CN1558097A - Single-crankshaft opposite vertex piston internal combustion engine with double-barrel working simultaneously - Google Patents
Single-crankshaft opposite vertex piston internal combustion engine with double-barrel working simultaneously Download PDFInfo
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- CN1558097A CN1558097A CNA2004100121430A CN200410012143A CN1558097A CN 1558097 A CN1558097 A CN 1558097A CN A2004100121430 A CNA2004100121430 A CN A2004100121430A CN 200410012143 A CN200410012143 A CN 200410012143A CN 1558097 A CN1558097 A CN 1558097A
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Abstract
The internal combustion engine has piston-cylinder assembly, link and crankshaft. The crankshaft is single one; the piston-cylinder assembly has parallel configured piston-cylinders, each pair of which has work doing pistons connected together via transverse rod and guided and limited via one reciprocating work mechanism. The transverse rods are hinged to link rods separately, and the link rods are hinged also to the link rod shaft of the crankshaft. The internal combustion engine of the present invention has simple structure, reliable work, reduced piston side force, less wear, lowered vibration, raised mechanical efficiency and torque, and low manufacture cost.
Description
Technical field
The present invention relates to a kind of piston reciprocating internal combustion engine.
Background technique
The thermal efficiency of existing internal-combustion engine is very low, have only about 30-50%, the thermal efficiency that is used to improve internal-combustion engine at present adopts a lot to pushing up piston-engined technology, the reported in literature of relevant this technical elements is also more, for example CN86108669A discloses a kind of multicylinder conjugate diesel engine with capless double-piston cylinders, a kind of at least four cylinders of this invention design are arranged in parallel, two heterodromous each other pistons are housed in each cylinder, advance, exhaust valve is installed on the two-piston respectively, in each cylinder, surround the firing chamber by cylinder liner and two pistons, each piston of cylinder two ends homonymy is by the fixedly connected tranverse connecting rod of piston rod, the two-end part of tranverse connecting rod is positioned in the guide rail, and power take-off mechanism and the distribution device that transmits piston motion arranged.This invention can symmetry utilize the combustion gas expansive force, to combustion condition with eliminate piston there has been certain improvement the side pressure aspect of working cylinder.And for example CN2236548Y discloses a kind of internal-combustion piston engine (bidirectional piston formula motor), it includes cylinder, spark plug, piston, connecting rod, bent axle and crankcase, and cylinder head cancelled, at the two ends of cylinder one cover piston and crankshaft ﹠ connecting is set respectively, spark plug is arranged on the cylinder body place, middle part of cylinder.Also disclose a kind of to top formula motor as CN1083174A, by a housing, in adorn two exhaust valves of two intake valves of a cylinder sleeve, an oil nozzle, a spark plug, all be contained in the intermediate portion of cylinder sleeve, when opening, inlet and exhaust valve can not exceed inboard wall of cylinder liner, oil nozzle and spark plug can not be given prominence to inboard wall of cylinder liner, in two pistons are packed same cylinder sleeve into from the two ends of cylinder sleeve respectively, two piston heads are mutually opposed, and stroke is identical, and two pistons are connected on two bent axles at housing two ends by two slave connecting rods, the same end of two bent axles is being adorned two flywheels that size is same, connected by a control wheel in the middle of two flywheels, the control wheel mainly is being synchronized with the movement of two flywheels of control, concentrates the power by two flywheel outputs.CN2368981Y discloses a kind of to the top type piston internal-combustion engine for another example, piston in its cylinder body is mutually for two one group and is oppositely installed, the top of two-piston is the firing chamber, side wall of combustion chamber is provided with intake valve, exhaust valve, connect left bent axle, right bent axle, left crankshaft end in the outer end of piston rod respectively and connect left flywheel, right crankshaft end connects right flywheel.Left and right flywheel while and the main driving wheel engagement that is arranged on the centre.Be a α angle between the cylinder body of two pairs of top pistons, this α angle is 180 ° 〉=α＞90 °.Because piston is oppositely installed, the firing chamber simultaneously to the two-piston work done, can be improved the useful horsepower of internal-combustion engine at the middle part of two piston tip.A kind of new work engine is disclosed for another CN2310862Y, form by a cylinder, two pistons, two connecting rods, two bent axles, intake and exhaust mechanism and spark plugs, each connecting rod connects with a piston by wrist pin and connects with a bent axle, two piston head install in the cylinder the top, intake and exhaust mechanism is located on the cylinder wall, spark plug installs on the outer wall of cylinder middle part, is connected with between two bent axles to make piston arrive the synchromesh gear driving mechanism of upper and lower stop simultaneously.It can make two pistons that install in the cylinder drive two crankshaft rotating, and makes the chamber structure compactness.
Above-mentioned these be that overall structure is complicated to its drawback of top piston IC engine, engine vibration is big and bring noise pollution; And the two or more bent axles of the employing that has, needing increases the transmission device that bent axle rotates synchronously, and its structure is more complicated.
Summary of the invention
The purpose of this invention is to provide a kind of twin-tub work done simultaneously single axle to the top piston IC engine, technical problem to be solved is to make the structure of top piston IC engine is further simplified, reliable operation, and reduce the wearing and tearing of piston lateral force and crankshaft main journal, reduce vibrations, improve the mechanical efficiency of internal-combustion engine, reduce its manufacture cost.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of twin-tub work done simultaneously single axle is to the top piston IC engine, has piston bore configuration group, connecting rod, bent axle, described piston bore configuration group has cylinder barrel, a pair of work doing pistons in cylinder barrel is oppositely installed, have exhaust port or exhaust valve on the cylinder barrel, with exhaust port and the inlet hole of depositing or with exhaust valve and the intake valve deposited, its technological scheme is that described bent axle is the single axle, the piston bore configuration is formed being provided with and having a pair of at least, two piston bore configuration groups of every centering are parallel to each other, carry out work done when laying respectively at the cylinder barrel homonymy in every pair of piston bore configuration group, exhaust, air-breathing, two work doing pistons of compression, it is connected as a single entity by a cross bar from the external part that cylinder barrel stretches out, each cross bar in two cross bars of every pair of piston bore configuration group usefulness and an end of several connecting rods are hinged, and the other end of these several connecting rods is hinged with the rod journal of bent axle respectively; Lay respectively at two work doing pistons that are connected as a single entity of cylinder barrel homonymy and cross bar in the every pair of piston bore configuration group by guaranteeing that it is along the reciprocal operation mechanism's guide and limit of operation of work doing pistons axial direction.
In the technique scheme, described operation mechanism can comprise the hole of being located at the cross bar center portion, pass the fixed guide bar that this hole makes two work doing pistons being connected as a single entity and cross bar play the guide and limit effect along its slip, and fixed guide bar is located on the internal combustion (IC) engine airframe.Above-mentioned operation mechanism can also comprise and is located at cross bar center portion and the mobile piston that is connected as a single entity with it, cooperates with this mobile piston work doing pistons and cross bar play the guiding role and guarantee that it is along the reciprocal guiding cylinder barrel that moves of work doing pistons axial direction.Above-mentioned guiding cylinder barrel has roof, mobile piston constitutes seal chamber with the roof of guiding cylinder barrel and the madial wall of guiding cylinder barrel, be installed with breather cheek valve and one-way exhaust valve on the roof of guiding cylinder barrel, one-way exhaust valve is connected with inlet hole or intake valve on the cylinder barrel by air pipe.The rod journal of corresponding its hinged respectively bent axle of several connecting rods that connects of each cross bar in above-mentioned every pair of piston bore configuration group be arranged on the crank throw or several independently and on the crank throw of the axis conllinear of rod journal, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 150 °～180 °.The angle on two planes that the axis of the rod journal that above-mentioned two cross bars are corresponding respectively forms with the axis of the main journal of bent axle respectively is 180 °, the axis of the rod journal of its these bent axles that connect respectively of several connecting rods of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle realizing that perpendicular to being projected as in these axis planes work doing pistons in every pair of piston bore configuration group arrives solstics, closest approach and three points of conllinear simultaneously, and these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.The quantity of corresponding several connecting rods that connect of each cross bar in above-mentioned every pair of piston bore configuration group is one, the rod journal of the bent axle that this connecting rod connects is a rod journal on the crank throw, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, the axis of the rod journal of two its bent axles that connect respectively of connecting rod of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.The quantity of corresponding several connecting rods that connect of each cross bar in above-mentioned every pair of piston bore configuration group is two, the rod journal of these two its bent axles that connect respectively of connecting rod is arranged in two independently and on the crank throw of the axis conllinear of rod journal, corresponding two connecting rods that connect of one of them cross bar hinged bent axle two rod journals corresponding two connecting rods in addition that connect of another cross bar between two rod journals in addition of hinged bent axle, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, it is the axis of four rod journals of corresponding four its bent axles that connect respectively of connecting rod that connect of two cross bars in every pair of piston bore configuration group, and the axis of the main journal of bent axle arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.Above-mentioned piston bore configuration group can become 2 pairs or become many to being provided with, and adjacent two connecting rods of adjacent two pairs of piston bore configuration groups can a shared rod journal.
The present invention is because described bent axle is the single axle, the piston bore configuration is formed being provided with and having a pair of at least, two piston bore configuration groups of every centering are parallel to each other, carry out two work doing pistons of work done, exhaust, air-breathing, compression when laying respectively at the cylinder barrel homonymy in the every pair of piston bore configuration group, it is connected as a single entity by a cross bar from the external part that cylinder barrel stretches out, each cross bar in two cross bars of every pair of piston bore configuration group usefulness and an end of several connecting rods are hinged, and the other end of these several connecting rods is hinged with the rod journal of bent axle respectively.Like this, it has saved existing to pushing up the transmission device that piston-engined bent axle rotates synchronously, and its structure obtains simplifying, and has reduced manufacture cost.And lay respectively at two work doing pistons that are connected as a single entity of cylinder barrel homonymy and cross bar in the every pair of piston bore configuration group by guaranteeing that it is along the reciprocal operation mechanism's guide and limit of operation of work doing pistons axial direction.Like this, it can guarantee two work doing pistons and cross bar reliable operation, thereby improves the reliability of its work, prevents two cylinder work done inequalities.The present invention is the work doing pistons serial verb construction in the single axle twin-tub, adopts single axle transferring power, efficiently solves the power transmission problem to the top piston IC engine, makes the design of top piston IC engine more perfectly, reasonable, has also alleviated internal-combustion engine weight.On the basis of the thermal efficiency that improves internal-combustion engine, improve internal-combustion torque more than 80% more simultaneously; Reduced the wearing and tearing of the main journal of piston lateral force and bent axle, and simple in structure.This kind structure helps engine blockization.Two of homonymy work doing pistons are one group in every pack module, work done, exhaust, air-breathing, compression are promptly finished in motion simultaneously simultaneously, and the power acting in conjunction of two work doing pistons is on connecting rod, the power of both sides connecting rod acts on the bent axle again simultaneously, makes bent axle stress balance all the time.So promptly eliminated the interference problem of hyperbolic axle, it is stressed to have reduced crankshaft main journal again, has also increased Engine torque, and piston is subjected to lateral force less simultaneously.Moreover two work doing pistons and a cross bar of laying respectively at the cylinder barrel homonymy in the every pair of piston bore configuration group are symplex structure, have therefore reduced vibrations, and it has optimized existing structure to the top piston IC engine, have improved the mechanical efficiency of internal-combustion engine.Because of structure symmetry fully, can increase and decrease piston bore configuration group logarithm easily, simultaneously because cylinder barrel is stressed very little, can use material such as aluminum alloy to make it weight saving, contrast is existing to have reduced by 40～60% with its manufacture cost of constant power internal-combustion engine.
Simultaneously, the present invention can carry scavenging pump (for for the two stroke internal-combustion engine) or air boost pump (for the internal-combustion engine that four-stroke needs air pressurized), the operation mechanism that to play the guide and limit effect as the present invention is designed to mobile piston and the cooperating structure of the cylinder barrel that leads, the guiding cylinder barrel has roof, mobile piston constitutes seal chamber with the roof of guiding cylinder barrel and the madial wall of guiding cylinder barrel, be installed with breather cheek valve and one-way exhaust valve on the roof of guiding cylinder barrel, one-way exhaust valve is connected with inlet hole or intake valve on the cylinder barrel by air pipe.Like this, the present invention will play the operation mechanism of guide and limit effect and scavenging pump or air boost pump and be designed to integral structure, make more reasonable structure to the top piston IC engine, simpler.For example, use working pump uniflow scavenging two-stroke structure when the present invention is designed to two-stroke, overcome the low disadvantage of loop scavenging two-stroke structure scavenging efficiency, help environmental protection.
In sum, the structure to top piston IC engine (two-stroke or four-cycle diesel engine, petrol engine) of the present invention has obtained further simplification, and its thermal efficiency significantly improves, and because of its dispersed heat reduces, it is fully available air-cooled.
Description of drawings
Fig. 1 is a pair of structural representation that top work doing pistons mediated of first embodiment of the invention (two-stroke diesel engine or petrol engine, band scavenging pump structure) in cylinder barrel.
Fig. 2 is a pair of structural representation that top work doing pistons be in closest approach (top dead center) position of first embodiment of the invention in cylinder barrel.
Fig. 3 is a pair of structural representation that top work doing pistons be in solstics (lower dead center) position of first embodiment of the invention in cylinder barrel.
Fig. 4 the connecting rod that connects by a pair of in the first embodiment of the invention or any pair of pistons cylinder barrel configuration group of correspondence and the connection diagram of bent axle.
Fig. 5 by two pairs or any two pairs of piston bore configuration groups in the first embodiment of the invention the connecting rod that connects of correspondence and the connection diagram of bent axle.
Fig. 6 is a pair of structural representation that top work doing pistons be in solstics (lower dead center) position of second embodiment of the invention (four-cycle diesel engine or petrol engine, band supercharging air pump structure) in cylinder barrel.
Fig. 7 is the third embodiment of the invention structural representation of (two-stroke diesel engine or petrol engine are joined scavenging pump outward).
Fig. 8 is the four embodiment of the invention structural representation of (four-cycle diesel engine or petrol engine do not need air pressurized, no supercharging air pump structure).
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, first embodiment of the present invention is two-stroke diesel engine or petrol engine.It has piston bore configuration group A, several connecting rods 9, bent axle 11.Described piston bore configuration group A has cylinder barrel 1, a pair of work doing pistons 3 in cylinder barrel of being oppositely installed, and has exhaust port 2 and inlet hole 13 on the cylinder barrel.Described bent axle 11 is the single axle, piston bore configuration group A be arranged in parallel in pairs (axis that is cylinder barrel is parallel to each other).Piston bore configuration group can become 1 pair or become 2 pairs or become many to being provided with, each between not necessarily be parallel to each other, can be made as different amount (only providing 1 pair among the figure) according to the position needs.Each is big or small identical to piston bore configuration group, and promptly its cylinder barrel, work doing pistons is big or small identical.Each to piston bore configuration group the corresponding cross bar that connects, connecting rod phasing not of uniform size with.Carry out two work doing pistons 3 of work done, exhaust, air-breathing, compression when laying respectively at cylinder barrel 1 homonymy among the every couple of piston bore configuration group A, its external part that stretches out from cylinder barrel (or piston rod) is connected as a single entity by a cross bar 12.Each cross bar 12 in two cross bars that the every couple of piston bore configuration group A uses is hinged with an end of several connecting rods 9, and the other end of these several connecting rods 9 is hinged with the rod journal 10 of bent axle 11 respectively.Lay respectively at two work doing pistons 3 that are connected as a single entity of cylinder barrel 1 homonymy and cross bar 12 among the every couple of piston bore configuration group A by guaranteeing that it is along the reciprocal operation mechanism's guide and limit of operation of work doing pistons axial direction.Operation mechanism comprises and is located at cross bar 12 center portions and the mobile piston 4 that is connected as a single entity with it, cooperates with this mobile piston work doing pistons and cross bar play the guiding role and guarantee that it is along the reciprocal guiding cylinder barrel 5 that moves of work doing pistons axial direction.Guiding cylinder barrel 5 has roof, mobile piston constitutes seal chamber with the roof of guiding cylinder barrel and the madial wall of guiding cylinder barrel, be installed with breather cheek valve 6 and one-way exhaust valve 7 on the roof of guiding cylinder barrel 5, one-way exhaust valve 7 is connected with inlet hole 13 on the cylinder barrel by air pipe 8, this structure forms a scavenging pump, and scavenging pump also can be joined in addition certainly.Work doing pistons 3 can be unequal with the size of mobile piston 4.The rod journal 10 of corresponding several connecting rod 9 its hinged respectively bent axles that connect of each cross bar among above-mentioned every couple of piston bore configuration group A be arranged on the crank throw or several independently and on the crank throw of the axis conllinear of rod journal, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 150 °～180 ° (for example can be 150 °, 160 °, 165 °, 170 °, 175 °, 178 °, 180 °).
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the angle on two planes that the axis of the rod journal 10 that two cross bars among above-mentioned every couple of piston bore configuration group A are corresponding respectively forms with the axis of the main journal of bent axle 11 respectively is 180 °, the axis of the rod journal 10 of its these bent axles that connect respectively of several connecting rods of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle 11 arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in these axis planes, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.The quantity of corresponding several connecting rods 9 that connect of each cross bar among above-mentioned every couple of piston bore configuration group A is one, the rod journal 10 of the bent axle that this connecting rod connects is a rod journal on the crank throw, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, the axis of the rod journal 10 of two its bent axles that connect respectively of connecting rod of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle 11 arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.The quantity of corresponding several connecting rods 9 that connect of each cross bar among above-mentioned every couple of piston bore configuration group A is two, the rod journal 10 of these two connecting rod 9 its bent axles that connect respectively is arranged in two independently and on the crank throw of the axis conllinear of rod journal, corresponding two connecting rods that connect of one of them cross bar hinged bent axle two rod journals can corresponding two connecting rods in addition that connect of another cross bar between two rod journals in addition of hinged bent axle, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, it is the axis of four rod journals 10 of corresponding four connecting rod 9 its bent axles that connect respectively that connect of two cross bars in every pair of piston bore configuration group, and the axis of the main journal of bent axle 11 arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.The configuration of pair of pistons cylinder barrel organize pairing rod journal and another to piston bore configuration organize its relative position of pairing rod journal and do not have positive connection, when the angle on two planes that the axis of the corresponding respectively rod journal of two cross bars in every pair of piston bore configuration group forms with the axis of the main journal of bent axle respectively is 180 °, the configuration of pair of pistons cylinder barrel is organized the axis of main journal of the axis of pairing rod journal and bent axle perpendicular to the formed straight line of subpoint in these axis planes (being above-mentioned three point on a straight line), with another axis that the main journal of the axis of pairing rod journal and bent axle is organized in configuration to piston bore can be arbitrarily perpendicular to the two angle of the formed straight line of subpoint in these axis planes, as when 3 pairs of piston bore configuration compositions are provided with, this angle can be 120 °, for another example, when piston bore configuration is formed 2 pairs or become many when being provided with, adjacent two connecting rods of adjacent two pairs of piston bore configuration groups can a shared rod journal, as shown in Figure 5, it makes the more compact structure of internal-combustion engine, simply.
As shown in Figure 6, second embodiment of the present invention is four-cycle diesel engine or petrol engine.Have on different with first embodiment is its cylinder barrel exhaust valve 2 ', intake valve 13 ', one-way exhaust valve 7 is by the intake valve 13 on air pipe 8 and the cylinder barrel ' be connected.This structure forms an air boost pump, and air boost pump also can be joined in addition certainly.
As shown in Figure 7, the 3rd embodiment of the present invention is two-stroke diesel engine or petrol engine.Different with first embodiment is its scavenging pump is for to join outward.Above-mentioned operation mechanism of playing the guide and limit effect comprises the hole of being located at cross bar 12 center portions, pass the fixed guide bar 14 that this hole makes two work doing pistons 3 being connected as a single entity and cross bar 12 play the guide and limit effect along its slip, fixed guide bar 14 is located on the body of motor, on crankcase body.
As shown in Figure 8, the 4th embodiment of the present invention is four-cycle diesel engine or petrol engine.Different with second embodiment is that it does not need air pressurized, no supercharging air pump structure.Above-mentioned operation mechanism of playing the guide and limit effect comprises the hole (as the hole of circular hole, square opening or other form) of being located at cross bar 12 center portions, pass the fixed guide bar 14 that this hole makes two work doing pistons 3 being connected as a single entity and cross bar 12 play the guide and limit effect along its slip, fixed guide bar 14 is located on the body of motor, on crankcase body.
Among the above embodiment, inlet hole on the cylinder barrel or intake valve are connected with scavenging pump or air boost pump (being working pump) and are prior art.
Claims (10)
1, a kind of twin-tub work done simultaneously single axle is to the top piston IC engine, has piston bore configuration group, connecting rod, bent axle, described piston bore configuration group has cylinder barrel, a pair of work doing pistons in cylinder barrel is oppositely installed, have exhaust port or exhaust valve on the cylinder barrel, with exhaust port and the inlet hole of depositing or with exhaust valve and the intake valve deposited, it is characterized in that described bent axle (11) is the single axle, piston bore configuration group (A) is provided with in pairs and has a pair of at least, two piston bore configuration groups (A) of every centering are parallel to each other, carry out work done when laying respectively at cylinder barrel (1) homonymy in every pair of piston bore configuration group (A), exhaust, air-breathing, two work doing pistons (3) of compression, it is connected as a single entity by a cross bar (12) from the external part that cylinder barrel stretches out, each cross bar (12) in two cross bars of every pair of piston bore configuration group (A) usefulness is hinged with an end of several connecting rods (9), and the other end of these several connecting rods (9) is hinged with the rod journal (10) of bent axle (11) respectively; Lay respectively at two work doing pistons (3) that are connected as a single entity of cylinder barrel (1) homonymy and a cross bar (12) in every pair of piston bore configuration group (A) by guaranteeing that it is along the reciprocal operation mechanism's guide and limit of operation of work doing pistons axial direction.
2, internal-combustion engine according to claim 1, it is characterized in that above-mentioned operation mechanism can comprise the hole of being located at cross bar (12) center portion, pass the fixed guide bar (14) that this hole makes two work doing pistons (3) that are connected as a single entity and cross bar (12) play the guide and limit effect along its slip, fixed guide bar (14) is located on the body of internal-combustion engine.
3, internal-combustion engine according to claim 1 is characterized in that above-mentioned operation mechanism can also comprise to be located at cross bar (12) center portion and the mobile piston (4) that is connected as a single entity with it, to cooperate with this mobile piston work doing pistons and cross bar play the guiding role and guarantee that it is along the reciprocal guiding cylinder barrel (5) that moves of work doing pistons axial direction.
4, internal-combustion engine according to claim 3, it is characterized in that above-mentioned guiding cylinder barrel (5) has roof, mobile piston (4) constitutes seal chamber with the roof of guiding cylinder barrel and the madial wall of guiding cylinder barrel, be installed with breather cheek valve (6) and one-way exhaust valve (7) on the roof of guiding cylinder barrel (5), one-way exhaust valve (7) is connected with inlet hole (13) or intake valve (13 ') on the cylinder barrel by air pipe (8).
5, internal-combustion engine according to claim 1, the rod journal (10) that it is characterized in that corresponding its bent axle that connects respectively of several connecting rods (9) that connects of each cross bar in above-mentioned every pair of piston bore configuration group (A) be arranged on the crank throw or several independently and on the crank throw of the axis conllinear of rod journal, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 150 °～180 °.
6, internal-combustion engine according to claim 5, the angle on two planes that the axis that it is characterized in that the rod journal that two cross bars in above-mentioned every pair of piston bore configuration group (A) are corresponding respectively forms with the axis of the main journal of bent axle respectively is 180 °, the axis of the rod journal (10) of its these bent axles that connect respectively of several connecting rods (9) of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in these axis planes, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.
7, internal-combustion engine according to claim 5, the quantity that it is characterized in that corresponding several connecting rods (9) that connect of each cross bar in above-mentioned every pair of piston bore configuration group (A) is one, the rod journal (10) of the bent axle that this connecting rod connects is a rod journal on the crank throw, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, the axis of the rod journal (10) of two its bent axles that connect respectively of connecting rod of i.e. two cross bar correspondences connection, and the axis of the main journal of bent axle arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.
8, internal-combustion engine according to claim 5, the quantity that it is characterized in that corresponding several connecting rods (9) that connect of each cross bar in above-mentioned every pair of piston bore configuration group (A) is two, the rod journal (10) of this its bent axle that connects respectively of two connecting rods (9) is arranged in two independently and on the crank throw of the axis conllinear of rod journal, corresponding two connecting rods that connect of one of them cross bar hinged bent axle two rod journals corresponding two connecting rods in addition that connect of another cross bar between two rod journals in addition of hinged bent axle, two cross bars angle on two planes forming with the axis of the main journal of bent axle respectively of the axis of corresponding rod journal respectively are 180 °, it is the axis of four rod journals (10) of corresponding its bent axle that connects respectively of four connecting rods (9) that connects of two cross bars in every pair of piston bore configuration group, and the axis of the main journal of bent axle (11) arrives the solstics simultaneously perpendicular to the work doing pistons of realizing in every pair of piston bore configuration group that is projected as in the plane of these axis, closest approach and three points of conllinear, these three points are symmetry center with the subpoint of the axis of the main journal of bent axle.
9,, it is characterized in that above-mentioned piston bore configuration group (A) can become 2 pairs or become many to being provided with according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 described internal-combustion engines.
10, internal-combustion engine according to claim 9 is characterized in that adjacent two connecting rods of above-mentioned adjacent two pairs of piston bore configuration groups can a shared rod journal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012143 CN1280530C (en) | 2004-02-06 | 2004-02-06 | Single-crankshaft opposite vertex piston internal combustion engine with double-barrel working simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012143 CN1280530C (en) | 2004-02-06 | 2004-02-06 | Single-crankshaft opposite vertex piston internal combustion engine with double-barrel working simultaneously |
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| CN1558097A true CN1558097A (en) | 2004-12-29 |
| CN1280530C CN1280530C (en) | 2006-10-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828823A (en) * | 2011-09-01 | 2012-12-19 | 摩尔动力(北京)技术股份有限公司 | Double opposed piston engine |
| CN109372954A (en) * | 2018-11-03 | 2019-02-22 | 肖光宇 | Piston reciprocating engine calibration speed adjustment system |
| CN109469547A (en) * | 2018-12-24 | 2019-03-15 | 李�杰 | A kind of pancake engine of cylinder coaxial arrangement |
| CN113252352A (en) * | 2021-06-08 | 2021-08-13 | 北京理工大学 | Simulation device and simulation method for crankshaft system of small internal combustion engine |
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2004
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828823A (en) * | 2011-09-01 | 2012-12-19 | 摩尔动力(北京)技术股份有限公司 | Double opposed piston engine |
| CN109372954A (en) * | 2018-11-03 | 2019-02-22 | 肖光宇 | Piston reciprocating engine calibration speed adjustment system |
| CN109469547A (en) * | 2018-12-24 | 2019-03-15 | 李�杰 | A kind of pancake engine of cylinder coaxial arrangement |
| CN113252352A (en) * | 2021-06-08 | 2021-08-13 | 北京理工大学 | Simulation device and simulation method for crankshaft system of small internal combustion engine |
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| Publication number | Publication date |
|---|---|
| CN1280530C (en) | 2006-10-18 |
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