CN103993972A - Starting cylinder of piston reciprocating internal combustion engine and air exhausting device of starting cylinder of piston reciprocating internal combustion engine - Google Patents
Starting cylinder of piston reciprocating internal combustion engine and air exhausting device of starting cylinder of piston reciprocating internal combustion engine Download PDFInfo
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- CN103993972A CN103993972A CN201410208643.5A CN201410208643A CN103993972A CN 103993972 A CN103993972 A CN 103993972A CN 201410208643 A CN201410208643 A CN 201410208643A CN 103993972 A CN103993972 A CN 103993972A
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- internal combustion
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002360 explosive Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007600 charging Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a starting cylinder of a piston reciprocating internal combustion engine and an air exhausting device of the starting cylinder of the piston reciprocating internal combustion engine. The starting cylinder and the air exhausting device are mainly characterized in that the mode that an air exhausting opening is formed in a starting cylinder cover plate, namely an engine cover plate, of an existing four-stroke or two-stroke direct current scavenging engine and connected with an air exhausting channel is changed into the mode that the air exhausting opening is formed in the side of a starting cylinder body and connected with the air exhausting channel, and meanwhile a mushroom-shaped vent valve is changed into a gate vent valve; in this way, the problem that a working mechanism must be arranged on the engine cover plate or multiple working parts are difficult to arrange is solved, damage, caused by air exhausting heat loads, to the engine cover plate and the arrangement on the engine cover plate is avoided, and indispensable conditions are particularly created for multiple overhead working systems and an overhead comprehensive regulating and control system which are invented in the ZL200710193939.4 invention with the publication patent number CN101205861B and a novel piston reciprocating internal combustion engine invented in the ZL200710193938.X invention with the publication patent number CN151289956B, wherein according to a pressurizing mechanism combination of the novel piston reciprocating internal combustion engine, energy is greatly saved, stains are greatly removed, and the specific weight of the engine is greatly reduced.
Description
Technical field
The invention belongs to reciprocating piston internal combustion engine field, be specifically related to a kind of setting of starting cylinder and exhaust thereof of reciprocating piston internal combustion engine.
Background technique
Existing conventional explosive motor (connecting rod piston reciprocating explosive motor), due to the selection of layout and the scavenging mode of operation mechanism in motor overall structure, four stroke engine and two-stroke uniflow engine start the relief opening of cylinder, closely cooperate and realize the work that opens and closes relief opening with poppet valve, the connection of relief opening and outlet pipe, be arranged on the head cover plate of motor, take the position on engine hood panel, also caused bonnet plate to be subject to serious heat load puzzlement simultaneously.Two-stroke cross flow scavenging is located at the relief opening that starts cylinder the rear that starts cylinder, but scavenge effect is poor, and the heat load of relief opening is serious, starts the exhaust work in cylinder can not realize regulation and control, therefore only on minority mini engine, applies.
In patent of invention ZL200710193939.4 (notification number CN101205861B, title " combined mechanism and the regulator control system of a kind of tappet and this tappet "), invent a kind of " the overhead fuel pump spray system " that can save the work component such as timing gear, cam mechanism, fuel pump, high-pressure oil pipe, return tube, simultaneously, according to the technical characteristics of new invention fuel pump spray system, working principle and the good effect of obtaining, invent a kind of " overhead secondary starts in-cylinder water injection cooling system " of energy-saving dirt-removing significantly, a kind of " overhead vent systems " that can accurately regulate and control to start cylinder exhaust work, " air amount amount (being air supply) overhead regulator control system in pressurized cylinder ", " cold pump spray system in supercharging in-cylinder water injection ", and the regulation and control of above-mentioned work system are united, by speed regulator instruction, synchronize them with the variation of engine operating condition, in arbitrary work cycle of arbitrary operating mode, the overhead comprehensive regulation system of working under the running parameter of oneself in this arbitrary same work cycle of each leisure.The work system of foregoing invention and comprehensive regulation system are all organically arranged on the head cover plate of motor compactly.
Patent of invention ZL200710193938.X (notification number CN151289956B, title " a kind of booster body of reciprocating piston internal combustion engine ") in, invent the reciprocal booster body of a kind of engine block inner carrier, this booster body can be eliminated existing turbosupercharging mode transient response and lag behind, be difficult to realize super high pressure-chargings more than pressure ratio >=5 and be difficult to defect and the deficiency on mini engine (particularly single twin cylinder engine) and petrol engine, applied, simultaneously the upper pressurized air of booster body holds gas passage and can encircle and start cylinder afterbody intake grill section, and the cylinder seat of cylinder is started in formation.
In sum, existing structure and exhaust setting of starting cylinder, in the motor forming in the invention adopting in foregoing invention patent, not only difficult arrangement, also can cause the operation mechanism and the comprehensive regulation system that on bonnet plate, arrange to be subject to serious heat load harm, can not coordinate with " overhead vent systems " and " booster body " in described patent of invention, hinder the integrally-built layout of the new work engine being formed by above-mentioned patented invention, hinder the invention of making in foregoing invention patent and formed a kind of novel significantly energy-saving dirt-removing, significantly reduce the explosive motor of engine specific weight.
Summary of the invention
In order to overcome existing defect and deficiency of starting cylinder and exhaust to be arranged on and to apply in the motor that above-mentioned patented invention forms, a kind of novel reciprocating piston internal combustion engine of special invention start cylinder and this setting of starting relief opening, outlet valve and the outlet pipe of cylinder.
Neoteric a kind of reciprocating piston internal combustion engine start cylinder, comprise cylinder body, cylinder body cover plate, boss, boss socket, relief opening, intake grill, it is characterized in that: starting cylinder cap plate is an overall structure with starting cylinder body, described boss is done on start cylinder cap plate, with cover plate be an entirety, above boss, vertically down, make boss socket, relief opening is done below starting cylinder cap plate inwall, and intake grill is done starting cylinder body rear part.
The socket of making on described boss, this socket outside is a breach, the line of breach with start the periphery of cylinder body casing wall tangent, crossing the vertical line of making at point of contact is the center lines in the middle of boss socket both sides; The inner edge of socket is an arc, the arc of this arc and cylinder body casing wall inwall disc concentric, and radius is identical; The line of socket outside breach is parallel with the string of inner edge arc arc, and the end points at the two ends, left and right of described breach line and two ends, described string left and right is coupled together respectively accordingly, forms one trapezoidally, and these trapezoidal both sides are the right and left of boss socket.
The arc that starts arc following on cylinder relief opening internal orifice and boss socket inner edge for etc. arc, and overlap, the cambered surface of the cambered surface of relief opening inner edge mouth and boss socket inner edge overlaps; The base of relief opening, is inclined upwardly outward by interior, and the outer edge on base overlaps with the line of boss socket outside breach, and the vertical surface of relief opening collar extension vertical surface and boss socket outside breach coincides; The top of relief opening communicates with boss socket, the dual-side of relief opening overlaps respectively as holistic side with the dual-side of boss socket, thus, the space of boss socket and the space of relief opening are formed as an overall space, boss socket extends to the base of relief opening, and the base of relief opening is the base of boss socket.
Start cylinder body afterbody to start cylinder intake grill section, the cylinder bottom seat that starts that holds gas passage formation with pressurized air on the reciprocating piston internal combustion engine pressure-increasing machine of inventing in patent of invention " ZL200710193938.X " closely cooperates, and the height of its intake grill is identical with the height that described upper pressurized air holds gas channel lumen.
Start cylinder cylinder body side to make screw bolt seat, described in start the side of cylinder bottom seat to make corresponding screw seat, screw rod is inserted to screw bolt seat bar hole, start described in screw-in, in the screw of the corresponding screw seat that cylinder bottom seat side makes, will start cylinder to be fastened on and start on cylinder bottom seat.
Starting cylinder outlet valve is that an entirety forms by flashboard, valve cover, three parts of valve handle; The shape of flashboard, the spatial form that is formed an overall space by the space of boss socket and the space of relief opening is made; In the time that flashboard cuts out relief opening, the spring stack being stretched out by valve cover the right and left and the corresponding pulling force that starts draught spring between cylinder seat side spring seat, part cambered surface and boss socket inner edge cambered surface on flashboard inner edge are fitted tightly, part cambered surface under flashboard inner edge, accurately fill up the internal orifice of relief opening, make to start cylinder exhaust ports internal face to become a complete columniform internal face; Meanwhile, below the dual-side of flashboard dual-side and boss socket dual-side and relief opening, flashboard base and relief opening base, valve cover, the part except flashboard takies fits tightly with the part except making socket above boss; Above valve cover, the top of valve handle organically connects with a kind of overhead vent systems of invention in patent of invention " ZL200710193940.7 ".
The described outlet pipe that starts cylinder is screwed after starting on cylinder body, the one side equal with outlet pipe inlet face of outlet pipe import top extension, with the outside laminating of described boss, form the one side of boss socket outside breach, make boss socket become a socket that four limits are complete.
Good effect
" a kind of reciprocating piston internal combustion engine start cylinder and exhaust setting thereof " of foregoing invention, has following advantage and good effect:
1, have advantages of and existingly start in cylinder uniflow scavenging effective.
2, start the switching of cylinder relief opening, have advantages of that existing exhaust close is tight, reliable operation, frictional force are little, wearing and tearing less, the life-span is long.
3, with respect to prior art, outlet valve good heat dissipation, is convenient to eliminate the harm of heat load, is convenient to assembling, detects, changes and maintenance.
4, abdicated position valuable on bonnet plate, make groundwork mechanism and the comprehensive regulation system of the multinomial overhead work system of invention in patent of invention " ZL200710193940.7 ", be arranged on compactly on the head cover plate of motor, avoided starting the heat load of exhaust in cylinder to work the mischief to engine hood panel and the setting above cover plate simultaneously.
5, the cylinder bottom seat that starts that holds gas passage formation on the booster body that starts to invent in cylinder afterbody suction port section and patent of invention " ZL200710193938.X " closely cooperates, the valve handle top of outlet valve organically coordinates with the overhead vent systems of invention in patent of invention " ZL200710193940.7 ", thus, make the good effect of two described inventions successfully be realized and bring into play.
In sum, a kind of reciprocating piston internal combustion engine of the present application start cylinder and exhaust setting thereof, for the invention in above-mentioned two patent of invention is combined, form a kind of significantly energy-saving dirt-removing, significantly reduce the novel piston reciprocating I. C. engine of engine specific weight, created indispensable condition.
Brief description of the drawings
Fig. 1: start cylinder plan view; Fig. 2: start in cylinder afterbody intake grill section and patent of invention " ZL200710193938.X " pressurized air on booster body to hold the cylinder seat that starts that gas passage forms and coordinate figure; Fig. 3: start cylinder top; Fig. 4: start cylinder outlet valve flashboard part and outlet pipe to connect sectional view; Fig. 5: start cylinder relief opening and outlet valve front view; Fig. 6: outlet valve flashboard cross-sectional view; Fig. 7: relief opening cross-sectional view.
Embodiment
As Fig. 1,3,4,5 illustrates: start cylinder upper end cover plate [5] and to start cylinder body [3] be an overall structure,, boss [6] is done on cover plate [5], with cover plate [5] be an entirety, on boss [6], make socket [7]; Fig. 1 also illustrates, start cylinder relief opening [4] to do below starting cylinder cap plate [5] internal face, suction port [2] is done starting cylinder body afterbody, illustrate in conjunction with Fig. 2, start cylinder body afterbody intake grill section, the cylinder bottom seat [1] that starts that holds the formation of gas passage with pressurized air on booster body in patent of invention " ZL200710193938.X " closely cooperates, and the height that starts the height of cylinder suction port to hold gas passage with compression is identical; Fig. 2 also illustrates, after starting cylinder to start on cylinder seat described in being assemblied in, can be to starting the air inlet of cylinder to form powerful turbine, and contribute to optimize the burning work of starting in cylinder.
As Fig. 3, Fig. 4 illustrate: as described in the outside of boss [6], tangent with cylinder body [3] outer wall circle; Fig. 1 and Fig. 3 combine and illustrate: the vertical line at boss outside and the tangent point of contact of cylinder body cylindrical is the center line in the middle of boss [6] and socket [7] the right and left.
As Fig. 3 illustrates: the arc of boss socket [7] inner edge arc and cylinder body [3] internal face circle concentric, and radius is identical; Boss socket [7] outside is a breach, and the line of breach is parallel to the string of socket inner edge arc, and the two ends, left and right of the two ends, left and right of string and breach line are coupled together, and forms one trapezoidally, and the right and left that this is trapezoidal, is the right and left of boss socket.
As combining, Fig. 1,3,5,7 illustrates: following arc on relief opening internal orifice,, and vertically overlap for waiting arc with the arc of boss socket inner edge, and the shape of relief opening top and bottom cross section is identical with the shape of boss socket cross section.
As Fig. 3 and Fig. 4 illustrate: outlet pipe [8] is screwed and is starting cylinder relief opening both sides and below on flat position of stretching out, the one side that exhaust pipe mouth top extension is equal with outlet pipe import cross section, with the laminating of boss socket [7] outside, form the one side of boss socket outside breach, make boss socket form a socket that four limits are complete.
As Fig. 5 illustrates: start the upper part of cylinder body [3] to make screw bolt seat [11], screw rod [9] inserts screw bolt seat screw, down screw in and start in corresponding screw that cylinder bottom seat [1] side makes (starting to omit and do not draw in screw figure that cylinder bottom seat [1] is corresponding), will start cylinder body [3] to be fastened on and start on cylinder seat [1].
As Fig. 5 illustrates: draught spring post is stretched out in outlet valve cover plate [14] left and right two; Connect draught spring post and the draught spring [12] that starts cylinder seat side draw spring seat (not shown in FIG.), coordinate with the overhead vent systems of invention in patent of invention " ZL200710193940.7 ", the exhaust work in cylinder is started in operation.
As combining, Fig. 1,3,4,5,6,7 illustrates: boss socket cross section is identical with relief opening shape of cross section, and surrounding corresponding vertical perforation mutually, outlet valve flashboard, the shape of the overall space forming according to boss socket space and relief opening space is made; Also illustrate: in the time that the pulling force of draught spring [12] makes outlet valve by exhaust close, outlet valve flashboard has been filled the overall space of boss socket and relief opening formation closely simultaneously.Starting cylinder exhaust ports inwall is a complete cylindrical wall.Outlet valve flashboard surrounding and base, surrounding and the base of the overall space forming with socket space and relief opening space, laminating closely; Below outlet valve cover plate except make other positions of flashboard and above boss the position of other except making socket fit closely, will start the working medium in cylinder to be closed in and to start in cylinder closely.
As Fig. 5 illustrates: as described in outlet valve valve handle top by post bolt and draught spring, be organically combined with " overhead vent systems " slotted link mechanism inner edge rocking arm of invention in patent of invention " ZL200710193940.7 ".
Claims (4)
- A reciprocating piston internal combustion engine start cylinder, comprise start cylinder body, start cylinder cap plate, boss, boss socket, relief opening, suction port, it is characterized in that: starting cylinder cap plate [5] is an overall structure with starting cylinder body [3], described boss [6] is done on start cylinder cap plate [5], with cover plate [5] be an entirety, boss [6] vertically down, is made boss socket [7] above, relief opening [4] is done below starting cylinder cap plate [5] inwall, and intake grill [2] is done starting cylinder body rear part.The socket [7] of making on described boss [6], this socket outside is a breach, the line of breach with start the periphery of cylinder body [3] casing wall tangent, crossing the vertical line of making at point of contact is the center lines in the middle of boss socket [7] both sides; The inner edge of socket is an arc, the arc of this arc and cylinder body casing wall inwall disc concentric, and radius is identical; The line of socket outside breach is parallel with the string of inner edge arc arc, and the end points at the two ends, left and right of described breach line and two ends, described string left and right is coupled together respectively accordingly, forms one trapezoidally, and these trapezoidal both sides are the right and left of boss socket [7].Described relief opening [4], following arc on internal orifice,, and overlaps for waiting arc with the arc of boss socket inner edge, and the cambered surface of the cambered surface of relief opening inner edge mouth and boss socket inner edge overlaps; The base of relief opening, is inclined upwardly outward by interior, and the outer edge on base overlaps with the line of boss socket [7] outside breach, and the vertical surface of relief opening [4] collar extension vertical surface and boss socket [7] outside breach coincides; The top of relief opening [4] communicates with boss socket [7], the dual-side of relief opening overlaps respectively as holistic side with the dual-side of boss socket, thus, the space of the space of boss socket [7] and relief opening [4] is formed as an overall space, boss socket extends to the base of relief opening, and the base of relief opening is the base of boss socket.Described cylinder body [3] afterbody that starts starts cylinder intake grill [2] section, the cylinder bottom seat that starts that holds gas passage formation with pressurized air on the reciprocating piston internal combustion engine booster body of inventing in patent of invention " ZL200710193938.X " closely cooperates, and the height of its intake grill is identical with the height that described upper pressurized air holds gas channel lumen.
- A kind of piston IC engine as claimed in claim 1 start cylinder, it is characterized in that: start cylinder cylinder body [3] side to make screw bolt seat [11], the described side that starts cylinder bottom seat is made corresponding screw seat, screw rod is inserted to screw bolt seat bar hole, described in screw-in, start, in the screw of the corresponding screw seat that cylinder bottom seat side makes, will start cylinder to be fastened on and start on cylinder bottom seat.
- 3. described in claim 1, reciprocating piston internal combustion engine starts the outlet valve of cylinder, it is characterized in that: outlet valve is that an entirety forms by flashboard [10], valve cover [13], [14] three parts of valve handle; The shape of flashboard [10], the spatial form that is formed an overall space by the space of boss socket [7] and the space of relief opening [4] is made; In the time that flashboard [10] cuts out relief opening [4], the spring stack being stretched out by valve cover [13] the right and left and the corresponding pulling force that starts draught spring [12] between cylinder seat side spring seat, part cambered surface and boss socket [7] inner edge cambered surface on flashboard [10] inner edge are fitted tightly, part cambered surface under flashboard [10] inner edge, accurately fill up the internal orifice of relief opening [4], make to start cylinder exhaust ports internal face to become a complete columniform internal face; Meanwhile, below the dual-side of flashboard [10] dual-side and boss socket [7] dual-side and relief opening [4], flashboard [10] base and relief opening base, valve cover [13] part except flashboard takies and boss [6] above the part except making socket [7] fit tightly; Valve cover [13] the above top of valve handle [14] organically connects with a kind of overhead vent systems of invention in patent of invention " ZL200710193940.7 ".
- 4. described in a claim 1, reciprocating piston internal combustion engine starts the outlet pipe of cylinder, it is characterized in that: described outlet pipe [8] is screwed and is starting cylinder body [3] upper right, the one side equal with outlet pipe [8] inlet face of outlet pipe [8] import top extension, outside laminating with described boss [6], the one side that forms boss socket [7] outside breach, makes boss socket [7] become a socket that four limits are complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208643.5A CN103993972B (en) | 2014-05-10 | 2014-05-10 | Starting cylinder of piston reciprocating internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208643.5A CN103993972B (en) | 2014-05-10 | 2014-05-10 | Starting cylinder of piston reciprocating internal combustion engine |
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| Publication Number | Publication Date |
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| CN103993972A true CN103993972A (en) | 2014-08-20 |
| CN103993972B CN103993972B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410208643.5A Expired - Fee Related CN103993972B (en) | 2014-05-10 | 2014-05-10 | Starting cylinder of piston reciprocating internal combustion engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715371A (en) * | 2015-03-11 | 2016-06-29 | 肖光宇 | Piston reciprocating type single cylinder internal combustion engine |
| CN105840304A (en) * | 2015-03-08 | 2016-08-10 | 肖光宇 | Single-cylinder high-speed internal combustion engine with reciprocating piston |
| CN106050411A (en) * | 2015-03-11 | 2016-10-26 | 肖光宇 | Piston reciprocating type single-cylinder low-speed internal combustion engine |
| CN106761993A (en) * | 2016-12-02 | 2017-05-31 | 肖光宇 | Reciprocating piston internal combustion engine starts cylinder exhaust valve opening mechanism |
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|---|---|---|---|---|
| EP0611883A1 (en) * | 1993-02-19 | 1994-08-24 | Yamaha Hatsudoki Kabushiki Kaisha | Internal combustion engine |
| US20030217711A1 (en) * | 2002-05-24 | 2003-11-27 | Andreas Stihl Ag & Co. Kg | Two-cycle engine having scavenging |
| CN101205861A (en) * | 2007-11-24 | 2008-06-25 | 肖光宇 | Tappet rod as well as combined mechanism and control system thereof |
| CN101289956A (en) * | 2007-11-24 | 2008-10-22 | 肖光宇 | Piston reciprocating internal-combustion engine working substance flow system and its device |
| CN101881216A (en) * | 2010-07-02 | 2010-11-10 | 北京中清能发动机技术有限公司 | Single cylinder two-stroke internal-combustion engine with crank circular slide block |
-
2014
- 2014-05-10 CN CN201410208643.5A patent/CN103993972B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0611883A1 (en) * | 1993-02-19 | 1994-08-24 | Yamaha Hatsudoki Kabushiki Kaisha | Internal combustion engine |
| US20030217711A1 (en) * | 2002-05-24 | 2003-11-27 | Andreas Stihl Ag & Co. Kg | Two-cycle engine having scavenging |
| CN101205861A (en) * | 2007-11-24 | 2008-06-25 | 肖光宇 | Tappet rod as well as combined mechanism and control system thereof |
| CN101289956A (en) * | 2007-11-24 | 2008-10-22 | 肖光宇 | Piston reciprocating internal-combustion engine working substance flow system and its device |
| CN101881216A (en) * | 2010-07-02 | 2010-11-10 | 北京中清能发动机技术有限公司 | Single cylinder two-stroke internal-combustion engine with crank circular slide block |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840304A (en) * | 2015-03-08 | 2016-08-10 | 肖光宇 | Single-cylinder high-speed internal combustion engine with reciprocating piston |
| CN105840304B (en) * | 2015-03-08 | 2018-11-30 | 肖光宇 | A kind of piston reciprocating type single cylinder high speed internal combustion engine |
| CN105715371A (en) * | 2015-03-11 | 2016-06-29 | 肖光宇 | Piston reciprocating type single cylinder internal combustion engine |
| CN106050411A (en) * | 2015-03-11 | 2016-10-26 | 肖光宇 | Piston reciprocating type single-cylinder low-speed internal combustion engine |
| CN105715371B (en) * | 2015-03-11 | 2018-11-16 | 肖光宇 | A kind of piston reciprocating type single cylinder internal combustion engine |
| CN106050411B (en) * | 2015-03-11 | 2018-11-30 | 肖光宇 | A kind of piston reciprocating type single cylinder low speed internal combustion engine |
| CN106761993A (en) * | 2016-12-02 | 2017-05-31 | 肖光宇 | Reciprocating piston internal combustion engine starts cylinder exhaust valve opening mechanism |
| CN106761993B (en) * | 2016-12-02 | 2018-12-28 | 肖光宇 | Reciprocating piston internal combustion engine starts cylinder exhaust valve opening mechanism |
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| Publication number | Publication date |
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| CN103993972B (en) | 2017-02-15 |
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