CN1873191B - Valve actuating device with machine valve gap adjustment - Google Patents
Valve actuating device with machine valve gap adjustment Download PDFInfo
- Publication number
- CN1873191B CN1873191B CN2006100877023A CN200610087702A CN1873191B CN 1873191 B CN1873191 B CN 1873191B CN 2006100877023 A CN2006100877023 A CN 2006100877023A CN 200610087702 A CN200610087702 A CN 200610087702A CN 1873191 B CN1873191 B CN 1873191B
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- CN
- China
- Prior art keywords
- valve
- ball
- gap
- cam
- valve mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 35
- 239000000314 lubricant Substances 0.000 claims description 18
- 230000002000 scavenging effect Effects 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 241000692569 Stylephorus chordatus Species 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000005273 aeration Methods 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/205—Adjusting or compensating clearance by means of shims or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
- F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
- F01L1/183—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft of the boat type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/185—Overhead end-pivot rocking arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L2001/188—Fulcrums at upper surface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a valve device (1) equipped with mechanical valve moderating component in cylinder cover (2) of combustion engine. The rod-like cam driven member (5) supports the supporting units (7a, 7b) installed in cylinder cover (2) space (6a, 6b) by way of gyroscopic motion, said cam driven member is installed between cam (3) and aeration valve (9) in order to control aeration valve,the place between dome space (14) of cam driven member and end (16) of spherical thrust bearing (15) formed by supporting component (7a, 7b) is equipped with ball (8). The ball (8) used as adjusting element (19) can be inserted between space (14) and spherical thrust bearing (15), and balls with different diameter are installed for valve space adjustment.
Description
Technical field
The present invention relates to a kind of valve mechanism that has the machinery valve gap adjustment part in the cylinder head of internal-combustion engine.This valve mechanism has shaft-like cam follower, it is arranged in order to handle scavenging air valve between the cam of camshaft and the scavenging air valve and is supported on the supporting element in the static gap that is installed in cylinder head in the mode of rotation motion, wherein between the end that constitutes spheric thrust bearing of the dome-shaped gap of cam follower and supporting element ball is installed.
Background technique
A kind of such valve mechanism is disclosed in JP 2000-161025 A.A kind of pull bar valve mechanism that has machinery valve gap adjustment part is provided there, wherein is provided with ball for pull bar being installed in the mode of rotation motion.This ball is installed in the spheric thrust bearing of supporting element, and this supporting element is replaced with suitable height with respect to another supporting element in the scope of adjustable valve clearance.Therefore not only provide enough a large amount of supporting element with enough little height ladder in the adjusting for the valve clearance between the erecting stage first time but also in the maintenance span at valve mechanism.But shortcoming is the processing charges of associated costliness, because support configuration is cylindrical and requires the retrofit of cost costliness for the precision that is implemented in circumference and distolateral diameter and height.
Summary of the invention
The present invention is based on such task, therefore promptly avoid described shortcoming and disclose a kind of valve mechanism with shaft-like cam follower and machinery valve gap adjustment part, this device not only can cost be made and the adjusting in the valve actuation gap that the permission price is favourable when valve mechanism keep in repair cheaply.
This task is so finished according to the present invention, and promptly the ball as the valve clearance regulating element is inserted between gap and the spheric thrust bearing replaceably, wherein regulates the ball that is provided with different-diameter for the valve clearance.Therefore can abandon as described with costliness and the manufacturing that cost is concentrated and the senior supporting element of preparation in the prior art.For assembling for the first time and regulating employing in the maintenance period valve clearance of valve mechanism and can cheaply make and have the ball that high shape, size and surface accuracy are made, as the part of known ball from the rolling bearing technology as high request and nothing wearing and tearing.
In another structure of the present invention, the dome-shaped gap of cam follower and/or the spheric thrust bearing of supporting element constitute the cone free end.The Contact Pair of ball constitute the limit case that the free-ended geometrical shape of cone should be seen so-called Gothic profile as.This Gothic profile to those skilled in the art be familiar with and guarantee that when ball is installed in its Contact Pair ball always is in effective compressing with Contact Pair and contacts with the line that does not have wearing and tearing.For this purpose as usually the dome-shaped gap that constitutes pull bar has a radius, and the central point of this radius is in the outside of the symmetry axis in dome-shaped gap.The cone free end that requires as the profile of the spheric thrust bearing of dome-shaped gap that is used for cam follower and/or supporting element occurs under the situation of (in theory) infinite radius.The principal advantages of the Contact Pair that constitutes as the cone free end of ball is when different-diameter the similar spherical sector of formation geometrical shape between the circle that contacts between ball's dead center and ball and cone free end.Therefore the valve mechanism power that produces also remains unchanged along the component of ball's dead center orientation, and Gothic profile causes along the increase of the force component of centre of sphere orientation when ball increases.Constituting in the free-ended Contact Pair of cone owing to significantly reduce the number of geometric parameter of this external ball can be simplified the design in the calculating of valve mechanism very much.
In expansion scheme of the present invention, stipulate, between the in-profile in the dome-shaped gap of cam follower and exterior contour, be provided with in order to supply the opening of stress-free lubricant oil to ball.By the measure of this simple change, in internal combustion engine operation, use the lubricant oil oil supply gallery that in cylinder head, constitutes, so that ball is not supplied enough lubricant oil about having friction and not having wearing and tearing ground surface of contact.But having suitable equally is that ball is supplied the lubricant oil of pressurization.Supporting element constitutes cup-shaped and has hollow circuit cylinder body bushing and bottom, this bottom is positioned on the bottom surface in gap of cylinder head, and its intermediate gap is connected in the oil supply gallery that forms and wherein forms for the opening that is communicated with oil supply gallery to the purpose of the lubricant oil of ball supplied with pressurized by lining or bottom in cylinder head.But because valve mechanism does not load in the stage and always has small valve clearance in this case at the basic circle of cam, at same gapped ball of this stage since the pressure of lubricant oil cause from spheric thrust bearing, rising.For the volume flowrate that the pressure loss that limits lubricant oil produces, the opening with the pressure oil channel connection should constitute throttle orifice for this purpose.
The regulation cam follower constitutes pull bar in addition, and it is supported on the supporting element by the first end zone, is impacted by cam by the second end zone manipulation scavenging air valve and at zone line.Perhaps cam follower constitutes rocking bar, and it is impacted by cam in the first end zone, is supported on the supporting element by the second end zone manipulation scavenging air valve and at zone line.Last cam follower has the roller rotating and that roll and install alternatively that conduct is used for the screw thread tail surface of cam.
Description of drawings
From following explanation and accompanying drawing, provide other features of the present invention, embodiments of the invention wherein are shown in the accompanying drawing simply.Part that function is identical or feature are provided with identical reference character in this case.Wherein accompanying drawing is represented:
Fig. 1 has the sectional view of the pull bar valve mechanism of machinery valve gap adjustment part; And
Fig. 2 has the sectional view of the rocking bar valve mechanism of machinery valve gap adjustment part.
Embodiment
The valve mechanism 1 that openly has the machinery valve gap adjustment part in the cylinder head 2 of internal-combustion engine in Fig. 1, this internal-combustion engine have and are used for major part of the present invention.Valve mechanism 1 comprises: the cam 3 of the camshaft that is not shown specifically; Constitute the cam follower 5 of pull bar 4; The supporting element 7a of static installation in the 6a of the gap of cylinder head 2; Ball 8 and scavenging air valve 9.Pull bar 4 is impacted by cam 3 by the roller of rollably installing 11 as frictionless screw thread tail surface 12 in zone line 10a.Supporting element 7a is connected the first end zone 13a that is used for pull bar 4 with ball 8 the mode with rotation motion supports, and wherein ball 8 is installed between the end that constitutes spheric thrust bearing 15 16 of the dome-type gap 14 of pull bar 4 and supporting element 7a.Realize the manipulation of scavenging air valve 9 in known manner by valve rod support 17, this valve rod support 17 is formed on the second end zone 18a of pull bar 4.
The valve clearance of valve mechanism 1 is regulated by the ball 8 as valve clearance regulating element 19 and is realized.For this purpose, ball 8 under not having other fixing device situations, only be embedded between the spheric thrust bearing 15 of the dome-type gap 14 of pull bar 4 and supporting element 7a and when valve mechanism 1 operation only form remain in this position with engaging.Regulate in order to carry out the valve clearance when valve mechanism 1 is assembled to cylinder head 2 for the first time and when keeping in repair valve mechanism 1, be provided with the ball of different-diameter, ball 8 can be replaced them.The valve clearance 20 that exists between cam 3 and roller 11 when scavenging air valve 9 is closed for example can be reduced by replacing ball 8 with the ball of larger diameter, and this valve clearance also can be measured between valve rod 17 supports and scavenging air valve 9 when roller 11 is attached on the cam 3.Equally, will increase too little valve clearance 20 by replacing ball 8 with the ball of minor diameter more.
The dome-type gap 14 of pull bar 4 and the spheric thrust bearing 15 of supporting element 7a so design, make them can not only hold the ball 8 of minimum diameter and can hold the ball 8 of maximum diameter and install reliably, can not increase or reduce and be used for the kinematic limiting value that the reliable operation of valve mechanism 1 should comprise.The professional workforce is familiar with this kinematic limiting value and does not therefore here at length explain.But relevantly, the spheric thrust bearing that is configured to cone free end 21 15 of supporting element 7a is features with it.Because centrifugal dome radius is compared with the dome-type gap 14 of pull bar 4 with known Gothic profile, cone free end 21 has following characteristic, and promptly it always is described as the spherical sector of geometric approximation to the line contact of the ball of different-diameter.As long as the power that produces between cone free end 21 and ball 8 is introduced the diameter of angle and ball 8 and irrespectively remained unchanged, this power introducing angle is the value of setting that is used to strengthen along the force component of centre of sphere orientation.Compare but follow in the embodiment shown in Fig. 1 and 2, the dome-type gap 14 of cam follower 5 also can be configured to cone free end or gap 14 and spheric thrust bearing 15 and all has Gothic profile or constitute the cone free end alternatively.
In order between ball 8, dome-shaped gap 14 and spheric thrust bearing 15, to constitute the surface of contact that does not have friction and do not have wearing and tearing, utilize the lubricant mist that in cylinder head 2, constitutes during the internal combustion engine operation.Between the in-profile 22 in the gap 14 of pull bar 4 and exterior contour 23, form opening 24 for this reason, arrive surface of contact between ball 8 and gap 14 by the stress-free lubricant oil of this opening.
The diameter range of desired ball is regulated in the valve clearance, promptly the diameter difference between minimum and maximum ball 8 depends on the part tolerance relevant with valve clearance 20 as everyone knows with the estimated parts depreciation service time by internal-combustion engine of valve and valve gear 1, and wherein said ball is that the valve clearance is regulated and is provided with in the assembling first of valve mechanism 1 and maintenance period.In contrast, the size of the valve clearance 20 that regulate depends on the wearing and tearing of part length variation that causes owing to heat and the part of expecting in the maintenance period, and wherein this part length variation causes the variation of valve clearance 20 during internal combustion engine operation.Because because relevant with between ball 8, dome-type gap 14 and spheric thrust bearing 15 of the kinology of valve mechanism 1, between the variation of the vary in diameter of ball 8 and the valve clearance 20 that causes thus, there is not linear function relation, carries out below the adjusting for example of valve clearance 20 when maintenance valve mechanism 1 describedly.
At first calculate the valve clearance that calculates in the actual valve clearance between cam 3 and the roller 11 or when roller 11 is attached on the cam 3 between valve rod support 17 and scavenging air valve 9.For the situation of actual valve gap digit outside the scope of specified valve clearance, valve clearance 20 is adjusted by replacing ball 8 with the ball of other diameters.In this case, at first determine the actual diameter of the ball 8 of structure now.If ball 8 is not a feature by diameter data, can obtain diameter by simple measurement so to ball 8.In addition, calculate difference between the valve clearance of reality of specified valve clearance and measurement.The diameter of the so new ball that uses obtains by means of form, and the about or approximate difference according to the different-diameter in the bulb diameter scope in this form is classified storage.Each difference is distributed to the diameter of the ball of new use simultaneously.The input of the diameter of the ball 8 that uses and difference so now causes the output of the diameter of the new ball that uses.
This method also can be modified in the second embodiment of the present invention shown in Figure 2.Cam follower 5 is configured to rocking bar 25 in this embodiment, it is impacted by cam 3 by roller 11 at first end zone 13b, handles scavenging air valve 9 and is supported on the supporting element 7b by the ball 8 installed between the spheric thrust bearing 15 of the dome-shaped gap 14 of rocking bar 25 and the supporting element 7b mode with rotation motion in zone line 10b by the second end zone 18b.The supporting element 7b of static installation constitutes cup-shaped and has hollow circuit cylinder body bushing 26 and bottom 27 in the gap 6 of cylinder head 2 in this embodiment, and this bottom is positioned on the bottom surface 28 of gap 6b.Gap 6b is connected in the oil supply gallery 29 that extends in cylinder head 2, the lubricant oil of pressurization arrives ball 8 by the opening 30 that forms from this oil supply gallery in the bottom 27 of supporting element 7b.Lubricant oil at first flow into the surface of contact that flows at the surface of contact between ball 8 and the spheric thrust bearing 15 and from that between the dome-shaped gap 14 of ball 8 and rocking bar 25.According to the position of oil supply gallery 29 in cylinder head 2, opening 30 also can be arranged in the lining 26 of supporting element 7b and preferably constitute throttle orifice 31, so that the volume flowrate that restriction lubricant oil flows out to ball 8 and therefore be limited in the pressure loss in the oil supply gallery 29.Particularly shown in the basic circle of cam 3 scavenging air valve 9 of closing in the stage in the volume flowrate that increases of expectation, yet the valve clearance 20 of the pressure correlation of determining on ball 8 with lubricant oil can cause ball 8 outstanding from spheric thrust bearing 15.
Short of in addition other explanation is used for two embodiment variant described feature interaction ground so and is used for pull bar in combination and the rocking bar valve mechanism.So possible is, for example to ball 8 both can supplied with pressurized lubricant oil also can supply stress-free lubricant oil, the surface of contact that this lubricant oil arrives between ball 8 and gap 14 by the opening 24 that forms between the in-profile 22 in dome-shaped gap 14 and exterior contour 23.
Last the present invention also is used for having like this valve mechanism of machinery valve gap adjustment part, and the mode that wherein shaft-like cam follower can rotation motion is supported in universal ball joint.The push rod valve mechanism that this is effectively for example had rocking bar, this rocking bar are supported on the ball-shaped end of push rod in the mode of rotation motion in cam side and dome-shaped gap.
Reference numeral
1 valve gear
2 cylinder head
3 cams
4 pull bars
5 cam followers
6a, b gap
7a, b supporting element
8 balls
9 scavenging air valves
10a, b zone line
11 rollers
12 screw thread tail surfaces
13a, b first end zone
14 gaps
15 spheric thrust bearings
16 ends
17 valve rod supports
18a, b the second end zone
19 valve clearance regulating elements
20 valve clearances
21 cone free ends
22 in-profiles
23 exterior contours
24 openings
25 rocking bars
26 linings
27 bottoms
28 bottom surfaces
29 oil supply galleries
30 openings
31 throttle orifices
Claims (7)
1. a valve mechanism (1), have the machinery valve gap adjustment part in the cylinder head (2) at internal-combustion engine, this valve mechanism comprises shaft-like cam follower (5), it is arranged in order to handle scavenging air valve (9) between the cam (3) of camshaft and the scavenging air valve (9) and is supported on the static gap (6a that is installed in cylinder head (2) in the mode of rotation motion, supporting element (7a 6b), 7b), wherein at the dome-shaped gap (14) and the supporting element (7a of cam follower (5), between the end that constitutes spheric thrust bearing (15) (16) 7b) ball (8) is installed, it is characterized in that, ball (8) as valve clearance regulating element (19) is inserted between the dome-shaped gap (14) and spheric thrust bearing (15) of cam follower (5) replaceably, wherein regulate and be provided with the ball of different-diameter for the valve clearance, and the wherein dome-shaped gap (14) and/or the supporting element (7a of cam follower (5), spheric thrust bearing 7b) (15) constitutes cone free end (21).
2. valve mechanism as claimed in claim 1 wherein, in order to supply stress-free lubricant oil to ball (8), and is provided with opening (24) between the in-profile (22) in the dome-shaped gap (14) of cam follower (5) and exterior contour (23).
3. valve mechanism as claimed in claim 1, wherein, supporting element (7b) constitutes cup-shaped and has hollow circuit cylinder body bushing (26) and bottom (27), this bottom is positioned on the bottom surface (28) in gap (6b) of cylinder head (2), wherein the gap (6b) of cylinder head (2) is connected in cylinder head (2) oil supply gallery (29) that forms, and wherein in order to form the opening (30) that is communicated with oil supply gallery (29) to the lubricant oil of ball (8) supplied with pressurized by lining (26) or bottom (27).
4. valve mechanism as claimed in claim 3, wherein, opening (30) constitutes throttle orifice (31).
5. valve mechanism as claimed in claim 1, wherein, cam follower (5) constitutes pull bar (4), and it is supported on the supporting element (7a) with first end zone (13a), is impacted by cam (3) with the second end zone (18a) manipulation scavenging air valve (9) and at zone line (10a).
6. valve mechanism as claimed in claim 1, wherein, cam follower (5) constitutes rocking bar (25), and it is impacted by cam (3) at first end zone (13b), utilizes the second end zone (18b) to handle scavenging air valve (9) and be supported on the supporting element (7b) at zone line (10b).
7. valve mechanism as claimed in claim 1, wherein, cam follower (5) has as the rotating roller (11) that is used for cam (3) screw thread tail surface (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005025100.5 | 2005-06-01 | ||
| DE102005025100A DE102005025100A1 (en) | 2005-06-01 | 2005-06-01 | Valve drive for operating a gas exchange valve has a ball as an adjustable valve clearance element, which is removably inserted in between the recess and the ball socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1873191A CN1873191A (en) | 2006-12-06 |
| CN1873191B true CN1873191B (en) | 2010-12-22 |
Family
ID=37401805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100877023A Expired - Fee Related CN1873191B (en) | 2005-06-01 | 2006-05-31 | Valve actuating device with machine valve gap adjustment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006336655A (en) |
| CN (1) | CN1873191B (en) |
| DE (1) | DE102005025100A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7878168B2 (en) | 2007-02-16 | 2011-02-01 | GM Global Technology Operations LLC | High performance overhead valvetrain assembly |
| DE102007034845A1 (en) | 2007-07-26 | 2009-01-29 | Schaeffler Kg | Valve train for activating charge-cycle valve of internal combustion engine, has mechanical valve clearance setting, comprising rigidly designed supporting element, which is arranged in hollow cylindrical recess |
| US8689444B2 (en) * | 2008-06-06 | 2014-04-08 | Hirata Corporation | Method and device for adjusting valve clearance |
| DE102015208455A1 (en) * | 2015-05-07 | 2016-03-31 | Schaeffler Technologies AG & Co. KG | Mechanical support element |
| US10132206B1 (en) * | 2017-05-19 | 2018-11-20 | Caterpillar Inc. | Common rocker arm for hydraulic lash adjuster and non-hydraulic lash adjuster |
| GB2578338B (en) * | 2019-03-07 | 2020-12-09 | Cox Powertrain Ltd | Marine outboard motor with valve train having adjustable lash |
| CN110359975A (en) * | 2019-07-02 | 2019-10-22 | 广西玉柴机器股份有限公司 | A kind of air valve bridge guide rod of hollow type |
| CN111472859B (en) * | 2020-05-26 | 2024-05-03 | 潍坊力创电子科技有限公司 | Hydraulic tappet |
| CN111535893B (en) * | 2020-06-16 | 2024-05-07 | 潍坊力创电子科技有限公司 | In-cylinder braking system of engine and hydraulic tappet matched with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1785308A (en) * | 1929-05-20 | 1930-12-16 | Bert R Heimendinger | Valve push rod |
| GB837665A (en) * | 1957-09-24 | 1960-06-15 | Ford Motor Co | Valve rocker gear for internal combustion engines |
| US3009450A (en) * | 1956-02-03 | 1961-11-21 | Herbert H Engemann | Automatic clearance regulator |
| US4826342A (en) * | 1987-05-30 | 1989-05-02 | Sanyu Co., Ltd. | Universal joint |
| DE19709055A1 (en) * | 1997-03-06 | 1998-09-10 | Schaeffler Waelzlager Ohg | Valve gear for internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161025A (en) * | 1998-11-27 | 2000-06-13 | Toyota Motor Corp | Valve system for internal combustion engine |
-
2005
- 2005-06-01 DE DE102005025100A patent/DE102005025100A1/en not_active Ceased
-
2006
- 2006-05-31 CN CN2006100877023A patent/CN1873191B/en not_active Expired - Fee Related
- 2006-06-01 JP JP2006153809A patent/JP2006336655A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1785308A (en) * | 1929-05-20 | 1930-12-16 | Bert R Heimendinger | Valve push rod |
| US3009450A (en) * | 1956-02-03 | 1961-11-21 | Herbert H Engemann | Automatic clearance regulator |
| GB837665A (en) * | 1957-09-24 | 1960-06-15 | Ford Motor Co | Valve rocker gear for internal combustion engines |
| US4826342A (en) * | 1987-05-30 | 1989-05-02 | Sanyu Co., Ltd. | Universal joint |
| DE19709055A1 (en) * | 1997-03-06 | 1998-09-10 | Schaeffler Waelzlager Ohg | Valve gear for internal combustion engine |
Non-Patent Citations (4)
| Title |
|---|
| JP昭55-156207A 1980.12.05 |
| JP昭62-182408A 1987.08.10 |
| JP昭63-129110A 1988.06.01 |
| JP特开2000-161025A 2000.06.13 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1873191A (en) | 2006-12-06 |
| JP2006336655A (en) | 2006-12-14 |
| DE102005025100A1 (en) | 2006-12-07 |
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