CN1738963B - Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement - Google Patents
Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement Download PDFInfo
- Publication number
- CN1738963B CN1738963B CN200380108842.9A CN200380108842A CN1738963B CN 1738963 B CN1738963 B CN 1738963B CN 200380108842 A CN200380108842 A CN 200380108842A CN 1738963 B CN1738963 B CN 1738963B
- Authority
- CN
- China
- Prior art keywords
- rotation
- roller tappet
- lath
- tappet
- installation cavity
- 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 title claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 56
- 238000005452 bending Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 208000002925 dental caries Diseases 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000465 moulding 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
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
Abstract
Disclosed is a rail used as a torsional stop for the valve train of an internal combustion engine. Said rail comprises spaces (10) which are arranged in a row at a distance from each other within saidrail (8) and accommodate inserted valve lifters that are embodied as roller tappets (9). Two parallel torsional stop areas (15) are configured on the outer surface of each roller tappet (9) in the form of planar flattened zones in order to secure said roller tappet (9) against twisting about the central longitudinal axis thereof. Said torsional stop areas (15) rest against guiding areas of the rail (8), which are located inside the associated accommodating space (10). An insertion opening called a keyhole (11), into which the respective roller tappet (9) is inserted in the direction of the longitudinal axis thereof before being displaced parallel to said axis towards the guiding areas of the rail (8) used as a torsional stop and then once again being moved in the axial direction, is assigned to the accommodating space (10) of the rail (8). A protruding nose is disposed in the area of the recess (10) on the inventive rail (8) while a radial groove (17) which engages around the nose ofthe rail (8) when the roller tappet (9) is displaced parallel to the axis thereof is incorporated into the roller tappet (9) in the region of a torsional stop area (15).
Description
Technical field
The present invention relates to a kind of anti-rotation lath that is used for internal combustion valve mechanism, has on this anti-rotation lath the installation cavity that the valve tappet of making roller tappet of insertion is installed with being used for of setting gradually of a determining deviation, wherein constitute two parallel anti-rotation faces that scabble plane form in order to prevent that roller tappet is rotated in around self vertical center line on the shell surface of described roller tappet, they are bearing on the guide surface of anti-rotation lath, installation cavity under this guide surface is positioned at, wherein the installation cavity of anti-rotation lath sets a patchhole that is called lockhole, the corresponding rolling wheel tappet inserts in this lockhole along its y direction, then the guide surface parallel axes that the is used for anti-rotation ground towards the anti-rotation lath moves, and is shifted again on the direction of the longitudinal axis of roller tappet then.
Background technique
This guiding lath is used in internal-combustion engine preventing that the valve tappet of making roller tappet from rotating, and it is used as the assembling assistant tool simultaneously, and can be specifically designed to the roller tappet of tappet valve mechanism.
Patent documentation DE 197 12610A1 of guiding lath that are used for internal-combustion engine in an expression illustrate that internal-combustion engine has the roller valve tappet usually, and the cam lift portion of it and a camshaft is chimeric.Because tappet does not allow around its longitudinal axis rotation, because the roller on the tappet must remain in the same plane with cam lift portion, its rotation is arranged and prevented to tappet fixing device with regulation in internal combustion (IC) engine cylinder block with suitable method.
The installation cavity that is used for valve tappet 32 that has the certain distance setting of a plurality of spaces at the guiding lath 1 shown in Fig. 5 of accompanying drawing by a kind of suggestion early of patent applicant.Per two installation cavitys 2 are provided with in pairs, and link to each other with a patchhole 4, and one is equipped with 3 horn-like terminal 5 valve tappets 3 can insert this hole, and valve tappet 3 is provided with on its shell surface and scabbles the plane.They and guiding are scabbled plane 6 actings in conjunction on the lath 1, and this scabbles the plane and is arranged in the installation cavity 2, if the valve tappets 3 that are inserted in the described patchhole 4 move in one of two installation cavitys 2 that are provided with in pairs therefrom.When moving like this, realize the parallel mobile of valve tappet 3 longitudinal axis.Support mutually on the plane 6 of scabbling of scabbling plane and guiding lath 1 of valve tappet 3 now, and making can not be around its longitudinal axis rotation by guiding lath 1 fixing valve tappet 3.
Valve tappet 3 pulls down along its longitudinal axis after moving on in the installation cavity 2 from patchhole 4.At this moment horn-like terminal 5 of valve tappet 3 arrive in the sector notch 7 of guiding lath 1, this breach is equipped on each installation cavity 2.Prevent that in this way valve tappet 3 is retracted into the motion of patchhole 4.If make guiding lath 1 intactly be equipped with valve tappet 3 in this way, just it can be contained on the internal-combustion engine so.
By the known a kind of anti-rotation lath that is used for internal combustion valve mechanism of US 5 088 455 A, be included in being used to of setting gradually at a certain distance in the anti-rotation lath to settle the installation cavity of the valve tappet of making roller tappet of insertion.Be installed in the base of anti-rotation lath in the outer end of this each roller tappet.It is very complicated that but this structure has two dactylitic pieces that constitute base, and these dactylitic pieces spacing each other diminishes backwards gradually.
Summary of the invention
The objective of the invention is, make a kind of roller tappet one and install and the anti-rotation lath, its guarantees tappet in the lath that leads, thus also definite orientation in motor, just as desired for controllable roller tappet.This tappet must be able to be contained in the engine cylinder-body definitely, that is the operating mechanism of tappet (Schaltmechanmus) must be positioned at the total oil duct of switch (
) side.At the position tappet of packing into must be anti-rotation.The anti-rotation lath should be designed to like this, and it can be used as assembly together with six tappets.It can only be on position of engine cylinder-body and side in addition.Tappet should be fixed in the anti-rotation lath, so that can not drop out again easily.
According to the present invention suggestion, the lug boss of a projection is set in anti-rotation lath upper groove zone, radial groove of processing in the anti-rotation face zone on roller tappet, it parallels to the axis along guide surface at roller tappet and surrounds the lug boss of anti-rotation lath when mobile.
According to another kind suggestion the anti-rotation lath of installation cavity of the valve tappet of making roller tappet that is used for installing insertion that has on anti-rotation lath order setting separated by a distance at the valve mechanism that is used for internal-combustion engine, on roller tappet, fix a rectangular washer respectively according to the present invention, to prevent that it is around self vertical center line rotation, this pad surrounds roller tappet and abuts on the anti-rotation lath, and two parallel longitudinal side that play the effect of anti-rotation face inserting the pad of the roller tappet in the installation cavity engage with the guide surface of anti-rotation lath.
The invention still further relates to the structure of a kind of roller tappet on the anti-rotation lath of the valve mechanism that is used for internal-combustion engine at last, have and on the anti-rotation lath, the installation cavity of the valve tappet of making roller tappet of insertion is installed with being used for of being provided with in proper order of a determining deviation, wherein on roller tappet, constitute a plane shape anti-rotation face respectively, to prevent around self longitudinal center's axis rotation, this anti-rotation surface bearing is on the guide surface of anti-rotation lath, this guide surface is positioned at the installation cavity of attaching troops to a unit, and installation cavity sets a patchhole that is called lockhole, the corresponding rolling wheel tappet inserts in this lockhole along its longitudinal axis, then towards the installation cavity parallel axes move.Then again along the direction skew of the longitudinal axis of roller tappet.By the present invention suggestion, the anti-rotation face of roller tappet is made of the lath of the bending of an elastically supported plate thus, and elastically supported plate is arranged on the rear end of tappet roller dorsad of roller tappet.
The anti-rotation lath can be made the U-shaped with a U-crosspiece and two U-shaped arms in cross section, the guide surface that wherein is used for roller tappet is made of one of two U-shaped arms.Installation cavity and lockhole can be arranged in the zone in space of crosspiece on the anti-rotation lath.The side plate of inside bending can be set in the free end installation cavity zone of U-shaped arm on the anti-rotation lath, and they prevent that respectively roller tappet from directly inserting in the affiliated installation cavity vertically.
Description of drawings
Represent embodiments of the invention in the accompanying drawings, more detailed in addition below explanation.Accompanying drawing is represented:
Fig. 1 is with first kind of form of implementation of perspective representation anti-rotation lath of the present invention;
Fig. 2 is used for roller tappet of the present invention by the anti-rotation lath of Fig. 1 with perspective representation;
Fig. 3 presses the partial enlarged drawing of the anti-rotation lath of Fig. 1;
Fig. 4 presses the partial enlarged drawing of the roller tappet of Fig. 2;
Fig. 5 is by the guiding lath of a kind of suggestion in the past of applicant;
Fig. 6 is with the anti-rotation lath of the present invention of the another kind of structure of perspective representation;
Fig. 7 with perspective representation be used for by the anti-rotation lath of Fig. 6 by roller tappet of the present invention;
Fig. 8 presses the partial enlarged drawing of the guiding lath of Fig. 6 together with the roller tappet of part insertion with perspective representation;
Fig. 9 presses the partial view of the anti-rotation lath of Fig. 8 together with the roller tappet that inserts fully with perspective representation;
Figure 10 is with perspective representation another kind of anti-rotation lath of the present invention;
Figure 11 is used for roller tappet of the present invention by the anti-rotation lath of Figure 10 with perspective representation;
Figure 12 presses the partial enlarged drawing of the anti-rotation lath of Figure 10;
Figure 13 presses the partial enlarged drawing of the roller tappet of Figure 11;
Figure 14 to 17 is installed in roller tappet on the another kind of anti-rotation lath by four steps in succession.
Embodiment
Have the installation cavity 10 that sets gradually with a determining deviation in being used for shown in Fig. 1 and 3 by the anti-rotation lath 8 of the roller tappet 9 of Fig. 2 and 4, wherein the installation cavity 10 along anti-rotation lath 8 vertical two outer ends outwards opens.Other each installation cavitys 10 set a patchhole that is called lockhole 11.Prejudicially, that is stagger with respect to vertical center line with being provided with and to settle two screw holes 12 on this external torsional stop bar 8.
Anti-rotation lath 8 has two blocks of location side plates 13 and has two at each installation cavity 10 place and is used for and the anti-rotation face 15 coefficient guide surfaces 14 of roller tappet 9 at each lockhole 11 place.Has a corresponding lug boss 16 that stretches into installation cavity 10 on this external torsional stop bar 8.Roller tappet 9 inserts in the lockholes 11, and from lockhole 11 parallel axes cross lug boss 16 with a groove 17 when moving in the installation cavity 10.The groove 17 of roller tappet 9 extends in a radial plane in anti-rotation face 15 zones on it, and lug boss 16 couplings of its size and anti-rotation lath 8.
Two anti-rotation faces 15 of roller tappet 9 are arranged on as parallel plane on the shell surface of roller tappet 9, connect two flange surfaces 18 of roller tappet 9 in the top, and they extend in a common radial plane.After in the parallel installation cavity 10 that moves to anti-rotation lath 8 of roller tappet 9, tappet moves downward vertically, and at this moment flange surface 18 just abuts on the anti-rotation lath 8.At this moment guarantee that the anti-rotation face 15 of roller tappet 9 and the guide surface 14 of anti-rotation lath 8 are bonded with each other.Prevent that at roller tappet 9 parallel mobile time slots 17 tappet from dropping out from anti-rotation lath 8.Do not need vertically to insert lockhole 11 for these roller tappets 9 that are installed in 8 two ends of anti-rotation lath roller tappet 9 when beginning.There is the orientation of determining with respect to the anti-rotation lath with the solution of the present invention tappet.Location side plate 13 prevents that roller tappet 9 from can attempt just not insert by lug boss 16 with groove 17.Anti-rotation face 15 is among the joint all the time after roller tappet 9 inserts, so roller tappet 9 can only be installed in anti-rotation lath 8 and the engine cylinder-body with an orientation.
Anti-rotation lath 8 with respect to engine cylinder-body really orientation reach by such method, promptly screw hole 12 has the asymmetrical position of an off-centre on anti-rotation lath 8.Therefore only give a kind of installation possibility.
Order is provided with the installation cavity of making cylindrical hole respectively on anti-rotation lath 19 in by the embodiment of Fig. 6 to 9, and the side plate 21 of anti-rotation lath 19 stretches in each installation cavity 20.Reach the anti-rotation of the roller tappet 22 of packing into by such method, the pad with a breach 24 23 that promptly surrounds tappet 22 and be fixed on above it is fitted on the anti-rotation lath 19 behind the installation cavity 20 under roller tappet 22 inserts in this wise, make that the anti-rotation face 25 of pad 23 abuts on the guide surface 26 of anti-rotation lath 19 in addition in the breach 24 of side plate 21 inserted shims 23 of anti-rotation lath 19.The anti-rotation face 25 of pad 23 is made of two of pad 23 parallel inclines, and pad is a rectangular elements, and this member is provided with prejudicially and is fixed on above it with respect to roller tappet 22.
Shown in Fig. 6,8 and 9, lay respectively near the installation cavity 20 side plates 21 and be a zone by the guide surface 26 right angle type bendings of anti-rotation lath 19, it is coupled in the rectangular indentation 24 of pad 23, and breach 24 (Fig. 7) is arranged in the folding corner region of pad 23.
Roller tappet 22 vertically is inserted in advance from the top down with its roller in the installation cavity 20 of anti-rotation lath 19, in advance till pad 23 abuts on the anti-rotation lath 19.Guarantee that in this position the anti-rotation face 25 of roller tappet 22 pads 23 engages with the guide surface 26 of anti-rotation lath 19.Because the moulding of installation cavity 20 prevents that roller tappet 22 from laterally dropping out from anti-rotation lath 19.
Another kind of have the installation cavity 30 that is provided with in proper order with a determining deviation in being used for shown in Figure 10 and 12 by the anti-rotation lath 28 of the roller tappet 29 of Figure 11 and 13, and wherein the installation cavity 30 along anti-rotation lath 28 vertical two outer ends is openings.Other each installation cavitys 30 set a patchhole that is called lockhole 31.Prejudicially, that is, two screw holes 32 are set on this external torsional stop bar 28 with respect to vertical center line skew ground.
Roller tappet 29 has an elastically supported plate 33 on the unillustrated rear end that is bearing in the tappet roller on the front end dorsad at it in by structure of the present invention.It is equipped with the rectangular strip of a bending, and its plane shape outer surface is used from the effect of the anti-rotation face 34 of roller tappet 29.Anti-rotation lath 28 is made U-shaped in cross section, and has a U-crosspiece 35 and two U-shaped arms 36 that are connected above it.Article two, the internal surface of one of U-shaped arm 36 is used from the effect of guide surface 37 of anti-rotation face 34 of the roller tappet 29 of insertion.The last free end of this external U-shaped arm 36 is provided with the side plate 38 to anti-rotation lath 28 inside bend, and they only extend in installation cavity 30 zones, and corresponding rolling wheel tappet 29 is unhinderedly inserted in the affiliated lockhole 31.
Roller tappet passes lockhole 31 at first from the top down with tappet roller respectively and vertically inserts in the anti-rotation lath 28 when being installed in roller tappet 29 on the anti-rotation lath 28.Under then tappet 29 being moved to along anti-rotation lath 28 parallel longitudinals in the installation cavity 30, till it abuts on the side of adjacent U-crosspiece 35.Guarantee that on this position the anti-rotation face 34 of roller tappet 29 and the guide surface 37 of anti-rotation lath 28 are bonded with each other.Two end roller tappets 29 at anti-rotation lath 28 do not need from top insertion, because installation cavity 30 vertically outwards opening along anti-rotation lath 28 here.
The installation cavity 30 that has such lockhole 31 is used for making tappet 29 to keep definite orientation with respect to anti-rotation lath 28, and this lockhole is eccentrically set on the anti-rotation lath 28 on the one hand, and the anti-rotation face 34 of corresponding on the other hand elastically supported plate 33 is eccentric equally.Side plate 38 is positioned at the roller tappet 29 that a possible errors is installed in the anti-rotation lath 28 by this way, and the feasible anti-rotation lath that has the roller tappet of prepackage can not be packed in the engine cylinder-body.Only tappet as above when being positioned in the anti-rotation lath described, the assembly of being made up of anti-rotation lath 28 and six tappets 29 just can be contained in the engine cylinder-body.The guide surface 37 of the anti-rotation face 34 of roller tappet 29 and anti-rotation lath 28 is bonded with each other in this case.Therefore roller tappet 29 can only be installed in the anti-rotation lath 28 with an orientation respectively, thereby is installed in the engine cylinder-body.
Anti-rotation lath 28 with respect to engine cylinder-body really orientation reach by such method, promptly screw hole 32 has the asymmetric position of an off-centre in anti-rotation lath 28.Therefore a kind of possibility of packing into can only be arranged.
List of numerals
1 guiding lath, 29 roller lifters
2 installation cavitys, 30 installation cavitys
3 valve lifters, 31 lockholes
4 patchholes, 32 screw holes
5 flared end, 33 elastically supported plates
6 scabble plane 34 anti-rotation faces
7 breach 35U-crosspieces
8 anti-rotation lath 36U shape arms
9 roller lifters, 37 spigot surfaces
10 installation cavitys, 38 side plates
11 lockholes
12 screw holes
13 location side plates
14 spigot surfaces
15 anti-rotation faces
16 lug bosses
17 grooves
18 flange surfaces
19 anti-rotation laths
20 installation cavitys
21 side plates
22 roller tappets
23 pads
24 breach
25 anti-rotation faces
26 guide surfaces
28 anti-rotation laths
Claims (7)
1. anti-rotation lath that is used for internal combustion valve mechanism, having being used to of setting gradually at a certain distance in anti-rotation lath (8) installs the installation cavity (10) of the valve tappet of making roller tappet (9) of insertion, it is characterized by: in order to prevent that roller tappet (9) is around self vertical center line rotation, on the shell surface of described roller tappet, constitute two flat parallel anti-rotation faces (15) that scabble plane form respectively, described anti-rotation surface bearing is on the guide surface (14) of anti-rotation lath (8), described guide surface is positioned at the installation cavity (10) of attaching troops to a unit, and the installation cavity (10) of anti-rotation lath (8) sets a patchhole that is called lockhole (11), corresponding rolling wheel tappet (9) inserts in the described lockhole along self y direction, then towards anti-rotation lath (8) be used for anti-rotation guide surface (14) parallel axes move, then again along the direction skew of the longitudinal axis of roller tappet (9), and go up the lug boss (16) of in installation cavity (10) zone, establishing a projection at anti-rotation lath (8), go up processing one radial groove (17) in an anti-rotation face (15) zone at roller tappet (9), this groove surrounds the lug boss (16) of anti-rotation lath (8) when roller tappet (9) is mobile along guide surface (14) parallel axes ground.
2. press the anti-rotation lath of claim 1, it is characterized by: on roller tappet (9), one is used for fitting to each adjacency of flange surface (18) and two anti-rotation faces (15) on the anti-rotation lath (8), wherein two flange surfaces (18) extension in one of roller tappet (9) common radial plane.
3. by the anti-rotation lath of claim 1, it is characterized by: go up be used to the to fit location side plate (13) of anti-rotation face (15) of roller tappet (9) of two of formations in the zone of the lockhole (11) that is being equipped on installation cavity (10) at anti-rotation lath (8).
4. a roller tappet is in a structure that is used on the anti-rotation lath of internal combustion valve mechanism, have being used for of in anti-rotation lath (28), setting gradually at a certain distance the installation cavity (30) of the valve tappet of making roller tappet (29) of insertion is installed, it is characterized by: in order to prevent that roller tappet is around self vertical center line rotation, on roller tappet (29), constitute a plane shape anti-rotation face (34) respectively, it is bearing on the guide surface (37) of anti-rotation lath (28), this guide surface is positioned at affiliated installation cavity (30), and installation cavity (30) sets a patchhole that is called lockhole (31), corresponding rolling wheel tappet (29) inserts in this lockhole (31) along self y direction, then move abreast towards installation cavity (30) azimuth axis, then again along the direction skew of the longitudinal axis of roller tappet (29), and the anti-rotation face (34) of roller tappet (29) is made of the lath of the bending of an elastically supported plate (33), and elastically supported plate is arranged on the rear end of tappet roller dorsad of roller tappet (29).
5. by the structure of claim 4, it is characterized by: anti-rotation lath (28) is made the U-shaped with a U-crosspiece (35) and two U-shaped arms (36) in cross section, and the guide surface (37) that wherein is used for roller tappet (29) is made of one of two U-shaped arms (36).
6. by the structure of claim 4, it is characterized by: go up installation cavity (30) and lockhole (31) at anti-rotation lath (28) and be arranged in the zone in space of U-crosspiece (35).
7. press the structure of claim 4, it is characterized by: go up the side plate (38) that is provided with inside bending on the free end of the regional inherent U-shaped arm of installation cavity (30) (36) at anti-rotation lath (28), they prevent that respectively roller tappet (29) from axially directly inserting in the affiliated installation cavity (30).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10259128.8 | 2002-12-18 | ||
| DE2002159129 DE10259129A1 (en) | 2002-12-18 | 2002-12-18 | Automotive piston engine roller tappet locking arrangement has roller tappet locking surface formed by a bent spring presented to roller tappet rear face |
| DE10259128A DE10259128A1 (en) | 2002-12-18 | 2002-12-18 | Valve tappet and holder for automotive piston engine has locking strip with sidewalls and a projection engaging in a matching tappet groove |
| DE10259129.6 | 2002-12-18 | ||
| PCT/EP2003/014297 WO2004055335A1 (en) | 2002-12-18 | 2003-12-16 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101659617A Division CN101649760B (en) | 2002-12-18 | 2003-12-16 | Rail used as a torsional stop for the valve train of an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1738963A CN1738963A (en) | 2006-02-22 |
| CN1738963B true CN1738963B (en) | 2010-06-09 |
Family
ID=32403895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200380108842.9A Expired - Fee Related CN1738963B (en) | 2002-12-18 | 2003-12-16 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1738963B (en) |
| DE (1) | DE10259129A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017107100B3 (en) * | 2017-04-03 | 2018-06-14 | Schaeffler Technologies AG & Co. KG | Lightweight roller tappet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5088455A (en) * | 1991-08-12 | 1992-02-18 | Mid-American Products, Inc. | Roller valve lifter anti-rotation guide |
| US5307769A (en) * | 1993-06-07 | 1994-05-03 | General Motors Corporation | Low mass roller valve lifter assembly |
| US5678514A (en) * | 1996-04-02 | 1997-10-21 | Ford Global Technologies, Inc. | Valve lifter retainer for an internal combustion engine |
| US6257189B1 (en) * | 2000-06-21 | 2001-07-10 | Tmj Properties, L.L.C. | Valve guide |
| US6405699B1 (en) * | 2001-08-09 | 2002-06-18 | Eaton Corporation | Roller follower guide orientation and anti-rotation feature |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1726513A (en) * | 1926-05-28 | 1929-08-27 | Gen Motors Corp | Valve lifter |
| US3977370A (en) * | 1974-10-23 | 1976-08-31 | Sealed Power Corporation | Roller tappet |
| US4326484A (en) * | 1979-10-26 | 1982-04-27 | Cummins Engine Company, Inc. | Floating tappet guide plate |
| JPS6460704A (en) * | 1987-08-31 | 1989-03-07 | Koyo Seiko Co | Valve device of engine |
| US5263386A (en) * | 1992-11-24 | 1993-11-23 | General Motors Corporation | Roller cam follower guide |
-
2002
- 2002-12-18 DE DE2002159129 patent/DE10259129A1/en not_active Withdrawn
-
2003
- 2003-12-16 CN CN200380108842.9A patent/CN1738963B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5088455A (en) * | 1991-08-12 | 1992-02-18 | Mid-American Products, Inc. | Roller valve lifter anti-rotation guide |
| US5307769A (en) * | 1993-06-07 | 1994-05-03 | General Motors Corporation | Low mass roller valve lifter assembly |
| US5678514A (en) * | 1996-04-02 | 1997-10-21 | Ford Global Technologies, Inc. | Valve lifter retainer for an internal combustion engine |
| US6257189B1 (en) * | 2000-06-21 | 2001-07-10 | Tmj Properties, L.L.C. | Valve guide |
| US6405699B1 (en) * | 2001-08-09 | 2002-06-18 | Eaton Corporation | Roller follower guide orientation and anti-rotation feature |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10259129A1 (en) | 2004-07-01 |
| CN1738963A (en) | 2006-02-22 |
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