CN101680313A - Switchable valve train part - Google Patents

Switchable valve train part Download PDF

Info

Publication number
CN101680313A
CN101680313A CN200880010625A CN200880010625A CN101680313A CN 101680313 A CN101680313 A CN 101680313A CN 200880010625 A CN200880010625 A CN 200880010625A CN 200880010625 A CN200880010625 A CN 200880010625A CN 101680313 A CN101680313 A CN 101680313A
Authority
CN
China
Prior art keywords
hole
housing
piston
valve actuation
inner member
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.)
Pending
Application number
CN200880010625A
Other languages
Chinese (zh)
Inventor
克林·彼得鲁·伊托阿弗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
FAG Kugelfischer AG and Co OHG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FAG Kugelfischer AG and Co OHG filed Critical FAG Kugelfischer AG and Co OHG
Publication of CN101680313A publication Critical patent/CN101680313A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/14Tappets; Push rods
    • F01L1/143Tappets; Push rods for use with overhead camshafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12Transmitting gear between valve drive and valve
    • F01L1/14Tappets; Push rods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20Adjusting or compensating clearance
    • F01L1/22Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245Hydraulic tappets
    • F01L1/25Hydraulic tappets between cam and valve stem
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0005Deactivating valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2307/00Preventing the rotation of tappets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Valve Device For Special Equipments (AREA)
  • Water Treatment By Sorption (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to a switchable valve train part (1) such as a bucket tappet, comprising a housing (2) in the bore (3) of which an inner element (4) runs that is axially movable relative to saidbore, said inner element comprising a radially continuous bore (6) comprising two coupler pistons (7) located opposite one another that, in order to create a coupled state, may be brought into engagement in sections with a respective crescent-shaped material clearance (14) in the bore (3) of the housing (2).

Description

Controlled valve actuation parts
Technical field
The present invention relates to a kind of controlled valve actuation parts, these valve actuation parts have the housing of hollow cylinder, the inner member that can move to axial with respect to this housing extends in the hole of this housing with its outer cover, wherein, for one of structure member (inner member or housing), at least one hole is intrinsic together with at least one remove the connection piston that extends under the situation about connecting in the hole, this hole towards on the direction of other structure member the guiding and lead on the ring surface between the structure member, this connection piston can the piecewise and the interlock face engagement of other structure member in order to connect, and wherein, be provided with the lost motion springs part, this spring part is released structure member on the direction at it and is remotely loaded mutually.
Background technique
This valve actuation parts of bucket tappet that here are configured to are by knowing among DE 44 92 633 C1.Its bindiny mechanism can be set directly at the below of bottom section.One skilled in the art will appreciate that above-mentioned tappet structure relative complex and prove that therefore its manufacturing is a cost of idleness unnecessarily.For example external component in bottom section, be configured to asymmetrical because below the bottom of annular, pilot hole is used to connect piston.Inner member also is unnecessary firm and complicated.Because above-mentioned firm structure has improved the valve driving quality of vibration unfriendly.The piston link that remains to be familiar with causes surface pressure bigger in join domain, also can cause unnecessary edge abrasion in the recessed area that connects piston.
In addition, by early prior art solution is disclosed, in these solutions, connect piston enter under the situation about connecting corresponding other structure member, distolateral adjacency around circular groove in.This circular groove has weakened material on the one hand, and making must increase size in case of necessity in this zone.Owing to there is long hydraulic medium path in this circular groove, hydraulic medium is connected the piston front distolateral being directed on the other hand by this circular groove.This conversion time that can cause undesirable length in for the time window (generating circle) that uses is false transitions in other words.
Summary of the invention
Therefore, the objective of the invention is to propose a kind of foregoing controlled valve actuation parts, wherein got rid of described shortcoming with simple mechanism.
According to the present invention, this purpose realizes by the following method, the promptly corresponding piston that connects is provided with the flat part of cutting of segmentation from it in axial side in the face of the end of interlock face, wherein other structure member only with the circumferential segment in the hole that is connected the piston adjacency in structure member, in its hole/on its outer cover, be provided with only falculate material room, on one of this material room flat axial end, present and be used for the interlock face that cuts flat part of piston that is connected with a joggle for coupled condition, and connect on the one hand piston with respect to its hole and on the other hand structure member be provided with separately rotation fixed block each other.
Propose a kind of controlled valve actuation parts thus, in these valve actuation parts, very removed described shortcoming effectively.Protection scope of the present invention relates in particular to a kind of controlled valve actuation parts, as bucket tappet, but be not limited to this.Equally, protection domain also comprises controlled roller tappet or flat-bottom tappet and controlled supporting member.All elements can be provided with lash compensation device hydraulic pressure or machinery.
The present invention's design relates to the solution with at least one connection piston, yet preferably should use two along the opposed connection piston of diameter.Yet also can consider and the solution (star arrangement) with connection number of pistons>2 is set.
Under situation about remove connecting, described connection piston can be arranged in housing, and radially is moved into corresponding falculate material room on its outer cover that is positioned at inner member for coupled condition (big cam stroke).In addition, connecting piston can for example extend in radial hole in inner member, and moves to the falculate material room of adjacency in the hole of housing for the coupled condition radially outward.Advantageously, connect piston and on its corresponding axial side (join domain), be provided with a section flat part, yet the flat part of this section is dispensable.
Being respectively falculate material room according to suggestion can for example produce by simple milling disk pin process for it is configured in situation such in the hole of housing.Yet also can consider other working angles for example turning do not have cutting in other words insert for example punching press, impact extrusion crimping (Einsicken) in other words.
Particularly preferably be configured to as mentioned to disconnect or the convertible bucket tappet of controlled valve actuation parts.As being used for preferred two holes that connect piston, especially consider radial hole, this radial hole can be made in workflow simply.Yet also can consider and so setting, be each and connect piston applications blind hole or similar structure.
Connecting piston preferably loads by pressure spring power radially outward (being arranged on situation in the inner member for it) on connecting direction.By can import respectively hydraulic medium in the falculate material room be implemented in remove on the direction that connects return mobile.
Corresponding falculate material room only slightly weakened wall thickness, thereby can abandon as strengthening measure necessary in the circular groove link of prior art.Those skilled in the art will appreciate that owing to abandon circular groove and also can shorten the hydraulic medium path.
In order especially to guarantee in bucket tappet, hydraulic medium to be imported in the falculate material room, propose in the specific embodiment of the present invention; the sheet material of thin-walled is placed on the inside of housing, one or more opening forms corresponding passage from lining in this sheet material.In case of necessity also can be on the inwall of housing with channel application, thus also can be configured to the sheet material of thin-walled fairshaped where necessary.
Carry out correspondingly in order on circumference, to connect position of piston and its falculate material null position, use simple rotation fixed block in the annulus between two valve actuation parts, as pin, ball or similar structure.
Equally, be provided with the situation of cutting flat part for connecting piston, in order to contact with the corresponding pairing face of sickle shaped moulding " face-to-face ", this connection piston must be rotated fixing with respect to its hole.At this, provide the retaining ring or the similar device that can be placed on simply on the flat part of its section.In case of necessity, also can prevent that this connection piston from reversing by the pin that stretches in the radial hole that connects piston.
In addition, in the specific embodiment of the present invention, propose, with inner member be configured to thin-walled/tubulose, wherein radial hole is the simple laterally constituent element of contact pin together with connecting piston.There is dog-cheap inner member thus.
Description of drawings
Targetedly the present invention is explained in detail with reference to the accompanying drawings.Wherein:
Fig. 1 is the longitudinal section of bucket tappet as controlled valve actuation parts;
Fig. 2 is the cross section according to the cutting line A-A of Fig. 1, and
Fig. 3 has rotated 90 ° sectional drawing with respect to Fig. 1.
Embodiment
Accompanying drawing shows the controlled valve actuation parts 1 that are configured to bucket tappet at this.
Valve actuation parts 1 comprise the housing 2 of hollow cylinder, and this housing can be arranged in the accommodating part of internal-combustion engine quiveringly by the lining 21 of its thin-walled.This lining 21 extends in the direction away from cam from the outward edge 20s that are similar to annular bottom 19.19 inward flange 22 stretches out additional sections 23 from the bottom.This additional sections has hole 3, but with respect to the thin-walled of this hole axial motion/inner member 4 of tubulose is contained in this hole.This inner member 4 does not contact cam, makes controlled valve actuation parts 1 exist as disconnecting element.
Extend at this as the horizontal contact pin 38 of hole 6 at inner member 4 of radial hole.Removing under the situation about connecting, two connection pistons 7 are opposed along diametric(al) in this hole 6.This connection piston obtains loading by the power radially outward (connecting direction) as the helical compression spring of spring part 18 towards 17 effects of its inner end face.
Connect piston 7 and go up the flat part 13 of cutting that is respectively equipped with segmentation from the end face 11s of its radially outer here in axial side 12 (being the cam side).Fig. 1 shows the coupled condition of valve actuation parts 1, wherein connects piston 7 piecewises and is engaged in the hole 3 of housing 2 with interlock face 9 radially outwardly.Top flat axial end by falculate material room 14 shows interlock face 9, and the flat part 13 of each section that connects piston 7 is resisted against under coupled condition on this material room.For example can produce this material room 14 (also referring to Fig. 2) with the simple disk milling cutter in the hole 3 that can sail housing 2 into.
As can be seen, the hole 3 of housing 2 is at the constituent element away from the additional sections 23 of the upwardly extending hollow cylinder in side of cam from the inward flange 22 of the bottom 19 of housing 2.
Connecting piston 7 can realize at the hydraulic medium in the transfer material room, end face 11 front 14 of its radially outer removing back moving through on the direction that connects.For this reason, housing 2 within it portion have to a great extent near thin-walled element 25, as sheet material.
Further guide towards bottom direction by the rising passway 27 that is formed at bush side in the element 25 opening 26s (referring to Fig. 3) from lining 21, hydraulic medium.Realize radially inner further guiding by at least one radial passage 28 between the section that abuts against the there of bottom 19 and element 25 there.In inner radial, hydraulic medium is further by axial passage 31 downward channeling conducts, and this axial passage is in the outer cover 30 of additional sections 23 and extending between zone there of element 25.Annular pass 32 is being formed in the element 25 in the front in material room 14 in the radial direction, and this annular pass is connected with axial passage 31.From this annular pass 32, hydraulic medium directly further imports the material room 14 of 11 fronts, end that are arranged in the radially outer that connects piston 7 by transition region 33 separately.
Ring surface 8 between structure member 2,4 is by rotation fixed block 16 overlap joints.This rotation fixed block is arranged in the recess 34 of the outer cover 5 of inner member 4, and is configured to rolling element.This rotation fixed block 16 (rolling element) extends in the corresponding cannelure 35 in hole 3 of additional sections 23 at radially outer.
Equally, connect piston 7 and have rotation fixed block 15 with respect to its hole 6.This rotation fixed block is configured to for example locking ring of simple fixed element, and this locking ring extends on the outer cover 5 of inner member 4 in circular groove 36, and is positioned on the flat part 13 of its section in the zone that connects piston 7.
Reference number
1) valve actuation parts
2) housing
3) housing bore
4) inner member
5) outer cover
6) connect piston hole
7) connect piston
8) ring surface
9) interlock face
10) lost motion springs part
11) (outside) end face
12) axial side
13) cut flat part
14) material room
15) rotation fixed block
16) rotation fixed block
17) (inner) end face
18) spring part
19) bottom
20) outward edge
21) lining
22) inward flange
23) additional sections
24) upside
25) element
26) opening
27) rising passway
28) radial passage
29) bottom of downside
30) outer cover
31) axial passage
32) annular pass
33) transition region
34) recess
35) cannelure
36) circular groove
37) relief opening
38) laterally contact pin

Claims (8)

1. controlled valve actuation parts (1), it has the housing (2) of hollow cylinder, the inner member (4) that can move to axial with respect to this housing extends in the hole (3) of described housing with its outer cover (5), wherein, for one of described structure member (inner member (4) or housing (2)), at least one hole (6) is intrinsic together with at least one remove the connection piston (7) that extends under the situation about connecting in described hole, described hole (6) is towards other structure member (2,4) guide on the direction and lead at described structure member (4,2) ring surface between (8) the above connect piston (7) can piecewise and other structure member (2 in order to connect, 4) interlock face (9) engagement, and wherein, be provided with lost motion springs part (10), described spring part is with described structure member (2,4) on its release direction, remotely load mutually, it is characterized in that, (11)s were provided with cutting of segmentation flat partly (13) in axial side (12) to corresponding described connection piston (7) from its end in the face of described interlock face (9), wherein said other structure member (2,4) only with the circumferential segment in the hole (6) that is connected piston (7) adjacency at structure member (4,2) in, in its hole (3)/on its outer cover (5), be provided with only falculate material room (14), on a flat axial end in described material room, present the described interlock face (9) that cuts flat part (13) that is used for meshing described connection piston (7) for coupled condition, and described connection piston (7) is with respect to its hole (6) and described on the other hand structure member (4 on the one hand, 2) be provided with separately rotation fixed block (15,16) each other.
2. valve actuation parts according to claim 1, it is characterized in that, just in time be provided with two and connect that the described connection pistons of piston (7) extend and opposed in the described hole (6) that is configured to radial hole of described inner member (4) along diametric(al), wherein said connection piston (7) on its connecting direction by towards the spring part (18) of its internal end surface (17) effect for example the power of at least one helical compression spring obtain loading, wherein it is going moving through at the preceding hydraulic medium that imports in the corresponding falculate material room (14) of its outside end face (11) on the connecting direction to illustrate.
3. valve actuation parts according to claim 2, it is characterized in that, bucket tappet is set up as controlled valve actuation parts (1), described cup-shaped tappet has the housing (2) that has as the bottom (19) that is similar to annular of cam contact surface, described housing can import in the hole of internal-combustion engine by its lining (21) that is separated by outward edge (20), described bottom (19) can contact with at least one big stroke cam, the additional sections (23) that separates hollow cylinder by the inward flange (22) of described bottom (19), this additional sections has hole (3), described hole has the described inner member (4) of guiding therein, in described hole (3), use two falculate opposed described material rooms (14), flat axial end is gone up at the upside (24) in described material room as interlock face (9) and is extended, and described inner member (4) is configured to not have the cam contact in the bottom side, perhaps be provided with discoid bottom, described bottom is used to start low stroke cam or zero stroke cam.
4. valve actuation parts according to claim 3, it is characterized in that, the element (25) that thin-walled is set in the inside of described housing (2) is sheet material for example, the element of described thin-walled is followed profile in it basically, wherein, at least one opening (26)s from the lining (21) of described housing (2), in described element (25), be formed for the rising passway (27) of hydraulic medium, described rising passway is connected with one or more radial passage (28) between downside that is positioned at described bottom (19) (29) and the described element (25), wherein in described element (25), go up formation at least one axial passage (31) at the outer cover (30) of additional sections (23), described axial passage communicates with at least one radial passage (28) and continues to extend on away from the direction of bottom, described axial passage (31) feeds with the preceding height in described material room (14) and is formed in the annular pass (32) or ring segment passage in the described element (25), from described annular pass, each transition region (33) is led to each falculate described material room (14) by described additional sections (23) respectively.
5. valve actuation parts according to claim 1 is characterized in that, the falculate described material room (14) with described interlock face (9) is passed through milling process, the milling of for example disk or passed through crimping/punching press or turning formation.
6. valve actuation parts according to claim 1 and 2, it is characterized in that, as described structure member (4,2) the rotation fixed block (16) between is provided with for example main body of ball/pin, described main body is arranged in the recess (34) in the hole (3) of the outer cover (5) of described inner member (4) or described housing (2), and segmentation overlaps the channeling conduct in the cannelure (35) of the outer cover (5) of the hole (3) of described housing (2) or described inner member (4) (8) of described ring surface.
7. valve actuation parts according to claim 2, it is characterized in that, use for example locking ring of ring part as two described connection pistons (7) with respect to the rotation fixed block (15) in its described hole (6), described ring part is provided with concentrically with the axis of described valve actuation parts (1), extend in the circular groove (36) on the outer cover (5) of described inner member (4) and be arranged in and describedly be connected cutting of piston (7) and put down bore region on partly (13).
8. valve actuation parts according to claim 3 is characterized in that, described inner member (4) is configured to the thin-walled tubulose basically, and horizontal contact pin (38) extension of described inner member is being separated in the hole (6) of radially extending that is used for described connection piston (7).
CN200880010625A 2007-04-05 2008-03-12 Switchable valve train part Pending CN101680313A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US91034707P 2007-04-05 2007-04-05
US60/910,347 2007-04-05
DE102007016739A DE102007016739A1 (en) 2007-04-07 2007-04-07 Switchable valve drive part
DE102007016739.5 2007-04-07
PCT/EP2008/052938 WO2008122477A1 (en) 2007-04-05 2008-03-12 Switchable valve train part

Publications (1)

Publication Number Publication Date
CN101680313A true CN101680313A (en) 2010-03-24

Family

ID=39736266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200880010625A Pending CN101680313A (en) 2007-04-05 2008-03-12 Switchable valve train part

Country Status (6)

Country Link
EP (1) EP2132419B1 (en)
KR (1) KR101465280B1 (en)
CN (1) CN101680313A (en)
AT (1) ATE477402T1 (en)
DE (2) DE102007016739A1 (en)
WO (1) WO2008122477A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101883024B1 (en) 2010-12-13 2018-08-24 이턴 코포레이션 Pump actuator anti-rotation device
USD701243S1 (en) 2011-12-13 2014-03-18 Eaton Corporation Pump actuator anti-rotation device
US11339688B2 (en) 2020-01-29 2022-05-24 Borgwarner, Inc. Variable camshaft timing valve assembly

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983991A (en) * 1956-02-23 1961-05-16 Chrysler Corp Valve tappet and method of making
US2963011A (en) * 1959-06-29 1960-12-06 Gen Motors Corp Valve lifter
DE4206166B4 (en) * 1991-03-14 2004-11-04 Volkswagen Ag Variable valve train for a lifting valve of a machine
DE4225797C2 (en) * 1992-04-27 1995-01-05 Iav Motor Gmbh Valve train for charge exchange valves, preferably intake valves, of reciprocating piston internal combustion engines
US5361733A (en) * 1993-01-28 1994-11-08 General Motors Corporation Compact valve lifters
GB9306221D0 (en) * 1993-03-25 1993-05-19 Lotus Car Valve control means
DE4314619A1 (en) 1993-05-04 1994-11-10 Schaeffler Waelzlager Kg Pestle
DE19804952A1 (en) * 1998-02-07 1999-08-12 Daimler Chrysler Ag Disconnection control gear for an internal combustion engine valve
DE19844202A1 (en) * 1998-09-26 2000-03-30 Schaeffler Waelzlager Ohg Internal combustion engine valve tappet comprises inner and outer section coupled and decoupled via spring-powered slide in section mountings to maximize or zero gas valve stroke
US6321704B1 (en) * 1999-02-23 2001-11-27 Eaton Corporation Hydraulically actuated latching valve deactivation
DE19915532B4 (en) * 1999-04-07 2009-05-20 Schaeffler Kg Switchable valve drive member
US7263956B2 (en) 1999-07-01 2007-09-04 Delphi Technologies, Inc. Valve lifter assembly for selectively deactivating a cylinder
ES2243886T3 (en) * 2002-02-06 2005-12-01 Ina-Schaeffler Kg SWITCHING ELEMENT FOR A VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE.
CA2479264C (en) * 2002-02-06 2010-06-29 Ina-Schaeffler Kg Switching element for a valve drive of an internal combustion engine
DE102005020580B4 (en) * 2005-05-03 2017-06-14 Schaeffler Technologies AG & Co. KG Switchable cam follower

Also Published As

Publication number Publication date
EP2132419B1 (en) 2010-08-11
DE102007016739A1 (en) 2008-10-09
KR101465280B1 (en) 2014-11-26
WO2008122477A8 (en) 2009-12-03
DE502008001125D1 (en) 2010-09-23
EP2132419A1 (en) 2009-12-16
WO2008122477A1 (en) 2008-10-16
ATE477402T1 (en) 2010-08-15
KR20100015364A (en) 2010-02-12

Similar Documents

Publication Publication Date Title
US7207303B2 (en) Switching element
JP5820454B2 (en) Manufacturing method for ball planer used for hydraulic lash adjuster
US8677958B2 (en) Switchable lever for a valve drive of an internal combustion engine
US7954421B2 (en) Lightweight piston
CN105465311A (en) Mechanical system forming cam follower or rocker arm
CN104395563A (en) Valve bridge
US8146552B2 (en) Coupling device of a switchable cam follower of a valve train of an internal combustion engine
US20100037845A1 (en) Hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine
US8082896B2 (en) Switchable support element for a valve train of an internal combustion engine
WO2016119951A1 (en) Plunger assembly
DE102005030718A1 (en) Turn-off element for a valve train of an internal combustion engine
CN104428497A (en) A concentric camshaft arrangement
KR20120030074A (en) Arrangement comprising at least one dog clutch
CN101680313A (en) Switchable valve train part
CN108625919A (en) Cam driven roller apparatus
US20020035977A1 (en) Engageable cam follower or engageable lifter element
US8001940B2 (en) Switchable bucket tappet
US8240285B2 (en) Switchable cup tappet
US7793630B2 (en) Switchable component for a valve drive of an internal combustion engine
CN103291393A (en) Adjustable camshaft
CN101720382B (en) Switchable bucket tappet
US9810114B2 (en) Lubrication passageway for lubrication of cam follower assembly
CN105465310A (en) Mechanical system forming a cam follower or a rocker arm
US9447707B2 (en) Hydraulic support element
CN104285043A (en) Internal combustion engine having valve lifter assembly with misalignment limiting key pin

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: SCHAEFFLER TECHNOLOGIES GMBH + CO. KG

Free format text: FORMER OWNER: FAG KUGELFISCHER AG + CO. OHG

Effective date: 20120614

C41 Transfer of patent application or patent right or utility model
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: German Herzogenaurach

Applicant after: Schaeffler Technology Co.,Ltd.

Address before: German Herzogenaurach

Applicant before: SCHAEFFLER TECHNOLOGIES GmbH & Co.KG

TA01 Transfer of patent application right

Effective date of registration: 20120614

Address after: German Herzogenaurach

Applicant after: SCHAEFFLER TECHNOLOGIES GmbH & Co.KG

Address before: German Herzogenaurach

Applicant before: SCHAEFFLER KG

C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20100324