WO2005005788A1 - VERFAHREN ZUR HERSTELLUNG EINES AUßENHEBELS EINES SCHALTBAREN SCHLEPPHEBELS - Google Patents
VERFAHREN ZUR HERSTELLUNG EINES AUßENHEBELS EINES SCHALTBAREN SCHLEPPHEBELS Download PDFInfo
- Publication number
- WO2005005788A1 WO2005005788A1 PCT/EP2004/005922 EP2004005922W WO2005005788A1 WO 2005005788 A1 WO2005005788 A1 WO 2005005788A1 EP 2004005922 W EP2004005922 W EP 2004005922W WO 2005005788 A1 WO2005005788 A1 WO 2005005788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lever
- arms
- crossbar
- recess
- outer lever
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/205—Making machine elements valve parts rocker 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
-
- 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
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- 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
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
-
- 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
- F01L2001/186—Split rocking arms, e.g. rocker arms having two articulated parts and means for varying the relative position of these parts or for selectively connecting the parts to move in unison
-
- 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
- F01L2301/00—Using particular materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49295—Push rod or rocker arm making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49405—Valve or choke making
- Y10T29/49426—Valve or choke making including metal shaping and diverse operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49995—Shaping one-piece blank by removing material
Definitions
- the invention relates to a method for producing an outer lever of a toggle lever, which can be switched over to different strokes for at least one gas exchange valve, having the features of the preamble of claim 1.
- the object of the invention is therefore to present a cost-effective method for producing an outer lever for a reversible finger follower.
- this object is achieved by the following steps: a) deep-drawing a cup-shaped basic body of sheet metal or sheet metal strip such that on the one hand at least one drawing punch the sheet or sheet metal strip from a bottom of the arms to be formed attacks and the essential depth of the arms and crossbars in the cup-like basic body introduces, so that in cross-section an inverted U-shaped profile is formed; b) reducing a radius in the intersection between a bottom of the cup-like body and outsides of the arms by molding such as embossing or extrusion at least in the portion of the later-formed counter-run laugh and c) punching the bottom of the cup-like body at least except the two facing mating surfaces.
- the cup-shaped base body can also receive its intended depth in several drawing stages.
- the entire final geometry can be realized on a multi-stage punching and bending machine. Due to the embossing process after step b), which is shown here only as an example, a sharp-edged transition from the tops of the arms is created in the outer sides, so that a width of the mating surfaces is increased or the outer lever can build narrower overall. For the embossing process can ever a stamp on an outside of the arms and at least one stamp on an inner side of the arms and underside of the bottom are performed.
- a coupling of the levers with each other should be realized via a longitudinally displaceable from the inner element on the side of an end coupling means such as a pin, which engages under the coupling purpose an underside of the corresponding crossbar.
- the basic principle of longitudinal locking is exemplified by U.S. Pat. Reference may be made to this method step in the case of a transverse locking.
- mating surfaces for the cams can be represented by the punching process after step c) without additional measures.
- mating surfaces should be created for pichubno- cken. It is also conceivable and intended to apply a mating surface to only one of the arms. This in the event that only a Hubnocken attacks the outer lever.
- the bottom is completely punched / cut to the mating surfaces and possibly the neck or finger.
- the tops of the outer lever go directly into the corresponding inner surfaces of the arms or crossbar "smooth surface" over ü.
- the outer lever is reduced in terms of its mass.
- the counterparts are intended to run in the middle of the arms.
- Centered here refers to the longitudinal extension of the outer lever If appropriate, an off-center design, preferably further away from the pivot point of the outer lever, is conceivable.
- a further step d) can follow the method step c).
- this two mutually aligned receptacles for an axis for pivotal lent storage of the inner lever relative to the outer lever by punching or drilling or the like are prepared.
- Figure 1 shows a drag lever with outer and inner levers in a spatial view
- Figures 2 - 5 views of the outer lever with its corresponding manufacturing steps.
- the drag lever 2 (see FIG. 1) consists of the outer lever 1, which encloses, within its recess 10, an inner lever 11 which can be pivoted relative thereto. Both levers 1, 11 are mounted in the region of an end 6 on a common axis (not shown).
- the outer lever 1 has two substantially parallel arms 4, 5, which are connected at their ends 6, 7 by a respective cross bar 8, 9.
- the outer lever 1 has a rectangular or O-like geometry in plan view.
- Each arm 4, 5 has on its upper side 12, 13 each have a mating surface 14, 15 each for a cam, wherein functionally necessary only a mating surface 14 or 15 is.
- the inner lever 11 has on the side of the end 7 a not shown, longitudinally displaceable slide, which can be pushed for the coupling case of the lever 2, 11 under an underside of the crossbar 9 or in the crossbar 9 of the outer lever 1.
- a cup-shaped basic body 16 is deep-drawn, which is invertedly U-shaped in cross-section.
- the arrow "F" which can be removed from FIG. 2 stands for the direction of attack of the at least one deep-drawing die (several drawing stages are also conceivable).
- the substantial height of the arms 4, 5 and transverse bars 8, 9 in the base body 16 is generated.
- a laterally closed recess 23 (see Fig. 2) or open recess 22 (see Fig. 3) at the end 7 is introduced.
- a laterally closed recess 23 (see Fig. 2) or open recess 22 (see Fig. 3) at the end 7 is introduced.
- the outer sides 20, 21 of the arms 4, 5, on the bottom 19 and in a recess 10 of the base body 16 familiar to the expert embossing tools o. ⁇ . Created to a radius R ⁇ 2 in the interface between the bottom 19 and the outer sides 20, 21 drastically minimize.
- the bottom 19 is then punched out so that the upper sides 12, 13, except for the mating surfaces 14, 15, pass over relatively sharp-edged inner surfaces 25, 26 of the arms 3, 4 and that a recess 23 a, 23 b, of the recess 23, 23 b remains, which protrudes from the crossbar 9. Possibly. the aforementioned embossing can also be done after punching out the bottom 19.
- the punching of the bottom 19 can be realized in such a way that with the mating surfaces 14, 15 there remains a finger 24 pointing away from the crossbar 9 in the longitudinal direction of the lever, which is then bent upwards by about 90 °, in this case in the counterclockwise direction (see FIG. 4, 5).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture Of Switches (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/563,850 US7761988B2 (en) | 2003-07-09 | 2004-06-02 | Method of making an outer lever of a switchable finger lever |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10330881.4 | 2003-07-09 | ||
DE10330881A DE10330881A1 (de) | 2003-07-09 | 2003-07-09 | Verfahren zur Herstellung eines Außenhebels eines schaltbaren Schlepphebels |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005005788A1 true WO2005005788A1 (de) | 2005-01-20 |
Family
ID=33546920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/005922 WO2005005788A1 (de) | 2003-07-09 | 2004-06-02 | VERFAHREN ZUR HERSTELLUNG EINES AUßENHEBELS EINES SCHALTBAREN SCHLEPPHEBELS |
Country Status (4)
Country | Link |
---|---|
US (1) | US7761988B2 (de) |
KR (1) | KR101099263B1 (de) |
DE (1) | DE10330881A1 (de) |
WO (1) | WO2005005788A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005017409A1 (de) * | 2005-04-15 | 2006-10-19 | Schaeffler Kg | Außenteil eines schaltbaren Tassenstößels |
WO2020160848A1 (en) * | 2019-02-07 | 2020-08-13 | Eaton Intelligent Power Limited | A method of cold forming an outer arm of a rocker arm assembly |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9938865B2 (en) | 2008-07-22 | 2018-04-10 | Eaton Corporation | Development of a switching roller finger follower for cylinder deactivation in internal combustion engines |
US20190309663A9 (en) | 2008-07-22 | 2019-10-10 | Eaton Corporation | Development of a switching roller finger follower for cylinder deactivation in internal combustion engines |
US9581058B2 (en) | 2010-08-13 | 2017-02-28 | Eaton Corporation | Development of a switching roller finger follower for cylinder deactivation in internal combustion engines |
US9267396B2 (en) | 2010-03-19 | 2016-02-23 | Eaton Corporation | Rocker arm assembly and components therefor |
US9016252B2 (en) | 2008-07-22 | 2015-04-28 | Eaton Corporation | System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a hydraulic lash adjuster gallery |
US9284859B2 (en) | 2010-03-19 | 2016-03-15 | Eaton Corporation | Systems, methods, and devices for valve stem position sensing |
US9228454B2 (en) | 2010-03-19 | 2016-01-05 | Eaton Coporation | Systems, methods and devices for rocker arm position sensing |
US10415439B2 (en) | 2008-07-22 | 2019-09-17 | Eaton Intelligent Power Limited | Development of a switching roller finger follower for cylinder deactivation in internal combustion engines |
US8915225B2 (en) | 2010-03-19 | 2014-12-23 | Eaton Corporation | Rocker arm assembly and components therefor |
US9291075B2 (en) | 2008-07-22 | 2016-03-22 | Eaton Corporation | System to diagnose variable valve actuation malfunctions by monitoring fluid pressure in a control gallery |
US20100018276A1 (en) * | 2008-07-28 | 2010-01-28 | Edelmayer Thomas C | Sheet metal rocker arm with integrally formed cross member |
US11181013B2 (en) | 2009-07-22 | 2021-11-23 | Eaton Intelligent Power Limited | Cylinder head arrangement for variable valve actuation rocker arm assemblies |
US9194261B2 (en) | 2011-03-18 | 2015-11-24 | Eaton Corporation | Custom VVA rocker arms for left hand and right hand orientations |
US10087790B2 (en) | 2009-07-22 | 2018-10-02 | Eaton Corporation | Cylinder head arrangement for variable valve actuation rocker arm assemblies |
US9238385B2 (en) * | 2010-02-09 | 2016-01-19 | Stefan Griemla | Bicycle hub and method for the production thereof |
US9885258B2 (en) | 2010-03-19 | 2018-02-06 | Eaton Corporation | Latch interface for a valve actuating device |
US9874122B2 (en) | 2010-03-19 | 2018-01-23 | Eaton Corporation | Rocker assembly having improved durability |
DE102012210179A1 (de) * | 2012-06-18 | 2013-12-19 | Schaeffler Technologies AG & Co. KG | Hebelartiger Nockenfolger |
USD750670S1 (en) * | 2013-02-22 | 2016-03-01 | Eaton Corporation | Rocker arm |
DE112015000034T5 (de) | 2014-03-03 | 2015-11-19 | Eaton Corporation | Ventilbetätigungsvorrichtung und Verfahren zu deren Herstellung |
CN103801901B (zh) * | 2014-03-10 | 2016-06-08 | 南车株洲电力机车有限公司 | 一种b型地铁构架转臂定位座加工工艺 |
DE102014216056A1 (de) | 2014-08-13 | 2016-02-18 | Schaeffler Technologies AG & Co. KG | Verfahren zur Herstellung eines Außenhebels für einen schaltbaren Schlepphebel für einen Ventiltrieb einer Brennkraftmaschine |
USD797153S1 (en) * | 2016-07-13 | 2017-09-12 | Jason Kencevski | Roller rocker |
USD820320S1 (en) * | 2016-10-23 | 2018-06-12 | Jason Kencevski | Roller rocker |
DE102020125001A1 (de) | 2020-09-25 | 2022-03-31 | Schaeffler Technologies AG & Co. KG | Zwischenhebel für einen hubvariablen Ventiltrieb einer Brennkraftmaschine |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4913104A (en) * | 1988-11-30 | 1990-04-03 | Henley Manufacturing Corporation | Rocker arm for operating two valves |
US4944257A (en) * | 1989-09-27 | 1990-07-31 | Henley Manufacturing Holding Company, Inc. | Cold-formed rocker arm with bearing flanges and splash plate |
US5259346A (en) * | 1992-11-05 | 1993-11-09 | Henley Manufacturing Holding Company, Inc. | Rocker arm of the cam-follower type for operating two valves |
EP0849436A1 (de) * | 1996-12-18 | 1998-06-24 | Sandco Automotive Limited | Schlepphebel |
DE19930573A1 (de) * | 1999-07-02 | 2001-01-04 | Schaeffler Waelzlager Ohg | Ventiltrieb einer Brennkraftmaschine |
US6314928B1 (en) * | 2000-12-06 | 2001-11-13 | Ford Global Technologies, Inc. | Rocker arm assembly |
DE10030341A1 (de) * | 2000-06-20 | 2002-01-03 | Schaeffler Waelzlager Ohg | Verfahren zur Herstellung eines hebelartigen Nockenfolgers und hebelartiger Nockenfolger |
WO2004079164A1 (de) * | 2003-03-08 | 2004-09-16 | Ina-Schaeffler Kg | Schlepphebel eines ventiltriebs einer brennkraftmaschine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753197A1 (de) * | 1976-12-15 | 1978-06-22 | Eaton Corp | Ventilsteuervorrichtung |
DE2819356A1 (de) * | 1978-05-03 | 1979-11-08 | Bayerische Motoren Werke Ag | Schwinghebel fuer den ventiltrieb von brennkraftmaschinen |
US4430783A (en) * | 1980-03-27 | 1984-02-14 | Toledo Stamping & Manufacturing Company | Method of making a rocker arm |
US4624223A (en) * | 1980-03-27 | 1986-11-25 | Toledo Stamping & Manufacturing Company | Rocker arm and method of making same |
US4825717A (en) * | 1988-09-12 | 1989-05-02 | Henley Manufacturing Corporation | Rocker arm of the cam-follower type with ribs |
US4995281A (en) * | 1989-07-31 | 1991-02-26 | Ford Motor Company | Lightweight rocker arm |
US5016582A (en) * | 1990-10-12 | 1991-05-21 | Henley Manufacturing Holding Company, Inc. | Rocker arm |
WO1993014301A1 (en) * | 1992-01-07 | 1993-07-22 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Roller rocker arm and process for manufacturing the same |
US5544626A (en) * | 1995-03-09 | 1996-08-13 | Ford Motor Company | Finger follower rocker arm with engine valve deactivator |
DE19618417A1 (de) * | 1996-05-08 | 1997-11-13 | Schaeffler Waelzlager Kg | Betätigungshebel für eine mit Mehrventiltechnik ausgerüstete Brennkraftmaschine |
DE19631653A1 (de) * | 1996-08-05 | 1998-02-12 | Hatz Motoren | Kipphebel für eine Brennkraftmaschine |
DE19816020A1 (de) * | 1998-04-09 | 1999-10-14 | Volkswagen Ag | Schlepphebel |
DE19950990A1 (de) * | 1999-02-19 | 2000-08-24 | Schaeffler Waelzlager Ohg | Kipphebel für einen Ventiltrieb einer Brennkraftmaschine |
DE10059545B4 (de) * | 2000-11-30 | 2021-05-06 | Schaeffler Technologies AG & Co. KG | Verfahren zur Herstellung eines hebelartigen Nockenfolgers sowie Blechrohling in Form einer Platine zur Bildung eines hebelartigen Nokkenfolgers |
-
2003
- 2003-07-09 DE DE10330881A patent/DE10330881A1/de not_active Ceased
-
2004
- 2004-06-02 US US10/563,850 patent/US7761988B2/en not_active Expired - Fee Related
- 2004-06-02 KR KR1020067000281A patent/KR101099263B1/ko not_active IP Right Cessation
- 2004-06-02 WO PCT/EP2004/005922 patent/WO2005005788A1/de active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4913104A (en) * | 1988-11-30 | 1990-04-03 | Henley Manufacturing Corporation | Rocker arm for operating two valves |
US4944257A (en) * | 1989-09-27 | 1990-07-31 | Henley Manufacturing Holding Company, Inc. | Cold-formed rocker arm with bearing flanges and splash plate |
US5259346A (en) * | 1992-11-05 | 1993-11-09 | Henley Manufacturing Holding Company, Inc. | Rocker arm of the cam-follower type for operating two valves |
EP0849436A1 (de) * | 1996-12-18 | 1998-06-24 | Sandco Automotive Limited | Schlepphebel |
DE19930573A1 (de) * | 1999-07-02 | 2001-01-04 | Schaeffler Waelzlager Ohg | Ventiltrieb einer Brennkraftmaschine |
DE10030341A1 (de) * | 2000-06-20 | 2002-01-03 | Schaeffler Waelzlager Ohg | Verfahren zur Herstellung eines hebelartigen Nockenfolgers und hebelartiger Nockenfolger |
US6314928B1 (en) * | 2000-12-06 | 2001-11-13 | Ford Global Technologies, Inc. | Rocker arm assembly |
WO2004079164A1 (de) * | 2003-03-08 | 2004-09-16 | Ina-Schaeffler Kg | Schlepphebel eines ventiltriebs einer brennkraftmaschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005017409A1 (de) * | 2005-04-15 | 2006-10-19 | Schaeffler Kg | Außenteil eines schaltbaren Tassenstößels |
WO2020160848A1 (en) * | 2019-02-07 | 2020-08-13 | Eaton Intelligent Power Limited | A method of cold forming an outer arm of a rocker arm assembly |
Also Published As
Publication number | Publication date |
---|---|
US7761988B2 (en) | 2010-07-27 |
US20080189944A1 (en) | 2008-08-14 |
KR101099263B1 (ko) | 2011-12-26 |
DE10330881A1 (de) | 2005-01-27 |
KR20060029277A (ko) | 2006-04-05 |
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