JP2011236912A - 油圧式ラッシュアジャスターに使用する冷間成形した平坦頂部のプランジャー及び該プランジャーの製造方法 - Google Patents

油圧式ラッシュアジャスターに使用する冷間成形した平坦頂部のプランジャー及び該プランジャーの製造方法 Download PDF

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Publication number
JP2011236912A
JP2011236912A JP2011106252A JP2011106252A JP2011236912A JP 2011236912 A JP2011236912 A JP 2011236912A JP 2011106252 A JP2011106252 A JP 2011106252A JP 2011106252 A JP2011106252 A JP 2011106252A JP 2011236912 A JP2011236912 A JP 2011236912A
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Japan
Prior art keywords
plunger
cold
flat top
blank
forming
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
JP2011106252A
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English (en)
Japanese (ja)
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JP2011236912A5 (https=
Inventor
Gary Janowiak
ジャノーウィアック ガーリー
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.)
Eaton Corp
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Eaton Corp
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Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of JP2011236912A publication Critical patent/JP2011236912A/ja
Publication of JP2011236912A5 publication Critical patent/JP2011236912A5/ja
Pending legal-status Critical Current

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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
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • Y10T29/49298—Poppet or I.C. engine valve or valve seat making
    • Y10T29/49304—Valve tappet making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Forging (AREA)
JP2011106252A 2010-05-11 2011-05-11 油圧式ラッシュアジャスターに使用する冷間成形した平坦頂部のプランジャー及び該プランジャーの製造方法 Pending JP2011236912A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/777573 2010-05-11
US12/777,573 US8555842B2 (en) 2010-05-11 2010-05-11 Cold-formed flat top plunger for use in a hydraulic lash adjuster and method of making same

Publications (2)

Publication Number Publication Date
JP2011236912A true JP2011236912A (ja) 2011-11-24
JP2011236912A5 JP2011236912A5 (https=) 2014-06-19

Family

ID=44276018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011106252A Pending JP2011236912A (ja) 2010-05-11 2011-05-11 油圧式ラッシュアジャスターに使用する冷間成形した平坦頂部のプランジャー及び該プランジャーの製造方法

Country Status (4)

Country Link
US (1) US8555842B2 (https=)
EP (1) EP2386730B1 (https=)
JP (1) JP2011236912A (https=)
CN (1) CN102242808B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100071649A1 (en) * 2008-09-23 2010-03-25 Eaton Corporation Ball plunger for use in a hydraulic lash adjuster and method of making same
JP5943854B2 (ja) * 2013-02-15 2016-07-05 株式会社オティックス ラッシュアジャスタ
US9157340B2 (en) 2013-03-25 2015-10-13 GT Technologies Dual feed hydraulic lash adjuster for valve actuating mechanism
CN103212947B (zh) * 2013-04-18 2015-08-05 深圳市富泰和精密制造有限公司 气门挺杆的加工方法
USD785047S1 (en) 2014-07-26 2017-04-25 Eaton Corporation Pivot plunger
CN104632314B (zh) * 2014-12-27 2017-09-19 海盐闻中冷挤压有限公司 一种低成本液压挺杆制造工艺
WO2021008734A1 (en) * 2019-07-18 2021-01-21 Eaton Intelligent Power Limited Hla arrangement using cold formed plunger & manufacturing simplifications
CN115233962B (zh) * 2022-07-08 2023-03-21 广州达蒙安防科技有限公司 造楼机调平组件及方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862305A (ja) * 1981-10-08 1983-04-13 Nissan Motor Co Ltd ハイドロリツク・リフタ
JPS5888412A (ja) * 1981-11-20 1983-05-26 Honda Motor Co Ltd 頭上弁式動弁機構
JPS6018207U (ja) * 1983-07-18 1985-02-07 日産ディーゼル工業株式会社 内燃機関のオ−トアジヤスタ
JP2006125284A (ja) * 2004-10-28 2006-05-18 Toyota Motor Corp 内燃機関の動弁系の製造方法
JP2006274864A (ja) * 2005-03-28 2006-10-12 Toyota Motor Corp ダイアフラム及びラッシュアジャスタ
JP2007077948A (ja) * 2005-09-16 2007-03-29 Toyota Motor Corp 内燃機関の可変動弁機構
WO2010035131A1 (en) * 2008-09-23 2010-04-01 Eaton Corporation Ball plunger for use in a hydraulic lash adjuster and method of making same

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Publication number Priority date Publication date Assignee Title
US2681644A (en) 1950-01-05 1954-06-22 Gen Motors Corp Hydraulic lash adjuster
US4083334A (en) 1973-04-26 1978-04-11 Carlos Alberto Ferrari Roncon Hydraulic valve lifter
US4227495A (en) 1978-09-21 1980-10-14 Eaton Corporation Hydraulic lash adjuster with oil reservoir separator
US4367701A (en) 1979-12-05 1983-01-11 Eaton Corporation Acting valve gear
JPS59209440A (ja) 1983-05-12 1984-11-28 Honda Motor Co Ltd バルブラツシユアジヤスタ用プランジヤの製造方法
US4807576A (en) * 1985-10-15 1989-02-28 Honda Giken Kogyo Kabushiki Kaisha Hydraulic lash adjuster for use in valve operating mechanism
US4903651A (en) 1987-10-29 1990-02-27 Honda Giken Kogyo Kabushiki Kaisha Rocker arm clearance removing device
JPH01216007A (ja) 1988-02-25 1989-08-30 Atsugi Motor Parts Co Ltd バルブラツシユアジヤスタ用プランジヤ及びその製造方法
GB2221279B (en) 1988-07-22 1992-07-29 Ntn Toyo Bearing Co Ltd Belt autotensioner
US5515819A (en) 1994-11-04 1996-05-14 Eaton Corporation Biasing assembly for a variable valve timing mechanism
US5509385A (en) 1995-06-15 1996-04-23 Precision Engine Products Corp. Hydraulic lash adjuster metering valve
US5642694A (en) 1996-05-24 1997-07-01 General Motors Corporation Integral formed oil column extender for hydraulic lash adjuster
US5706771A (en) 1996-12-23 1998-01-13 General Motors Corporation Hydraulic element assembly
US5855191A (en) 1997-06-23 1999-01-05 Eaton Corporation Metering valve for ball plunger or pushrod socket
US5901676A (en) 1997-08-28 1999-05-11 Eaton Corporation Hydraulic lash compensator
US6325034B1 (en) 2000-12-06 2001-12-04 Eaton Corporation Hydraulic lash adjuster
DE10100668B4 (de) 2001-01-09 2005-07-14 ZF Lemförder Metallwaren AG Verfahren zur Herstellung eines Kugelgelenkgehäuses
CA2343285C (en) 2001-04-05 2004-06-15 Proline Pipe Equipment Inc. Actuation system for an internal backup ring assembly
US7273026B2 (en) 2002-10-18 2007-09-25 Maclean-Fogg Company Roller follower body
US7293540B2 (en) 2002-10-18 2007-11-13 Maclean-Fogg Company Valve operating assembly and method of manufacturing
US7128034B2 (en) 2002-10-18 2006-10-31 Maclean-Fogg Company Valve lifter body
US7191745B2 (en) 2002-10-18 2007-03-20 Maclean-Fogg Company Valve operating assembly
US7028654B2 (en) 2002-10-18 2006-04-18 The Maclean-Fogg Company Metering socket
US6871622B2 (en) 2002-10-18 2005-03-29 Maclean-Fogg Company Leakdown plunger
US7047925B2 (en) 2004-03-03 2006-05-23 Delphi Technologies, Inc. Dual feed hydraulic lash adjuster
DE102004032240A1 (de) 2004-07-03 2006-02-09 Bayerische Motoren Werke Ag Spielausgleichselement
US20060016405A1 (en) 2004-07-23 2006-01-26 Harris Wayne S Hydraulic lash adjuster having a simplified plunger
JP2007040291A (ja) 2005-06-28 2007-02-15 Hitachi Ltd 内燃機関の可変動弁装置
US7350491B2 (en) 2005-10-24 2008-04-01 Eaton Corporation Lash adjuster and valve system
US20080277034A1 (en) 2007-05-09 2008-11-13 The Penn State Research Foundation Strain weakening of metallic materials
US7845327B2 (en) 2007-08-19 2010-12-07 Ford Global Technologies, Llc Hydraulic lash adjuster with damping device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862305A (ja) * 1981-10-08 1983-04-13 Nissan Motor Co Ltd ハイドロリツク・リフタ
JPS5888412A (ja) * 1981-11-20 1983-05-26 Honda Motor Co Ltd 頭上弁式動弁機構
JPS6018207U (ja) * 1983-07-18 1985-02-07 日産ディーゼル工業株式会社 内燃機関のオ−トアジヤスタ
JP2006125284A (ja) * 2004-10-28 2006-05-18 Toyota Motor Corp 内燃機関の動弁系の製造方法
JP2006274864A (ja) * 2005-03-28 2006-10-12 Toyota Motor Corp ダイアフラム及びラッシュアジャスタ
JP2007077948A (ja) * 2005-09-16 2007-03-29 Toyota Motor Corp 内燃機関の可変動弁機構
WO2010035131A1 (en) * 2008-09-23 2010-04-01 Eaton Corporation Ball plunger for use in a hydraulic lash adjuster and method of making same

Also Published As

Publication number Publication date
US20110277715A1 (en) 2011-11-17
EP2386730A1 (en) 2011-11-16
US8555842B2 (en) 2013-10-15
CN102242808A (zh) 2011-11-16
EP2386730B1 (en) 2018-09-19
CN102242808B (zh) 2015-11-25

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