EP1143120A3 - Valve deactivator assembly for internal combustion engine - Google Patents

Valve deactivator assembly for internal combustion engine Download PDF

Info

Publication number
EP1143120A3
EP1143120A3 EP01302059A EP01302059A EP1143120A3 EP 1143120 A3 EP1143120 A3 EP 1143120A3 EP 01302059 A EP01302059 A EP 01302059A EP 01302059 A EP01302059 A EP 01302059A EP 1143120 A3 EP1143120 A3 EP 1143120A3
Authority
EP
European Patent Office
Prior art keywords
hla
rocker arm
plunger
valve deactivator
deactivator assembly
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.)
Withdrawn
Application number
EP01302059A
Other languages
German (de)
French (fr)
Other versions
EP1143120A2 (en
Inventor
Keith Hampton
Richard Lee Madden
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
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Publication of EP1143120A2 publication Critical patent/EP1143120A2/en
Publication of EP1143120A3 publication Critical patent/EP1143120A3/en
Withdrawn legal-status Critical Current

Links

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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

A valve deactivator assembly (43) including a rocker arm (33) having a pivot location (39) about which the rocker arm (33) normally pivots in response to rotation of the cam shaft (25). The valve deactivator assembly includes an HLA (hydraulic lash adjuster) (41) which serves as the pivot point for the rocker arm. The HLA includes a body (49) and a plunger assembly (53), including a plunger portion (67) having an engagement portion (69) surrounding the plunger portion (67) and in engagement with the pivot portion (39) of the rocker arm. A latch mechanism (79-91) is operable to either latch the engagement portion (69) to the plunger portion, for operation in a normal mode, or unlatch the engagement portion, for operation in a deactivated mode. Thus, the latch mechanism of the present invention does not add to the overall size of the main part of the HLA, or of the bore (45) in the cylinder head (11) in which the HLA is located.
EP01302059A 2000-03-08 2001-03-06 Valve deactivator assembly for internal combustion engine Withdrawn EP1143120A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52105400A 2000-03-08 2000-03-08
US521054 2000-03-08

Publications (2)

Publication Number Publication Date
EP1143120A2 EP1143120A2 (en) 2001-10-10
EP1143120A3 true EP1143120A3 (en) 2001-10-24

Family

ID=24075137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01302059A Withdrawn EP1143120A3 (en) 2000-03-08 2001-03-06 Valve deactivator assembly for internal combustion engine

Country Status (3)

Country Link
EP (1) EP1143120A3 (en)
JP (1) JP2001271620A (en)
KR (1) KR20010089206A (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10146131A1 (en) 2001-09-19 2003-04-03 Ina Schaeffler Kg Switching element for a valve train of an internal combustion engine
DE10330510A1 (en) * 2003-07-05 2005-01-27 Ina-Schaeffler Kg Support element for controlled cam follower of valve gear of internal combustion engine has two paths extending from outer casing of housing for differently pressurized hydraulic medium through support element
US6901893B1 (en) * 2004-04-15 2005-06-07 Stanadyne Corporation Valve deactivator assembly
DE102005010750A1 (en) * 2005-03-09 2006-09-14 Schaeffler Kg Assembly of a valve train of an internal combustion engine
US7121241B1 (en) 2006-01-10 2006-10-17 Eaton Corporation Valve control system including deactivating rocker arm
US7484484B2 (en) * 2006-03-14 2009-02-03 Gm Global Technology Operations, Inc. Cylinder deactivation apparatus incorporating a distributed accumulator
DE102006045017A1 (en) * 2006-09-23 2008-03-27 Schaeffler Kg Double flow hydraulic supporting unit for adjustable cam follower, has path led axially upwards from passage to pressure piston into deviating section between bases of pot shaped sections
JP5110690B2 (en) * 2006-12-15 2012-12-26 現代自動車株式会社 Rocker arm device for cylinder deactivation
DE102007002787A1 (en) 2007-01-18 2008-07-24 Schaeffler Kg Switchable support element for a valve train of an internal combustion engine
JP4711977B2 (en) * 2007-01-18 2011-06-29 株式会社オティックス Variable valve mechanism and lash adjuster used therefor
JP4833142B2 (en) * 2007-04-17 2011-12-07 株式会社オティックス Rush adjuster
DE102007041844A1 (en) * 2007-09-04 2009-03-05 Schaeffler Kg Switchable support element for a valve train of an internal combustion engine
JP4866328B2 (en) * 2007-10-05 2012-02-01 株式会社オティックス Variable valve mechanism
JP5069140B2 (en) * 2008-02-08 2012-11-07 株式会社オティックス Variable valve mechanism
US20190309663A9 (en) 2008-07-22 2019-10-10 Eaton Corporation Development of a switching roller finger follower for cylinder deactivation in internal combustion engines
US9228454B2 (en) 2010-03-19 2016-01-05 Eaton Coporation Systems, methods and devices for rocker arm position sensing
DE102009019680A1 (en) 2009-04-30 2010-11-11 Schaeffler Technologies Gmbh & Co. Kg Valve train system
US11181013B2 (en) 2009-07-22 2021-11-23 Eaton Intelligent Power Limited Cylinder head arrangement for variable valve actuation rocker arm assemblies
US9885258B2 (en) 2010-03-19 2018-02-06 Eaton Corporation Latch interface for a valve actuating device
DE102011104056A1 (en) * 2011-06-11 2012-12-13 Neumayer Tekfor Holding Gmbh Cam follower for cylinder head of combustion engine, has first contact region for valve of combustion engine and second contact region for support element of engine
JP2019065860A (en) * 2012-11-05 2019-04-25 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ Development of switching roller finger follower for cylinder deactivation in internal combustion engine
WO2015083654A1 (en) * 2013-12-06 2015-06-11 ヤマハ発動機株式会社 Valve gear for engine
DE102014212272A1 (en) * 2014-06-26 2015-12-31 Schaeffler Technologies AG & Co. KG supporting
DE102015221042A1 (en) 2015-02-13 2016-08-18 Schaeffler Technologies AG & Co. KG Valve operating lever with cam contact roller
CN111164279B (en) * 2017-08-25 2022-04-05 伊顿智能动力有限公司 Low stroke deactivation lash adjuster in combination with two-step variable valve lift rocker arm
CN113474540B (en) * 2019-01-24 2023-09-01 伊顿智能动力有限公司 Rocker arm assembly with lash management for cylinder deactivation and engine braking configurations
CN116529462A (en) * 2020-11-10 2023-08-01 伊顿智能动力有限公司 Latch pin assembly and deactivating rocker arm assembly
CN116867956A (en) * 2021-03-11 2023-10-10 伊顿智能动力有限公司 Variable valve lift rocker arm assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610218A (en) * 1970-04-13 1971-10-05 Roger Owen Durham Desmodromic valve actuator
JPS60150413A (en) * 1984-01-19 1985-08-08 Mitsubishi Motors Corp Valve controlling device for engine tappet valve mechanism
JPS61201807A (en) * 1985-03-04 1986-09-06 Honda Motor Co Ltd Valve pause device of internal-combustion engine
EP0634564A1 (en) * 1993-07-14 1995-01-18 Bayerische Motoren Werke Aktiengesellschaft Deactivating device for internal combustion engine valve
DE19838909A1 (en) * 1998-08-27 2000-03-02 Schaeffler Waelzlager Ohg Switchable valve train of an internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9319435U1 (en) 1993-12-17 1994-02-10 Schaeffler Waelzlager Kg Switchable support element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610218A (en) * 1970-04-13 1971-10-05 Roger Owen Durham Desmodromic valve actuator
JPS60150413A (en) * 1984-01-19 1985-08-08 Mitsubishi Motors Corp Valve controlling device for engine tappet valve mechanism
JPS61201807A (en) * 1985-03-04 1986-09-06 Honda Motor Co Ltd Valve pause device of internal-combustion engine
EP0634564A1 (en) * 1993-07-14 1995-01-18 Bayerische Motoren Werke Aktiengesellschaft Deactivating device for internal combustion engine valve
DE19838909A1 (en) * 1998-08-27 2000-03-02 Schaeffler Waelzlager Ohg Switchable valve train of an internal combustion engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 009, no. 316 (M - 438) 12 December 1985 (1985-12-12) *
PATENT ABSTRACTS OF JAPAN vol. 011, no. 028 (M - 557) 27 January 1987 (1987-01-27) *

Also Published As

Publication number Publication date
JP2001271620A (en) 2001-10-05
KR20010089206A (en) 2001-09-29
EP1143120A2 (en) 2001-10-10

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