BR112012002700B1 - Sistema hidráulico de movimento perdido para o acionamento de uma válvula de motor de combustão interna - Google Patents

Sistema hidráulico de movimento perdido para o acionamento de uma válvula de motor de combustão interna Download PDF

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Publication number
BR112012002700B1
BR112012002700B1 BR112012002700-0A BR112012002700A BR112012002700B1 BR 112012002700 B1 BR112012002700 B1 BR 112012002700B1 BR 112012002700 A BR112012002700 A BR 112012002700A BR 112012002700 B1 BR112012002700 B1 BR 112012002700B1
Authority
BR
Brazil
Prior art keywords
piston
valve
master piston
passages
fluid
Prior art date
Application number
BR112012002700-0A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112012002700A2 (pt
Inventor
John A. Schwoerer
John A Schwoerer
Original Assignee
Jacobs Vehicle Systems, Inc.
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 Jacobs Vehicle Systems, Inc. filed Critical Jacobs Vehicle Systems, Inc.
Publication of BR112012002700A2 publication Critical patent/BR112012002700A2/pt
Publication of BR112012002700B1 publication Critical patent/BR112012002700B1/pt

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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/146—Push-rods
    • 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
    • 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
    • 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
    • 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
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • F01L1/16—Silencing impact; Reducing wear
    • 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
    • F01L1/181—Centre 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • 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
    • F01L2305/00—Valve arrangements comprising rollers
    • 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
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/033—Hydraulic engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
BR112012002700-0A 2009-08-07 2010-08-06 Sistema hidráulico de movimento perdido para o acionamento de uma válvula de motor de combustão interna BR112012002700B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23229609P 2009-08-07 2009-08-07
US61/232.296 2009-08-07
PCT/US2010/044739 WO2011017631A1 (en) 2009-08-07 2010-08-06 Lost motion variable valve actuation system with valve catch piston

Publications (2)

Publication Number Publication Date
BR112012002700A2 BR112012002700A2 (pt) 2018-03-20
BR112012002700B1 true BR112012002700B1 (pt) 2020-06-02

Family

ID=43544691

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012002700-0A BR112012002700B1 (pt) 2009-08-07 2010-08-06 Sistema hidráulico de movimento perdido para o acionamento de uma válvula de motor de combustão interna

Country Status (7)

Country Link
US (1) US8516984B2 (https=)
EP (1) EP2462323B1 (https=)
JP (1) JP5740400B2 (https=)
KR (1) KR101552489B1 (https=)
CN (1) CN102472124B (https=)
BR (1) BR112012002700B1 (https=)
WO (1) WO2011017631A1 (https=)

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US8820276B2 (en) 1997-12-11 2014-09-02 Jacobs Vehicle Systems, Inc. Variable lost motion valve actuator and method
EP2981687B1 (en) 2013-03-31 2019-10-23 Jacobs Vehicle Systems, Inc. Controlling motion of a moveable part
EP3247888B1 (en) 2015-01-21 2024-01-03 Eaton Intelligent Power Limited Rocker arm assembly for engine braking
WO2017160379A1 (en) 2016-03-16 2017-09-21 Eaton Corporation Rocker arm assembly
US11092042B2 (en) 2015-01-21 2021-08-17 Eaton Intelligent Power Limited Rocker arm assembly with valve bridge
US12071867B2 (en) * 2015-01-21 2024-08-27 Eaton Intelligent Power Limited Rocker arm assembly with valve bridge
US10927724B2 (en) 2016-04-07 2021-02-23 Eaton Corporation Rocker arm assembly
US10690024B2 (en) 2015-01-21 2020-06-23 Eaton Corporation Rocker arm assembly for engine braking
KR20180008556A (ko) 2015-05-18 2018-01-24 이턴 에스알엘 어큐뮬레이터로서 작동하는 오일 배출 밸브를 갖는 로커 암
DE102015216287A1 (de) * 2015-08-26 2016-08-04 Schaeffler Technologies AG & Co. KG Schaltbares Ventiltriebsystem für Verbrennungsmotoren
WO2018014216A1 (zh) * 2016-07-19 2018-01-25 乐矣天 一种多功能进排气摇臂
CN106368755A (zh) * 2016-09-27 2017-02-01 浙江大学 可变气门配气机构
KR102642043B1 (ko) * 2018-09-10 2024-02-27 자콥스 비히클 시스템즈, 인코포레이티드. 로스트 모션 가변 밸브 작동 시스템 및 방법
CN109667638B (zh) * 2018-12-28 2020-06-02 潍柴动力股份有限公司 气门控制装置及发动机
EP3935271B1 (en) 2019-05-10 2024-12-11 Cummins, Inc. Valve train system for extended duration intake valve opening
KR20210041335A (ko) 2019-10-07 2021-04-15 현대자동차주식회사 압축 완화형 엔진 브레이크 장치
JP7526892B2 (ja) 2020-11-20 2024-08-01 ジェイコブス ビークル システムズ、インコーポレイテッド ロストモーションエンジンバルブ作動システム内のロッカー制御
US20230151743A1 (en) * 2020-11-20 2023-05-18 Jacobs Vehicle Systems, Inc. Lost motion rocker brake biasing and stroke limiting systems
WO2023174582A1 (en) 2022-03-15 2023-09-21 Eaton Intelligent Power Limited Valve bridge stabilizer for engine braking

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Also Published As

Publication number Publication date
EP2462323B1 (en) 2014-06-11
JP2013501870A (ja) 2013-01-17
BR112012002700A2 (pt) 2018-03-20
CN102472124A (zh) 2012-05-23
WO2011017631A1 (en) 2011-02-10
CN102472124B (zh) 2014-11-05
US20110067661A1 (en) 2011-03-24
EP2462323A1 (en) 2012-06-13
KR20120045047A (ko) 2012-05-08
US8516984B2 (en) 2013-08-27
JP5740400B2 (ja) 2015-06-24
EP2462323A4 (en) 2013-04-10
KR101552489B1 (ko) 2015-09-11

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/08/2010, OBSERVADAS AS CONDICOES LEGAIS.