BR112012025575A2 - pedestal de eixo oscilante que incorpora um sistema de acionamento de válvula de motor ou freio motor. - Google Patents

pedestal de eixo oscilante que incorpora um sistema de acionamento de válvula de motor ou freio motor.

Info

Publication number
BR112012025575A2
BR112012025575A2 BR112012025575A BR112012025575A BR112012025575A2 BR 112012025575 A2 BR112012025575 A2 BR 112012025575A2 BR 112012025575 A BR112012025575 A BR 112012025575A BR 112012025575 A BR112012025575 A BR 112012025575A BR 112012025575 A2 BR112012025575 A2 BR 112012025575A2
Authority
BR
Brazil
Prior art keywords
oscillating shaft
hydraulic fluid
oscillating
valve
drive system
Prior art date
Application number
BR112012025575A
Other languages
English (en)
Inventor
Yan Dong
E Fuchs Neil
s perkins Robert
Kacmarcik Steve
S Meistrick Zdenek
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 BR112012025575A2 publication Critical patent/BR112012025575A2/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
    • F01L1/20—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
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/08—Shape of cams
    • 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
    • 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
    • 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
    • F01L1/2411—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the valve stem and rocker arm
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • F01L13/065—Compression release engine retarders of the "Jacobs Manufacturing" type
    • 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
    • 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
    • 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
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/10—Providing exhaust gas recirculation [EGR]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/01—Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

pedestal de eixo oscilante que incorpora um sistema de acionamento de válvula de motor ou freio motor. a presente invenção se refere a um sistema para acionar uma válvula de motor. o sistema pode incluir um eixo oscilante que tem um circuito de suprimento de fluido hidráulico que se estende através do eixo oscilante até uma porta na superfície externa do eixo oscilante e uma válvula solenóide adaptada para fornecer seletivamente o fluido hidráulico para o eixo oscilante circuito de suprimento de fluido hidráulico. o eixo oscilante pode ser suportado por um ou mais pedestais de eixo oscilante. um alojamento de movimento perdido pode ser incorporado em um pedestal de eixo oscilante e disposto ao redor do eixo oscilante. o alojamento de movimento perdido pode ter uma montagem de pistão do atuador e uma montagem de válvula de controle conectadas por um circuito hidráulico interno. o alojamento de movimento perdido pode ser mantido em uma posição fixa em relação ao eixo oscilante. a tubulação de fluido hidráulico pode ser proporcionada entre a válvula solenóide e a válvula de controle sob a forma de tubos de ponte que se estendem entre eixos oscilantes adjacentes ou sob a forma de tubos de fluido hidráulico externo que se estendem de válvula de controle para válvula de controle.
BR112012025575A 2010-04-05 2011-04-05 pedestal de eixo oscilante que incorpora um sistema de acionamento de válvula de motor ou freio motor. BR112012025575A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/754,346 US8528508B2 (en) 2007-03-16 2010-04-05 Individual rocker shaft and pedestal mounted engine brake
PCT/US2011/031272 WO2011127068A1 (en) 2010-04-05 2011-04-05 Rocker shaft pedestal incorporating an engine valve actuation system or engine brake

Publications (1)

Publication Number Publication Date
BR112012025575A2 true BR112012025575A2 (pt) 2019-09-24

Family

ID=44763249

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012025575A BR112012025575A2 (pt) 2010-04-05 2011-04-05 pedestal de eixo oscilante que incorpora um sistema de acionamento de válvula de motor ou freio motor.

Country Status (7)

Country Link
US (1) US8528508B2 (pt)
EP (1) EP2556219A4 (pt)
JP (1) JP2013524093A (pt)
KR (1) KR20130018851A (pt)
CN (1) CN103228876B (pt)
BR (1) BR112012025575A2 (pt)
WO (1) WO2011127068A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8820276B2 (en) 1997-12-11 2014-09-02 Jacobs Vehicle Systems, Inc. Variable lost motion valve actuator and method
US20100108007A1 (en) * 2007-03-16 2010-05-06 Jacobs Vehicle Systems, Inc. Rocker shaft mounted engine brake
USD747358S1 (en) * 2014-05-09 2016-01-12 Garth Cody Nichols Roller bridge
USD747359S1 (en) * 2014-05-09 2016-01-12 Garth Cody Nichols Roller bridge
WO2016044748A1 (en) 2014-09-18 2016-03-24 Jacobs Vehicle Systems, Inc. Lost motion assembly in a valve bridge for use with a valve train comprising a hydraulic lash adjuster
EP3298251B1 (en) 2015-05-18 2020-01-01 Eaton Intelligent Power Limited Rocker arm having oil release valve that operates as an accumulator
USD833482S1 (en) 2015-07-13 2018-11-13 Eaton Corporation Rocker arm
USD791190S1 (en) 2015-07-13 2017-07-04 Eaton Corporation Rocker arm assembly
USD813124S1 (en) * 2015-08-31 2018-03-20 Cummins Inc. Rocker for compression relief brake
USD836505S1 (en) * 2015-08-31 2018-12-25 Cummins Inc. Compression relief brake assembly
USD808872S1 (en) * 2015-09-11 2018-01-30 Eaton S.R.L. Rocker arm for engine brake
USD839310S1 (en) 2015-09-11 2019-01-29 Eaton Intelligent Power Limited Valve bridge
USD830414S1 (en) * 2015-12-10 2018-10-09 Eaton S.R.L. Roller rocker arm of an engine
DE102015016526A1 (de) * 2015-12-19 2017-06-22 Daimler Ag Verfahren zum Betreiben einer Hubkolben-Verbrennungskraftmaschine
CN106545371B (zh) * 2017-01-23 2022-03-22 广西玉柴机器股份有限公司 发动机凸轮轴的排气凸轮
WO2021047797A1 (en) * 2019-09-13 2021-03-18 Eaton Intelligent Power Limited Dual latch pin type iii rocker arm assembly
WO2021076698A1 (en) 2019-10-15 2021-04-22 Cummins Inc. An exhaust valve opening system
CN112211690B (zh) * 2020-12-02 2021-03-02 江苏卓联精密机械有限公司 分体摇臂与气门桥组合式发动机气门双活塞液压驱动装置

Family Cites Families (20)

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US2789549A (en) * 1954-04-14 1957-04-23 Gen Motors Corp Articulated engine cam shaft and accessory system
US3809033A (en) * 1972-07-11 1974-05-07 Jacobs Mfg Co Rocker arm engine brake system
US5379737A (en) * 1993-08-26 1995-01-10 Jacobs Brake Technology Corporation Electrically controlled timing adjustment for compression release engine brakes
US5975251A (en) * 1998-04-01 1999-11-02 Diesel Engine Retarders, Inc. Rocker brake assembly with hydraulic lock
US6314926B1 (en) * 1999-05-24 2001-11-13 Jenera Enterprises Ltd Valve control apparatus
US6394050B1 (en) * 1999-09-15 2002-05-28 Diesel Engine Retarders, Inc. Actuator piston assembly for a rocker arm system
US6394067B1 (en) * 1999-09-17 2002-05-28 Diesel Engine Retardersk, Inc. Apparatus and method to supply oil, and activate rocker brake for multi-cylinder retarding
JP3561467B2 (ja) * 2000-10-25 2004-09-02 本田技研工業株式会社 エンジンの動弁制御装置
US6594996B2 (en) * 2001-05-22 2003-07-22 Diesel Engine Retarders, Inc Method and system for engine braking in an internal combustion engine with exhaust pressure regulation and turbocharger control
US7152576B2 (en) * 2002-04-08 2006-12-26 Richard Vanderpoel Compact lost motion system for variable value actuation
EP2325460B1 (en) * 2002-04-08 2012-12-05 Jacobs Vehicle Systems, Inc. Compact lost motion system for variable valve actuation
US6694933B1 (en) * 2002-09-19 2004-02-24 Diesel Engine Retarders, Inc. Lost motion system and method for fixed-time valve actuation
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US7392772B2 (en) * 2004-05-06 2008-07-01 Jacobs Vehicle Systems, Inc. Primary and offset actuator rocker arms for engine valve actuation
EP1969207A4 (en) * 2005-12-28 2012-03-07 Jacobs Vehicle Systems Inc METHOD AND SYSTEM FOR PART CYCLE VENTILATION BRAKES
KR20090089344A (ko) * 2006-10-27 2009-08-21 자콥스 비히클 시스템즈, 인코포레이티드. 엔진 브레이크 장치
EP2137386B1 (en) * 2007-03-16 2012-09-26 Jacobs Vehicle Systems, Inc. Engine brake having an articulate rocker arm and a rocker shaft mounted housing
US20100108007A1 (en) * 2007-03-16 2010-05-06 Jacobs Vehicle Systems, Inc. Rocker shaft mounted engine brake
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US7712449B1 (en) * 2009-05-06 2010-05-11 Jacobs Vehicle Systems, Inc. Lost motion variable valve actuation system for engine braking and early exhaust opening

Also Published As

Publication number Publication date
US8528508B2 (en) 2013-09-10
CN103228876B (zh) 2016-01-20
CN103228876A (zh) 2013-07-31
WO2011127068A8 (en) 2013-05-02
WO2011127068A1 (en) 2011-10-13
US20100251983A1 (en) 2010-10-07
KR20130018851A (ko) 2013-02-25
EP2556219A4 (en) 2013-12-11
JP2013524093A (ja) 2013-06-17
EP2556219A1 (en) 2013-02-13

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2543 DE 01-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.