BRPI0417681A - sistema e método para acionamento de válvula - Google Patents

sistema e método para acionamento de válvula

Info

Publication number
BRPI0417681A
BRPI0417681A BRPI0417681-2A BRPI0417681A BRPI0417681A BR PI0417681 A BRPI0417681 A BR PI0417681A BR PI0417681 A BRPI0417681 A BR PI0417681A BR PI0417681 A BRPI0417681 A BR PI0417681A
Authority
BR
Brazil
Prior art keywords
valve
engine
subsystem
actuation
providing
Prior art date
Application number
BRPI0417681-2A
Other languages
English (en)
Inventor
Yang Zhou
Brian Ruggiero
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 BRPI0417681A publication Critical patent/BRPI0417681A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/04—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

"SISTEMA E MéTODO PARA ACIONAMENTO DE VáLVULA". A presente invenção é direcionada a um sistema e método para acionar uma válvula de motor. Em uma modalidade, a presente invenção é um sistema para prover recirculação de gás de exaustão (egr) em um motor possuindo pelo menos uma válvula de motor, o sistema compreendendo: um dispositivo para imprimir um movimento de trem de válvula, um primeiro subsistema de acionamento de válvula para transferir movimento do dispositivo para imprimir movimento pa a válvula de motor, o primeiro subsistema de acionamento de válvula sendo capaz de prover acionamento de válvula para pelo menos uma parte de um evento de exaustão principal durante uma primeira condição de operação de motor, e um evento de exaustão completo durante uma segunda condição de operação de motor, e um segundo subsistema de acionamento de válvula para transferir movimento do dispositivo para transferir movimento para a válvula de motor, o segundo subsistema de acionamento de válvula sendo capaz de prover acionamento de válvula para um evento de recirculação de gás de exaustão durante a primeira condição de operação do motor.
BRPI0417681-2A 2003-12-30 2004-12-16 sistema e método para acionamento de válvula BRPI0417681A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53288903P 2003-12-30 2003-12-30
PCT/US2004/042476 WO2005065213A2 (en) 2003-12-30 2004-12-16 System and method for valve actuation

Publications (1)

Publication Number Publication Date
BRPI0417681A true BRPI0417681A (pt) 2007-03-20

Family

ID=34748828

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0417681-2A BRPI0417681A (pt) 2003-12-30 2004-12-16 sistema e método para acionamento de válvula

Country Status (6)

Country Link
US (1) US7069888B2 (pt)
EP (1) EP1702248A2 (pt)
KR (1) KR20060129345A (pt)
CN (1) CN1922395A (pt)
BR (1) BRPI0417681A (pt)
WO (1) WO2005065213A2 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7972746B2 (en) * 2005-10-14 2011-07-05 GM Global Technology Operations LLC Device to control the flow speed of media through a fuel cell stack
DE102006002145A1 (de) * 2006-01-17 2007-07-19 Daimlerchrysler Ag Gaswechselventilbetätigungsvorrichtung
DE102006037396A1 (de) * 2006-08-10 2008-02-14 Daimler Ag Brennkraftmaschine
WO2009074845A1 (en) * 2007-12-11 2009-06-18 Renault Trucks Operating method for an internal combustion engine in compression braking mode, internal combustion engine capable of operating in braking mode and automotive vehicle equipped with such an engine
JP5145133B2 (ja) * 2008-06-26 2013-02-13 本田技研工業株式会社 汎用エンジンの排気還流構造
US8689769B2 (en) 2010-05-12 2014-04-08 Caterpillar Inc. Compression-braking system
US9234467B2 (en) * 2012-02-23 2016-01-12 Jacobs Vehicle Systems, Inc. Engine system and operation method using engine braking mechanisms for early exhaust valve opening
US10132247B2 (en) * 2015-09-01 2018-11-20 Jacobs Vehicle Systems, Inc. Method and apparatus for combined exhaust and compression release engine braking
KR101941608B1 (ko) * 2017-03-24 2019-01-23 주식회사 코밸 엔진보호형 가스밸브트레인
WO2019191028A1 (en) * 2018-03-26 2019-10-03 Jacobs Vehicle Systems, Inc. Systems and methods for iegr using secondary intake valve motion and lost-motion reset
WO2021024186A1 (en) * 2019-08-05 2021-02-11 Jacobs Vehicles Systems, Inc. Combined positive power and cylinder deactivation operation with secondary valve event

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3220392A (en) * 1962-06-04 1965-11-30 Clessie L Cummins Vehicle engine braking and fuel control system
US4384558A (en) * 1981-08-03 1983-05-24 Cummins Engine Company, Inc. Engine compression brake employing automatic lash adjustment
US4742806A (en) * 1986-09-10 1988-05-10 Tart Jr Earl D Auxiliary engine braking system
US5485819A (en) * 1993-08-04 1996-01-23 Hino Jidosha Kogyo Kabushiki Kaisha Internal combustion engine
US5406918A (en) * 1993-08-04 1995-04-18 Hino Jidosha Kogyo Kabushiki Kaisha Internal combustion engine
US5386809A (en) * 1993-10-26 1995-02-07 Cummins Engine Company, Inc. Pressure relief valve for compression engine braking system
DE19519601C2 (de) * 1995-05-29 1997-04-03 Daimler Benz Ag Ventilantriebssytem für eine mehrzylindrige Brennkraftmaschine
US5996550A (en) * 1997-07-14 1999-12-07 Diesel Engine Retarders, Inc. Applied lost motion for optimization of fixed timed engine brake system
US6189504B1 (en) * 1997-11-24 2001-02-20 Diesel Engine Retarders, Inc. System for combination compression release braking and exhaust gas recirculation
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
CN101270693A (zh) * 2002-04-08 2008-09-24 柴油发动机减震器有限公司 用于实现气阀可变驱动的紧凑型空动系统
KR100751607B1 (ko) * 2002-09-12 2007-08-22 디이젤 엔진 리타더스, 인코포레이티드 내적 배기 가스 재순환 시스템 및 방법

Also Published As

Publication number Publication date
CN1922395A (zh) 2007-02-28
WO2005065213A3 (en) 2006-02-09
WO2005065213A2 (en) 2005-07-21
US20050145216A1 (en) 2005-07-07
KR20060129345A (ko) 2006-12-15
EP1702248A2 (en) 2006-09-20
US7069888B2 (en) 2006-07-04

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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]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

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: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.