AR063908A1 - Dispositivo de frenado por descompresion para motores endotermicos - Google Patents

Dispositivo de frenado por descompresion para motores endotermicos

Info

Publication number
AR063908A1
AR063908A1 ARP070105199A ARP070105199A AR063908A1 AR 063908 A1 AR063908 A1 AR 063908A1 AR P070105199 A ARP070105199 A AR P070105199A AR P070105199 A ARP070105199 A AR P070105199A AR 063908 A1 AR063908 A1 AR 063908A1
Authority
AR
Argentina
Prior art keywords
levers
braking device
decompression braking
actuate
bushings
Prior art date
Application number
ARP070105199A
Other languages
English (en)
Inventor
Pietro Bianchi
Original Assignee
Iveco Spa
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 Iveco Spa filed Critical Iveco Spa
Publication of AR063908A1 publication Critical patent/AR063908A1/es

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
    • 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
    • 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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
    • F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric

Landscapes

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

Abstract

Se proporciona un dispositivo de frenado por descompresión que se usa en motores endotérmicos (1) del tipo que comprende un eje de palanca (2), en el cual una pluralidad de bujes excéntricos (31) de una correspondiente pluralidad de palancas (3) dispuestas con empujaválvulas (4) se montan de manera giratoria y excéntrica para accionar una pluralidad de válvulas de escape (5), y un árbol de levas (30) para accionar dicha pluralidad de palancas (3), el dispositivo se caracteriza porque comprende una pieza de accionamiento (6, 61), montada en posición externa a dicho eje de palanca (2) y conectada a este último a través de medios de unión (8, 9, 10); de manera tal que la respectiva rotación de dichos bujes (31) en un valor angular predeterminado ( ), con el consecuente desplazamiento del eje abisagrado de dichas palancas (3), corresponde a cada excursión de dicha pieza de accionamiento (6, 60).
ARP070105199A 2006-11-28 2007-11-22 Dispositivo de frenado por descompresion para motores endotermicos AR063908A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002289A ITMI20062289A1 (it) 2006-11-28 2006-11-28 Dispositivo per la frenatura per decompressione in motori endotermici

Publications (1)

Publication Number Publication Date
AR063908A1 true AR063908A1 (es) 2009-02-25

Family

ID=37774273

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070105199A AR063908A1 (es) 2006-11-28 2007-11-22 Dispositivo de frenado por descompresion para motores endotermicos

Country Status (10)

Country Link
US (1) US7992540B2 (es)
EP (1) EP1927735B1 (es)
CN (1) CN101191429B (es)
AR (1) AR063908A1 (es)
AT (1) ATE486199T1 (es)
BR (1) BRPI0705979A2 (es)
DE (1) DE602007010071D1 (es)
ES (1) ES2355277T3 (es)
IT (1) ITMI20062289A1 (es)
RU (1) RU2455500C2 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20062288A1 (it) * 2006-11-28 2008-05-29 Iveco Spa Motore a combustione interna dotato di sistema per la variazione dell'apertura delle valvole e veicolo dotato di tale motore
JP5171427B2 (ja) * 2008-06-23 2013-03-27 ダイハツ工業株式会社 内燃機関におけるカム角度センサの取付け装置
IT1397350B1 (it) 2009-06-11 2013-01-10 Streparava S P A Gruppo di azionamento per un freno motore di un autoveicolo.
EP2386729A1 (en) 2010-05-10 2011-11-16 Fiat Powertrain Technologies S.p.A. Multi-cylinder internal combustion engine with variable actuation of the engine valves
CN103089366B (zh) * 2013-01-18 2015-06-10 奇瑞汽车股份有限公司 一种发动机中的凸轮组件、发动机制动装置以及汽车
WO2018104872A1 (en) * 2016-12-05 2018-06-14 Eaton S.R.L. Heavy duty variable valve actuation
IT201600130806A1 (it) 2016-12-23 2018-06-23 Fpt Motorenforschung Ag Metodo per eseguire un riscaldamento di un sistema di post trattamento di un motore a combustione interna ed il motore a combustione interna predisposto per attuare detto metodo
JP2023550128A (ja) 2020-12-03 2023-11-30 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 内燃エンジンにおけるバルブ作動を制御するための回転アクチュエータシステム

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812787A (en) 1929-06-05 1931-06-30 Ora M Doolittle Braking attachment for vehicle motors
US2880711A (en) 1958-02-05 1959-04-07 Henry A Roan Variable valve timing mechanism for engines
DE1964020U (de) * 1967-04-15 1967-07-13 Fichtel & Sachs Ag Dekompressionsvorrichtung fuer ventilgesteuerte brennkraftmaschinen, insbesondere einspritz-brennkraftmaschinen.
SU523999A1 (ru) * 1975-04-14 1976-08-05 Предприятие П/Я А-1877 Устройство дл привода клапана двигател внутреннего сгорани
US4664233A (en) * 1984-09-27 1987-05-12 Honda Giken Kogyo Kabushiki Kaisha Antilock brake device for vehicles
SU1576704A1 (ru) * 1988-04-22 1990-07-07 Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности Механизм отключени цилиндров двигател внутреннего сгорани
IT1255447B (it) 1991-11-08 1995-10-31 Iveco Fiat Motore provvisto di un dispositivo di frenatura continua, particolarmente per un veicolo industriale.
US5611308A (en) * 1996-02-06 1997-03-18 Caterpillar Inc. Apparatus for interconnecting an actuator and an exhaust valve opening member
US5816216A (en) * 1996-07-12 1998-10-06 Unisia Jecs Corporation Decompression brake device of automotive internal combustion engine
AU694703B2 (en) * 1996-10-11 1998-07-23 Mitsubishi Fuso Truck And Bus Corporation Engine-brake assisting system
DE19703948C1 (de) * 1997-02-03 1998-06-18 Meta Motoren Energietech Vorrichtung zur Veränderung der Verdichtung einer Hubkolbenbrennkraftmaschine
JPH10288018A (ja) * 1997-04-17 1998-10-27 Unisia Jecs Corp エンジンブレーキ装置
US6000374A (en) * 1997-12-23 1999-12-14 Diesel Engine Retarders, Inc. Multi-cycle, engine braking with positive power valve actuation control system and process for using the same
JP3764595B2 (ja) * 1998-12-24 2006-04-12 株式会社日立製作所 エンジン補助ブレーキ装置
US6393936B1 (en) * 1999-07-15 2002-05-28 Robert L. Barnett Collapsible control lever
US6386160B1 (en) * 1999-12-22 2002-05-14 Jenara Enterprises, Ltd. Valve control apparatus with reset
US6622669B1 (en) * 2000-10-18 2003-09-23 Ford Global Technologies, Llc Hydraulic circuit having accumulator for unlocking variable compression ratio connecting rod locking mechanisms-II
US6497203B1 (en) * 2000-10-18 2002-12-24 Ford Global Technologies, Inc. Hydraulic circuit for unlocking variable compression ratio connecting rod locking mechanisms
US6412453B1 (en) * 2000-10-18 2002-07-02 Ford Global Technologies, Inc. System and method for varying the compression ratio of an internal combustion engine
US6354265B1 (en) * 2000-10-20 2002-03-12 Eaton Corporation Electro-mechanical latching rocker arm engine brake
JP3828774B2 (ja) * 2001-10-01 2006-10-04 日野自動車株式会社 デコンプレッション装置
US6701885B2 (en) * 2002-05-13 2004-03-09 General Motors Corporation Engine connecting rod mechanism for cylinder pressure control
JP3986371B2 (ja) * 2002-06-07 2007-10-03 株式会社日立製作所 内燃機関のバルブタイミング制御装置
US7051852B2 (en) * 2002-07-26 2006-05-30 Kevin Maret Suspension restraint devices
JP4008303B2 (ja) * 2002-08-05 2007-11-14 日野自動車株式会社 デコンプレッションブレーキ
US7140333B2 (en) * 2002-11-12 2006-11-28 Volvo Lastvagnar Ab Apparatus for an internal combustion engine
SE525678C2 (sv) * 2003-08-25 2005-04-05 Volvo Lastvagnar Ab Anordning vid förbränningsmotor
CN2653135Y (zh) * 2003-09-27 2004-11-03 潍柴动力股份有限公司 柴油机排气阀制动装置
JP4169716B2 (ja) 2004-03-24 2008-10-22 株式会社日立製作所 可変動弁装置のアクチュエータ
CN1985072B (zh) * 2004-05-06 2013-03-27 雅各布斯车辆系统公司 用于发动机气门致动的主和偏置致动摇臂

Also Published As

Publication number Publication date
EP1927735A1 (en) 2008-06-04
CN101191429B (zh) 2012-09-05
DE602007010071D1 (de) 2010-12-09
ES2355277T3 (es) 2011-03-24
ATE486199T1 (de) 2010-11-15
US7992540B2 (en) 2011-08-09
RU2007144118A (ru) 2009-06-10
BRPI0705979A2 (pt) 2009-07-21
CN101191429A (zh) 2008-06-04
EP1927735B1 (en) 2010-10-27
RU2455500C2 (ru) 2012-07-10
US20080121477A1 (en) 2008-05-29
ITMI20062289A1 (it) 2008-05-29

Similar Documents

Publication Publication Date Title
AR063908A1 (es) Dispositivo de frenado por descompresion para motores endotermicos
ES2580177T3 (es) Sistema de dirección con mecanismo de bloqueo
PE20150514A1 (es) Conjunto de ajuste para una carcasa de una bomba
GT200900132A (es) Mejoras en y relacionadas con mecanismos accionadores adecuados para usarse en dispositivos de descarga de farmacos.
AR062551A1 (es) Mecanismo de encuadernacion con anillos
BR112012011302A2 (pt) operador hidráulico modular para uma ferramenta subterrânea
EP1903169A3 (en) Knob operated electromechanical lock cylinder
JP2009100994A5 (es)
BR112014004406B8 (pt) Válvula de liberação de pressão residual
ATE469859T1 (de) Steuereinheit und füllkopfvorrichtung
DE112008002692A5 (de) Vakuumpumpe
CN104675787A (zh) 单叶片式摆动气缸
DE502005006921D1 (de) Ventil, insbesondere zur Steuerung einer Nockenwellenverstelleinrichtung für Kraftfahrzeuge
JP2017128606A5 (es)
AR059547A1 (es) Cerradura con doble cilindro resistente a ataques
JP2016109122A (ja) 可変バルブリフト装置
BR112012014229A2 (pt) mecanismo de válvula de intercâmbio de gás para um motor de combustão interna
JP5974848B2 (ja) 可変動弁機構
JP2009185753A (ja) 可変動弁機構
WO2009063820A1 (ja) ドライポンプ
ATE371134T1 (de) Einhebel-mischventil mit bügelgriff
ES2532714T3 (es) Dispositivo para el ajuste variable de la carrera de válvulas
JP5307879B2 (ja) スコッチヨーク式操作装置
EP2233685A3 (en) Well tool with combined actuation of multiple valves
AR063907A1 (es) Motor de combustion interna dispuesto con un sistema de variacion de la apertura de valvula y vehiculo equipado con dicho motor

Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed, e.g., due to non-payment of fee