BRPI0705979A2 - dispositivo de frenagem por descompressão em motores endotérmicos - Google Patents
dispositivo de frenagem por descompressão em motores endotérmicosInfo
- Publication number
- BRPI0705979A2 BRPI0705979A2 BRPI0705979-5A BRPI0705979A BRPI0705979A2 BR PI0705979 A2 BRPI0705979 A2 BR PI0705979A2 BR PI0705979 A BRPI0705979 A BR PI0705979A BR PI0705979 A2 BRPI0705979 A2 BR PI0705979A2
- Authority
- BR
- Brazil
- Prior art keywords
- braking device
- levers
- decompression braking
- bushings
- endothermic
- Prior art date
Links
- 230000006837 decompression Effects 0.000 title abstract 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
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
DISPOSITIVO DE FRENAGEM POR DESCOMPRESSãO EM MOTORES ENDOTéRMICOS. Dispositivo de frenagem por descompressão em um motor endotérmico (1) do tipo que compreende uma cabeça com, pelo menos, um eixo de alavanca (2), em que uma pluralidade de buchas excêntricas (31) de uma pluralidade correspondente de alavancas (3) são rotacional e excentricamente montadas, cada alavanca (3) sendo fornecida com um tucho (4) para atuar uma ou mais válvulas de escape (5), e um eixo de comando de válvulas (30) que aciona a referida pluralidade de alavancas (3), o dispositivo sendo caracterizado pelo fato de que compreende um membro de acionamento (6, 61) montado externamente ao referido eixo de alavanca (2) e ligado às referidas buchas por meio dos meios de articulação (8, 9, 10), a disposição sendo tal que uma respectiva rotação das referidas buchas (2) de um valor angular pré-determinado (cL) com deslocamento conseqúente do eixo de articulação das referidas alavancas (3) corresponde a cada excursão do referido membro de acionamento (6, 61).
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 |
---|---|
BRPI0705979A2 true BRPI0705979A2 (pt) | 2009-07-21 |
Family
ID=37774273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0705979-5A BRPI0705979A2 (pt) | 2006-11-28 | 2007-11-28 | dispositivo de frenagem por descompressão em motores endotérmicos |
Country Status (10)
Country | Link |
---|---|
US (1) | US7992540B2 (pt) |
EP (1) | EP1927735B1 (pt) |
CN (1) | CN101191429B (pt) |
AR (1) | AR063908A1 (pt) |
AT (1) | ATE486199T1 (pt) |
BR (1) | BRPI0705979A2 (pt) |
DE (1) | DE602007010071D1 (pt) |
ES (1) | ES2355277T3 (pt) |
IT (1) | ITMI20062289A1 (pt) |
RU (1) | RU2455500C2 (pt) |
Families Citing this family (8)
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 |
CN116529476A (zh) | 2020-12-03 | 2023-08-01 | 雅各布斯车辆系统公司 | 用于控制内燃机中的气门致动的旋转致动器系统 |
Family Cites Families (30)
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 |
CA1262159A (en) * | 1984-09-27 | 1989-10-03 | Tetsuo Tsuchida | 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 |
MY133691A (en) * | 1996-07-12 | 2007-11-30 | Hitachi Ltd | 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 |
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 |
US6497203B1 (en) * | 2000-10-18 | 2002-12-24 | Ford Global Technologies, Inc. | Hydraulic circuit for unlocking variable compression ratio connecting rod locking mechanisms |
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 |
US7392772B2 (en) * | 2004-05-06 | 2008-07-01 | Jacobs Vehicle Systems, Inc. | Primary and offset actuator rocker arms for engine valve actuation |
-
2006
- 2006-11-28 IT IT002289A patent/ITMI20062289A1/it unknown
-
2007
- 2007-11-16 US US11/985,639 patent/US7992540B2/en not_active Expired - Fee Related
- 2007-11-22 AR ARP070105199A patent/AR063908A1/es not_active Application Discontinuation
- 2007-11-26 AT AT07121488T patent/ATE486199T1/de not_active IP Right Cessation
- 2007-11-26 ES ES07121488T patent/ES2355277T3/es active Active
- 2007-11-26 DE DE602007010071T patent/DE602007010071D1/de active Active
- 2007-11-26 CN CN2007101932751A patent/CN101191429B/zh not_active Expired - Fee Related
- 2007-11-26 EP EP07121488A patent/EP1927735B1/en not_active Expired - Fee Related
- 2007-11-27 RU RU2007144118/06A patent/RU2455500C2/ru not_active IP Right Cessation
- 2007-11-28 BR BRPI0705979-5A patent/BRPI0705979A2/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101191429B (zh) | 2012-09-05 |
ITMI20062289A1 (it) | 2008-05-29 |
RU2007144118A (ru) | 2009-06-10 |
AR063908A1 (es) | 2009-02-25 |
ATE486199T1 (de) | 2010-11-15 |
US7992540B2 (en) | 2011-08-09 |
DE602007010071D1 (de) | 2010-12-09 |
RU2455500C2 (ru) | 2012-07-10 |
CN101191429A (zh) | 2008-06-04 |
US20080121477A1 (en) | 2008-05-29 |
ES2355277T3 (es) | 2011-03-24 |
EP1927735A1 (en) | 2008-06-04 |
EP1927735B1 (en) | 2010-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
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] |