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 PDFInfo
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 138
- 230000004913 activation Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000014759 maintenance of location Effects 0.000 description 14
- 241000406668 Loxodonta cyclotis Species 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 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
- 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)
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=) |
Families Citing this family (19)
| 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 |
| JP6153655B2 (ja) | 2013-03-31 | 2017-06-28 | 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 | 可動部品の運動制御 |
| US12071867B2 (en) * | 2015-01-21 | 2024-08-27 | Eaton Intelligent Power Limited | Rocker arm assembly with valve bridge |
| US10690024B2 (en) | 2015-01-21 | 2020-06-23 | Eaton Corporation | Rocker arm assembly for engine braking |
| US10927724B2 (en) | 2016-04-07 | 2021-02-23 | Eaton Corporation | Rocker arm assembly |
| JP2018503025A (ja) * | 2015-01-21 | 2018-02-01 | イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ | エンジンブレーキ用ロッカーアームアセンブリ |
| US11092042B2 (en) | 2015-01-21 | 2021-08-17 | Eaton Intelligent Power Limited | Rocker arm assembly with valve bridge |
| EP3298251B1 (en) | 2015-05-18 | 2020-01-01 | Eaton Intelligent Power Limited | Rocker arm having oil release valve that operates as an accumulator |
| DE102015216287A1 (de) * | 2015-08-26 | 2016-08-04 | Schaeffler Technologies AG & Co. KG | Schaltbares Ventiltriebsystem für Verbrennungsmotoren |
| CN109072724B (zh) | 2016-03-16 | 2021-05-28 | 伊顿智能动力有限公司 | 摇臂组合件 |
| 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 |
| JP7241861B2 (ja) * | 2018-09-10 | 2023-03-17 | 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 | ロストモーション可変バルブ駆動システム及び方法 |
| 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 |
| KR102837832B1 (ko) | 2020-11-20 | 2025-07-22 | 자콥스 비히클 시스템즈, 인코포레이티드. | 손실 운동 엔진 밸브 구동 시스템의 로커 제어 |
| US20230151743A1 (en) * | 2020-11-20 | 2023-05-18 | Jacobs Vehicle Systems, Inc. | Lost motion rocker brake biasing and stroke limiting systems |
| DE112023001374T5 (de) | 2022-03-15 | 2025-02-27 | Eaton Intelligent Power Limited | Ventilbrückenstabilisator für die motorbremsung |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US496573A (en) * | 1893-05-02 | Rock-drill clamp | ||
| GB564507A (en) * | 1941-07-24 | 1944-10-02 | Eaton Mfg Co | Improvements in or relating to valve tappet constructions |
| FR1462941A (fr) * | 1965-02-06 | 1966-12-16 | Bosch Gmbh Robert | Poussoir de soupape |
| JPS6056888B2 (ja) * | 1981-10-08 | 1985-12-12 | 日産自動車株式会社 | ハイドロリツク・リフタ |
| DE3511820A1 (de) * | 1985-03-30 | 1986-10-02 | Robert Bosch Gmbh, 7000 Stuttgart | Ventilsteuervorrichtung fuer eine hubkolben-brennkraftmaschine |
| JPH057451Y2 (https=) * | 1987-05-19 | 1993-02-25 | ||
| US4796573A (en) | 1987-10-02 | 1989-01-10 | Allied-Signal Inc. | Hydraulic engine valve lifter assembly |
| JPH046711U (https=) * | 1990-04-27 | 1992-01-22 | ||
| US5186141A (en) * | 1992-05-04 | 1993-02-16 | Jacobs Brake Technology Corporation | Engine brake timing control mechanism |
| JP2782311B2 (ja) * | 1993-10-06 | 1998-07-30 | 三菱自動車エンジニアリング株式会社 | 吸気弁閉鎖時期可変装置 |
| US5485813A (en) * | 1995-01-11 | 1996-01-23 | Siemens Automotive Corporation | Lost motion actuator with damping transition |
| US5537976A (en) * | 1995-08-08 | 1996-07-23 | Diesel Engine Retarders, Inc. | Four-cycle internal combustion engines with two-cycle compression release braking |
| BR9815101A (pt) * | 1997-11-21 | 2001-04-03 | Diesel Engine Retarders Inc | Sistema de atuação de válvula para atuar as válvulas de motor em um motor de combustão interna |
| US6302370B1 (en) | 1998-08-26 | 2001-10-16 | Diesel Engine Retarders, Inc. | Valve seating control device with variable area orifice |
| US6769385B1 (en) | 2003-03-12 | 2004-08-03 | Caterpillar Inc | System for controlling engine valve seating velocity |
| US6988471B2 (en) * | 2003-12-23 | 2006-01-24 | Caterpillar Inc | Engine valve actuation system |
| JP5344821B2 (ja) * | 2004-10-14 | 2013-11-20 | 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 | 内燃機関における可変弁作動のためのシステム及び方法 |
| JP2008536056A (ja) * | 2005-04-11 | 2008-09-04 | 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 | 弁の着座を制御する弁作動システム |
| US7464678B2 (en) * | 2007-02-15 | 2008-12-16 | Gm Global Technology Operations, Inc. | Hydraulic lash adjuster |
-
2010
- 2010-08-06 BR BR112012002700-0A patent/BR112012002700B1/pt active IP Right Grant
- 2010-08-06 EP EP10807241.4A patent/EP2462323B1/en active Active
- 2010-08-06 CN CN201080034932.8A patent/CN102472124B/zh active Active
- 2010-08-06 US US12/852,115 patent/US8516984B2/en active Active
- 2010-08-06 KR KR1020127006127A patent/KR101552489B1/ko active Active
- 2010-08-06 WO PCT/US2010/044739 patent/WO2011017631A1/en not_active Ceased
- 2010-08-06 JP JP2012523980A patent/JP5740400B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5740400B2 (ja) | 2015-06-24 |
| EP2462323B1 (en) | 2014-06-11 |
| JP2013501870A (ja) | 2013-01-17 |
| KR20120045047A (ko) | 2012-05-08 |
| CN102472124B (zh) | 2014-11-05 |
| US20110067661A1 (en) | 2011-03-24 |
| KR101552489B1 (ko) | 2015-09-11 |
| US8516984B2 (en) | 2013-08-27 |
| BR112012002700A2 (pt) | 2018-03-20 |
| CN102472124A (zh) | 2012-05-23 |
| EP2462323A4 (en) | 2013-04-10 |
| WO2011017631A1 (en) | 2011-02-10 |
| EP2462323A1 (en) | 2012-06-13 |
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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. |