JP2000515605A - 液圧制御装置のための上下動弁 - Google Patents
液圧制御装置のための上下動弁Info
- Publication number
- JP2000515605A JP2000515605A JP10544861A JP54486198A JP2000515605A JP 2000515605 A JP2000515605 A JP 2000515605A JP 10544861 A JP10544861 A JP 10544861A JP 54486198 A JP54486198 A JP 54486198A JP 2000515605 A JP2000515605 A JP 2000515605A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- control
- pressure
- control device
- hydraulic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- 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)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.上下動弁が、弁棒(2)を有し、この弁棒に、弁閉鎖方向に作用するため に第1のばね手段(4)、及び弁開き方向に作用するために液圧制御可能な第2 のばね手段(43)が付属しており、かつこの弁棒(2)が、両側に液圧作用可 能な制御ピストン(7)に結合されており、その際、上下動弁(1)の閉じ又は 開き過程が、中央制御ユニットの操作部材(46)によってトリガ可能である、 とくに内燃機関における少なくとも1つの上下動弁(1)のための液圧制御装置 において、 液圧制御可能な第2のばね手段(43)に、液圧作用する補助制御部材(37 ,40,41)が付属しており、この補助制御部材が、上下動弁(1)の閉じ方 向における操作部材(46)の操作過程の際に、第1のばね手段(4)の操作力 を受けて液圧制御可能な第2のばね手段(43)を圧力負荷逃しすることを特徴 とする、とくに内燃機関における少なくとも1つの上下動弁(1)のための液圧 制御装置。 2.補助制御部材(37,40,41)が、2/2方向制御弁機能を有するこ とを特徴とする、請求項1に記載の液圧制御装置。 3.補助制御部材(37,40,41)が、制御導管を介して圧力供給導管( 30)及び圧力負荷逃し導管(25)に接続されており、これらの導管が、操作 部材(46)よって作用を受けることができることを特徴とする、請求項1又は 2に記載の液圧制御装置。 4.補助制御部材(37,40,41)が、機械的な戻しばね(41)によっ てその不動作位置に保持されていることを特徴とする、前記請求項の1つに記載 の液圧制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19716042A DE19716042C1 (de) | 1997-04-17 | 1997-04-17 | Hydraulische Steuervorrichtung für wenigstens ein Hubventil |
DE19716042.5 | 1997-04-17 | ||
PCT/EP1998/001630 WO1998048151A1 (de) | 1997-04-17 | 1998-03-20 | Hydraulische steuervorrichtung für wenigstens ein hubventil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000515605A true JP2000515605A (ja) | 2000-11-21 |
JP3348201B2 JP3348201B2 (ja) | 2002-11-20 |
Family
ID=7826782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54486198A Expired - Fee Related JP3348201B2 (ja) | 1997-04-17 | 1998-03-20 | 少なくとも1つの上下動弁用の液圧制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6167853B1 (ja) |
EP (1) | EP0975856B1 (ja) |
JP (1) | JP3348201B2 (ja) |
DE (2) | DE19716042C1 (ja) |
WO (1) | WO1998048151A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19853355C1 (de) * | 1998-11-19 | 2000-08-31 | Daimler Chrysler Ag | Hydraulisch steuerbares Hubventil |
DE10124869C2 (de) * | 2001-05-22 | 2003-06-26 | Caterpillar Motoren Gmbh & Co | Hydraulische Steuereinrichtung für gleichwirkende Motorventile eines Dieselmotors |
JP2004197588A (ja) * | 2002-12-17 | 2004-07-15 | Mitsubishi Motors Corp | 内燃機関の動弁装置 |
GB2423794B (en) | 2005-03-01 | 2008-09-10 | Ford Global Tech Llc | An internal combustion engine having cylinder disablement and gas recirculation |
US7302920B2 (en) * | 2005-06-16 | 2007-12-04 | Zheng Lou | Variable valve actuator |
US7156058B1 (en) * | 2005-06-16 | 2007-01-02 | Zheng Lou | Variable valve actuator |
US7370615B2 (en) * | 2005-08-01 | 2008-05-13 | Lgd Technology, Llc | Variable valve actuator |
US7290509B2 (en) | 2005-08-01 | 2007-11-06 | Zheng Lou | Variable valve actuator |
US7766302B2 (en) * | 2006-08-30 | 2010-08-03 | Lgd Technology, Llc | Variable valve actuator with latches at both ends |
US8978604B2 (en) | 2012-03-31 | 2015-03-17 | Jiangsu Gongda Power Technologies Co., Ltd. | Variable valve actuator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3836725C1 (ja) * | 1988-10-28 | 1989-12-21 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
US5193495A (en) * | 1991-07-16 | 1993-03-16 | Southwest Research Institute | Internal combustion engine valve control device |
US5221072A (en) | 1992-01-14 | 1993-06-22 | North American Philips Corporation | Resilient hydraulic actuator |
DE19501495C1 (de) * | 1995-01-19 | 1995-11-23 | Daimler Benz Ag | Hydraulische Ventilsteuervorrichtung |
JP3368518B2 (ja) * | 1995-06-30 | 2003-01-20 | 三菱自動車工業株式会社 | 多段開度弁装置 |
EP0843779B1 (en) * | 1995-08-08 | 2001-02-28 | Diesel Engine Retarders, Inc. | A compresssion release braking system for an internal combustion engine |
DE19621951C1 (de) * | 1996-05-31 | 1997-07-10 | Daimler Benz Ag | Hydraulische Venbtilsteuervorrichtung |
-
1997
- 1997-04-17 DE DE19716042A patent/DE19716042C1/de not_active Expired - Fee Related
-
1998
- 1998-03-20 US US09/403,167 patent/US6167853B1/en not_active Expired - Lifetime
- 1998-03-20 DE DE59802536T patent/DE59802536D1/de not_active Expired - Lifetime
- 1998-03-20 JP JP54486198A patent/JP3348201B2/ja not_active Expired - Fee Related
- 1998-03-20 WO PCT/EP1998/001630 patent/WO1998048151A1/de active IP Right Grant
- 1998-03-20 EP EP98917027A patent/EP0975856B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19716042C1 (de) | 1998-05-07 |
EP0975856A1 (de) | 2000-02-02 |
US6167853B1 (en) | 2001-01-02 |
DE59802536D1 (de) | 2002-01-31 |
EP0975856B1 (de) | 2001-12-19 |
JP3348201B2 (ja) | 2002-11-20 |
WO1998048151A1 (de) | 1998-10-29 |
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