DE69109951D1 - Ventilstellglied mit hydraulischem Antrieb und pneumatischem Rücklauf. - Google Patents
Ventilstellglied mit hydraulischem Antrieb und pneumatischem Rücklauf.Info
- Publication number
- DE69109951D1 DE69109951D1 DE69109951T DE69109951T DE69109951D1 DE 69109951 D1 DE69109951 D1 DE 69109951D1 DE 69109951 T DE69109951 T DE 69109951T DE 69109951 T DE69109951 T DE 69109951T DE 69109951 D1 DE69109951 D1 DE 69109951D1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic drive
- valve actuator
- pneumatic return
- pneumatic
- return
- 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.)
- Expired - Fee Related
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)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/557,369 US5058538A (en) | 1990-07-24 | 1990-07-24 | Hydraulically propelled phneumatically returned valve actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69109951D1 true DE69109951D1 (de) | 1995-06-29 |
DE69109951T2 DE69109951T2 (de) | 1995-12-21 |
Family
ID=24225116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69109951T Expired - Fee Related DE69109951T2 (de) | 1990-07-24 | 1991-07-15 | Ventilstellglied mit hydraulischem Antrieb und pneumatischem Rücklauf. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5058538A (de) |
EP (1) | EP0468571B1 (de) |
JP (1) | JPH04232319A (de) |
CA (1) | CA2047448A1 (de) |
DE (1) | DE69109951T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5109812A (en) * | 1991-04-04 | 1992-05-05 | North American Philips Corporation | Pneumatic preloaded actuator |
US5152260A (en) * | 1991-04-04 | 1992-10-06 | North American Philips Corporation | Highly efficient pneumatically powered hydraulically latched actuator |
US5255641A (en) | 1991-06-24 | 1993-10-26 | Ford Motor Company | Variable engine valve control system |
US5193495A (en) * | 1991-07-16 | 1993-03-16 | Southwest Research Institute | Internal combustion engine valve control device |
EP0536513B1 (de) * | 1991-08-21 | 1996-07-03 | Honda Giken Kogyo Kabushiki Kaisha | Hubventilsteuerungsvorrichtung für Brennkraftmaschine |
WO1993013300A1 (en) * | 1991-12-31 | 1993-07-08 | Caterpillar Inc. | Engine valve seating velocity hydraulic snubber |
US5606940A (en) * | 1991-12-31 | 1997-03-04 | Caterpillar Inc. | Engine valve seating velocity hydraulic snubber |
US5224683A (en) * | 1992-03-10 | 1993-07-06 | North American Philips Corporation | Hydraulic actuator with hydraulic springs |
US5253619A (en) * | 1992-12-09 | 1993-10-19 | North American Philips Corporation | Hydraulically powered actuator with pneumatic spring and hydraulic latching |
US5647318A (en) | 1994-07-29 | 1997-07-15 | Caterpillar Inc. | Engine compression braking apparatus and method |
US5540201A (en) | 1994-07-29 | 1996-07-30 | Caterpillar Inc. | Engine compression braking apparatus and method |
US5526784A (en) | 1994-08-04 | 1996-06-18 | Caterpillar Inc. | Simultaneous exhaust valve opening braking system |
WO1997009516A1 (en) * | 1995-09-01 | 1997-03-13 | Serge Vallve | Pneumatic engine valve assembly |
DE19544473C2 (de) * | 1995-11-29 | 1999-04-01 | Daimler Benz Ag | Mechanisch-hydraulisch arbeitende Steuerung für ein Gaswechselventil einer Brennkraftmaschine |
US6315265B1 (en) | 1999-04-14 | 2001-11-13 | Wisconsin Alumni Research Foundation | Variable valve timing actuator |
DE10249452B4 (de) * | 2002-10-24 | 2009-10-15 | Man Diesel, Filial Af Man Diesel Se, Tyskland | Auslassventil |
DE102006040671A1 (de) * | 2006-08-30 | 2008-03-06 | Schaeffler Kg | Drosselventil für eine Brennkraftmaschine mit elektrohydraulischer Ventilsteuerung |
US7603858B2 (en) * | 2007-05-11 | 2009-10-20 | Lawrence Livermore National Security, Llc | Harmonic engine |
JP4705200B2 (ja) * | 2007-08-07 | 2011-06-22 | スクデリ グループ リミテッド ライアビリティ カンパニー | 耐ノック分割サイクルエンジン及び方法 |
DE102008054014A1 (de) * | 2008-10-30 | 2010-05-06 | Man Nutzfahrzeuge Aktiengesellschaft | Gaswechselventil für Brennkraftmaschinen |
US9291056B2 (en) | 2010-08-30 | 2016-03-22 | Lawrence Livermore National Security, Llc | Harmonic uniflow engine |
US8807012B1 (en) | 2010-08-30 | 2014-08-19 | Lawrence Livermore National Security, Llc | Harmonic engine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3537355A (en) * | 1966-12-14 | 1970-11-03 | George N Bliss | Fluid-operated servomechanism |
US4206728A (en) * | 1978-05-01 | 1980-06-10 | General Motors Corporation | Hydraulic valve actuator system |
US4759260A (en) * | 1978-05-17 | 1988-07-26 | Lew Yon S | Super reliable air-spring return air cylinder |
DK225982A (da) * | 1981-07-07 | 1983-01-08 | Sulzer Ag | Indstroemnings-eller udstoedningsventil til en forbraendingsmotors cylindertopstykke |
DE3139399A1 (de) * | 1981-09-30 | 1983-04-14 | Gebrüder Sulzer AG, 8401 Winterthur | Antrieb fuer ein schwingungsfaehiges system |
SU1132034A1 (ru) * | 1983-02-23 | 1984-12-30 | Ворошиловградский машиностроительный институт | Устройство дл гидравлического привода клапанов газораспределени двигател внутреннего сгорани |
US4555974A (en) * | 1983-09-02 | 1985-12-03 | Pneumo Corporation | Servo actuator control/damping mechanism and method |
DK149514C (da) * | 1983-09-16 | 1986-12-22 | Danfoss As | Hydraulisk aktuator til styring af ventiler |
SE459516B (sv) * | 1984-02-09 | 1989-07-10 | Bo Inge Gustav Jareke | Pneumatisk servoventil omfattande en i en cylinder foerskjutbar dubbelkolv |
US4777800A (en) * | 1984-03-05 | 1988-10-18 | Vetco Gray Inc. | Static head charged hydraulic accumulator |
US4889035A (en) * | 1985-07-16 | 1989-12-26 | Thermo Electron Web Systems, Inc. | Magnetically actuated valve for cyclically operating piston-cylinder actuator |
US4836757A (en) * | 1987-02-13 | 1989-06-06 | Mechanical Technology Incorporated | Pressure actuated movable head for a resonant reciprocating compressor balance chamber |
JPH0794845B2 (ja) * | 1987-02-24 | 1995-10-11 | 本田技研工業株式会社 | 差圧応動式アクチュエータ |
US4922805A (en) * | 1988-09-14 | 1990-05-08 | Beswick Paul R | Fluid actuated cylinder |
JP2664986B2 (ja) * | 1989-04-03 | 1997-10-22 | 三菱重工業株式会社 | 内燃機関の動弁装置 |
-
1990
- 1990-07-24 US US07/557,369 patent/US5058538A/en not_active Expired - Lifetime
-
1991
- 1991-07-15 DE DE69109951T patent/DE69109951T2/de not_active Expired - Fee Related
- 1991-07-15 EP EP91201850A patent/EP0468571B1/de not_active Expired - Lifetime
- 1991-07-19 CA CA002047448A patent/CA2047448A1/en not_active Abandoned
- 1991-07-24 JP JP3206206A patent/JPH04232319A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH04232319A (ja) | 1992-08-20 |
EP0468571A1 (de) | 1992-01-29 |
US5058538A (en) | 1991-10-22 |
EP0468571B1 (de) | 1995-05-24 |
DE69109951T2 (de) | 1995-12-21 |
CA2047448A1 (en) | 1992-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MANNESMANN VDO AG, 60388 FRANKFURT, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: SIEMENS AG, 80333 MUENCHEN, DE |
|
8339 | Ceased/non-payment of the annual fee |