IT1283875B1 - Dispositivo idraulico di comando per valvole - Google Patents
Dispositivo idraulico di comando per valvoleInfo
- Publication number
- IT1283875B1 IT1283875B1 IT96RM000016A ITRM960016A IT1283875B1 IT 1283875 B1 IT1283875 B1 IT 1283875B1 IT 96RM000016 A IT96RM000016 A IT 96RM000016A IT RM960016 A ITRM960016 A IT RM960016A IT 1283875 B1 IT1283875 B1 IT 1283875B1
- Authority
- IT
- Italy
- Prior art keywords
- valves
- control device
- hydraulic control
- hydraulic
- control
- Prior art date
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S137/00—Fluid handling
- Y10S137/906—Valves biased by fluid "springs"
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19501495A DE19501495C1 (de) | 1995-01-19 | 1995-01-19 | Hydraulische Ventilsteuervorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM960016A0 ITRM960016A0 (it) | 1996-01-12 |
ITRM960016A1 ITRM960016A1 (it) | 1997-07-12 |
IT1283875B1 true IT1283875B1 (it) | 1998-05-07 |
Family
ID=7751840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT96RM000016A IT1283875B1 (it) | 1995-01-19 | 1996-01-12 | Dispositivo idraulico di comando per valvole |
Country Status (5)
Country | Link |
---|---|
US (1) | US5595148A (it) |
DE (1) | DE19501495C1 (it) |
FR (1) | FR2729731B1 (it) |
GB (1) | GB2297124B (it) |
IT (1) | IT1283875B1 (it) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6148778A (en) | 1995-05-17 | 2000-11-21 | Sturman Industries, Inc. | Air-fuel module adapted for an internal combustion engine |
DE19621719C1 (de) * | 1996-05-31 | 1997-07-17 | Daimler Benz Ag | Hydraulische Ventilsteuervorrichtung |
DE19621951C1 (de) * | 1996-05-31 | 1997-07-10 | Daimler Benz Ag | Hydraulische Venbtilsteuervorrichtung |
US5829396A (en) * | 1996-07-16 | 1998-11-03 | Sturman Industries | Hydraulically controlled intake/exhaust valve |
US6067946A (en) * | 1996-12-16 | 2000-05-30 | Cummins Engine Company, Inc. | Dual-pressure hydraulic valve-actuation system |
US5682846A (en) * | 1996-12-19 | 1997-11-04 | Eaton Corporation | Engine valve actuator with differential area pistons |
DE29704758U1 (de) * | 1997-03-15 | 1997-05-07 | FEV Motorentechnik GmbH & Co. KG, 52078 Aachen | Hydraulische Schalteinheit |
DE19716042C1 (de) * | 1997-04-17 | 1998-05-07 | Daimler Benz Ag | Hydraulische Steuervorrichtung für wenigstens ein Hubventil |
US6044815A (en) * | 1998-09-09 | 2000-04-04 | Navistar International Transportation Corp. | Hydraulically-assisted engine valve actuator |
US6263842B1 (en) | 1998-09-09 | 2001-07-24 | International Truck And Engine Corporation | Hydraulically-assisted engine valve actuator |
US6786186B2 (en) | 1998-09-09 | 2004-09-07 | International Engine Intellectual Property Company, Llc | Unit trigger actuator |
DE19853355C1 (de) * | 1998-11-19 | 2000-08-31 | Daimler Chrysler Ag | Hydraulisch steuerbares Hubventil |
DE19905364C1 (de) | 1999-02-10 | 2000-08-03 | Daimler Chrysler Ag | Verfahren zum Betrieb einer Brennkraftmaschine mit variablen Gaswechselsteuerzeiten |
US6349686B1 (en) | 2000-08-31 | 2002-02-26 | Caterpillar Inc. | Hydraulically-driven valve and hydraulic system using same |
US6739293B2 (en) * | 2000-12-04 | 2004-05-25 | Sturman Industries, Inc. | Hydraulic valve actuation systems and methods |
US6876916B2 (en) * | 2002-02-01 | 2005-04-05 | Ford Global Technologies, Llc | Method and system for inferring torque output of a variable compression ratio engine |
US20040020453A1 (en) * | 2002-02-05 | 2004-02-05 | Yager James H. | Damped valve controller |
US6782852B2 (en) * | 2002-10-07 | 2004-08-31 | Husco International, Inc. | Hydraulic actuator for operating an engine cylinder valve |
KR100679594B1 (ko) * | 2003-03-24 | 2007-02-08 | 요코하마 티엘오 가부시키가이샤 | 내연 기관의 가변동 밸브 장치와 그 제어 방법 및 유압액튜에이터 |
US6978747B2 (en) * | 2003-04-01 | 2005-12-27 | International Engine Intellectual Property Company, Llc | Hydraulic actuator cartridge for a valve |
US7347172B2 (en) * | 2005-05-10 | 2008-03-25 | International Engine Intellectual Property Company, Llc | Hydraulic valve actuation system with valve lash adjustment |
US7156058B1 (en) * | 2005-06-16 | 2007-01-02 | Zheng Lou | Variable valve actuator |
US7302920B2 (en) * | 2005-06-16 | 2007-12-04 | 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 |
DE102005056012A1 (de) * | 2005-11-24 | 2007-06-06 | Volkswagen Ag | Hydraulische Ventilsteuervorrichtung für ein Hubventil |
US7421987B2 (en) * | 2006-05-26 | 2008-09-09 | Lgd Technology, Llc | Variable valve actuator with latch at one end |
US7766302B2 (en) * | 2006-08-30 | 2010-08-03 | Lgd Technology, Llc | Variable valve actuator with latches at both ends |
SE544218C2 (sv) | 2011-10-21 | 2022-03-08 | Freevalve Ab | Tryckfluidstyrd aktuator |
US8978604B2 (en) | 2012-03-31 | 2015-03-17 | Jiangsu Gongda Power Technologies Co., Ltd. | Variable valve actuator |
US9926178B2 (en) | 2014-08-20 | 2018-03-27 | Crown Equipment Corporation | Actuator in a lift truck |
CN104314635B (zh) * | 2014-09-04 | 2017-01-11 | 宁波华液机器制造有限公司 | 可变驱动器 |
US20190224832A1 (en) * | 2018-01-19 | 2019-07-25 | Max Co., Ltd. | Driving tool |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3836725C1 (it) * | 1988-10-28 | 1989-12-21 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE69027858T2 (de) * | 1989-08-28 | 1997-02-13 | Nigel Eric Rose | Hydraulisches stellglied |
US5193495A (en) * | 1991-07-16 | 1993-03-16 | Southwest Research Institute | Internal combustion engine valve control device |
US5529030A (en) * | 1992-02-26 | 1996-06-25 | Rose; Nigel E. | Fluid actuators |
US5224683A (en) * | 1992-03-10 | 1993-07-06 | North American Philips Corporation | Hydraulic actuator with hydraulic springs |
US5531192A (en) * | 1994-08-04 | 1996-07-02 | Caterpillar Inc. | Hydraulically actuated valve system |
-
1995
- 1995-01-19 DE DE19501495A patent/DE19501495C1/de not_active Expired - Fee Related
-
1996
- 1996-01-03 GB GB9600065A patent/GB2297124B/en not_active Expired - Fee Related
- 1996-01-12 IT IT96RM000016A patent/IT1283875B1/it active IP Right Grant
- 1996-01-18 FR FR9600531A patent/FR2729731B1/fr not_active Expired - Fee Related
- 1996-01-19 US US08/588,768 patent/US5595148A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2729731A1 (fr) | 1996-07-26 |
GB2297124B (en) | 1997-01-08 |
GB2297124A (en) | 1996-07-24 |
DE19501495C1 (de) | 1995-11-23 |
ITRM960016A0 (it) | 1996-01-12 |
FR2729731B1 (fr) | 1998-06-19 |
US5595148A (en) | 1997-01-21 |
GB9600065D0 (en) | 1996-03-06 |
ITRM960016A1 (it) | 1997-07-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |