SE8005576L - Hydraliskt system med en sekerhetsanordning - Google Patents
Hydraliskt system med en sekerhetsanordningInfo
- Publication number
- SE8005576L SE8005576L SE8005576A SE8005576A SE8005576L SE 8005576 L SE8005576 L SE 8005576L SE 8005576 A SE8005576 A SE 8005576A SE 8005576 A SE8005576 A SE 8005576A SE 8005576 L SE8005576 L SE 8005576L
- Authority
- SE
- Sweden
- Prior art keywords
- spring
- hydraulic system
- illustratively
- control device
- storage means
- Prior art date
Links
- 238000004146 energy storage Methods 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001351 cycling effect Effects 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/002—Electrical failure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
- Actuator (AREA)
- Valve Device For Special Equipments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/065,368 US4295630A (en) | 1979-08-09 | 1979-08-09 | Fail-safe actuator and hydraulic system incorporating the same |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8005576L true SE8005576L (sv) | 1981-02-10 |
Family
ID=22062225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8005576A SE8005576L (sv) | 1979-08-09 | 1980-08-06 | Hydraliskt system med en sekerhetsanordning |
Country Status (5)
Country | Link |
---|---|
US (1) | US4295630A (sv) |
JP (1) | JPS5628304A (sv) |
CA (1) | CA1140837A (sv) |
DE (1) | DE3027181A1 (sv) |
SE (1) | SE8005576L (sv) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527769A (en) * | 1983-10-03 | 1985-07-09 | Xomox Corporation | Apparatus for moving a controlled member to a predetermined position |
US4643390A (en) * | 1985-02-26 | 1987-02-17 | Gray Tool Company | Fail-safe valve actuator |
US5853022A (en) * | 1996-04-10 | 1998-12-29 | Fisher Controls International, Inc. | Valve actuator with instrument mounting manifold |
US5762315A (en) * | 1996-04-10 | 1998-06-09 | Fisher Controls International, Inc. | Valve actuator with pliable pressure conversion device |
US6062534A (en) * | 1997-04-25 | 2000-05-16 | Fisher Controls International | Double acting rotary valve actuator |
US5975487A (en) * | 1997-04-25 | 1999-11-02 | Fisher Controls International, Inc. | Rotary valve actuator with high-low-high torque linkage |
US5988205A (en) * | 1997-04-25 | 1999-11-23 | Fisher Controls International, Inc. | Rotary valve actuator with zero lost motion universal connection |
US5979864A (en) * | 1997-04-25 | 1999-11-09 | Fisher Controls International, Inc. | Double convoluted pliable pressure conversion unit |
US6000675A (en) * | 1997-04-25 | 1999-12-14 | Fisher Controls International, Inc. | Tension-spring return rotary valve actuator |
US5950427A (en) * | 1997-11-18 | 1999-09-14 | Worcester Controls Licensco, Inc. | Fail-safe electric hydraulic actuator |
US6446539B1 (en) * | 2000-12-14 | 2002-09-10 | Leopold J. Niessen | Dual end stop actuator and method |
US6568422B2 (en) * | 2000-12-14 | 2003-05-27 | Leopold J. Niessen | Valve locking mechanism and method |
JP3902489B2 (ja) | 2002-03-04 | 2007-04-04 | エフアイエス株式会社 | ガスクロマトグラフ装置及び呼気成分分析装置 |
US6988440B2 (en) * | 2002-07-18 | 2006-01-24 | Phd, Inc. | Rotary actuator assembly |
US7334773B2 (en) | 2005-08-16 | 2008-02-26 | Honeywell International, Inc. | Outflow valve having a cable operated closure mechanism |
US8794589B2 (en) * | 2009-01-27 | 2014-08-05 | Fisher Controls International, Llc | Actuator having an override apparatus |
US8549984B2 (en) * | 2009-12-28 | 2013-10-08 | Fisher Controls International, Llc | Apparatus to increase a force of an actuator having an override apparatus |
US10125893B2 (en) * | 2014-11-26 | 2018-11-13 | Velan Abv S.R.L. | Actuating system for a quarter-turn rotary valve |
US9702442B2 (en) * | 2015-11-03 | 2017-07-11 | Emerson Process Management, Valve Automation, Inc. | Rotary actuators with chain operated cams |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1056288A (sv) * | 1954-02-25 | |||
FR1115033A (fr) * | 1954-11-23 | 1956-04-18 | Applevage | Commande hydraulique à double effet |
US3028842A (en) * | 1960-04-21 | 1962-04-10 | Berg Airlectro Products Co | Parking brake chamber |
US3051143A (en) * | 1961-04-19 | 1962-08-28 | Michael J Nee | Actuator |
US3144812A (en) * | 1961-09-05 | 1964-08-18 | Explorer Res Co | Emergency actuator for air brake system |
US3542331A (en) * | 1968-05-17 | 1970-11-24 | Otis Eng Corp | Valves |
DE2203476A1 (de) * | 1972-01-26 | 1973-08-02 | Walter Theobald | Hydraulischer motor-zylinder-differentialtrieb |
US3839945A (en) * | 1972-05-05 | 1974-10-08 | Greer Hydraulics Inc | Rotary actuator |
US4003547A (en) * | 1972-06-26 | 1977-01-18 | Lone Star Industries, Inc. | Valve operator |
US3801062A (en) * | 1973-05-25 | 1974-04-02 | Contromatics Corp | Manual valve override |
US4057257A (en) * | 1977-01-10 | 1977-11-08 | Tol-O-Matic, Inc. | Seal assembly |
DE2742621A1 (de) * | 1977-09-22 | 1979-04-05 | Zahnradfabrik Friedrichshafen | Hydraulische hilfskraftlenkung mit energieversorgungseinrichtung |
-
1979
- 1979-08-09 US US06/065,368 patent/US4295630A/en not_active Expired - Lifetime
-
1980
- 1980-04-30 CA CA000350970A patent/CA1140837A/en not_active Expired
- 1980-07-11 JP JP9491580A patent/JPS5628304A/ja active Granted
- 1980-07-18 DE DE19803027181 patent/DE3027181A1/de not_active Withdrawn
- 1980-08-06 SE SE8005576A patent/SE8005576L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US4295630A (en) | 1981-10-20 |
JPS5628304A (en) | 1981-03-19 |
JPS612801B2 (sv) | 1986-01-28 |
DE3027181A1 (de) | 1981-02-26 |
CA1140837A (en) | 1983-02-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8005576-7 |