BE767456A - SAFETY CIRCUIT FOR FLUID - Google Patents

SAFETY CIRCUIT FOR FLUID

Info

Publication number
BE767456A
BE767456A BE767456A BE767456A BE767456A BE 767456 A BE767456 A BE 767456A BE 767456 A BE767456 A BE 767456A BE 767456 A BE767456 A BE 767456A BE 767456 A BE767456 A BE 767456A
Authority
BE
Belgium
Prior art keywords
fluid
safety circuit
safety
circuit
Prior art date
Application number
BE767456A
Other languages
French (fr)
Original Assignee
Sulzer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH751470A external-priority patent/CH524076A/en
Application filed by Sulzer Ag filed Critical Sulzer Ag
Publication of BE767456A publication Critical patent/BE767456A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/16—Trip gear
    • F01D21/18—Trip gear involving hydraulic means
    • 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
    • F15B20/004—Fluid pressure supply failure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
BE767456A 1970-05-21 1971-05-21 SAFETY CIRCUIT FOR FLUID BE767456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH751470A CH524076A (en) 1970-05-21 1970-05-21 Safety circuit
CH10171A CH533245A (en) 1970-05-21 1971-01-06 Safety circuit

Publications (1)

Publication Number Publication Date
BE767456A true BE767456A (en) 1971-11-22

Family

ID=25683520

Family Applications (1)

Application Number Title Priority Date Filing Date
BE767456A BE767456A (en) 1970-05-21 1971-05-21 SAFETY CIRCUIT FOR FLUID

Country Status (6)

Country Link
US (1) US3757646A (en)
BE (1) BE767456A (en)
CA (1) CA930283A (en)
FI (1) FI57172C (en)
FR (1) FR2090187B1 (en)
GB (1) GB1306786A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971296A (en) * 1974-09-18 1976-07-27 Kelor Limited Pneumatic actuators
US4034815A (en) * 1975-03-20 1977-07-12 Caterpillar Tractor Co. Blade lift float circuit for motor graders
US4147325A (en) * 1977-03-29 1979-04-03 Combustion Engineering, Inc. Hydraulic control assembly
CH636932A5 (en) * 1979-06-22 1983-06-30 Sulzer Ag SAFETY CIRCUIT WITH A DOUBLE-ACTING, FLUID-OPERATED SERVO MOTOR.
WO1981000249A1 (en) * 1979-07-11 1981-02-05 J Muntjanoff Self adjusting actuator system
US4313633A (en) * 1979-07-11 1982-02-02 Caterpillar Tractor Co. Self adjusting actuator system
DE59103692D1 (en) * 1991-01-25 1995-01-12 Asea Brown Boveri Connection valve and hydraulic safety and power oil system in which the connection valve is used.
DE10058560A1 (en) * 2000-11-24 2002-06-13 Voith Turbo Kg Electro-hydraulic actuator
DE102016102387A1 (en) * 2015-07-31 2017-02-02 Voith Patent Gmbh Hydraulic drive for performing a linear movement
CN109404065B (en) * 2018-10-12 2021-12-17 上海华电电力发展有限公司 Control method for preventing unit tripping caused by failure of main engine valve interruption electromagnetic valve
CN111288044B (en) * 2020-02-14 2021-11-30 三一汽车起重机械有限公司 Hydraulic system and engineering machinery
CN113028077B (en) * 2021-02-26 2022-09-16 重庆市江北嘴水源空调有限公司 Valve for taking water from river
JP7321201B2 (en) 2021-03-18 2023-08-04 三菱重工業株式会社 steam valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2352334A (en) * 1942-06-09 1944-06-27 Macomber Thomas Wesson Aircraft control system
US2427549A (en) * 1942-08-08 1947-09-16 Weatherhead Co Gyroscopic apparatus
BE517780A (en) * 1952-02-21
US2855900A (en) * 1954-11-02 1958-10-14 British Messier Ltd Fluid pressure servo system with valve actuating means having a differential feel
US3608431A (en) * 1969-07-14 1971-09-28 Lummus Industries Control system for the ram of vertically disposed fluid pressure cylinders
US3604313A (en) * 1970-05-14 1971-09-14 Gen Signal Corp Hydraulic power circuit with rapid lowering provisions

Also Published As

Publication number Publication date
FI57172C (en) 1980-06-10
FR2090187A1 (en) 1972-01-14
GB1306786A (en) 1973-02-14
US3757646A (en) 1973-09-11
CA930283A (en) 1973-07-17
FR2090187B1 (en) 1975-07-04
FI57172B (en) 1980-02-29

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