CH524076A - Safety circuit - Google Patents

Safety circuit

Info

Publication number
CH524076A
CH524076A CH751470A CH751470A CH524076A CH 524076 A CH524076 A CH 524076A CH 751470 A CH751470 A CH 751470A CH 751470 A CH751470 A CH 751470A CH 524076 A CH524076 A CH 524076A
Authority
CH
Switzerland
Prior art keywords
safety circuit
safety
circuit
Prior art date
Application number
CH751470A
Other languages
German (de)
Inventor
Rudolf Dipl Ing Rohner
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
Application filed by Sulzer Ag filed Critical Sulzer Ag
Priority to CH751470A priority Critical patent/CH524076A/en
Priority to DE19702025836 priority patent/DE2025836C/en
Priority to NL7009137A priority patent/NL7009137A/xx
Priority to CH10171A priority patent/CH533245A/en
Priority to DE19712118974 priority patent/DE2118974C/en
Priority to FI1140/71A priority patent/FI57172C/en
Priority to US00142192A priority patent/US3757646A/en
Priority to GB1146571*[A priority patent/GB1306786A/en
Priority to NL7106679A priority patent/NL7106679A/xx
Priority to FR7118162A priority patent/FR2090187B1/fr
Priority to ES391370A priority patent/ES391370A1/en
Priority to CA113497A priority patent/CA930283A/en
Priority to BE767456A priority patent/BE767456A/en
Publication of CH524076A publication Critical patent/CH524076A/en

Links

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
    • F15B20/004—Fluid pressure supply failure
    • 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
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Basic Packing Technique (AREA)
  • Portable Nailing Machines And Staplers (AREA)
CH751470A 1970-05-21 1970-05-21 Safety circuit CH524076A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CH751470A CH524076A (en) 1970-05-21 1970-05-21 Safety circuit
DE19702025836 DE2025836C (en) 1970-05-21 1970-05-27 Safety circuit
NL7009137A NL7009137A (en) 1970-05-21 1970-06-22
CH10171A CH533245A (en) 1970-05-21 1971-01-06 Safety circuit
DE19712118974 DE2118974C (en) 1970-05-21 1971-04-20 Safety circuit
FI1140/71A FI57172C (en) 1970-05-21 1971-04-23 SAEKERHETSKOPPLING
US00142192A US3757646A (en) 1970-05-21 1971-05-11 Safety circuit for a working cylinder
GB1146571*[A GB1306786A (en) 1970-05-21 1971-05-12 Safety operation of fluid-pressure control systems
NL7106679A NL7106679A (en) 1970-05-21 1971-05-14
FR7118162A FR2090187B1 (en) 1970-05-21 1971-05-19
ES391370A ES391370A1 (en) 1970-05-21 1971-05-19 Improvements introduced in protective connections. (Machine-translation by Google Translate, not legally binding)
CA113497A CA930283A (en) 1970-05-21 1971-05-20 Safety systems
BE767456A BE767456A (en) 1970-05-21 1971-05-21 SAFETY CIRCUIT FOR FLUID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH751470A CH524076A (en) 1970-05-21 1970-05-21 Safety circuit

Publications (1)

Publication Number Publication Date
CH524076A true CH524076A (en) 1972-06-15

Family

ID=4326335

Family Applications (2)

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

Family Applications After (1)

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

Country Status (3)

Country Link
CH (2) CH524076A (en)
ES (1) ES391370A1 (en)
NL (1) NL7009137A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681652A1 (en) * 1991-09-25 1993-03-26 Messier Bugatti HYDRAULIC EQUIPMENT WITH SAFETY CONTROL.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681652A1 (en) * 1991-09-25 1993-03-26 Messier Bugatti HYDRAULIC EQUIPMENT WITH SAFETY CONTROL.
EP0534834A1 (en) * 1991-09-25 1993-03-31 Messier Bugatti Hydraulic equipment with security control

Also Published As

Publication number Publication date
DE2025836B2 (en) 1972-07-20
DE2025836A1 (en) 1971-12-02
CH533245A (en) 1973-01-31
NL7009137A (en) 1971-11-23
ES391370A1 (en) 1974-05-01

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Legal Events

Date Code Title Description
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