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
  • F16K47/00—Means in valves for absorbing fluid energy
  • F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
• • 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
  • F16K17/20—Excess-flow valves
  • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
  • F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
• • 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
  • F16K31/00—Actuating devices; Operating means; Releasing devices
  • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
  • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
  • F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
• • 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
  • F16K31/00—Actuating devices; Operating means; Releasing devices
  • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
  • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
  • F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
  • F16K31/383—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a piston
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D16/00—Control of fluid pressure
  • G05D16/14—Control of fluid pressure with auxiliary non-electric power
  • G05D16/16—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid
  • G05D16/166—Control of fluid pressure with auxiliary non-electric power derived from the controlled fluid using pistons within the main valve

Landscapes

• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Power Engineering (AREA)
• Fluid Mechanics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Control Of Fluid Pressure (AREA)
• Safety Valves (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=15828377

Family Applications (1)

Country Status (14)

Families Citing this family (4)

Family Cites Families (7)

• 1986
  • 1986-10-28 JP JP1986166276U patent/JPS6372615U/ja active Pending
• 1987
  • 1987-10-13 NZ NZ222152A patent/NZ222152A/xx unknown
  • 1987-10-14 AU AU79748/87A patent/AU589045B2/en not_active Ceased
  • 1987-10-20 DK DK550187A patent/DK167830B1/da not_active IP Right Cessation
  • 1987-10-21 CN CN198787214653U patent/CN87214653U/zh not_active Withdrawn
  • 1987-10-22 KR KR1019870011735A patent/KR920007769B1/ko not_active IP Right Cessation
  • 1987-10-22 CA CA000549988A patent/CA1288659C/en not_active Expired - Lifetime
  • 1987-10-26 PT PT85990A patent/PT85990B/pt not_active IP Right Cessation
  • 1987-10-27 EP EP87202067A patent/EP0266007B1/en not_active Expired - Lifetime
  • 1987-10-27 DE DE8787202067T patent/DE3775706D1/de not_active Expired - Lifetime
  • 1987-10-27 ZA ZA878054A patent/ZA878054B/xx unknown
  • 1987-10-27 ES ES198787202067T patent/ES2028055T3/es not_active Expired - Lifetime
  • 1987-10-28 DE DE8714320U patent/DE8714320U1/de not_active Expired
  • 1987-10-28 AR AR87309141A patent/AR243658A1/es active
• 1992
  • 1992-01-03 GR GR910402007T patent/GR3003500T3/el unknown

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