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
  • F16K35/00—Means to prevent accidental or unauthorised actuation
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D16/00—Control of fluid pressure
  • G05D16/04—Control of fluid pressure without auxiliary power
  • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
  • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
  • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
  • G05D16/0663—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator
  • G05D16/0666—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator characterised by the form of the obturator
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
  • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
  • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
  • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• General Engineering & Computer Science (AREA)
• Fluid Mechanics (AREA)
• Mechanical Engineering (AREA)
• Air-Flow Control Members (AREA)
• Safety Valves (AREA)
• Mechanically-Actuated Valves (AREA)
• Control Of Fluid Pressure (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10477381

Family Applications (1)

Country Status (7)

Families Citing this family (10)

Family Cites Families (1)

• 1973
  • 1973-12-06 GB GB5672573A patent/GB1445110A/en not_active Expired
• 1974
  • 1974-11-26 ZA ZA00747554A patent/ZA747554B/en unknown
  • 1974-11-27 IN IN2639/CAL/74A patent/IN142283B/en unknown
  • 1974-12-04 DE DE19742457371 patent/DE2457371A1/en not_active Withdrawn
  • 1974-12-04 JP JP49140107A patent/JPS5086720A/ja active Pending
  • 1974-12-05 FR FR7439842A patent/FR2254058B1/fr not_active Expired
  • 1974-12-06 IT IT30253/74A patent/IT1026835B/en active

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