NL7212448A - - Google Patents

Info

Publication number
NL7212448A
NL7212448A NL7212448A NL7212448A NL7212448A NL 7212448 A NL7212448 A NL 7212448A NL 7212448 A NL7212448 A NL 7212448A NL 7212448 A NL7212448 A NL 7212448A NL 7212448 A NL7212448 A NL 7212448A
Authority
NL
Netherlands
Application number
NL7212448A
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 FR7135419A external-priority patent/FR2154964A5/fr
Priority claimed from FR7225998A external-priority patent/FR2193457A6/fr
Application filed filed Critical
Publication of NL7212448A publication Critical patent/NL7212448A/xx

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
    • F16K17/08—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 special arrangements for providing a large discharge passage
    • F16K17/085—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 special arrangements for providing a large discharge passage with diaphragm
    • 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
    • G05D16/0655—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 one spring-loaded membrane
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Portable Nailing Machines And Staplers (AREA)
NL7212448A 1971-10-01 1972-09-14 NL7212448A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7135419A FR2154964A5 (en) 1971-10-01 1971-10-01 Pressure reducing valve - offers more constant output pressure by avoiding torsion of balance spring
FR7225998A FR2193457A6 (xx) 1972-07-19 1972-07-19

Publications (1)

Publication Number Publication Date
NL7212448A true NL7212448A (xx) 1973-04-03

Family

ID=26216643

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212448A NL7212448A (xx) 1971-10-01 1972-09-14

Country Status (8)

Country Link
AT (1) AT322309B (xx)
BE (1) BE788948A (xx)
CH (1) CH557061A (xx)
DK (1) DK143236C (xx)
ES (1) ES407192A1 (xx)
IT (1) IT968515B (xx)
LU (1) LU66200A1 (xx)
NL (1) NL7212448A (xx)

Also Published As

Publication number Publication date
DE2247029A1 (de) 1973-04-12
ES407192A1 (es) 1976-01-16
DK143236C (da) 1981-11-30
CH557061A (de) 1974-12-13
LU66200A1 (xx) 1973-01-17
BE788948A (fr) 1973-01-15
DE2247029B2 (de) 1974-08-08
AT322309B (de) 1975-05-12
DK143236B (da) 1981-07-27
IT968515B (it) 1974-03-20

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed