FR2082984A6 - - Google Patents

Info

Publication number
FR2082984A6
FR2082984A6 FR7041925A FR7041925A FR2082984A6 FR 2082984 A6 FR2082984 A6 FR 2082984A6 FR 7041925 A FR7041925 A FR 7041925A FR 7041925 A FR7041925 A FR 7041925A FR 2082984 A6 FR2082984 A6 FR 2082984A6
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7041925A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westland Group PLC
Original Assignee
Westland Aircraft Ltd
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 Westland Aircraft Ltd filed Critical Westland Aircraft Ltd
Application granted granted Critical
Publication of FR2082984A6 publication Critical patent/FR2082984A6/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
    • B64D13/02—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft the air being pressurised
    • 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
    • G05D16/0616—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 bellow
    • G05D16/0619—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 bellow acting directly on the obturator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1939—Atmospheric
    • Y10T137/2012—Pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Pulmonology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Control Of Fluid Pressure (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measuring Fluid Pressure (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7041925A 1969-12-09 1970-11-23 Expired FR2082984A6 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB59982/69A GB1275660A (en) 1969-12-09 1969-12-09 Improvements in or relating to pressure control systems

Publications (1)

Publication Number Publication Date
FR2082984A6 true FR2082984A6 (fr) 1971-12-10

Family

ID=10484791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7041925A Expired FR2082984A6 (fr) 1969-12-09 1970-11-23

Country Status (6)

Country Link
US (1) US3706270A (fr)
CA (1) CA935319A (fr)
DE (1) DE2055879A1 (fr)
FR (1) FR2082984A6 (fr)
GB (1) GB1275660A (fr)
SE (1) SE362514B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380893A (en) * 1981-02-19 1983-04-26 The Garrett Corporation Compressor bleed air control apparatus and method
US4463897A (en) * 1982-03-18 1984-08-07 The Garrett Corporation Cooling control system apparatus and method
US4773307A (en) * 1987-05-04 1988-09-27 United Technologies Corporation Method and apparatus for preventing cabin depressurization
DE4231374A1 (de) * 1992-09-21 1994-03-24 Gastechnic Prod Vertriebges Verfahren und Vorrichtung zum Steuern eines Gasstromes
US7101277B2 (en) * 2003-07-22 2006-09-05 Honeywell International, Inc. Control system and method for controlling aircraft cabin altitude during aircraft operations above maximum certified aircraft altitude
GB2416382A (en) * 2004-07-17 2006-01-25 Nicholas Bridge Combined pressure regulation and relief valve
DE102006057549B4 (de) * 2006-12-06 2010-06-24 Nord-Micro Ag & Co. Ohg Steuereinheit zur Betätigung eines Druckventils, insbesondere eines Differenzdruckventils einer Flugzeugkabine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631262A (en) * 1925-02-05 1927-06-07 Gourdou Charles Edouard Pierre Variable-pressure-operated expansion device

Also Published As

Publication number Publication date
SE362514B (fr) 1973-12-10
CA935319A (en) 1973-10-16
DE2055879A1 (de) 1971-06-16
GB1275660A (en) 1972-05-24
US3706270A (en) 1972-12-19

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