FR855439A - Improvements to valves for sensitive instruments - Google Patents

Improvements to valves for sensitive instruments

Info

Publication number
FR855439A
FR855439A FR855439DA FR855439A FR 855439 A FR855439 A FR 855439A FR 855439D A FR855439D A FR 855439DA FR 855439 A FR855439 A FR 855439A
Authority
FR
France
Prior art keywords
valves
sensitive instruments
instruments
sensitive
Prior art date
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
Other languages
French (fr)
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.)
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
Original Assignee
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
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 Sperry Gyroscope Co Ltd, Sperry Gyroscope Co Inc filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR855439A publication Critical patent/FR855439A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
    • G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
FR855439D 1938-06-01 1939-05-30 Improvements to valves for sensitive instruments Expired FR855439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US855439XA 1938-06-01 1938-06-01

Publications (1)

Publication Number Publication Date
FR855439A true FR855439A (en) 1940-05-10

Family

ID=22192309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR855439D Expired FR855439A (en) 1938-06-01 1939-05-30 Improvements to valves for sensitive instruments

Country Status (1)

Country Link
FR (1) FR855439A (en)

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