FR720860A - Perfectionnements aux soupapes - Google Patents

Perfectionnements aux soupapes

Info

Publication number
FR720860A
FR720860A FR720860DA FR720860A FR 720860 A FR720860 A FR 720860A FR 720860D A FR720860D A FR 720860DA FR 720860 A FR720860 A FR 720860A
Authority
FR
France
Prior art keywords
refinements
valve
valve refinements
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
English (en)
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.)
Stothert and Pitt Ltd
Original Assignee
Stothert and Pitt 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 Stothert and Pitt Ltd filed Critical Stothert and Pitt Ltd
Application granted granted Critical
Publication of FR720860A publication Critical patent/FR720860A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
FR720860D 1930-11-24 1931-07-30 Perfectionnements aux soupapes Expired FR720860A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB720860X 1930-11-24

Publications (1)

Publication Number Publication Date
FR720860A true FR720860A (fr) 1932-02-25

Family

ID=10494938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720860D Expired FR720860A (fr) 1930-11-24 1931-07-30 Perfectionnements aux soupapes

Country Status (1)

Country Link
FR (1) FR720860A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619103A (en) * 1947-01-31 1952-11-25 Parker Appliance Co Speed and aneroid controlled pilot operated valve
US2661017A (en) * 1949-01-27 1953-12-01 Hpm Dev Corp Pilot operated valve
US2672888A (en) * 1948-05-06 1954-03-23 American Car & Foundry Co Variable stroke piston valve with cushioning means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619103A (en) * 1947-01-31 1952-11-25 Parker Appliance Co Speed and aneroid controlled pilot operated valve
US2672888A (en) * 1948-05-06 1954-03-23 American Car & Foundry Co Variable stroke piston valve with cushioning means
US2661017A (en) * 1949-01-27 1953-12-01 Hpm Dev Corp Pilot operated valve

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