GB1376704A - Pilot valve controlled main valve - Google Patents

Pilot valve controlled main valve

Info

Publication number
GB1376704A
GB1376704A GB1279673A GB1279673A GB1376704A GB 1376704 A GB1376704 A GB 1376704A GB 1279673 A GB1279673 A GB 1279673A GB 1279673 A GB1279673 A GB 1279673A GB 1376704 A GB1376704 A GB 1376704A
Authority
GB
United Kingdom
Prior art keywords
piston
ball
fluid pressure
pressure
main valve
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
GB1279673A
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke GmbH
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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Publication of GB1376704A publication Critical patent/GB1376704A/en
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
    • G05D16/14—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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Servomotors (AREA)
  • Safety Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
GB1279673A 1972-05-25 1973-03-16 Pilot valve controlled main valve Expired GB1376704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2225305A DE2225305C3 (de) 1972-05-25 1972-05-25 Druckregelventil

Publications (1)

Publication Number Publication Date
GB1376704A true GB1376704A (en) 1974-12-11

Family

ID=5845771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1279673A Expired GB1376704A (en) 1972-05-25 1973-03-16 Pilot valve controlled main valve

Country Status (5)

Country Link
CH (1) CH556992A (cg-RX-API-DMAC7.html)
DE (1) DE2225305C3 (cg-RX-API-DMAC7.html)
FR (1) FR2186149A5 (cg-RX-API-DMAC7.html)
GB (1) GB1376704A (cg-RX-API-DMAC7.html)
IT (1) IT977928B (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226495A1 (de) * 1992-08-11 1994-02-17 Teves Gmbh Alfred Druckregelventil

Also Published As

Publication number Publication date
CH556992A (de) 1974-12-13
FR2186149A5 (cg-RX-API-DMAC7.html) 1974-01-04
DE2225305C3 (de) 1978-04-27
DE2225305B2 (de) 1977-09-22
DE2225305A1 (de) 1973-12-06
IT977928B (it) 1974-09-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee