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DE3777959D1 - Automatisches umwaelzventil. - Google Patents

Automatisches umwaelzventil.

Info

Publication number
DE3777959D1
DE3777959D1 DE8787109632T DE3777959T DE3777959D1 DE 3777959 D1 DE3777959 D1 DE 3777959D1 DE 8787109632 T DE8787109632 T DE 8787109632T DE 3777959 T DE3777959 T DE 3777959T DE 3777959 D1 DE3777959 D1 DE 3777959D1
Authority
DE
Germany
Prior art keywords
automatic recovery
recovery valve
valve
automatic
recovery
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 - Lifetime
Application number
DE8787109632T
Other languages
English (en)
Inventor
George J Loos
Ervin Skovgaard
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.)
Keystone International Holdings Corp
Original Assignee
Keystone International Holdings Corp
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 Keystone International Holdings Corp filed Critical Keystone International Holdings Corp
Application granted granted Critical
Publication of DE3777959D1 publication Critical patent/DE3777959D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G05D16/103—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet
    • G05D16/106—Sleeve-like sensing elements; Sensing elements surrounded by the flow path
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/024—Controlling the inlet pressure, e.g. back-pressure regulator

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Safety Valves (AREA)
  • Details Of Valves (AREA)
DE8787109632T 1986-11-03 1987-07-04 Automatisches umwaelzventil. Expired - Lifetime DE3777959D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92643786A 1986-11-03 1986-11-03

Publications (1)

Publication Number Publication Date
DE3777959D1 true DE3777959D1 (de) 1992-05-07

Family

ID=25453201

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787109632T Expired - Lifetime DE3777959D1 (de) 1986-11-03 1987-07-04 Automatisches umwaelzventil.

Country Status (2)

Country Link
EP (1) EP0267364B1 (de)
DE (1) DE3777959D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2252813A (en) * 1991-02-14 1992-08-19 Marshalsea Hydraulics Limited Regulated response hydraulic unloading valve
US5333638A (en) * 1993-01-21 1994-08-02 Keystone International Holdings Corp. Automatic recirculation valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT233992B (de) * 1962-11-16 1964-06-10 Hardy Geb Maschf Ag Druckregler mit Sicherheitsventil
US4019527A (en) * 1975-03-03 1977-04-26 Yarway Corporation Modulating flow control valve
US4095611A (en) * 1977-01-17 1978-06-20 Yarway Corporation Modulating flow control valve assembly
US4512358A (en) * 1983-08-26 1985-04-23 Wm. Steinen Mfg. Co. Compact long-life by-pass and pressure unloader valve

Also Published As

Publication number Publication date
EP0267364A2 (de) 1988-05-18
EP0267364B1 (de) 1992-04-01
EP0267364A3 (en) 1988-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee