GB914361A - Improvements in or relating to servo-assisted valves controlling fluid flow - Google Patents

Improvements in or relating to servo-assisted valves controlling fluid flow

Info

Publication number
GB914361A
GB914361A GB1280459A GB1280459A GB914361A GB 914361 A GB914361 A GB 914361A GB 1280459 A GB1280459 A GB 1280459A GB 1280459 A GB1280459 A GB 1280459A GB 914361 A GB914361 A GB 914361A
Authority
GB
United Kingdom
Prior art keywords
chamber
servo
seat
valve
pressure
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
GB1280459A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AU37044/58A external-priority patent/AU229663B2/en
Application filed by Individual filed Critical Individual
Publication of GB914361A publication Critical patent/GB914361A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0166—Control of flow without auxiliary power the sensing element being a float or a ball placed outside the flow path to be controlled

Abstract

914,361. Fluid-pressure servo-valves. PHILLIPPS, M. T. April 15, 1959 [April 16, 1958], No. 12804/59. Class 135. A servo-valve has an inlet 2 leading to a chamber 3 provided with an outlet 4, and comprises a main closure member 6 and a pilot valve member 17 guided in bores in the valve body 1. The lower end of the member 6 cooperates with a seat 5 held in place by a flange 7 on the outlet tube 4. A flange 9 on the member 6 slides in the bore 11 with sufficient clearance to permit the passage of water to a passage 13 in the member and thence to a chamber 12. A valve seat 15, held in place in a bore in the member 6, is engaged by the end of the pilot valve member 17 which has a loose fit in the end of the closure member. The member 17 is under the control of a ball valve or other device attached to the arm 30. When the member 17 is raised, water flows out of the chamber 12 via a space 20 to the outlet 4 and the pressure on the flange 9 raises the closure member 6; alternatively, if the pressure is insufficient, flanges 18, 14 on the member 17, 6 respectively engage to lift the member 6. When the member 17 is returned to its seat 15, pressure builds up in the chamber 12 and depresses the closure member 6 on to its seat 5.
GB1280459A 1958-04-16 1959-04-15 Improvements in or relating to servo-assisted valves controlling fluid flow Expired GB914361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU37044/58A AU229663B2 (en) 1958-04-16 An improved servo controlled valve

Publications (1)

Publication Number Publication Date
GB914361A true GB914361A (en) 1963-01-02

Family

ID=3724201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1280459A Expired GB914361A (en) 1958-04-16 1959-04-15 Improvements in or relating to servo-assisted valves controlling fluid flow

Country Status (1)

Country Link
GB (1) GB914361A (en)

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