GB630325A - Improved combined shut-off and metering valve - Google Patents

Improved combined shut-off and metering valve

Info

Publication number
GB630325A
GB630325A GB34713/46A GB3471346A GB630325A GB 630325 A GB630325 A GB 630325A GB 34713/46 A GB34713/46 A GB 34713/46A GB 3471346 A GB3471346 A GB 3471346A GB 630325 A GB630325 A GB 630325A
Authority
GB
United Kingdom
Prior art keywords
bore
spindle
valve
carries
flow
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
GB34713/46A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB630325A publication Critical patent/GB630325A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/22—Fuel supply systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sliding Valves (AREA)

Abstract

630,325. Valves. BRITISH THOMSONHOUSTON CO., Ltd. Nov. 22, 1946, No. 34713. Convention date, Nov. 24, 1945. [Class 135] [Also in Group XXVI] A valve comprises a substantially cylindrical housing with a bore extending the length thereof, inlet and outlet chambers 17, 18, respectively, a closure member 26 filling the bore in the closed position and provided with a metering portion 27, and an actuating spindle 25 which carries rackteeth 35 situated between pistons 28, 32 and engaged by a pinion on a shaft 37 extending transversely of and journalled in the valve body. The valve shown controls the fuel supply to a gas-turbine power plant. The shaft 37 carries a lever 54 connected to the pilot's throttle control. During the first part of the opening movement, a further closure disc 62 carried by spindle 25 moves away from its seat to allow fuel to flow to a chamber 22 from which it can flow through a byepass 65 to the outlet chamber. This supply is sufficient to allow the engine to idle, and the size of the byepass can be adjusted by a screw-actuated restricting pin 67. In the further opening movement, closure cylinder 26 slides out of the bore and the main stream of fuel is opened past the metering portion 27 which comprises ' " flats " on an enlarged portion of the spindle. Pistons 28, 32 are suitably packed, and the valve is balanced by allowing the inlet fluid to flow through a passage 77 in the spindle to act on the end face of piston 32. Disc 62 carries a packing ring 61 which seats on the edge of a sleeve 19 inserted in the bore. An indicating pointer 51 and co-acting stop 52 are provided.
GB34713/46A 1945-11-24 1946-11-22 Improved combined shut-off and metering valve Expired GB630325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US630325XA 1945-11-24 1945-11-24

Publications (1)

Publication Number Publication Date
GB630325A true GB630325A (en) 1949-10-11

Family

ID=22046463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34713/46A Expired GB630325A (en) 1945-11-24 1946-11-22 Improved combined shut-off and metering valve

Country Status (1)

Country Link
GB (1) GB630325A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11421600B1 (en) 2021-03-26 2022-08-23 Hamilton Sundstrand Corporation Fuel supply system with combined metering and shutoff valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11421600B1 (en) 2021-03-26 2022-08-23 Hamilton Sundstrand Corporation Fuel supply system with combined metering and shutoff valve

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