GB802144A - Improvements in controls for aircraft engines - Google Patents

Improvements in controls for aircraft engines

Info

Publication number
GB802144A
GB802144A GB1269755A GB1269755A GB802144A GB 802144 A GB802144 A GB 802144A GB 1269755 A GB1269755 A GB 1269755A GB 1269755 A GB1269755 A GB 1269755A GB 802144 A GB802144 A GB 802144A
Authority
GB
United Kingdom
Prior art keywords
metering valve
valve
spring
fuel
valve member
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
GB1269755A
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.)
VICTOR HENRY JOHNSON
WILLIAM DONALD MCCOURTY
HM Hobson Ltd
Original Assignee
VICTOR HENRY JOHNSON
WILLIAM DONALD MCCOURTY
HM Hobson 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 VICTOR HENRY JOHNSON, WILLIAM DONALD MCCOURTY, HM Hobson Ltd filed Critical VICTOR HENRY JOHNSON
Priority to GB1269755A priority Critical patent/GB802144A/en
Publication of GB802144A publication Critical patent/GB802144A/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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F02C9/28—Regulating systems responsive to plant or ambient parameters, e.g. temperature, pressure, rotor speed

Landscapes

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

Abstract

802,144. Gas turbine plant. HOBSON, Ltd., H. M., GREENLAND, L. S., McCOURTY, W. D., and JOHNSON, V. H. March 6, 1956 [May 2, 1955], No. 12697/55. Class 110 (3). [Also in Group XXIX] A control unit for preventing the supply of excessive fuel to a gas turbine engine during acceleration comprises a fuel metering valve controlled by the compressor delivery pressure of the engine and a pressure-regulating valve arranged to prevent the pressure drop across the metering valve from exceeding a predetermined value. In an embodiment, the metering valve 15 is carried by a spring-loaded servo-piston 14 above which is a chamber 7 connected through a filter 19 and restricted orifice 5 to the inlet 1 of the unit and provided with.an escape passage 6 controlled by a valve member carried by a pivoted beam 8 which is loaded by springs 10, 11 and acted upon by an evacuated capsule 9 having a negative rate and subject externally to compressor delivery pressure admitted through an opening 24. The spring 12 that loads the servo-piston 14 reacts on the beam 8 which carries a sealing ring 18 and is pivoted on ball bearings (not shown) about an axis passing through the sealing ring 18. To avoid obstruction to the fuel flow on starting or when the unit has failed the metering valve is waisted at 27 so that a clear passage for the fuel is presented when the metering valve is urged downwardly against a stop 17 by the spring 12. By suitably profiling the metering valve any desired relation between maximum fuel flow and compressor delivery pressure may be ob tained. A valve member 3 situated at the outlet of the metering valve is urged towards open position by a spring 21 and in the opposite direction by the pressure drop across the metering valve acting on a diaphragm 28. The valve member 3 acts to throttle the flow in the event of the said pressure drop exceeding a certain value. In a modification, the valve member 3 is of double beat construction. Specification 802,143 is referred to.
GB1269755A 1955-05-02 1955-05-02 Improvements in controls for aircraft engines Expired GB802144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1269755A GB802144A (en) 1955-05-02 1955-05-02 Improvements in controls for aircraft engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1269755A GB802144A (en) 1955-05-02 1955-05-02 Improvements in controls for aircraft engines

Publications (1)

Publication Number Publication Date
GB802144A true GB802144A (en) 1958-10-01

Family

ID=10009445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1269755A Expired GB802144A (en) 1955-05-02 1955-05-02 Improvements in controls for aircraft engines

Country Status (1)

Country Link
GB (1) GB802144A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184209A (en) * 1985-12-11 1987-06-17 Gestra Ag Steam trap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184209A (en) * 1985-12-11 1987-06-17 Gestra Ag Steam trap
GB2184209B (en) * 1985-12-11 1989-10-11 Gestra Ag Steam trap

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