GB779667A - Improvements relating to aircraft power plant installations - Google Patents

Improvements relating to aircraft power plant installations

Info

Publication number
GB779667A
GB779667A GB30276/54A GB3027654A GB779667A GB 779667 A GB779667 A GB 779667A GB 30276/54 A GB30276/54 A GB 30276/54A GB 3027654 A GB3027654 A GB 3027654A GB 779667 A GB779667 A GB 779667A
Authority
GB
United Kingdom
Prior art keywords
wall
engine
cowling
aircraft
duct
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
GB30276/54A
Inventor
Thomas Henry Kerry
Harry Hurdis
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB30276/54A priority Critical patent/GB779667A/en
Publication of GB779667A publication Critical patent/GB779667A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/023—Details or means for fluid extraction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0238—Details or means for fluid reinjection

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

779,667. Aircraft engine cowlings. ROLLSROYCE, Ltd. Oct. 19, 1955 [Oct. 20, 1954], No. 30276/54. Addition to 701,576 [Group XXVI]. Class 4. [Also in Group XXVI] In an aircraft gas turbine engine installation, propelling the aircraft by jet reaction or by a propeller or ducted fan, or both, air can be bled from a later stage of the engine compressor to the initial stages through ducting formed at least in part by a portion of the aircraft structure. The air is bled from the compressor through a slide valve 17 and enters a partannular duct 22 bounded by the outer wall 23 of the engine cowling and by walls 24, 25 carried by structural portions 26, 27 of the cowling. From the duct 22, the air passes through ports 28 to a part-annular duct 29 formed between the outer wall 23 and an inner wall 30 of the cowling, and then flows through transfer bobbins 33 to an annular chamber 34 connected to the compressor inlet. Relative axial movement between the engine and the cowling due to thermal expansion is allowed for by a deformable seal 44 ; a sliding connection between the cover of the valve 17 and the turned-over edges of the walls 24, 25 ; and the transfer bobbins 33 which have part-spherical ends engaging part-spherical sockets on the wall 30 and cylindrical sockets on a wall 35.
GB30276/54A 1954-10-20 1954-10-20 Improvements relating to aircraft power plant installations Expired GB779667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB30276/54A GB779667A (en) 1954-10-20 1954-10-20 Improvements relating to aircraft power plant installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30276/54A GB779667A (en) 1954-10-20 1954-10-20 Improvements relating to aircraft power plant installations

Publications (1)

Publication Number Publication Date
GB779667A true GB779667A (en) 1957-07-24

Family

ID=10305074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30276/54A Expired GB779667A (en) 1954-10-20 1954-10-20 Improvements relating to aircraft power plant installations

Country Status (1)

Country Link
GB (1) GB779667A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222703A (en) * 1977-12-13 1980-09-16 Pratt & Whitney Aircraft Of Canada Limited Turbine engine with induced pre-swirl at compressor inlet
US4844689A (en) * 1986-07-04 1989-07-04 Rolls-Royce Plc Compressor and air bleed system
WO2009143820A2 (en) 2008-05-28 2009-12-03 Mtu Aero Engines Gmbh Housing for a compressor of a gas turbine, compressor, and method for producing a housing segment of a compressor housing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222703A (en) * 1977-12-13 1980-09-16 Pratt & Whitney Aircraft Of Canada Limited Turbine engine with induced pre-swirl at compressor inlet
US4844689A (en) * 1986-07-04 1989-07-04 Rolls-Royce Plc Compressor and air bleed system
WO2009143820A2 (en) 2008-05-28 2009-12-03 Mtu Aero Engines Gmbh Housing for a compressor of a gas turbine, compressor, and method for producing a housing segment of a compressor housing
WO2009143820A3 (en) * 2008-05-28 2010-01-21 Mtu Aero Engines Gmbh Housing for a compressor of a gas turbine, compressor, and method for producing a housing segment of a compressor housing
US8662827B2 (en) 2008-05-28 2014-03-04 MTU Aero Engines AG Housing for a compressor of a gas turbine, compressor, and method for producing a housing segment of a compressor housing

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