GB756783A - Variable area nozzles for jet propulsion engines - Google Patents

Variable area nozzles for jet propulsion engines

Info

Publication number
GB756783A
GB756783A GB12763/54A GB1276354A GB756783A GB 756783 A GB756783 A GB 756783A GB 12763/54 A GB12763/54 A GB 12763/54A GB 1276354 A GB1276354 A GB 1276354A GB 756783 A GB756783 A GB 756783A
Authority
GB
United Kingdom
Prior art keywords
nozzle
tube
variable area
jet propulsion
passes
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
GB12763/54A
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.)
Solar Aircraft Co
Original Assignee
Solar Aircraft Co
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 Solar Aircraft Co filed Critical Solar Aircraft Co
Publication of GB756783A publication Critical patent/GB756783A/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
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/822—Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D9/00—Stators
    • F01D9/06—Fluid supply conduits to nozzles or the like
    • F01D9/065—Fluid supply or removal conduits traversing the working fluid flow, e.g. for lubrication-, cooling-, or sealing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/08—Varying effective area of jet pipe or nozzle by axially moving or transversely deforming an internal member, e.g. the exhaust cone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/09—Varying effective area of jet pipe or nozzle by axially moving an external member, e.g. a shroud
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Supercharger (AREA)
  • Exhaust Silencers (AREA)

Abstract

756,783. Jet propulsion plant. SOLAR AIRCRAFT CO. May 3, 1954 [June 30, 1953], No. 12763/54. Class 110(3) [Also in Group XII] A variable area jet propulsion nozzle comprises inner and outer members defining the nozzle and, to vary the size of the nozzle, means for moving simultaneously the members in opposite axial directions so that the axial loads imposed on them by the exhaust gases are at least in part compensated. The tailpipe 20 of a jet propulsion engine comprises a diffuser 22 a reheat chamber 24 and a variable area nozzle. A tail cone 30 is arranged or located within the diffuser 22. Fuel is supplied to the reheat chamber through pipes 31, a distributer ring 32 and spray nozzles 34 circumferentially disposed adjacent a flame holder 36. The variable area nozzle comprises an outer nozzle section 27 slidable on packing 146 carried by a bracket 144 attached to the tailpipe section 26 and an inner nozzle section 46 which is slidably mounted in a tubular member 40 forming an extension of the tail cone 30. The inner and outer nozzle sections are connected by linkwork to the opposite ends of three pivoted levers 158. The lengths of the lever arms are chosen so that the effects of the gas pressure on the nozzle sections are balanced. Under these conditions, the operating force required is a minimum. If desired, the lengths of the lever arms may be so arranged that in the event of a control failure, the nozzle sections move to the position corresponding to the maximum or minimum areas. The inner nozzle section 46 is mounted on a tube 64 which is supported in the tube 40 by two sets of rollers 78 mounted in bulkheads 68. Cooling air from the compressor discharge is supplied through a pipe 122 to apertures 120 in the rear of a flange 116 attached to a sleeve 114 mounted in the tube 40. This cooling air passes between the sleeve 114 and tube 40 to the forward bulkhead 68 where it is diverted into the tube 64 through which it passes to atmosphere. Cooling air from the compressor discharge is also passed through fittings 142 axial channels 140 and peripheral channel 138 to spaces 130 formed between the surface of the struts 42 and an inner shell 128. This air passes through an annular space 112 formed between the tube 40 and an inner sleeve 106 to a space formed between the inner and outer surfaces of the inner nozzle member 46 from which it passes to atmosphere.
GB12763/54A 1953-06-30 1954-05-03 Variable area nozzles for jet propulsion engines Expired GB756783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US365005A US2811827A (en) 1953-06-30 1953-06-30 Balanced jet nozzle and cooling means therefor

Publications (1)

Publication Number Publication Date
GB756783A true GB756783A (en) 1956-09-12

Family

ID=23437091

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12763/54A Expired GB756783A (en) 1953-06-30 1954-05-03 Variable area nozzles for jet propulsion engines

Country Status (4)

Country Link
US (1) US2811827A (en)
BE (1) BE530004A (en)
FR (1) FR1104307A (en)
GB (1) GB756783A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2482310C2 (en) * 2007-08-23 2013-05-20 Эрбюс Операсьон Cone of jet nozzle of aircraft jet turbine engine provided with device generating turbulence of first stage flow and limiting jet flow noise
CN113266425A (en) * 2021-05-31 2021-08-17 张龙 Closed fixed annular turbojet steam wheel

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952124A (en) * 1957-07-29 1960-09-13 Boeing Co Plug type noise suppressor and thrust reverser
US3094072A (en) * 1957-12-09 1963-06-18 Arthur R Parilla Aircraft, missiles, missile weapons systems, and space ships
DE977738C (en) * 1957-12-11 1969-03-27 Josef Schaberger & Co G M B H Method for operating a jet engine, in particular for rockets
US4044555A (en) * 1958-09-30 1977-08-30 Hayes International Corporation Rear section of jet power plant installations
US3237864A (en) * 1962-12-03 1966-03-01 Gen Electric Low drag variable plug jet exhaust nozzle
US3192712A (en) * 1962-12-31 1965-07-06 Gen Electric Load balancing arrangement for annular variable area jet exhaust nozzle
US3504860A (en) * 1964-07-07 1970-04-07 Us Navy Adjustable spike nozzle for thrust motors
GB1026068A (en) * 1964-11-09 1966-04-14 Rolls Royce Jet nozzle
US3210934A (en) * 1964-11-30 1965-10-12 Gen Motors Corp Jet engine exhaust
GB1035015A (en) * 1965-05-11 1966-07-06 Rolls Royce Improvements in or relating to jet propulsion power plant
DE4225603C1 (en) * 1992-08-03 1993-11-25 Deutsche Aerospace Thruster for a hypersonic combination engine with a cooled central body
US6584766B1 (en) * 2000-03-24 2003-07-01 General Electric Co. Methods and apparatus for minimizing thermal stresses in a centerbody
CN110657044B (en) * 2019-08-30 2020-09-25 中国科学院工程热物理研究所 Integrated structure of electric-driven afterburner and area-adjustable tail nozzle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2510506A (en) * 1944-07-15 1950-06-06 Jarvis C Marble Turbojet power plant with controllable primary and secondary outlets
NL70849C (en) * 1945-05-14
US2570629A (en) * 1945-10-05 1951-10-09 Anxionnaz Adjustable pipe for the intake of air and expansion of the driving gases in reactionjet propellers for projectiles and vehicles
US2540594A (en) * 1946-08-23 1951-02-06 Lockheed Aircraft Corp Ram jet engine having variable area inlets
US2573982A (en) * 1946-12-14 1951-11-06 Homestead Valve Mfg Co Nozzle
BE637917A (en) * 1947-06-05
US2641104A (en) * 1950-04-18 1953-06-09 United Aircraft Corp Tail cone having radially adjustable wall
US2630673A (en) * 1950-09-27 1953-03-10 Gen Electric Cooling means for variable area nozzles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2482310C2 (en) * 2007-08-23 2013-05-20 Эрбюс Операсьон Cone of jet nozzle of aircraft jet turbine engine provided with device generating turbulence of first stage flow and limiting jet flow noise
CN113266425A (en) * 2021-05-31 2021-08-17 张龙 Closed fixed annular turbojet steam wheel

Also Published As

Publication number Publication date
FR1104307A (en) 1955-11-18
BE530004A (en)
US2811827A (en) 1957-11-05

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