GB851085A - Jet discharge nozzles for jet-propulsion engines - Google Patents

Jet discharge nozzles for jet-propulsion engines

Info

Publication number
GB851085A
GB851085A GB634758A GB634758A GB851085A GB 851085 A GB851085 A GB 851085A GB 634758 A GB634758 A GB 634758A GB 634758 A GB634758 A GB 634758A GB 851085 A GB851085 A GB 851085A
Authority
GB
United Kingdom
Prior art keywords
segments
shafts
shell
assembly
jet
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
GB634758A
Inventor
Arthur Selwyn Kay
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries 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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB634758A priority Critical patent/GB851085A/en
Publication of GB851085A publication Critical patent/GB851085A/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
    • F02K1/06—Varying effective area of jet pipe or nozzle
    • F02K1/12—Varying effective area of jet pipe or nozzle by means of pivoted flaps
    • F02K1/1269—Varying effective area of jet pipe or nozzle by means of pivoted flaps of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the internal downstream series having its flaps hinged at their downstream ends on the downstream ends of the flaps of the external downstream series hinged on a fixed structure at their upstream ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

851,085. Jet propulsion nozzles. LUCAS (INDUSTRIES) Ltd., J. May 26, 1959 [Feb. 27, 1958], No. 6347/58. Class 110 (3). A jet propulsion nozzle comprising three annular and coaxial assemblies of segments, has the segments of the first and third assemblies hinged at one end to supports which are relatively movable in the axial direction and the segments of the second assembly hingedly attached at their ends to the other ends of the segments of the first and third assemblies. The jet pipe is extended by two concentric and cylindrical sheet metal shells 10, 11. The shell 10 is fixed and the shell 11 axially movable. A plurality of segments 12 are pivotally connected at their upstream ends to the shell 10 to form the first assembly of segments. A second assembly of segments 14 are pivoted at their upstream ends to the other ends of the segments 12 and at their downstream ends to the segments 13 of a third assembly of segments pivoted at their upstream ends to the shell 11. The segments 12 may be pivoted inwardly and outwardly by links 15 attached to nuts 16 axially movable by shafts 17 actuated in unison by an internally toothed annulus 19. Alternately arranged with the shafts 17, are a pluality of shafts 22 which are connected to and axially movable with the shell 11. The shafts 22 are actuated by an internally toothed annulus 24. The shafts 22 enable segments 14 to be moved relative to and independently of the segments 12 to vary the configuration of the nozzle. Sheet metal webs 26, Fig. 2, are provided to seal the variable spaces between the segments. The webs comprise a pair of channels which may be formed as integral parts of a coolant duct 27 which may be divided internally into a plurality of passageways.
GB634758A 1958-02-27 1958-02-27 Jet discharge nozzles for jet-propulsion engines Expired GB851085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB634758A GB851085A (en) 1958-02-27 1958-02-27 Jet discharge nozzles for jet-propulsion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB634758A GB851085A (en) 1958-02-27 1958-02-27 Jet discharge nozzles for jet-propulsion engines

Publications (1)

Publication Number Publication Date
GB851085A true GB851085A (en) 1960-10-12

Family

ID=9812829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB634758A Expired GB851085A (en) 1958-02-27 1958-02-27 Jet discharge nozzles for jet-propulsion engines

Country Status (1)

Country Link
GB (1) GB851085A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767120A (en) * 1971-12-20 1973-10-23 United Aircraft Corp Exit area schedule selector system
US4756053A (en) * 1987-02-24 1988-07-12 The United States Of America As Represented By The Secretary Of The Air Force Nozzle flap hinge joint
GB2235728A (en) * 1989-09-07 1991-03-13 Gen Electric Jet engine exhaust nozzle hinge
US5101624A (en) * 1989-09-07 1992-04-07 General Electric Company Exhaust nozzle hinge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767120A (en) * 1971-12-20 1973-10-23 United Aircraft Corp Exit area schedule selector system
US4756053A (en) * 1987-02-24 1988-07-12 The United States Of America As Represented By The Secretary Of The Air Force Nozzle flap hinge joint
GB2235728A (en) * 1989-09-07 1991-03-13 Gen Electric Jet engine exhaust nozzle hinge
US5101624A (en) * 1989-09-07 1992-04-07 General Electric Company Exhaust nozzle hinge

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