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GB838038A - Improvements in jet engines - Google Patents

Improvements in jet engines

Info

Publication number
GB838038A
GB838038A GB17197/58A GB1719758A GB838038A GB 838038 A GB838038 A GB 838038A GB 17197/58 A GB17197/58 A GB 17197/58A GB 1719758 A GB1719758 A GB 1719758A GB 838038 A GB838038 A GB 838038A
Authority
GB
United Kingdom
Prior art keywords
plug
vanes
nozzle
jet
throat
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
GB17197/58A
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.)
Boeing Co
Original Assignee
Boeing Co
Boeing Airplane 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 Boeing Co, Boeing Airplane Co filed Critical Boeing Co
Publication of GB838038A publication Critical patent/GB838038A/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
    • F02K1/54—Nozzles having means for reversing jet thrust
    • F02K1/56—Reversing jet main flow
    • F02K1/62—Reversing jet main flow by blocking the rearward discharge by means of flaps
    • 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
    • F02K1/40—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
    • F02K1/42—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet the means being movable into an inoperative position

Landscapes

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

Abstract

838,038. Jet propulsion nozzles. BOEING AIRPLANE CO. May 29, 1958 [Aug. 20, 1957], No. 17197/58. Class 110 (3). [Also in Group XXXIII] The duct leading to the nozzle of a jet propulsion engine and the nozzle itself are formed by the interior wall of a housing 9, Fig. 2 (part radial section) which, going downstream, first diverges and then converges, and by a bulbous plug 1 axially slidable on a central tube 91 by an actuator 10. Normally, the plug is located so that its greatest diameter is in the region of the greatest diameter of the wall, to form a throat in the duct. The plug then covers a set of vanes 2 housed in recesses 97. The plug can be moved axially to vary the area of the throat and nozzle, and in the position shown exposes the vanes 2 which may be swung radially as shown by an acutator 21 to split up the jet stream for noise suppression. The vanes are channel-shaped, open downstream, so that ambient air can flow radially inwards along the channels and mix with the jet. The decrease in nozzle area caused by extending the vanes is compensated for by axial movement of plug 1.
GB17197/58A 1957-08-20 1958-05-29 Improvements in jet engines Expired GB838038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US838038XA 1957-08-20 1957-08-20

Publications (1)

Publication Number Publication Date
GB838038A true GB838038A (en) 1960-06-22

Family

ID=22180806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17197/58A Expired GB838038A (en) 1957-08-20 1958-05-29 Improvements in jet engines

Country Status (1)

Country Link
GB (1) GB838038A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814324A (en) * 1972-06-19 1974-06-04 Gen Electric Propulsion nozzle and actuator system employed therein
GB2293359A (en) * 1994-09-22 1996-03-27 Mtu Muenchen Gmbh Jet engine thrust reversal
EP1190973A2 (en) * 2000-09-22 2002-03-27 Esselte Leitz GmbH & Co. KG Dispenser for adhesive tape

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814324A (en) * 1972-06-19 1974-06-04 Gen Electric Propulsion nozzle and actuator system employed therein
GB2293359A (en) * 1994-09-22 1996-03-27 Mtu Muenchen Gmbh Jet engine thrust reversal
GB2293359B (en) * 1994-09-22 1998-02-18 Mtu Muenchen Gmbh Jet Engine with Thrust Reversal
EP1190973A2 (en) * 2000-09-22 2002-03-27 Esselte Leitz GmbH & Co. KG Dispenser for adhesive tape
EP1190973A3 (en) * 2000-09-22 2003-08-13 Esselte Leitz GmbH & Co. KG Dispenser for adhesive tape

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