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GB2350401A - Silencer for a jet engine - Google Patents

Silencer for a jet engine Download PDF

Info

Publication number
GB2350401A
GB2350401A GB9912118A GB9912118A GB2350401A GB 2350401 A GB2350401 A GB 2350401A GB 9912118 A GB9912118 A GB 9912118A GB 9912118 A GB9912118 A GB 9912118A GB 2350401 A GB2350401 A GB 2350401A
Authority
GB
United Kingdom
Prior art keywords
jet
silencer
vanes
jet engine
tube
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.)
Withdrawn
Application number
GB9912118A
Other versions
GB9912118D0 (en
Inventor
Reginald Fredrick Geor Hayball
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9912118A priority Critical patent/GB2350401A/en
Publication of GB9912118D0 publication Critical patent/GB9912118D0/en
Publication of GB2350401A publication Critical patent/GB2350401A/en
Withdrawn legal-status Critical Current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
    • F02K1/827—Sound absorbing structures or liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/18—Silencing apparatus characterised by method of silencing by using movable parts having rotary movement

Landscapes

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

Abstract

The silencer comprises a tube that fits on to the outlet orifice of the jet engine. Rotatably mounted on a shaft running centrally through the tube is a series of free-running vanes with their blades arranged so that the vanes are rotated by the force of the jet blast in opposite directions to each other, so "chopping up" the sound waves.

Description

2350401 SILENCER' -JET ENGINE.
The Silencer consists of a tube that fits onto the orifice of thejet engine.
A shaft through the centre of this tube, is supported by three arm supports, at both ends of the tube.
Mounted on this shaft are ten 'Vanes' (free running), each vane has three blades. each vane so mounted to turn in opposite directions to each other, clockwise and anti-clockwise. by the force of the jet blast, so 'Chops up the Sound Waves'. Plans enclosed. 3mm clearance between vanes.
Any number of Vanes can be used and any number of blades to Vanes, as might be required.
r-

Claims (3)

1. A silencer for a jet engine, comprising a tubular housing through which the jet blast will pass, and a series of freerunning rotatable vanes mounted on a shaft extending coaxially within the housing, the blades of the vanes being arranged so that adjacent vanes rotate in opposite directions under the force of the jet blast.
2. A jet engine incorporating a silencer according to claim 1.
3. A jet-propelled aeroplane or other vehicle incorporating a silencer according to claim 1.
GB9912118A 1999-05-26 1999-05-26 Silencer for a jet engine Withdrawn GB2350401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9912118A GB2350401A (en) 1999-05-26 1999-05-26 Silencer for a jet engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9912118A GB2350401A (en) 1999-05-26 1999-05-26 Silencer for a jet engine

Publications (2)

Publication Number Publication Date
GB9912118D0 GB9912118D0 (en) 1999-07-28
GB2350401A true GB2350401A (en) 2000-11-29

Family

ID=10854109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9912118A Withdrawn GB2350401A (en) 1999-05-26 1999-05-26 Silencer for a jet engine

Country Status (1)

Country Link
GB (1) GB2350401A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB176883A (en) * 1920-12-15 1922-03-15 Albert Martin A new or improved exhaust gas extractor and silencer for internal combustion engines and the like
GB267816A (en) * 1926-09-27 1927-03-24 Albert Victor Cook A device for silencing and extracting exhaust gases from internal combustion engines
GB303581A (en) * 1927-10-13 1929-01-10 Joseph Frederick William Danby Improvements in or relating to silencers for the exhaust of internal combustion engines
GB305904A (en) * 1928-07-12 1929-02-14 William Henry Standen A silencing chamber for the exhaust of internal combustion engines
US4327815A (en) * 1978-11-13 1982-05-04 Tetsuo Hattori Rotational mechanism disposed within fluid passageway

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB176883A (en) * 1920-12-15 1922-03-15 Albert Martin A new or improved exhaust gas extractor and silencer for internal combustion engines and the like
GB267816A (en) * 1926-09-27 1927-03-24 Albert Victor Cook A device for silencing and extracting exhaust gases from internal combustion engines
GB303581A (en) * 1927-10-13 1929-01-10 Joseph Frederick William Danby Improvements in or relating to silencers for the exhaust of internal combustion engines
GB305904A (en) * 1928-07-12 1929-02-14 William Henry Standen A silencing chamber for the exhaust of internal combustion engines
US4327815A (en) * 1978-11-13 1982-05-04 Tetsuo Hattori Rotational mechanism disposed within fluid passageway

Also Published As

Publication number Publication date
GB9912118D0 (en) 1999-07-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)