GB1553012A - Method for reducing the noise level in a turbofan engine and turbofan engine - Google Patents

Method for reducing the noise level in a turbofan engine and turbofan engine

Info

Publication number
GB1553012A
GB1553012A GB1887777A GB1887777A GB1553012A GB 1553012 A GB1553012 A GB 1553012A GB 1887777 A GB1887777 A GB 1887777A GB 1887777 A GB1887777 A GB 1887777A GB 1553012 A GB1553012 A GB 1553012A
Authority
GB
United Kingdom
Prior art keywords
turbofan engine
reducing
noise level
turbofan
engine
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
GB1887777A
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of GB1553012A publication Critical patent/GB1553012A/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
    • F02K1/38—Introducing air inside the jet
    • F02K1/386—Introducing air inside the jet mixing devices in the jet pipe, e.g. for mixing primary and secondary flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB1887777A 1976-05-13 1977-05-05 Method for reducing the noise level in a turbofan engine and turbofan engine Expired GB1553012A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68594876A 1976-05-13 1976-05-13
US68594776A 1976-05-13 1976-05-13

Publications (1)

Publication Number Publication Date
GB1553012A true GB1553012A (en) 1979-09-19

Family

ID=27103708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1887777A Expired GB1553012A (en) 1976-05-13 1977-05-05 Method for reducing the noise level in a turbofan engine and turbofan engine

Country Status (5)

Country Link
JP (1) JPS52137524A (en)
DE (1) DE2720242A1 (en)
FR (1) FR2351265A1 (en)
GB (1) GB1553012A (en)
IT (1) IT1085131B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226085A (en) * 1978-02-13 1980-10-07 United Technologies Corporation Unitary plug mixer and support therefor
FR2438168A1 (en) * 1978-10-03 1980-04-30 Boeing Co Noise suppressing exhaust mixer for ducted-fan, turbojet engine - has annular corrugated duct positioned coaxially with sleeve including concentric bulb-shaped plug
US4592201A (en) * 1982-07-12 1986-06-03 General Electric Company Turbofan mixed flow exhaust system
KR101204891B1 (en) 2010-07-30 2012-11-26 삼성테크윈 주식회사 Turbojet engine and turbofan engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1300908A (en) * 1961-06-29 1962-08-10 Snecma Improvement in bypass reactors
FR1579526A (en) * 1968-02-29 1969-08-29
US3527317A (en) * 1969-04-18 1970-09-08 Gen Electric Sound control of turbofan engines
US3578106A (en) * 1969-10-15 1971-05-11 Rohr Corp Turbofan propulsion silencing apparatus
GB1498193A (en) * 1974-09-19 1978-01-18 Rolls Royce Silencing of jet engines

Also Published As

Publication number Publication date
DE2720242A1 (en) 1977-11-24
IT1085131B (en) 1985-05-28
JPS52137524A (en) 1977-11-17
FR2351265A1 (en) 1977-12-09

Similar Documents

Publication Publication Date Title
GB1549893A (en) Method and device for reducing the noise of turbomachines
JPS5314214A (en) Combustion method and equipment
JPS51146614A (en) Method of reducing noise in turbofan engine poeration
ZA774709B (en) Reducing noise in uranium exploration
JPS5311221A (en) Diesel engine
GB2001019B (en) Method for producing a thrust in manoeuvring engines for watercraft and a manoeuvring engine construc.for the same
JPS5324910A (en) Opennpassage liqulddcooled turbine and operation method thereof
JPS5347715A (en) Method and device for reducing quasiicrosstalk noise
JPS52145624A (en) Protector for internal combustion engine and the like
JPS5344735A (en) Fuel injection system and method thereof
GB1553012A (en) Method for reducing the noise level in a turbofan engine and turbofan engine
JPS52118633A (en) Twoostage combustion method
JPS5349610A (en) Diesel engine
JPS52139961A (en) Wiring structure and method therefor
AU503011B1 (en) Reducing noise in uranium exploration
GB1532761A (en) 7alpha-methoxy-cephalosporins and method for producing the same
JPS5364001A (en) Method and device for silencing highhspeed jet
JPS537664A (en) Compound and method
JPS5322665A (en) Filter and backkwashing method therefor
JPS5349625A (en) Method for after leakage prevention in diesel engine
JPS5374401A (en) Simple method and device for preventing noises
JPS52150821A (en) Combustion method and its device
JPS5298845A (en) Turbine engine
JPS52131229A (en) Nonnstoichiometric combustion method in combustion device
JPS5326324A (en) Deodrizing method and deodrant

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee