GB8613547D0 - Aircraft propeller noise reduction - Google Patents

Aircraft propeller noise reduction

Info

Publication number
GB8613547D0
GB8613547D0 GB868613547A GB8613547A GB8613547D0 GB 8613547 D0 GB8613547 D0 GB 8613547D0 GB 868613547 A GB868613547 A GB 868613547A GB 8613547 A GB8613547 A GB 8613547A GB 8613547 D0 GB8613547 D0 GB 8613547D0
Authority
GB
United Kingdom
Prior art keywords
noise reduction
aircraft propeller
propeller noise
aircraft
reduction
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.)
Granted
Application number
GB868613547A
Other versions
GB2179706B (en
GB2179706A (en
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB8613547D0 publication Critical patent/GB8613547D0/en
Publication of GB2179706A publication Critical patent/GB2179706A/en
Application granted granted Critical
Publication of GB2179706B publication Critical patent/GB2179706B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
GB8613547A 1985-08-09 1986-06-04 Improvements in or relating to aircraft propellers Expired - Fee Related GB2179706B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76414485A 1985-08-09 1985-08-09

Publications (3)

Publication Number Publication Date
GB8613547D0 true GB8613547D0 (en) 1986-07-09
GB2179706A GB2179706A (en) 1987-03-11
GB2179706B GB2179706B (en) 1990-04-18

Family

ID=25069809

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8613547A Expired - Fee Related GB2179706B (en) 1985-08-09 1986-06-04 Improvements in or relating to aircraft propellers

Country Status (7)

Country Link
JP (1) JPS6271800A (en)
CN (1) CN1010205B (en)
DE (1) DE3626192A1 (en)
FR (1) FR2586130B1 (en)
GB (1) GB2179706B (en)
IT (1) IT1198021B (en)
SE (1) SE465870B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913376A (en) * 1988-10-21 1990-04-03 Black Franklin E VTLH autogyro
US5169288A (en) * 1991-09-06 1992-12-08 General Electric Company Low noise fan assembly
AU2003218221A1 (en) 2002-03-15 2003-09-29 Robert Bosch Corporation Engine-cooling fan assembly with overlapping fans
GB0702608D0 (en) * 2007-02-10 2007-03-21 Rolls Royce Plc Aeroengine
GB2482333A (en) * 2010-07-30 2012-02-01 Ge Aviat Systems Ltd Aircraft propeller
EP3248191B1 (en) * 2015-01-20 2021-09-29 Dolby Laboratories Licensing Corporation Modeling and reduction of drone propulsion system noise
EP3390223B1 (en) * 2015-12-18 2022-10-19 Amazon Technologies, Inc. Selecting propellers for performance and noise shaping

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492489A (en) * 1937-11-25 1938-09-21 Hermann Honnef Improvements in and relating to wind-operated power generators
GB521868A (en) * 1938-11-29 1940-06-03 Napier & Son Ltd Improvements in or relating to propelling or impelling apparatus of the axial flow type
FR2367660A1 (en) * 1976-10-14 1978-05-12 Gueguen Alain Gilbert Silencing of multi-engined jet aircraft - has sound waves from two engines arranged to be exactly out of phase with each other
SE433599B (en) * 1981-03-05 1984-06-04 Volvo Penta Ab DOUBLE PROPELLER DRIVE FOR BATAR
DE3519226A1 (en) * 1985-05-30 1986-12-04 Boris Alekseevič Stupino Moskovskaja oblast' Česnokov AIRCRAFT ENGINE

Also Published As

Publication number Publication date
GB2179706B (en) 1990-04-18
SE8603347D0 (en) 1986-08-07
FR2586130B1 (en) 1989-12-22
SE465870B (en) 1991-11-11
GB2179706A (en) 1987-03-11
FR2586130A1 (en) 1987-02-13
CN1010205B (en) 1990-10-31
IT8621463A1 (en) 1988-02-08
IT8621463A0 (en) 1986-08-08
CN86105565A (en) 1987-02-04
JPS6271800A (en) 1987-04-02
IT1198021B (en) 1988-12-21
SE8603347L (en) 1987-02-10
DE3626192A1 (en) 1987-02-19

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Legal Events

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

Effective date: 19940604