GB2197913B - Counterrotating aircraft propulsor blades - Google Patents

Counterrotating aircraft propulsor blades

Info

Publication number: GB2197913B
Authority: GB; United Kingdom
Prior art keywords: aircraft propulsor; propulsor blades; counterrotating; counterrotating aircraft; blades
Prior art date: 1986-11-19
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 - Lifetime

Application number

GB8727010A

Other versions

GB8727010D0 (en

GB2197913A (en

Inventor

Joey Lynn Nelson

Iii Sidney Baker Elston

Wu-Yang Tseng

Martin Carl Hemsworth

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.)

1986-11-19

Filing date

1987-11-18

Publication date

1991-07-31

1987-11-18 Application filed by General Electric Co filed Critical General Electric Co

1987-12-23 Publication of GB8727010D0 publication Critical patent/GB8727010D0/en

1988-06-02 Publication of GB2197913A publication Critical patent/GB2197913A/en

1991-07-31 Application granted granted Critical

1991-07-31 Publication of GB2197913B publication Critical patent/GB2197913B/en

2007-11-18 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- B64C11/16—Blades
- B64C11/18—Aerodynamic features
- 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
- B64C11/16—Blades
- B64C11/20—Constructional features

Landscapes

Engineering & Computer Science (AREA)
Aviation & Aerospace Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Retarders (AREA)
General Details Of Gearings (AREA)

GB8727010A 1986-11-19 1987-11-18 Counterrotating aircraft propulsor blades Expired - Lifetime GB2197913B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US93242786A	1986-11-19	1986-11-19
CA000556028A CA1319357C (en)	1986-11-19	1988-01-07	Counterrotating aircraft propulsor blades

Publications (3)

Publication Number	Publication Date
GB8727010D0 GB8727010D0 (en)	1987-12-23
GB2197913A GB2197913A (en)	1988-06-02
GB2197913B true GB2197913B (en)	1991-07-31

Family

ID=25671654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8727010A Expired - Lifetime GB2197913B (en)	1986-11-19	1987-11-18	Counterrotating aircraft propulsor blades

Country Status (6)

Country	Link
JP (1)	JPS63173793A (en)
CA (1)	CA1319357C (en)
DE (1)	DE3738785A1 (en)
FR (1)	FR2608994A1 (en)
GB (1)	GB2197913B (en)
SE (1)	SE8704481L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2220712B (en) *	1988-07-13	1992-12-09	Rolls Royce Plc	Open rotor blading
CN1042692A (en) *	1988-11-14	1990-06-06	通用电气公司	Reversed airplane propeller blades
DE4411679C1 (en) *	1994-04-05	1994-12-01	Mtu Muenchen Gmbh	Blade of fibre-composite construction having a protective profile
US6071077A (en) *	1996-04-09	2000-06-06	Rolls-Royce Plc	Swept fan blade
GB2482545B (en)	2010-08-06	2017-05-03	Ge Aviat Systems Ltd	Aircraft propellers with composite blades mounted to a single propeller hub
FR2976551B1 (en) *	2011-06-20	2013-06-28	Snecma	BLADE, ESPECIALLY A VARIABLE SHAFT, PROPELLER COMPRISING SUCH BLADES, AND CORRESPONDING TURBOMACHINE

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB831380A (en) *	1957-05-09	1960-03-30	United Aircraft Corp	Aircraft sustaining or propelling blades
GB1083175A (en) *	1965-08-13	1967-09-13	British Aircraft Corp Ltd	Blades for high-speed axial-flow compressors
GB1276356A (en) *	1969-07-18	1972-06-01	Rolls Royce	Method of forming an aerofoil-shaped blade
GB1330565A (en) *	1970-03-19	1973-09-19	Fluor Prod Co Inc	Fan assemblies and blades therefor
GB1364006A (en) *	1972-02-28	1974-08-21	United Aircraft Corp	Fan blade and method of construction
GB1433519A (en) *	1972-08-04	1976-04-28	Snecma	Turbomachine blades made of composite fibres
WO1981000243A1 (en) *	1979-07-16	1981-02-05	United Technologies Corp	Noise reduction means for prop-fan and the construction thereof
US4407635A (en) *	1979-01-08	1983-10-04	Trw Inc.	Aircraft propeller assembly with composite blades
GB2170868A (en) *	1985-02-07	1986-08-13	United Technologies Corp	Prop-fan

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR876961A (en) *	1940-11-11	1942-11-24		Overhead propeller hollow blade, balanced by variable counterweights
US2306177A (en) *	1941-05-22	1942-12-22	Otto W Mattson	Propeller blade
US2698666A (en) *	1952-07-01	1955-01-04	Gen Motors Corp	Propeller blade
US3903578A (en) *	1972-02-28	1975-09-09	United Aircraft Corp	Composite fan blade and method of construction
BR8105757A (en) *	1980-10-02	1982-05-25	United Technologies Corp	PROCESS FOR THE PRODUCTION OF AN AEROPOLY

1987
- 1987-11-14 DE DE19873738785 patent/DE3738785A1/en not_active Withdrawn
- 1987-11-16 SE SE8704481A patent/SE8704481L/en not_active Application Discontinuation
- 1987-11-18 GB GB8727010A patent/GB2197913B/en not_active Expired - Lifetime
- 1987-11-19 FR FR8715983A patent/FR2608994A1/en not_active Withdrawn
- 1987-11-19 JP JP62290799A patent/JPS63173793A/en active Pending
1988
- 1988-01-07 CA CA000556028A patent/CA1319357C/en not_active Expired - Fee Related

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB831380A (en) *	1957-05-09	1960-03-30	United Aircraft Corp	Aircraft sustaining or propelling blades
GB1083175A (en) *	1965-08-13	1967-09-13	British Aircraft Corp Ltd	Blades for high-speed axial-flow compressors
GB1276356A (en) *	1969-07-18	1972-06-01	Rolls Royce	Method of forming an aerofoil-shaped blade
GB1330565A (en) *	1970-03-19	1973-09-19	Fluor Prod Co Inc	Fan assemblies and blades therefor
GB1364006A (en) *	1972-02-28	1974-08-21	United Aircraft Corp	Fan blade and method of construction
GB1433519A (en) *	1972-08-04	1976-04-28	Snecma	Turbomachine blades made of composite fibres
US4407635A (en) *	1979-01-08	1983-10-04	Trw Inc.	Aircraft propeller assembly with composite blades
WO1981000243A1 (en) *	1979-07-16	1981-02-05	United Technologies Corp	Noise reduction means for prop-fan and the construction thereof
GB2170868A (en) *	1985-02-07	1986-08-13	United Technologies Corp	Prop-fan

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO81/00243 *

Also Published As

Publication number	Publication date
GB8727010D0 (en)	1987-12-23
SE8704481L (en)	1988-05-20
FR2608994A1 (en)	1988-07-01
DE3738785A1 (en)	1988-05-26
JPS63173793A (en)	1988-07-18
SE8704481D0 (en)	1987-11-16
CA1319357C (en)	1993-06-22
GB2197913A (en)	1988-06-02

Publication	Publication Date	Title
EP0322344A3 (en)	1990-06-06	Aircraft propeller blade retention
EP0353672A3 (en)	1990-09-19	Composite propeller blades
GB2230298B (en)	1993-09-22	Geared counterrotating turbine/fan propulsion system
GB8707806D0 (en)	1987-05-07	Aircraft composite parts
GB8705629D0 (en)	1987-04-15	Motorboat propeller guard
GB8706455D0 (en)	1987-04-23	Blades for propeller fan
GB2225304B (en)	1992-08-05	Propeller shroud
GB8722207D0 (en)	1987-10-28	Aircraft loader
GB8707726D0 (en)	1987-05-07	Aircraft loader
GB9023914D0 (en)	1990-12-12	Aeroplane propeller
GB8800932D0 (en)	1988-02-17	Propeller blade assembly
GB8713612D0 (en)	1987-07-15	Aircraft thrust control
GB2199795B (en)	1990-08-29	Aircraft propulsion
GB8918334D0 (en)	1989-09-20	Propeller blade retention system
GB8713798D0 (en)	1987-07-15	Aircraft thrust control
GB8723247D0 (en)	1987-11-04	Propeller blade systems
GB8706367D0 (en)	1987-04-23	Cutting blades
GB9012432D0 (en)	1990-07-25	Connection system for aircraft propeller blades
DE3760575D1 (en)	1989-10-26	Aerial propellers, in particular for aircraft propulsion
GB2197913B (en)	1991-07-31	Counterrotating aircraft propulsor blades
GB8621632D0 (en)	1986-10-15	Marine propellers
GB2179706B (en)	1990-04-18	Improvements in or relating to aircraft propellers
GB2189752B (en)	1989-11-29	Weight-shift aircraft
PL263341A1 (en)	1988-09-29	Copier-miller for aviation propeller blades
GB8617212D0 (en)	1986-08-20	Aircraft flying controls

Legal Events

Date	Code	Title	Description
1992-03-25	746	Register noted 'licences of right' (sect. 46/1977)
1994-07-13	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19931118