CA1016524A - Helicopter rotor blade - Google Patents

Helicopter rotor blade

Info

Publication number: CA1016524A
Authority: CA; Canada
Prior art keywords: rotor blade; helicopter rotor; helicopter; blade; rotor
Prior art date: 1974-01-03
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

CA215,123A

Other versions

CA215123S (en

Inventor

Charles V. Palachek

James L. Spencer

Jan M. Drees

Arthur D. Gravley

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.)

Textron Inc

Original Assignee

Textron Inc

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.)

1974-01-03

Filing date

1974-12-03

Publication date

1977-08-30

1974-12-03 Application filed by Textron Inc filed Critical Textron Inc

1977-08-30 Application granted granted Critical

1977-08-30 Publication of CA1016524A publication Critical patent/CA1016524A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/463—Blade tips
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C2027/4733—Rotor blades substantially made from particular materials
- B64C2027/4736—Rotor blades substantially made from particular materials from composite materials

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Wind Motors (AREA)
Toys (AREA)

CA215,123A 1974-01-03 1974-12-03 Helicopter rotor blade Expired CA1016524A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US43034474A	1974-01-03	1974-01-03

Publications (1)

Publication Number	Publication Date
CA1016524A true CA1016524A (en)	1977-08-30

Family

ID=23707141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA215,123A Expired CA1016524A (en)	1974-01-03	1974-12-03	Helicopter rotor blade

Country Status (6)

Country	Link
JP (1)	JPS50117200A (en)
CA (1)	CA1016524A (en)
DE (1)	DE2461008C2 (en)
FR (1)	FR2256868B1 (en)
GB (1)	GB1492671A (en)
IT (1)	IT1026166B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2507149A1 (en) *	1981-06-05	1982-12-10	Onera (Off Nat Aerospatiale)	END OF BLADE FOR AN AIRCRAFT ROTARY SAIL AND ROTARY VESSEL PROVIDED WITH SUCH EXTREMITES OF BLADE
US4585086A (en) *	1983-08-18	1986-04-29	Honda Giken Kogyo Kabushiki Kaisha	Motor vehicle frame material and frame construction using the same
FR2912990B1 (en) *	2007-02-23	2009-04-24	Eurocopter France	ROTATING BLADE WITH RADIAL STRING AND AT LEAST ONE FRONT AND / OR REAR ARROW STRING
FR3070371B1 (en) *	2017-08-31	2022-09-23	Airbus Helicopters	BLADE, ROTOR EQUIPPED WITH THIS BLADE AND AIRCRAFT EQUIPPED WITH THIS ROTOR
EP3659914B1 (en) *	2018-11-30	2021-04-14	LEONARDO S.p.A.	Rotor for a hover-capable aircraft
CN110884684B (en) *	2019-12-04	2022-04-12	中国直升机设计研究所	Design method for strength test of helicopter after impact of bearingless tail blade
CN115416840A (en) *	2021-05-31	2022-12-02	惠阳航空螺旋桨有限责任公司	Aviation propeller lightning protection system design

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1034985B (en) *	1953-10-21	1958-07-24	Parsons Corp	Metallic rotating wing
US2884078A (en) *	1953-10-21	1959-04-28	Parsons Corp	Rotor blade structure having spanwise reinforcing members
US3155166A (en) *	1962-09-17	1964-11-03	Parsons Corp	Rotor blade including improved attachment of filled aft structure
GB1082352A (en) *	1964-10-02	1967-09-06	Parsons Corp	Improved airfoil construction
GB1214858A (en) *	1968-05-20	1970-12-09	Westland Aircraft Ltd	Improvements in or relating to the construction of rotor blades for rotary wing aircraft

1974
- 1974-12-03 CA CA215,123A patent/CA1016524A/en not_active Expired
- 1974-12-21 DE DE19742461008 patent/DE2461008C2/en not_active Expired
- 1974-12-24 IT IT5476674A patent/IT1026166B/en active
- 1974-12-26 JP JP14850074A patent/JPS50117200A/ja active Pending
1975
- 1975-01-03 GB GB23975A patent/GB1492671A/en not_active Expired
- 1975-01-03 FR FR7500086A patent/FR2256868B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2461008A1 (en)	1975-07-17
FR2256868B1 (en)	1979-04-27
GB1492671A (en)	1977-11-23
IT1026166B (en)	1978-09-20
JPS50117200A (en)	1975-09-12
FR2256868A1 (en)	1975-08-01
DE2461008C2 (en)	1985-09-26

Publication	Publication Date	Title
CA1034871A (en)	1978-07-18	Turbine rotating blade
CA1020335A (en)	1977-11-08	Razor blade assembly
AU496861B2 (en)	1978-11-02	Helicopter rotor
AU500970B2 (en)	1979-06-07	Propellor blade
CA1017732A (en)	1977-09-20	Helicopter blade structure
CA1016927A (en)	1977-09-06	Lightning protected composite helicopter blade
CA1018336A (en)	1977-10-04	Knife assembly
CA1029703A (en)	1978-04-18	Composite rotor blade
GB1538055A (en)	1979-01-10	Helicopter rotor blades
CA1013596A (en)	1977-07-12	Rotor cutter
CA986702A (en)	1976-04-06	Inserted blade cutter
IL46508A0 (en)	1975-06-25	Rotor blade for helicopters
CA962254A (en)	1975-02-04	Helicopter rotor blade
CA1014405A (en)	1977-07-26	Spiker blade
CA923043A (en)	1973-03-20	Rotor blade structure
CA1024047A (en)	1978-01-10	Rotary blade assembly
CA1018461A (en)	1977-10-04	Turbine blade with configured stalk
CA1016524A (en)	1977-08-30	Helicopter rotor blade
CA1030048A (en)	1978-04-25	Shear blade
CA958399A (en)	1974-11-26	Main rotor blade construction
CA988906A (en)	1976-05-11	Helicopter blade
CA1012747A (en)	1977-06-28	Dry shavers
AU497939B2 (en)	1979-01-25	Helicopter blade
AU459383B2 (en)	1975-03-27	Advanced geometry main rotor blade
AU486396B2 (en)	1976-11-18	Helicopter blade structure