CA953273A - Helicopter rotor systems - Google Patents

Helicopter rotor systems

Info

Publication number: CA953273A
Authority: CA; Canada
Prior art keywords: helicopter rotor; rotor systems; systems; helicopter; rotor
Prior art date: 1971-12-13
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

CA155,380A

Other languages

English (en)

Other versions

CA155380S (en

Inventor

Walter C. Joiner

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.)

Westland Group PLC

Original Assignee

Westland Aircraft Ltd

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.)

1971-12-13

Filing date

1972-11-01

Publication date

1974-08-20

1972-11-01 Application filed by Westland Aircraft Ltd filed Critical Westland Aircraft Ltd

1974-08-20 Application granted granted Critical

1974-08-20 Publication of CA953273A publication Critical patent/CA953273A/en

Status Expired legal-status Critical Current

Links

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
- B64C27/48—Root attachment to rotor head
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/65—Vaporizers

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Turbine Rotor Nozzle Sealing (AREA)

CA155,380A 1971-12-13 1972-11-01 Helicopter rotor systems Expired CA953273A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5779371A GB1412105A (en)	1971-12-13	1971-12-13	Helicopter rotors

Publications (1)

Publication Number	Publication Date
CA953273A true CA953273A (en)	1974-08-20

Family

ID=10480036

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA155,380A Expired CA953273A (en)	1971-12-13	1972-11-01	Helicopter rotor systems

Country Status (10)

Country	Link
US (1)	US3810713A (ja)
JP (1)	JPS4865700A (ja)
AU (1)	AU461059B2 (ja)
BE (1)	BE792688A (ja)
CA (1)	CA953273A (ja)
DE (1)	DE2259598A1 (ja)
FR (1)	FR2163452B1 (ja)
GB (1)	GB1412105A (ja)
IT (1)	IT974833B (ja)
NL (1)	NL7215141A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1535391A (en) *	1976-05-11	1978-12-13	Westland Aircraft Ltd	Helicopter rotors
DK463183D0 (da) *	1983-10-07	1983-10-07	Nordisk Ventilator	Skovl med skovlaksel til et aksialblaeserhjul
IT1240175B (it) *	1990-04-06	1993-11-27	Agusta Spa	Pala per elicottero
EP2246259B1 (en) *	2009-04-29	2012-12-12	Eurocopter Deutschland GmbH	Rotor wing with integrated tension-torque-transmission element and method for its production
WO2013105926A1 (en)	2011-03-22	2013-07-18	Aerovironment Inc.	Invertible aircraft
FR3097835A1 (fr)	2019-06-27	2021-01-01	Airbus Helicopters	Hélice d’avancement munie de pales interchangeables et procédé de montage de pales interchangeables sur une hélice d’avancement
US12600459B1 (en) *	2024-04-25	2026-04-14	Anduril Industries, Inc.	Blade manufacturing for vertical take-off dual-engine aircraft

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1645811A (en) *	1924-07-17	1927-10-18	Junkers Hugo	Propeller
US1873664A (en) *	1931-05-13	1932-08-23	Chet E Rickard	Air foil
GB470757A (en) *	1936-02-17	1937-08-17	Harold Hay Hutchison	Improvements in or relating to rotary wing aircraft
US2146367A (en) *	1936-03-07	1939-02-07	Engineering & Res Corp	Propeller
US3237697A (en) *	1963-02-11	1966-03-01	Boeing Co	Helicopter rotor blade
US3174553A (en) *	1963-09-30	1965-03-23	Schwitzer Corp	Reversible fan assembly
US3254724A (en) *	1964-08-14	1966-06-07	Bell Aerospace Corp	Rotor mounting means
DE1531355B1 (de) *	1967-07-01	1970-07-23	Bolkow Gmbh	schlag-und schwenkgelenklose aufhangung der roterblatter eines drehflugelflgzeuges am roterkopf.
FR1542617A (fr) *	1967-07-31	1968-10-18	Sud Aviation	Perfectionnements apportés aux rotors pour aérodynes à voilure tournante
US3484174A (en) *	1968-04-08	1969-12-16	Kaman Corp	Rotary wing system

0
- BE BE792688D patent/BE792688A/xx unknown
1971
- 1971-12-13 GB GB5779371A patent/GB1412105A/en not_active Expired
1972
- 1972-10-30 US US00301714A patent/US3810713A/en not_active Expired - Lifetime
- 1972-11-01 CA CA155,380A patent/CA953273A/en not_active Expired
- 1972-11-01 AU AU48397/72A patent/AU461059B2/en not_active Expired
- 1972-11-09 NL NL7215141A patent/NL7215141A/xx unknown
- 1972-11-16 IT IT7254091A patent/IT974833B/it active
- 1972-11-27 FR FR7242011A patent/FR2163452B1/fr not_active Expired
- 1972-12-06 DE DE2259598A patent/DE2259598A1/de active Pending
- 1972-12-07 JP JP47122112A patent/JPS4865700A/ja active Pending

Also Published As

Publication number	Publication date
FR2163452B1 (ja)	1976-10-29
DE2259598A1 (de)	1973-06-20
NL7215141A (ja)	1973-06-15
BE792688A (fr)	1973-03-30
IT974833B (it)	1974-07-10
AU461059B2 (en)	1975-05-15
US3810713A (en)	1974-05-14
GB1412105A (en)	1975-10-29
FR2163452A1 (ja)	1973-07-27
AU4839772A (en)	1974-05-02
JPS4865700A (ja)	1973-09-10

Publication	Publication Date	Title
CA961464A (en)	1975-01-21	Rotor system
CA954931A (en)	1974-09-17	Electromagnet-controlling system
CA953276A (en)	1974-08-20	Helicopter blade
CA944340A (en)	1974-03-26	Aircraft
CA923043A (en)	1973-03-20	Rotor blade structure
CA971513A (en)	1975-07-22	Sway-arrest system
CA969157A (en)	1975-06-10	Aircraft
CA951301A (en)	1974-07-16	Helicopter rotor system
AU461059B2 (en)	1975-05-15	Improvements in or relating to helicopter rotor systems
CA943521A (en)	1974-03-12	Parachutes
AU472148B2 (en)	1976-05-20	Systems
CA965397A (en)	1975-04-01	Helicopters
AU3901972A (en)	1973-08-23	Skid-control system
CA884751A (en)	1971-11-02	Rotor head for helicopter
CA866626A (en)	1971-03-23	Helicopter rotor transmission system
AU445139B2 (en)	1974-01-30	Parachute
AU432145B2 (en)	1973-01-30	Helicopter
CA874836A (en)	1971-07-06	Helicopter
CA969156A (en)	1975-06-10	Aircraft
CA888413A (en)	1971-12-14	Flight aid systems
CA860527A (en)	1971-01-05	Terrain-following system
AU4002472A (en)	1973-09-20	QUINOXALINE-din-OXIDES
CA885672A (en)	1971-11-09	Landing systems
CA864953A (en)	1971-03-02	Aircraft
CA930346A (en)	1973-07-17	Aircraft