NL7215141A - - Google Patents

Info

Publication number: NL7215141A
Authority: NL; Netherlands

Application number

NL7215141A

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

1972-11-09

Publication date

1973-06-15

1972-11-09 Application filed filed Critical

1973-06-15 Publication of NL7215141A publication Critical patent/NL7215141A/xx

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)
Turbine Rotor Nozzle Sealing (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

NL7215141A 1971-12-13 1972-11-09 NL7215141A (fr)

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
NL7215141A true NL7215141A (fr)	1973-06-15

Family

ID=10480036

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7215141A NL7215141A (fr)	1971-12-13	1972-11-09

Country Status (10)

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

Families Citing this family (6)

* 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 (fr) *	2009-04-29	2012-12-12	Eurocopter Deutschland GmbH	Aile de rotor avec élément integral de transmission de tension et de couple et son procédé de fabrication
WO2013105926A1 (fr)	2011-03-22	2013-07-18	Aerovironment Inc.	Aéronef réversible
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

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/fr 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 AU AU48397/72A patent/AU461059B2/en not_active Expired
- 1972-11-01 CA CA155,380A patent/CA953273A/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
AU461059B2 (en)	1975-05-15
FR2163452B1 (fr)	1976-10-29
US3810713A (en)	1974-05-14
CA953273A (en)	1974-08-20
JPS4865700A (fr)	1973-09-10
GB1412105A (en)	1975-10-29
DE2259598A1 (de)	1973-06-20
AU4839772A (en)	1974-05-02
BE792688A (fr)	1973-03-30
FR2163452A1 (fr)	1973-07-27
IT974833B (it)	1974-07-10

Publication	Publication Date	Title
FR2163452B1 (fr)	1976-10-29
AU3005371A (fr)	1972-12-21
AU2485671A (fr)	1972-08-03
AU2952271A (fr)	1972-12-07
AU2941471A (fr)	1972-11-30
AU2894671A (fr)	1972-11-23
AU2885171A (fr)	1972-11-16
AU2940971A (fr)	1972-11-30
AU2854371A (fr)	1972-11-09
AU2875571A (fr)	1972-11-16
AU2930871A (fr)	1972-11-30
AU2880771A (fr)	1972-11-16
AU3038671A (fr)	1973-01-04
AU2837671A (fr)	1972-11-09
AU2486471A (fr)	1972-08-03
AU2927871A (fr)	1972-11-30
AU2938071A (fr)	1972-11-30
AU2473671A (fr)	1972-08-03
AU2415871A (fr)	1972-07-13
AU2399971A (fr)	1972-07-06
AU2836771A (fr)	1972-11-09
AU2755871A (fr)	1972-10-19
AU2963771A (fr)	1972-12-07
AU2907471A (fr)	1972-11-23
AU3025871A (fr)	1973-01-04