NL177992C - Hefschroefvliegtuig. - Google Patents

Hefschroefvliegtuig.

Info

Publication number
NL177992C
NL177992C NLAANVRAGE7213233,A NL7213233A NL177992C NL 177992 C NL177992 C NL 177992C NL 7213233 A NL7213233 A NL 7213233A NL 177992 C NL177992 C NL 177992C
Authority
NL
Netherlands
Prior art keywords
helicopter
Prior art date
Application number
NLAANVRAGE7213233,A
Other languages
English (en)
Other versions
NL177992B (nl
NL7213233A (nl
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.)
Filing date
Publication date
Application filed by Textron Inc filed Critical Textron Inc
Publication of NL7213233A publication Critical patent/NL7213233A/xx
Publication of NL177992B publication Critical patent/NL177992B/nl
Application granted granted Critical
Publication of NL177992C publication Critical patent/NL177992C/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/002—Vibration damping devices mounted between the rotor drive and the fuselage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/001—Vibration damping devices
    • B64C2027/005—Vibration damping devices using suspended masses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Catching Or Destruction (AREA)
NLAANVRAGE7213233,A 1971-10-18 1972-09-29 Hefschroefvliegtuig. NL177992C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18994571A 1971-10-18 1971-10-18
US22344272A 1972-02-04 1972-02-04

Publications (3)

Publication Number Publication Date
NL7213233A NL7213233A (nl) 1973-04-24
NL177992B NL177992B (nl) 1985-08-01
NL177992C true NL177992C (nl) 1986-01-02

Family

ID=26885636

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7213233,A NL177992C (nl) 1971-10-18 1972-09-29 Hefschroefvliegtuig.

Country Status (14)

Country Link
JP (1) JPS5637120B2 (nl)
AR (1) AR195795A1 (nl)
AU (1) AU465345B2 (nl)
BE (1) BE790113A (nl)
CH (1) CH549497A (nl)
DE (1) DE2243337C3 (nl)
FR (1) FR2156749B1 (nl)
GB (1) GB1368187A (nl)
IL (1) IL40137A (nl)
IT (1) IT965293B (nl)
LU (1) LU66040A1 (nl)
NL (1) NL177992C (nl)
NO (1) NO138439C (nl)
TR (1) TR17775A (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2232481B1 (nl) * 1973-06-08 1976-05-07 Aerospatiale
GB1498222A (en) * 1974-06-03 1978-01-18 Textron Inc Vibration isolation in helicopters
US4140028A (en) * 1977-09-13 1979-02-20 The Boeing Company Vibration isolation system
US5118051A (en) * 1989-04-18 1992-06-02 United Technologies Corporation Roll vibration absorber

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514054A (en) * 1967-06-05 1970-05-26 United Aircraft Corp Vibration isolation system

Also Published As

Publication number Publication date
IT965293B (it) 1974-01-31
NL177992B (nl) 1985-08-01
NL7213233A (nl) 1973-04-24
IL40137A (en) 1974-11-29
AU465345B2 (en) 1975-09-25
CH549497A (it) 1974-05-31
GB1368187A (en) 1974-09-25
IL40137A0 (en) 1972-11-28
JPS4849198A (nl) 1973-07-11
LU66040A1 (nl) 1973-01-17
JPS5637120B2 (nl) 1981-08-28
DE2243337B2 (de) 1980-12-04
BE790113A (fr) 1973-04-13
FR2156749A1 (nl) 1973-06-01
FR2156749B1 (nl) 1976-08-20
AU4585972A (en) 1974-02-28
NO138439C (no) 1978-09-06
DE2243337A1 (de) 1973-04-26
DE2243337C3 (de) 1981-08-27
TR17775A (tr) 1976-09-01
NO138439B (no) 1978-05-29
AR195795A1 (es) 1973-11-09

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee