DK536377A - Understel til en helikopter - Google Patents

Understel til en helikopter

Info

Publication number: DK536377A
Authority: DK; Denmark
Prior art keywords: helicopter; substrate
Prior art date: 1976-12-03

Application number

DK536377A

Other languages

English (en)

Inventor

C F Niebanck

S A Klusman

I J Kenigsberg

Original Assignee

United Technologies Corp

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.)

1976-12-03

Filing date

1977-12-02

Publication date

1978-06-04

1977-12-02 Application filed by United Technologies Corp filed Critical United Technologies Corp

1978-06-04 Publication of DK536377A publication Critical patent/DK536377A/da

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Aviation & Aerospace Engineering (AREA)
Vehicle Body Suspensions (AREA)
Vibration Prevention Devices (AREA)
Compositions Of Oxide Ceramics (AREA)
Vibration Dampers (AREA)

DK536377A 1976-12-03 1977-12-02 Understel til en helikopter DK536377A (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/747,458 US4142698A (en)	1976-12-03	1976-12-03	Improved aircraft suspension system with mechanism operable to establish system vertical stiffness and damping and mechanism operationally independent thereof to establish system roll stiffness and damping

Publications (1)

Publication Number	Publication Date
DK536377A true DK536377A (da)	1978-06-04

Family

ID=25005143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK536377A DK536377A (da)	1976-12-03	1977-12-02	Understel til en helikopter

Country Status (17)

Country	Link
US (1)	US4142698A (da)
JP (1)	JPS6047157B2 (da)
AU (1)	AU510507B2 (da)
BE (1)	BE861445A (da)
BR (1)	BR7707993A (da)
CA (1)	CA1077454A (da)
CH (1)	CH625173A5 (da)
DE (1)	DE2753775A1 (da)
DK (1)	DK536377A (da)
EG (1)	EG14200A (da)
FR (1)	FR2372726A1 (da)
GB (1)	GB1573688A (da)
IL (1)	IL53517A (da)
IT (1)	IT1088386B (da)
NL (1)	NL186625C (da)
NO (1)	NO143736C (da)
PL (1)	PL120174B1 (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4270711A (en) *	1979-01-29	1981-06-02	Textron, Inc.	Helicopter landing gear with crosstube pivot
FR2874205B1 (fr) *	2004-08-12	2006-09-15	Eurocopter France	Procede et dispositif de suspension active d'un aeronef a voilure tournante
FR2959207B1 (fr) *	2010-04-26	2012-04-20	Eurocopter France	Systeme a absortion d'energie pour un atterisseur, et aeronef muni dudit systeme a absorption d'energie
EP2607232B1 (en) *	2011-12-21	2014-10-29	AIRBUS HELICOPTERS DEUTSCHLAND GmbH	Landing gear vibration absorber for a helicopter and method of operating said landing gear vibration absorber
GB2524762B (en) *	2014-04-01	2020-06-17	Airbus Operations Ltd	Drive system for aircraft landing gear
US10472065B2 (en) *	2015-05-12	2019-11-12	Quanta Associates, L.P.	Hovering aircraft belly bar clasp
US10507920B2 (en) *	2015-05-18	2019-12-17	Sikorsky Aircraft Corp.	Systems and methods for lifting body vibration control
FR3069228B1 (fr)	2017-07-18	2020-07-31	Airbus Helicopters	Giravion muni d'au moins un train d'atterrisage ayant au moins une roue inclinee et procede
WO2019067873A1 (en) *	2017-09-29	2019-04-04	Georgia Tech Research Corporation	CABLE-DRIVEN FOUR-BAR LINK LEG MECHANISM
CN111959749B (zh) *	2020-07-16	2022-04-19	南京航空航天大学	具备地形自适应起降和行走能力的直升机四足起落架
CN112977806B (zh) *	2021-03-04	2022-04-22	南京航空航天大学	一种自适应行走起落架及其控制方法
US11987346B1 (en) *	2022-12-27	2024-05-21	Wing Aviation Llc	UAV landing gear with shared suspension

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB441432A (en) *	1935-01-21	1936-01-20	G & J Weir Ltd	Improvements in or relating to undercarriages for aircraft
US2139192A (en) *	1935-01-28	1938-12-06	Krekel Paul	Aircraft undercarriage
US2326210A (en) *	1941-03-14	1943-08-10	Kellett Autogiro Corp	Aircraft landing gear
GB745915A (en) *	1953-02-09	1956-03-07	British Messier Ltd	Improvements in or relating to shock absorbers for aircraft
US2933270A (en) *	1954-06-04	1960-04-19	Menasco Mfg Company	Landing gear for helicopters
US2933271A (en) *	1954-07-09	1960-04-19	Menasco Mfg Company	Landing gear for helicopters
US2774553A (en) *	1955-04-04	1956-12-18	United Aircraft Corp	Damper by-pass for lag-lead control of helicopter rotor blades
US3042345A (en) *	1957-08-05	1962-07-03	Jr Raymond Prunty Holland	Control-augmenting landing gear
US3173632A (en) *	1962-07-30	1965-03-16	Del Mar Eng Lab	Landing gear for hovering type aircraft
US3807668A (en) *	1971-02-04	1974-04-30	Us Federal Aviation Admin	Anti-roll hydraulic analog damping device

1976
- 1976-12-03 US US05/747,458 patent/US4142698A/en not_active Expired - Lifetime
1977
- 1977-12-01 BR BR7707993A patent/BR7707993A/pt unknown
- 1977-12-02 CH CH1474377A patent/CH625173A5/de not_active IP Right Cessation
- 1977-12-02 BE BE183124A patent/BE861445A/xx not_active IP Right Cessation
- 1977-12-02 DK DK536377A patent/DK536377A/da not_active Application Discontinuation
- 1977-12-02 IL IL53517A patent/IL53517A/xx unknown
- 1977-12-02 NL NLAANVRAGE7713354,A patent/NL186625C/xx not_active IP Right Cessation
- 1977-12-02 GB GB50418/77A patent/GB1573688A/en not_active Expired
- 1977-12-02 NO NO774119A patent/NO143736C/no unknown
- 1977-12-02 DE DE19772753775 patent/DE2753775A1/de active Granted
- 1977-12-02 IT IT30313/77A patent/IT1088386B/it active
- 1977-12-02 CA CA292,295A patent/CA1077454A/en not_active Expired
- 1977-12-02 AU AU31165/77A patent/AU510507B2/en not_active Expired
- 1977-12-02 JP JP52145602A patent/JPS6047157B2/ja not_active Expired
- 1977-12-02 PL PL1977202598A patent/PL120174B1/pl unknown
- 1977-12-03 EG EG669/77A patent/EG14200A/xx active
- 1977-12-05 FR FR7736567A patent/FR2372726A1/fr active Granted

Also Published As

Publication number	Publication date
NO143736C (no)	1981-04-08
NL186625B (nl)	1990-08-16
CA1077454A (en)	1980-05-13
FR2372726A1 (fr)	1978-06-30
DE2753775A1 (de)	1978-06-08
IL53517A (en)	1980-05-30
JPS6047157B2 (ja)	1985-10-19
BE861445A (fr)	1978-03-31
PL120174B1 (en)	1982-02-27
NO143736B (no)	1980-12-29
AU510507B2 (en)	1980-06-26
JPS5373799A (en)	1978-06-30
NL186625C (nl)	1991-01-16
NO774119L (no)	1978-06-06
BR7707993A (pt)	1978-08-15
PL202598A1 (pl)	1978-07-31
NL7713354A (nl)	1978-06-06
DE2753775C2 (da)	1988-02-04
EG14200A (en)	1983-09-30
IT1088386B (it)	1985-06-10
US4142698A (en)	1979-03-06
AU3116577A (en)	1979-06-07
FR2372726B1 (da)	1983-03-25
CH625173A5 (da)	1981-09-15
GB1573688A (en)	1980-08-28

Legal Events

Date	Code	Title	Description
1987-09-28	AHB	Application shelved due to non-payment

Publication	Publication Date	Title
PL200750A1 (pl)	1979-05-07	Srodek chwastobojczy
PL198145A1 (pl)	1978-02-27	Srodek chwastobojczy
PL201648A1 (pl)	1978-06-05	Srodek chwastobojczy
DK429477A (da)	1978-03-30	Flyvemaskiner
IT1087608B (it)	1985-06-04	Procedimento per formare uno strato monocristallino su un substrato
DK536377A (da)	1978-06-04	Understel til en helikopter
PL199969A1 (pl)	1978-03-13	Srodek chwastobojczy
SE7705438L (sv)	1977-11-23	Element for systembygglada
DK155257C (da)	1989-07-24	Kompasdrivanlaeg, specielt til et radaranlaeg
PL196753A1 (pl)	1978-01-16	Srodek chwastobojczy
FI773086A (fi)	1978-04-22	Backspegel foer fordon
DK154498C (da)	1989-04-10	Fremgangsmaade til modificering af en glasoverflade
PL198477A1 (pl)	1978-02-27	Srodek chwastobojczy
PL203087A1 (pl)	1978-07-17	Srodek chwastobojczy
PL194293A1 (pl)	1978-03-28	Srodek chwastobojczy
SE7710340L (sv)	1978-03-17	Anordning for instellning av en typberare
PL202799A1 (pl)	1978-08-28	Srodek chwastobojczy
DK420477A (da)	1978-03-25	Spaerreorgan til moentkanal
PL197043A1 (pl)	1978-03-13	Srodek chwastobojczy
DK288177A (da)	1978-01-02	Stempel til ekstruderingsbeholder
PL200001A1 (pl)	1978-03-28	Srodek chwastobojczy
DK184277A (da)	1977-11-28	Fremgangsmade til dekoffeinering
PL196669A1 (pl)	1978-01-02	Srodek chwastobojczy
PL197958A1 (pl)	1978-01-30	Srodek chwastobojczy
PL200475A1 (pl)	1978-05-08	Srodek chwastobojczy