CA960634A - Compound bearing for connecting a helicopter blade to a helicopter rotor - Google Patents

Compound bearing for connecting a helicopter blade to a helicopter rotor

Info

Publication number
CA960634A
CA960634A CA171,682A CA171682A CA960634A CA 960634 A CA960634 A CA 960634A CA 171682 A CA171682 A CA 171682A CA 960634 A CA960634 A CA 960634A
Authority
CA
Canada
Prior art keywords
helicopter
compound bearing
blade
rotor
helicopter rotor
Prior art date
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
CA171,682A
Other languages
English (en)
Other versions
CA171682S (en
Inventor
Robert C. Rybicki
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.)
RTX Corp
Original Assignee
United Aircraft 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.)
Filing date
Publication date
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of CA960634A publication Critical patent/CA960634A/en
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
    • B64C27/35—Rotors having elastomeric joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Support Of The Bearing (AREA)
CA171,682A 1972-07-05 1973-05-17 Compound bearing for connecting a helicopter blade to a helicopter rotor Expired CA960634A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26896572A 1972-07-05 1972-07-05

Publications (1)

Publication Number Publication Date
CA960634A true CA960634A (en) 1975-01-07

Family

ID=23025277

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,682A Expired CA960634A (en) 1972-07-05 1973-05-17 Compound bearing for connecting a helicopter blade to a helicopter rotor

Country Status (7)

Country Link
US (1) US3759631A (en, 2012)
JP (1) JPS4943395A (en, 2012)
CA (1) CA960634A (en, 2012)
DE (1) DE2331381A1 (en, 2012)
FR (1) FR2190664B1 (en, 2012)
GB (1) GB1427983A (en, 2012)
IT (1) IT990913B (en, 2012)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2452974C3 (de) * 1974-11-08 1978-03-09 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Hubschrauberrotorblatt
JPS51125468A (en) * 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
JPS51134094U (en, 2012) * 1975-04-21 1976-10-29
JPS51134095U (en, 2012) * 1975-04-21 1976-10-29
DE2643166A1 (de) * 1975-11-03 1977-05-12 United Technologies Corp Elastomeres lager fuer hubschrauberrotor
JPS5259690A (en) * 1975-11-12 1977-05-17 Sanyo Chem Ind Ltd Preparation of water absorbing resin
JPS5282715A (en) * 1975-12-29 1977-07-11 Sanyo Chem Ind Ltd Long acting drug composition
US4028002A (en) * 1976-03-01 1977-06-07 Lord Corporation Rotor blade retention system
GB1514347A (en) * 1976-03-05 1978-06-14 Westland Aircraft Ltd Helicopter rotors
US4059114A (en) * 1976-05-12 1977-11-22 Minnesota Mining And Manufacturing Company Garment shield
JPS537996U (en, 2012) * 1976-07-01 1978-01-24
JPS5322597U (en, 2012) * 1976-08-04 1978-02-25
GB1539200A (en) * 1976-12-08 1979-01-31 Westland Aircraft Ltd Helicopter rotors
JPS5388582U (en, 2012) * 1976-12-21 1978-07-20
US4251187A (en) * 1978-05-25 1981-02-17 Kaman Aerospace Corporation Blade retention bearing for helicopter rotor
JPS5589438U (en, 2012) * 1978-12-15 1980-06-20
US4242047A (en) * 1979-05-02 1980-12-30 United Technologies Corporation Adjustable bearing centering means for helicopter rotor elastomeric bearings
US4284387A (en) * 1979-05-02 1981-08-18 United Technologies Corp. Blade fold restraint system
JPS5940035Y2 (ja) * 1979-09-11 1984-11-12 第一衛材株式会社 母乳吸収パツド
JPS57197937U (en, 2012) * 1981-06-08 1982-12-15
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
US6087002A (en) * 1988-06-28 2000-07-11 Nippon Shokubai Kagaku Kogyo Co. Ltd. Water absorbent resin
CA2004864A1 (en) 1988-12-08 1990-06-08 Kinya Nagasuna Method for production of absorbent resin excelling in durability
WO1995034377A1 (fr) * 1994-06-13 1995-12-21 Nippon Shokubai Co., Ltd. Produit absorbant l'eau, son procede de production, et article absorbant le renfermant
USRE38444E1 (en) 1994-06-13 2004-02-24 Nippon Shokubai Co., Ltd. Absorbing agent, process of manufacturing same, and absorbent product containing same
GB2303208B (en) 1995-07-08 1998-01-21 Akio Usui Viscous liquid exothermic composition,exothermic device made thereof and manufacturing method of exothermic device
US6720389B2 (en) 2000-09-20 2004-04-13 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process therefor
CN100439425C (zh) 2003-03-17 2008-12-03 住友精化株式会社 吸水性树脂粒子的制造方法
CA2533523C (en) 2003-08-27 2010-03-30 Bell Helicopter Textron Inc. Soft in-plane rotor hub
US20090169891A1 (en) 2006-03-31 2009-07-02 Asahi Kasei Chemicals Corporation Water Absorbing Resin Particle Agglomerates and Manufacturing Method of the Same
CA2662744C (en) * 2006-06-20 2012-04-17 Bell Helicopter Textron Inc. Centrifugal force bearing with steady pitching moment
WO2010068194A1 (en) * 2008-12-09 2010-06-17 Sikorsky Aircraft Corporation Lead stop for rotor system with fluid-elastomeric lead/lag damper
KR101735021B1 (ko) * 2009-11-23 2017-05-12 로오드 코포레이션 회전익 항공기 운동을 위한 회전익 항공기 베어링
KR101836992B1 (ko) * 2009-11-23 2018-03-09 로오드 코포레이션 로터리 윙 에어크래프트용 일래스토메릭 고 용량 적층식 로터리 윙 에어크래프트 베어링
US9068621B1 (en) 2010-11-23 2015-06-30 Lord Corporation Rotary wing aircraft bearing for rotary wing aircraft motions
WO2011095349A1 (en) * 2010-02-05 2011-08-11 Aktiebolaget Skf Hybrid wind turbine blade bearing
KR101752647B1 (ko) 2011-04-07 2017-06-30 로오드 코포레이션 항공기 회전익 모션 제어 및 계장화 모션 제어 유체 장치
EP2975065A4 (en) 2013-03-11 2016-11-16 Sumitomo Seika Chemicals METHOD FOR PRODUCING A WATER ABSORBENT RESIN
KR102151467B1 (ko) 2013-03-27 2020-09-03 스미토모 세이카 가부시키가이샤 흡수성 수지 조성물의 제조 방법
US9873507B2 (en) * 2014-02-26 2018-01-23 Bell Helicopter Textron Inc. Rotorcraft elastomeric bearing assembly
EP3263607B1 (en) 2015-02-24 2019-06-05 Sumitomo Seika Chemicals CO. LTD. Water-absorbent resin production apparatus
KR102429796B1 (ko) 2016-03-31 2022-08-04 스미토모 세이카 가부시키가이샤 흡수성 수지 입자의 제조 장치
GB2563378B (en) * 2017-05-15 2022-05-25 Leisure Brands Ltd Suspension device
US11345468B2 (en) * 2019-12-25 2022-05-31 Lockheed Martin Corporation Clevis assembly with bearing device in operable communication with a translating element, and fail-safe tail rotor system including the same
CN111114765B (zh) * 2020-01-20 2025-04-08 中国融通集团第六十研究所 一种无人直升机主旋翼驱动系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111172A (en) * 1962-06-21 1963-11-19 Lord Mfg Co Rotor head
US3292712A (en) * 1965-04-29 1966-12-20 Lord Corp Rotor head
US3282350A (en) * 1965-10-20 1966-11-01 Boeing Co Rotor blade mounting construction
US3501250A (en) * 1968-03-22 1970-03-17 Boeing Co Rotor hub

Also Published As

Publication number Publication date
DE2331381A1 (de) 1974-01-24
GB1427983A (en) 1976-03-10
IT990913B (it) 1975-07-10
US3759631A (en) 1973-09-18
FR2190664A1 (en, 2012) 1974-02-01
FR2190664B1 (en, 2012) 1976-11-12
JPS4943395A (en, 2012) 1974-04-24
AU5716573A (en) 1975-01-09

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