IT990913B - Cuscinetto composto per il colle gamento di una pala di elicottero al rotore dell el cottero - Google Patents

Cuscinetto composto per il colle gamento di una pala di elicottero al rotore dell el cottero

Info

Publication number
IT990913B
IT990913B IT26160/73A IT2616073A IT990913B IT 990913 B IT990913 B IT 990913B IT 26160/73 A IT26160/73 A IT 26160/73A IT 2616073 A IT2616073 A IT 2616073A IT 990913 B IT990913 B IT 990913B
Authority
IT
Italy
Prior art keywords
cottero
rotor
bearing
connection
helicopter blade
Prior art date
Application number
IT26160/73A
Other languages
English (en)
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 IT990913B publication Critical patent/IT990913B/it

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)
IT26160/73A 1972-07-05 1973-07-04 Cuscinetto composto per il colle gamento di una pala di elicottero al rotore dell el cottero IT990913B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT990913B true IT990913B (it) 1975-07-10

Family

ID=23025277

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26160/73A IT990913B (it) 1972-07-05 1973-07-04 Cuscinetto composto per il colle gamento di una pala di elicottero al rotore dell el cottero

Country Status (7)

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

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
JPS51134095U (it) * 1975-04-21 1976-10-29
JPS51134094U (it) * 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 (it) * 1976-07-01 1978-01-24
JPS5322597U (it) * 1976-08-04 1978-02-25
GB1539200A (en) * 1976-12-08 1979-01-31 Westland Aircraft Ltd Helicopter rotors
JPS5388582U (it) * 1976-12-21 1978-07-20
US4251187A (en) * 1978-05-25 1981-02-17 Kaman Aerospace Corporation Blade retention bearing for helicopter rotor
JPS5589438U (it) * 1978-12-15 1980-06-20
US4284387A (en) * 1979-05-02 1981-08-18 United Technologies Corp. Blade fold restraint system
US4242047A (en) * 1979-05-02 1980-12-30 United Technologies Corporation Adjustable bearing centering means for helicopter rotor elastomeric bearings
JPS5940035Y2 (ja) * 1979-09-11 1984-11-12 第一衛材株式会社 母乳吸収パツド
JPS57197937U (it) * 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
EP0712659B1 (en) 1994-06-13 2002-01-09 Nippon Shokubai Co., Ltd. Water absorbent, process for producing the same, and absorbent article containing the same
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
US7713623B2 (en) 2003-03-17 2010-05-11 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbing resin particles
EP1658184B1 (en) 2003-08-27 2016-10-12 Bell Helicopter Textron Inc. Dual spring rate damper
WO2007116554A1 (ja) 2006-03-31 2007-10-18 Asahi Kasei Chemicals Corporation 吸水性樹脂粒子凝集体及びその製造方法
CA2662744C (en) * 2006-06-20 2012-04-17 Bell Helicopter Textron Inc. Centrifugal force bearing with steady pitching moment
EP2367718B1 (en) * 2008-12-09 2018-07-11 Sikorsky Aircraft Corporation Lead stop for rotor system with fluid-elastomeric lead/lag damper
US8632062B2 (en) * 2009-11-23 2014-01-21 Lord Corporation Elastomeric high capacity laminated rotary wing aircraft bearing for rotary wing aircraft
KR101790246B1 (ko) * 2009-11-23 2017-11-20 로오드 코포레이션 회전익 항공기 운동을 위한 회전익 항공기 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
EP2694366B1 (en) 2011-04-07 2015-03-04 LORD Corporation Aircraft rotary wing motion control and instrumented motion control fluid device
JP6441211B2 (ja) 2013-03-11 2018-12-19 住友精化株式会社 吸水性樹脂の製造装置
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
WO2017169246A1 (ja) 2016-03-31 2017-10-05 住友精化株式会社 吸水性樹脂粒子の製造装置
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
GB1427983A (en) 1976-03-10
DE2331381A1 (de) 1974-01-24
US3759631A (en) 1973-09-18
CA960634A (en) 1975-01-07
JPS4943395A (it) 1974-04-24
AU5716573A (en) 1975-01-09
FR2190664A1 (it) 1974-02-01
FR2190664B1 (it) 1976-11-12

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