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
JPS51134094U (it) * 1975-04-21 1976-10-29
JPS51134095U (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
USRE38444E1 (en) 1994-06-13 2004-02-24 Nippon Shokubai Co., Ltd. Absorbing agent, process of manufacturing same, and absorbent product containing same
WO1995034377A1 (en) * 1994-06-13 1995-12-21 Nippon Shokubai Co., Ltd. Water absorbent, process for producing the same, and absorbent article containing the 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
CN102182787A (zh) 2003-08-27 2011-09-14 贝尔直升机泰克斯特龙公司 双弹簧刚度阻尼器
KR20080094929A (ko) 2006-03-31 2008-10-27 아사히 가세이 케미칼즈 가부시키가이샤 흡수성 수지 입자 응집체 및 그 제조방법
DE06851653T1 (de) * 2006-06-20 2009-07-30 Bell Helicopter Textron, Inc., Fort Worth Fliehkraftlager mit gleichmässigem kippmoment
US8882462B2 (en) 2008-12-09 2014-11-11 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
US9068621B1 (en) 2010-11-23 2015-06-30 Lord Corporation Rotary wing aircraft bearing for rotary wing aircraft motions
EP2504230B1 (en) * 2009-11-23 2017-10-11 LORD Corporation A 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
US9670292B2 (en) 2013-03-11 2017-06-06 Sumitomo Seika Chemicals Co., Ltd. Apparatus for producing water-absorbent resin
EP2980128B1 (en) 2013-03-27 2018-04-18 Sumitomo Seika Chemicals CO. LTD. Water-absorbent resin composition production method
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
SG11201808605WA (en) 2016-03-31 2018-10-30 Sumitomo Seika Chemicals Apparatus for producing water-absorbing resin particles
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
FR2190664A1 (it) 1974-02-01
JPS4943395A (it) 1974-04-24
US3759631A (en) 1973-09-18
CA960634A (en) 1975-01-07
GB1427983A (en) 1976-03-10
FR2190664B1 (it) 1976-11-12
AU5716573A (en) 1975-01-09

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