DE69720512D1 - Verbesserte schraubenfeder für freilauf-federkupplung - Google Patents

Verbesserte schraubenfeder für freilauf-federkupplung

Info

Publication number
DE69720512D1
DE69720512D1 DE69720512T DE69720512T DE69720512D1 DE 69720512 D1 DE69720512 D1 DE 69720512D1 DE 69720512 T DE69720512 T DE 69720512T DE 69720512 T DE69720512 T DE 69720512T DE 69720512 D1 DE69720512 D1 DE 69720512D1
Authority
DE
Germany
Prior art keywords
coil spring
freewheel clutch
improved coil
improved
freewheel
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 - Fee Related
Application number
DE69720512T
Other languages
English (en)
Other versions
DE69720512T2 (de
Inventor
L Kearney
G Kish
J Isabelle
L Noehren
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.)
Sikorsky Aircraft Corp
Original Assignee
Sikorsky 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 Sikorsky Aircraft Corp filed Critical Sikorsky Aircraft Corp
Publication of DE69720512D1 publication Critical patent/DE69720512D1/de
Application granted granted Critical
Publication of DE69720512T2 publication Critical patent/DE69720512T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
    • F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Mechanical Operated Clutches (AREA)
DE69720512T 1996-12-16 1997-11-13 Verbesserte schraubenfeder für freilauf-federkupplung Expired - Fee Related DE69720512T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US767562 1996-12-16
US08/767,562 US5749449A (en) 1996-12-16 1996-12-16 Coil spring for overrunning spring clutches
PCT/US1997/021210 WO1998027352A1 (en) 1996-12-16 1997-11-13 Improved coil spring for overrunning spring clutches

Publications (2)

Publication Number Publication Date
DE69720512D1 true DE69720512D1 (de) 2003-05-08
DE69720512T2 DE69720512T2 (de) 2004-03-04

Family

ID=25079864

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720512T Expired - Fee Related DE69720512T2 (de) 1996-12-16 1997-11-13 Verbesserte schraubenfeder für freilauf-federkupplung

Country Status (6)

Country Link
US (1) US5749449A (de)
EP (1) EP0944777B1 (de)
JP (1) JP2001506353A (de)
CA (1) CA2268833A1 (de)
DE (1) DE69720512T2 (de)
WO (1) WO1998027352A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6823972B2 (en) * 2003-02-12 2004-11-30 Sikorsky Aircraft Corporation Spring clutch
US20040168876A1 (en) * 2003-02-28 2004-09-02 Tully Thomas L. Spring clutch
US7878315B2 (en) * 2006-04-14 2011-02-01 Ntn Corporation Spring clutch
EP2344780A4 (de) * 2008-10-27 2018-04-11 Litens Automotive Partnership Überlaufentkoppler mit drehmomentbegrenzer
US9884680B2 (en) 2008-12-11 2018-02-06 Sikorsky Aircraft Corporation Elastomeric bearing system motion limiter
US9784357B2 (en) * 2015-04-27 2017-10-10 Ningbo Yangtong Automobile Parts Co., Ltd. Overrunning alternator damping pulley
US11186363B2 (en) 2015-10-21 2021-11-30 Sikorsky Aircraft Corporation Electric propulsion system for a rotary wing aircraft
US10752343B2 (en) 2016-10-18 2020-08-25 Sikorsky Aircraft Corporation Electric propulsion system for a rotary wing aircraft
US10577090B2 (en) 2017-02-16 2020-03-03 Sikorsky Aircraft Corporation Electric propulsion system with overrunning clutch for a rotary-wing aircraft
US10676182B2 (en) 2017-07-20 2020-06-09 Sikorsky Aircraft Corporation Tilting coaxial rotor for a rotary wing aircraft
US10974824B2 (en) 2017-07-20 2021-04-13 Sikorsky Aircraft Corporation Electric powered direct drive rotor motor
US10407166B2 (en) 2018-01-08 2019-09-10 Sikorsky Aircraft Corporation Yaw moment supplement for directional control
WO2020191495A1 (en) 2019-03-26 2020-10-01 Litens Automotive Partnership Rotary device with clutch with time-based slip and method of providing time-based slip for a rotary device
CN112610627A (zh) * 2020-11-18 2021-04-06 洛阳轴承研究所有限公司 一种弹簧式超越离合器及其变螺距弹簧

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH97294A (de) * 1921-05-02 1923-01-02 Schuermann Carl Kupplung zum Verbinden von drehbaren Organen in der einen Drehrichtung.
US1836199A (en) * 1927-06-13 1931-12-15 Lgs Devices Corp Clutch
GB370836A (en) * 1930-10-13 1932-04-14 Volvo Ab Improvements in friction ratchet clutches, gears and detents
US1932000A (en) * 1931-01-07 1933-10-24 L G S Devices Corp Inc Clutch spring
US1953370A (en) * 1931-01-07 1934-04-03 Lgs Devices Corp Spring clutch
US2336757A (en) * 1942-12-03 1943-12-14 L G S Spring Clutches Inc Spring clutch
US2528148A (en) * 1949-06-23 1950-10-31 Marquette Metal Products Co Overrunning clutch and pinion unit
US4690390A (en) * 1984-10-12 1987-09-01 United Technologies Corporation Overrunning clutch spring
US4570318A (en) * 1984-10-12 1986-02-18 United Technologies Corporation Overunning clutch spring
US4938333A (en) * 1988-12-21 1990-07-03 United Technologies Corporation Coil spring for a spring clutch assembly
US4934499A (en) * 1988-12-21 1990-06-19 United Technologies Corporation Overrunning spring clutch assembly
US4926991A (en) * 1988-12-21 1990-05-22 United Technologies Corporation Actuated spring clutch assembly

Also Published As

Publication number Publication date
EP0944777A1 (de) 1999-09-29
JP2001506353A (ja) 2001-05-15
CA2268833A1 (en) 1998-06-25
WO1998027352A1 (en) 1998-06-25
DE69720512T2 (de) 2004-03-04
US5749449A (en) 1998-05-12
EP0944777B1 (de) 2003-04-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee