EP1019978A4 - Linkage support system - Google Patents

Linkage support system

Info

Publication number
EP1019978A4
EP1019978A4 EP97945171A EP97945171A EP1019978A4 EP 1019978 A4 EP1019978 A4 EP 1019978A4 EP 97945171 A EP97945171 A EP 97945171A EP 97945171 A EP97945171 A EP 97945171A EP 1019978 A4 EP1019978 A4 EP 1019978A4
Authority
EP
European Patent Office
Prior art keywords
support system
linkage support
linkage
support
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.)
Withdrawn
Application number
EP97945171A
Other languages
German (de)
French (fr)
Other versions
EP1019978A1 (en
Inventor
Norman Eng
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.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman 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
Priority claimed from US08/626,890 external-priority patent/US5664889A/en
Application filed by Northrop Grumman Corp filed Critical Northrop Grumman Corp
Publication of EP1019978A1 publication Critical patent/EP1019978A1/en
Publication of EP1019978A4 publication Critical patent/EP1019978A4/en
Withdrawn legal-status Critical Current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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/22—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with arrangements compensating for thermal expansion
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/201—Composition of the plastic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
EP97945171A 1996-04-03 1997-06-12 Linkage support system Withdrawn EP1019978A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/626,890 US5664889A (en) 1996-04-03 1996-04-03 Fluid dynamic bearing with low stiffness change over temperature
PCT/US1997/009850 WO1998057388A1 (en) 1996-04-03 1997-06-12 Linkage support system

Publications (2)

Publication Number Publication Date
EP1019978A1 EP1019978A1 (en) 2000-07-19
EP1019978A4 true EP1019978A4 (en) 2004-05-06

Family

ID=26792556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97945171A Withdrawn EP1019978A4 (en) 1996-04-03 1997-06-12 Linkage support system

Country Status (2)

Country Link
EP (1) EP1019978A4 (en)
WO (1) WO1998057388A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8837876B2 (en) 2013-01-08 2014-09-16 L-3 Communications Corporation Systems and methods for implementing optical and RF communication between rotating and stationary components of a rotary sensor system
US9213144B2 (en) 2013-01-08 2015-12-15 L-3 Communications Corporation Systems and methods for providing optical signals through a RF channel of a rotary coupler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143378A (en) * 1977-04-18 1979-03-06 The United States Of America As Represented By The Secretary Of The Department Of Transportation Pendulum antenna
US4342474A (en) * 1980-11-03 1982-08-03 Microwave Techniques Waveguide hanger
US5027129A (en) * 1986-05-21 1991-06-25 Develco, Inc. Gimballed antenna

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US545353A (en) * 1895-08-27 Universal joint
US1185435A (en) * 1914-12-15 1916-05-30 Jesse E Powell Coupling.
US1342300A (en) * 1919-11-19 1920-06-01 Sheler John Calvin Flexible coupling
US2899677A (en) * 1953-07-27 1959-08-11 rockall
US3263447A (en) * 1964-01-09 1966-08-02 Gen Motors Corp Constant velocity universal joint
US3656164A (en) * 1969-12-04 1972-04-11 Lockheed Aircraft Corp Retractable aircraft antenna with streamlined radome for scanning
JPS51143158A (en) * 1975-06-04 1976-12-09 Toyota Motor Corp Flexible coupling for power transmission
US4197548A (en) * 1976-06-01 1980-04-08 B. E. Industries, Inc. Antenna stabilization system
DE3007348A1 (en) * 1980-02-27 1981-09-03 Ilie 4690 Herne Chivari SHAFT COUPLING
US4588325A (en) * 1984-07-26 1986-05-13 Seefert Kenneth F Modular rock replacing drain field apparatus
US4804352A (en) * 1987-01-30 1989-02-14 Lord Corporation Link-type rotary coupling
US5186686A (en) * 1990-05-11 1993-02-16 Lord Corporation Link and bearing for rotary coupling
US5639173A (en) 1996-04-03 1997-06-17 Northrop Grumman Corporation Linkage support system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143378A (en) * 1977-04-18 1979-03-06 The United States Of America As Represented By The Secretary Of The Department Of Transportation Pendulum antenna
US4342474A (en) * 1980-11-03 1982-08-03 Microwave Techniques Waveguide hanger
US5027129A (en) * 1986-05-21 1991-06-25 Develco, Inc. Gimballed antenna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9857388A1 *

Also Published As

Publication number Publication date
WO1998057388A1 (en) 1998-12-17
EP1019978A1 (en) 2000-07-19

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Legal Events

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