DE69711128D1 - magnetic bearings - Google Patents

magnetic bearings

Info

Publication number
DE69711128D1
DE69711128D1 DE69711128T DE69711128T DE69711128D1 DE 69711128 D1 DE69711128 D1 DE 69711128D1 DE 69711128 T DE69711128 T DE 69711128T DE 69711128 T DE69711128 T DE 69711128T DE 69711128 D1 DE69711128 D1 DE 69711128D1
Authority
DE
Germany
Prior art keywords
magnetic bearings
bearings
magnetic
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 - Lifetime
Application number
DE69711128T
Other languages
German (de)
Other versions
DE69711128T9 (en
DE69711128T2 (en
Inventor
Akira Yamauchi
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.)
Edwards Japan Ltd
Original Assignee
Seiko Seiki KK
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 JP09161796A external-priority patent/JP3109023B2/en
Application filed by Seiko Seiki KK filed Critical Seiko Seiki KK
Publication of DE69711128D1 publication Critical patent/DE69711128D1/en
Application granted granted Critical
Publication of DE69711128T2 publication Critical patent/DE69711128T2/en
Publication of DE69711128T9 publication Critical patent/DE69711128T9/en
Active 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F16C2360/45—Turbo-molecular pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
DE69711128T 1996-07-18 1997-07-18 magnetic bearings Active DE69711128T9 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20645696 1996-07-18
JP20645696 1996-07-18
JP09161796A JP3109023B2 (en) 1996-07-18 1997-06-04 Magnetic bearing device
JP16179697 1997-06-04

Publications (3)

Publication Number Publication Date
DE69711128D1 true DE69711128D1 (en) 2002-04-25
DE69711128T2 DE69711128T2 (en) 2002-07-25
DE69711128T9 DE69711128T9 (en) 2005-02-03

Family

ID=26487797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69711128T Active DE69711128T9 (en) 1996-07-18 1997-07-18 magnetic bearings

Country Status (1)

Country Link
DE (1) DE69711128T9 (en)

Also Published As

Publication number Publication date
DE69711128T9 (en) 2005-02-03
DE69711128T2 (en) 2002-07-25

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: SEIKO INSTRUMENTS INC., CHIBA, JP

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BOC EDWARDS JAPAN LTD., TOKIO/TOKYO, JP

8327 Change in the person/name/address of the patent owner

Owner name: EDWARDS JAPAN LTD., TOKIO, JP

8327 Change in the person/name/address of the patent owner

Owner name: EDWARDS JAPAN LTD., YACHIYO, CHIBA, JP