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특허 상세정보

Permanent magnet generator providing alternating current which has a selected frequency

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02K-021/12   
미국특허분류(USC) 310/156 ; 310/112 ; 310/113 ; 310/114 ; 322/010 ; 322/051
출원번호 US-0925078 (1997-09-08)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Beveridge, DeGrandi, Weilacher & Young, LLP
인용정보 피인용 횟수 : 14  인용 특허 : 18
초록

An electrical generator has at least one rotating ring of field magnets which produce a circular array of magnetic fields, and a ring of generator output coils which are in the magnetic fields. The field magnets are permanent magnets. The generator output coils are movable in a displacement path toward and away from a null position at which they are exposed to zero net flux from the magnetic fields. Movement of the coils by an actuator varies the amplitude of the voltage induced in these coils by the rotating field magnets. The actuator is energized by a...

대표
청구항

[ I claim:] [1.] A permanent magnet generator for providing alternating current which has a selected frequency comprising:a loop assembly and a magnet assembly, one of which is rotatable relative to the other said assembly;said magnet assembly provided with at least one ring of field magnets which are arranged to provide a circular array of magnetic fields which vary in magnitude from one circumferential position to another;said loop assembly provided with at least one ring of electrically conductive output loops which are in said magnetic fields and occ...

이 특허에 인용된 특허 (18)

  1. Huss John B. (Rockford IL). Alternating current generator and method of angularly adjusting the relative positions of rotors thereof. USP1989114879484.
  2. Lynch Leo A. (Belvidere IL) Krinickas ; Jr. Alexander (Rockford IL) Parker Barry J. (Rockford IL) Shah Mahesh (Rockford IL) Vaidya Jayant (Rockford IL) Huss John B. (Rockford IL). Axial gap dual permanent magnet generator. USP1993095245238.
  3. Sugden Kenneth B. (Rockford IL). Coaxial hydraulic actuator system. USP1991075033265.
  4. Flygare Wayne A. (Rockford IL) Olson Raymond N. (Rockford IL) Reynolds Richard W. (Rockford IL) Aleem Mohd A. (Roscoe IL). Dual permanent magnet generator. USP1989114882513.
  5. Huss John B. (Rockford IL) Bennett Merle L. (Cherry Valley IL) Hoppe Richard J. (Rockford IL). Dual permanent magnet generator planetary gear actuator and rotor phase shifting method. USP1994045300848.
  6. McGee Daniel W. (Fairfield IA) Reiter Frederick B. (Fairfield IA) Murthy Vamaraju S. R. (St. Louis MO). Full flux reversal variable reluctance machine. USP1988074757224.
  7. Vaidya Jayant (Rockford IL) Belanger David J. (Rockford IL). Hybrid permanent magnet and variable reluctance generator. USP1990094959605.
  8. Baits Paul (Rockford IL). Low frequency feeder fault protection. USP1991065023537.
  9. Pinkerton Joseph F. (Austin TX) Clifton David B. (Leander TX). Magnetic bearing system including a generator. USP1996065525848.
  10. Richter Eike (Scotia NY). Method and apparatus for output regulation of multiple disk permanent magnet machines. USP1983024371801.
  11. Clifton David B. (Leander TX) Little Scott R. (Austin TX) Pinkerton Joseph F. (Austin TX). Null flux magnetic bearing with cross-connected loop portions. USP1995115471105.
  12. McCarty Frederick B. (San Pedro CA). Permanent magnet dynamoelectric machine. USP1986034578609.
  13. Howard John R. (Dunstable GB2). Permanent magnet rotary electrical machines. USP1987034654577.
  14. Wharton Eddie (Beaconsfield GB2). Rotary electrical machine. USP1981124305031.
  15. Yamada Yasuharu (Chiba JPX) Kobayashi Yasuo (Tokyo JPX). Same polarity induction generator. USP1991075030867.
  16. Huss John B. (Rockford IL). Torque driven dual PMG actuator. USP1993115260642.
  17. Cronin Michael J. (Sherman Oaks CA). Variable frequency induction generator. USP1984054447737.
  18. Glennon Timothy F. (Rockford IL). Voltage regulated permanent magnet generator system. USP1987054663581.