Method and apparatus for assembling a permanent magnet pole assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02K-001/28
H02K-001/24
H02K-001/22
H02K-021/12
출원번호
UP-0256718
(2005-10-24)
등록번호
US-7573168
(2009-08-25)
발명자
/ 주소
Carl, Jr., Ralph James
Bagepalli, Bharat Sampathkumaran
Jansen, Patrick Lee
Dawson, Richard Nils
Qu, Ronghai
Avanesov, Mikhail Avramovich
출원인 / 주소
General Electric Company
대리인 / 주소
Agosti, Ann M.
인용정보
피인용 횟수 :
25인용 특허 :
23
초록
A pole assembly for a rotor, the pole assembly includes a permanent magnet pole including at least one permanent magnet block, a plurality of laminations including a pole cap mechanically coupled to the pole, and a plurality of laminations including a base plate mechanically coupled to the pole.
대표청구항▼
What is claimed is: 1. A pole assembly suitable for use in a rotor, said pole assembly comprising: a permanent magnet pole formed from a plurality of permanent magnet blocks stacked together; a plurality of pole cap laminations, each said pole cap lamination having a first sidewall at least as long
What is claimed is: 1. A pole assembly suitable for use in a rotor, said pole assembly comprising: a permanent magnet pole formed from a plurality of permanent magnet blocks stacked together; a plurality of pole cap laminations, each said pole cap lamination having a first sidewall at least as long as a first dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations stacked and bonded together to form a pole cap having a stack length substantially equal to a second dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations mechanically coupled to a first surface of said permanent magnet pole; and a plurality of base plate laminations, each said base plate lamination having a first sidewall at least as long as said first dimension, said plurality of base plate laminations stacked and bonded together to form a base plate having a stack length substantially equal to said second dimension, said plurality of base plate laminations mechanically coupled to a second surface of said permanent magnet pole, said plurality of base plates laminations further including a plurality of first base plate portions having a first length and a plurality of second base plate portions having a second length. 2. A pole assembly suitable for use in a rotor, said pole assembly comprising: a permanent magnet pole formed from a plurality of permanent magnet blocks stacked together; a plurality of pole cap laminations fabricated from electrical steel material, each said pole cap lamination having a first sidewall at least as long as a first dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations stacked and bonded together with a resin to form a pole cap having a stack length substantially equal to a second dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations mechanically coupled to a first surface of said permanent magnet pole; and a plurality of base plate laminations fabricated from electrical steel material, each said base plate lamination having a first sidewall at least as long as said first dimension, said plurality of base plate laminations stacked and bonded together with a resin to form a base plate having a stack length substantially equal to said second dimension, said plurality of base plate laminations mechanically coupled to a second surface of said permanent magnet pole. 3. A pole assembly suitable for use in a rotor, said pole assembly comprising: a plurality of clamps mounted to the rotor, each of said plurality of clamps having a steel laminated portion bonded to a composite material portion such that said steel laminated portion is positioned adjacent the rotor; a permanent magnet pole formed from a plurality of permanent magnet blocks stacked together; a plurality of pole cap laminations, each said pole cap lamination having a first sidewall at least as long as a first dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations stacked and bonded together to form a pole cap having a stack length substantially equal to a second dimension of said stack of permanent magnet blocks, said plurality of pole cap laminations mechanically coupled to a first surface of said permanent magnet pole; and a plurality of base plate laminations, each said base plate lamination having a first sidewall at least as long as said first dimension, said plurality of base plate laminations stacked and bonded together to form a base plate having a stack length substantially equal to said second dimension, said plurality of base plate laminations mechanically coupled to a second surface of said permanent magnet pole. 4. An electric machine comprising: a stator assembly; a rotor assembly rotatably coupled with said stator assembly, said stator assembly and said rotor assembly separated from one another by an air gap, said rotor assembly including a plurality of pole assemblies, each said pole assembly including: a coupling member having a non-magnetic mounting block configured to receive a fastener therethrough for securing said pole assembly to said rotor assembly; a bonded stack of unitary pole laminations having a base plate portion, a pole cap portion, and a bridge portion extending between said base plate portion and said pole cap portion to define a cavity, said base plate portion including a lip portion extending outward therefrom and configured to engage said coupling member, and a plurality of sintered magnet blocks stacked together within said cavity. 5. An electric machine comprising: a stator assembly; a rotor assembly rotatably coupled with said stator assembly, said stator assembly and said rotor assembly separated from one another by an air gap, said rotor assembly including a plurality of pole assemblies, each said pole assembly including: a bonded stack of unitary pole laminations having a base plate portion, a pole cap portion, and a bridge portion extending between said base plate portion and said pole cap portion to define a cavity; a plurality of sintered magnet blocks stacked together within said cavity; and a coupling member having a rotor clamp configured to secure said pole assembly to said rotor assembly, said base plate portion further including a tapered portion configured to slidably couple to said coupling member. 6. An electric machine comprising: a stator assembly; a rotor assembly rotatably coupled with said stator assembly, said stator assembly and said rotor assembly separated from one another by an air gap, said rotor assembly including a plurality of pole assemblies, each said pole assembly including: a bonded stack of unitary pole laminations having a base plate portion, a pole cap portion, and a bridge portion extending between said base plate portion and said pole cap portion to define a cavity, said base plate portion including a dovetail portion for coupling to said rotor assembly; a plurality of sintered magnet blocks stacked together within said cavity; and a coupling member having a rotor clamp configured to couple said pole assembly to said rotor assembly.
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이 특허에 인용된 특허 (23)
Kliman Gerald B. (Schenectady NY), Composite rotor lamination for use in reluctance hompolar, and permanent magnet machines.
Crosetto John J. (Orland Park IL) Earle Kent L. (Woodridge IL) Jordan Anthony D. (Barrington Hills IL), Driven rotary shaft system using permanent magnets.
Piercey, Mark S.; Mongeau, Peter P.; Lynch, Jonathan A.; Kohler, Thomas D.; Smith, Paul A., Method and apparatus for permanent magnet attachment in an electromechanical machine.
Raminosoa, Tsarafidy; Alexander, James Pellegrino; EL-Refaie, Ayman Mohamed Fawzi, System and method for preventing stator permanent magnet demagnetization during vacuum pressure impregnation.
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