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특허 상세정보

Magnetic drive device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02K-007/10   
미국특허분류(USC) 310/75D ; 464/29
출원번호 US-0879428 (1992-05-07)
우선권정보 JP-0102815 (1991-05-08)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 48  인용 특허 : 4
초록

A magnetic drive device comprising a rotor disposed inside a cylindrical wall so as to be rotatable and axially movable, a fixed magnetic bearing fixedly provided on the cylindrical wall for holding the rotor radially thereof, a magnetic coupling having a drive portion disposed around the cylindrical wall so as to be rotatable and axially movable for transmitting a torque and an axial holding force to the rotor, and a movable magnetic bearing disposed around the cylindrical wall so as to be axially movable with the drive portion of the magnetic coupling ...

대표
청구항

A magnetic drive device comprising: a cylindrical wall; a rotor disposed inside said cylindrical wall, said rotor being rotatable and axially movable with respect to said cylindrical wall without contact with said cylindrical wall; a housing disposed around said cylindrical wall, said housing being axially movable with respect to said cylindrical wall; a motor provided on said housing; a magnetic coupling having a drive portion disposed on said housing, said drive portion being rotatable and axially movable for transmitting a torque from said motor to sa...

이 특허를 인용한 특허 피인용횟수: 48

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