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특허 상세정보

Dual coaxial magnetic couplers for vacuum chamber robot assembly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02K-049/00    F16D-027/00    H02N-013/00   
미국특허분류(USC) 310/75D ; 310/86 ; 310/103 ; 310/104
출원번호 US-0010377 (1993-01-28)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 41  인용 특허 : 0
초록

A compact assembly of two magnetic couplers for coupling two coaxial angular shaft movements through a vacuum barrier. Each coupler includes two concentric rings of radially oriented magnets, arranged to provide magnetic coupling in a radial direction between corresponding magnets in the rings. A relatively large number of magnets in each ring ensures stiff coupling between rings, but unwanted circumferential coupling between adjacent magnets in each ring is minimized by the presence of a flux ring associated with each ring of magnets. The flux rings pro...

대표
청구항

A dual magnetic coupler mechanism, comprising: a first coupler, having a primary ring of magnets and a secondary ring of magnets, said secondary ring concentric with and generally coplanar with the primary ring, each ring being mounted for rotation about a common axis, and each ring containing a plurality of radially oriented magnets, wherein magnets in the primary ring are magnetically coupled, in a radial sense, with corresponding magnets in the secondary ring; a second coupler similar to the first coupler, also having a primary ring of magnets and a s...

이 특허를 인용한 특허 피인용횟수: 41

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