Eddy current deceleration device

Brakes – Operators – Electric

Reexamination Certificate

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Details

C188S158000, C188S161000, C188S267000, C310S093000, C310S105000

Reexamination Certificate

active

06948597

ABSTRACT:
An eddy current deceleration device includes a rotor mounted on a rotary shaft; a first magnet ring arranged facing this rotor and including permanent magnets that are arranged at prescribed intervals in the circumferential direction and such that the poles thereof facing each other in the circumferential direction are of a same polarity, and magnetic members interposed between these permanent magnets; and a second magnet ring arranged between this first magnet ring and the rotor and including permanent magnets and magnetic members which are similar to those of the first magnet ring; at least one of the first and second magnet rings being freely rotatable. The permanent magnets of the first and second magnet rings can be magnetized separately between the first and second magnet rings.

REFERENCES:
patent: 3206655 (1965-09-01), Relinst
patent: 3488353 (1970-01-01), Baermann
patent: 5023499 (1991-06-01), Kuwahara
patent: 5215169 (1993-06-01), Kuwahara
patent: 5303802 (1994-04-01), Kuwahara
patent: 6176355 (2001-01-01), Yamamoto
patent: 6237728 (2001-05-01), Kobayashi et al.
patent: 6328142 (2001-12-01), Kuwahara
patent: 6392324 (2002-05-01), Kuwahara
patent: 497 813 (1970-11-01), None
patent: 0 456 017 (1991-11-01), None
patent: 1 193 724 (2002-04-01), None
patent: 01-298498 (1989-12-01), None
patent: 04-012659 (1992-01-01), None
patent: 04-088866 (1992-03-01), None
patent: 04-088867 (1992-03-01), None
patent: 2000-350432 (2000-12-01), None
patent: 2001-008436 (2001-01-01), None
patent: 2001-327154 (2001-11-01), None

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