Electromagnetic clutch device

192 clutches and power-stop control – Clutches – Automatic

Reexamination Certificate

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Details

C192S084700, C192S084910

Reexamination Certificate

active

06997294

ABSTRACT:
An electromagnetic clutch1is disclosed having a magnetic flux loop31formed, in magnetic flux loop forming members5, 7, 9, 11, 13involving an electromagnet5and an armature13, by the electromagnet5to allow the armature13to be operatively shifted to couple and uncouple a clutch11, and a proximate member, close proximate to the members5, 7, 9, 11, 13, includes magnetic flux leakage minimizing sections15, 17, 19, 21, 23, 25that minimize magnetic fluxes leaked from the armature13to the proximate member.

REFERENCES:
patent: 3789966 (1974-02-01), Miller
patent: 5911291 (1999-06-01), Suetake et al.
patent: 6109408 (2000-08-01), Ikeda et al.
patent: 6851535 (2005-02-01), Nakaba et al.
patent: 2002/0033311 (2002-03-01), Yamamoto et al.
patent: 2003/0015385 (2003-01-01), Ishikawa et al.
patent: 2005/0003923 (2005-01-01), Ishikawa
patent: 64-022633 (1989-01-01), None
patent: 11-287258 (1999-10-01), None
patent: WO 02/18810 (2002-03-01), None

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