Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1997-01-15
1999-04-06
Gellner, Michael L.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335131, 74 6, 74 7R, 74 7A, 74 7C, 290 38R, 290 48, 310112, 310184, 310 83, H01H 6702
Patent
active
058924213
ABSTRACT:
A rotation restricting member made of a resilient body such as a leaf spring is driven by a magnet switch upon energization of a motor and engages engaging grooves formed on an outer peripheral surface of an outer portion of a one-way clutch so that the rotation restricting member restricts rotation of the one-way clutch. The motor has first and second field coils connected in parallel. The first field coil is connected to an exciting coil in the magnet switch in series and the second field coil is connected to a motor contact in the magnet switch in series. When a starter switch is actuated, only the first field coil is actuated first with low voltage. Then, the motor contact is closed and the second field coil is actuated also so that the motor rotates at a high speed with full voltage.
REFERENCES:
patent: 2542712 (1951-02-01), Schneider et al.
patent: 4551630 (1985-11-01), Stahura et al.
patent: 4755689 (1988-07-01), Porter
patent: 5443553 (1995-08-01), Shiga et al.
patent: 5525947 (1996-06-01), Shiga et al.
patent: 5600184 (1997-02-01), Shiga et al.
Denso Corporation
Gellner Michael L.
Nguyen Tuyen T.
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