Magnet switch for starters

Details Magnet switch for starters Magnet switch for starters

1996-05-24

1997-08-12

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335131, H01H 6702

Patent

active

056569815

ABSTRACT:
In a starter, when a magnet switch is operated for starter operation, an auxiliary movable contact connected to a main movable contact by a holding member comes into contact with an auxiliary stationary contact to supply an electric current from a battery through resistors, auxiliary stationary contact and auxiliary movable contact to apply a low voltage to a motor for low speed rotation. Subsequently, as a plunger of the magnet switch moves further, the main movable contact comes into electrical contact with a main stationary contact, so that the resistors are short-circuited and the electric current from the battery flows to the motor without flowing through the resistors to drive the motor for high speed rotation.

REFERENCES:
patent: 4203084 (1980-05-01), Yamaguchi et al.
patent: 5214401 (1993-05-01), Kimura et al.
patent: 5424700 (1995-06-01), Santarelli
patent: 5548260 (1996-08-01), Kogure et al.

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