Starter motors

Details Starter motors Starter motors

1975-04-21

1979-05-29

Skudy, R.

Prime-mover dynamo plants

Electric control

Electric-starting motor

123179M, 310 80, H02P 900

Patent

active

041568176

ABSTRACT:
A starter motor for an internal combustion engine includes a shaft rotated by an electric motor, a pinion gear wheel carried by the shaft the gear wheel being rotated with the shaft and axially movable relative thereto between an operative position and a rest position, and an electro-magnet for moving the pinion from its rest position to its operative position. The electro-magnet includes an armature which is coupled to the pinion gear wheel, and which is guided for movement parallel to the shaft. First and second electro-magnet poles are spaced apart around the shaft and are spaced from the armature in the rest position of the armature in the direction of movement of the armature. A member magnetically interconnects the two poles, and the electro-magnet further includes a winding which when energized induces a flow of magnetic flux from the first pole to the armature within the armature laterally relative to the shaft, from the armature to the second pole, and from the second pole within the member back to the first pole.

REFERENCES:
patent: 2670444 (1954-02-01), Schneider
patent: 3084561 (1963-04-01), Mattson
patent: 3124694 (1964-03-01), Seilly
patent: 3210554 (1965-10-01), Seilly
patent: 3358667 (1967-12-01), Gubb
patent: 3359440 (1967-12-01), West
patent: 3509506 (1970-04-01), Bird
patent: 3597622 (1971-08-01), Wilson

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