Starter motor for an internal combustion engine

Details Starter motor for an internal combustion engine Starter motor for an internal combustion engine

1978-08-21

1981-04-21

Schroeder, Werner H.

Machine element or mechanism

Engine starters

Automatic

F02N 1108

Patent

active

042625467

ABSTRACT:
A starter motor for an internal combustion engine has an electromagnetic switch (11) and a "tooth against tooth" safety spring (37) to deform to allow the switch core (14) to move into a switch closing position even if the teeth on the starter pinion (10) and the starter ring gear of the engine are coincident rather than meshing as the pinion (10) contacts the starter ring gear. The "tooth against tooth" spring is a leaf-spring (37) serving as a yieldable fulcrum for the yoke, and the moving core (14) of the switch accommodates slidably a contact-bearing rod (15) of the switch which rod also passes slidably through the fixed core (13) of the switch.
At its end remote from the contact, the rod (15) engages a yieldable stop (34) which biases the rod towards a "contact closing" position. The fixed core is thus devoid of a contact-closing spring and has a more massive flux path than it would otherwise do.

REFERENCES:
patent: 3177728 (1965-04-01), Farison
patent: 3223863 (1965-12-01), Preece et al.
patent: 3304790 (1967-02-01), Takami
patent: 3866960 (1975-02-01), Chohan
patent: 4116077 (1978-09-01), Mazzorana

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