Engine starter
This patent describes a starter for an internal combustion engine having a ring gear, the starter including: a starter switch adapted to be electrically connected to an electrical power source; a pinion adapted to be axially movable into and out of a meshing engagement with the ring gear; a plunger for moving the pinion towards the ring gear and having a first movable contact at one end; first and second stationary contacts both so positioned as to be contacted by the first movable contact; exciting coil means for moving the plunger towards the first and second stationary contacts, the exciting coil means comprising a holding coil and an attracting coil; a starter motor adapted to be energized when the first movable contact is moved into contact with the first and second stationary contacts to electrically connect them together, the starter motor being drivingly connected to the pinion; a temperature sensor disposed in heat conductive relationship with one of the holding and attracting coils; the holding and attracting coils having windings electrically connected in series with a connection coupled at respective one ends of the holding and attracting coils; a relay including (a) normally open contacts electrically connected in series to the electrical power and the connection between the windings of the holding and attracting coils, and (b) a third coil electrically connected in series to the starter switch and temperature sensor and energized when the starter switch is turned on to close the normally open contacts; the temperature sensor being electrically connected in series to the third coil and a ground and comprising a third stationary contact, a bimetallic element having a second movable contact electrically connected to the bimetallic element and so positioned as to be moved by the bimetallic element into and out of contact with the third stationary contact.
- Assignee:
- Nippondenso Co., Ltd., Kariya
- Patent Number(s):
- US 4674344
- OSTI ID:
- 6341816
- Resource Relation:
- Patent File Date: Filed date 28 Oct 1985
- Country of Publication:
- United States
- Language:
- English
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