Coaxial engine starter system

Details Coaxial engine starter system Coaxial engine starter system

1996-05-29

1998-11-24

Marmor, Charles A.

Machine element or mechanism

Engine starters

Automatic

74 6, 290 38R, F02N 1100

Patent

active

058393188

ABSTRACT:
In a coaxial engine starter comprising a pinion (6) connected to the output shaft (4) which is driven by an electric motor (3), via a helical spline (19), a switch unit (7) for selectively closing a power supply line to the electric motor, and a solenoid device (9) consisting of an annular armature and an annular energization coil surrounding the output shaft to axially drive the pinion and a moveable contact of the switch unit in the axial direction, the switch is adapted to be closed before the pinion is actuated by the solenoid device. Therefore, the output requirement for the solenoid device can be reduced as opposed to the conventional starter in which the pinion is actuated strictly by the solenoid device, and the size of the engine starter can be reduced.

REFERENCES:
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patent: 3232123 (1966-02-01), Wheatley
patent: 3399576 (1968-09-01), Seilly et al.
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patent: 5118960 (1992-06-01), Sasamoto et al.
patent: 5196727 (1993-03-01), Isozumi et al.
patent: 5390555 (1995-02-01), Gotou et al.
patent: 5528084 (1996-06-01), Shiga et al.

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