Coaxial engine starter

Details Coaxial engine starter Coaxial engine starter

1990-09-24

1992-02-11

Herrmann, Allan D.

Machine element or mechanism

Engine starters

Automatic

74 7A, 74606R, 290 48, F02N 1100, F16H 5702

Patent

active

050866583

ABSTRACT:
A coaxial engine starter comprising a d.c. electric motor (11), a planetary speed reduction gear unit (20), a unidirectional clutch and a pinion. The planetary gear unit (20) includes a large-diameter inner gear member (17) mounted to the front end of the motor housing (11a). The clutch and the pinion are housed within a front machine frame (21) attached to the inner gear member. The inner gear member (17) is securely held in place between the motor housing (11a) and the front machine frame (21) by U-shaped connectors (22) and through bolts (23) fastening the front machine frame (21), the inner gear member (17) and the motor housing (11a) together. Alternatively, the inner gear member (27; 37) including gear teeth (27a; 38a) may be directly thread-engaged by the through bolts (32) positioned radially inward of the inner gear teeth (27a; 38a) and the front machine frame (29) may be attached to the inner gear member (27; 37). The inner gear teeth of the inner gear member may be integrally formed in the member (27a) or formed in a separate gear element (38).

REFERENCES:
patent: 4183266 (1980-01-01), Osumi
patent: 4517858 (1985-05-01), Schafer
patent: 4671125 (1987-06-01), Yabunaka
patent: 4712451 (1987-12-01), Morishita et al.
patent: 4760274 (1988-07-01), Isozumi
patent: 4776225 (1988-10-01), Morishita et al.
patent: 4800766 (1989-02-01), Isozumi
patent: 4808836 (1989-02-01), Isozumi et al.
patent: 4848172 (1989-07-01), Morishita
patent: 4896550 (1990-01-01), Hikichi et al.
patent: 4926706 (1990-05-01), Isozumi
patent: 4945777 (1990-08-01), Isozumi

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