Combined starter and generator apparatus

Details Combined starter and generator apparatus Combined starter and generator apparatus

1996-04-26

1998-05-12

Stephan, Steven L.

Prime-mover dynamo plants

Starting and generating dynamo

290 31, 74 7E, 74 7C, F02N 1104

Patent

active

057510709

ABSTRACT:
A rotor 2 has a rotary shaft 20. A drive shaft 7 is provided around an outer periphery of rotary shaft 20 and is rotatably supported on a housing. Drive shaft 7 has the same axial center as rotary shaft 20, and has a pinion gear 7b meshing with a ring gear 8 of an engine. A speed-reduction mechanism 4 includes a sun gear 2b provided on rotary shaft 20, a planetary gear 4b meshing with sun gear 2b, and an internal gear 4a meshing with planetary gear 4b. A reduction shaft 5 receives a rotational torque transmitted from rotor 2 through speed-reduction mechanism 4. A first one-way clutch 6b is interposed between reduction shaft 5 and drive shaft 7 for connecting reduction shaft 5 to drive shaft 7 only when any rotational torque is transmitted from reduction shaft 5 to drive shaft 7. A second one-way clutch 6a is interposed between drive shaft 7 and rotary shaft 20 for connecting drive shaft 7 to rotary shaft 20 only when any rotational torque is transmitted, from drive shaft 7 to rotary shaft 20. In a start-up operation of the engine, rotation of rotor 2 is reduced through speed-reduction mechanism 4 and is transmitted through reduction shaft 5, first one-way clutch 6b and drive shaft 7 to ring gear 8 to drive the engine. After succeeding the start-up operation, rotation of ring gear 8 is transmitted through drive shaft 7 and second one-way clutch 6a to rotary shaft 20 of rotor 2 to generate electric power.

REFERENCES:
patent: 3270207 (1966-08-01), Stockton
patent: 4114746 (1978-09-01), Usui et al.
patent: 4325265 (1982-04-01), Wakatsuki et al.
patent: 4712435 (1987-12-01), Losey et al.
patent: 4744257 (1988-05-01), Yagasaki et al.
patent: 5126582 (1992-06-01), Sugiyama
patent: 5269734 (1993-12-01), Menge, Sr.
patent: 5418400 (1995-05-01), Stockton
patent: 5474152 (1995-12-01), Wilkinson et al.

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