Integrated hybrid transmission with mechanical accessory drive

Details Integrated hybrid transmission with mechanical accessory drive Integrated hybrid transmission with mechanical accessory drive

1993-09-23

1996-09-24

Tyson, Karin

Motor vehicles

Motor as source of power for other machine

Other machine is vehicle accessory

180 654, B60K 2506

Patent

active

055581730

ABSTRACT:
The present invention relates to a power transmission that is interposed between the internal combustion engine and the drive ratio selection transmission of a vehicle. A motor/generator is operatively connected to the power transmission, and the power transmission selectively drives accessories to the internal combustion engine, such as an oil pump, power steering pump and air conditioning compressor. The power transmission employs compounded first and second planetary gear sets. A common gear member serves not only as the ring gear for the first planetary gear set but also as the sun gear for the second planetary gear set. The motor/generator drives the accessories when the internal combustion engine is idling or off, allowing those accessories to be smaller while delivering adequate output.

REFERENCES:
patent: 4024926 (1977-05-01), Butoi
patent: 4165795 (1979-08-01), Lynch et al.
patent: 4489242 (1984-12-01), Worst
patent: 5147254 (1992-09-01), Baier et al.
patent: 5249637 (1993-10-01), Heidl et al.
patent: 5301764 (1994-04-01), Gardner

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