Reduced engine load at stop apparatus and method

Interrelated power delivery controls – including engine control – Transmission control – Including fluid drive

Reexamination Certificate

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Details

C477S061000

Reexamination Certificate

active

11333079

ABSTRACT:
Provided is an apparatus to enable a torque transmitting mechanism within an automatically shiftable power transmission to disengage at vehicle stop such that the slip within a fluid drive device is reduced. When vehicle movement is required a main pressure regulator trims the torque transmitting mechanism into engagement. A method of reducing engine load at vehicle stop by employing the apparatus of the present invention is also provided.

REFERENCES:
patent: 3588353 (1971-06-01), Iijima
patent: 3724292 (1973-04-01), Borman
patent: 3814221 (1974-06-01), Fuehrer
patent: 4917140 (1990-04-01), King et al.
patent: 5669473 (1997-09-01), Long et al.
patent: 5911244 (1999-06-01), Long et al.
patent: 6117047 (2000-09-01), Younger
patent: 6155949 (2000-12-01), Long et al.

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