Power transmission apparatus of four wheel drive apparatus

192 clutches and power-stop control – Clutches – Automatic

Reexamination Certificate

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Details

C192S1030FA, C180S249000

Reexamination Certificate

active

07111717

ABSTRACT:
A power transmission apparatus T of a four wheel drive vehicle is provided with a multiple disc clutch C engaged in accordance with a difference between rotational speeds of a front wheel Wf and a rear wheel Wr and a gear ratio of a second gear mechanism5for transmitting rotation of the rear wheel Wr to an output shaft9of the multiple disc clutch C is set to be larger than a gear ratio of a first gear mechanism4for transmitting rotation of the front wheel Wf to an input shaft8of the multiple disc clutch C.

REFERENCES:
patent: 5221101 (1993-06-01), Okubo et al.
patent: 5244056 (1993-09-01), Hamada et al.
patent: 6454068 (2002-09-01), Arai et al.
patent: 2001/0002629 (2001-06-01), Arai et al.
patent: 2003/0085090 (2003-05-01), Kasuya et al.
patent: 1106415 (2001-06-01), None
patent: 2001-213185 (2001-08-01), None

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