Automatic transmission mechanism

Details Automatic transmission mechanism Automatic transmission mechanism

1988-04-11

1989-09-12

Wright, Dirk

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74766, F16H 5710

Patent

active

048648922

ABSTRACT:
In an automatic transmission mechanism for an automatic transmission mounted on automobiles having two planetary gears, a one-way clutch functioning in shifting up and down between third and fourth speed is laid, and a fourth clutch is laid between the one-way clutch and an input member, and a hydraulic actuator to operate both a third clutch and a fourth clutch is laid, whereby the one-way clutch functioning in shifting up and down between third and fourth speed, plural clutches laid in the automatic transmission mechanism, the third clutch, the fourth clutch and the actuators for these clutches are in all laid in end portion of the automatic transmission mechanism.

REFERENCES:
patent: 4228697 (1980-10-01), Miller
patent: 4413535 (1983-11-01), Hobbs
patent: 4592250 (1986-06-01), Plasencia et al.
patent: 4660439 (1987-04-01), Hiraiwa

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