Power take off device for an automatic transmission

Details Power take off device for an automatic transmission Power take off device for an automatic transmission

1997-06-06

1999-01-19

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

74 1586, 192 363, 475 66, F16H 6114, B60K 4122

Patent

active

058604995

ABSTRACT:
A power take off device for an automatic transmission for taking off auxiliary power has a power take off switch which turns on the power take off device. The automatic transmission includes a torque converter and a lock-up clutch. The torque converter is connected to the power take off device when the power take off switch is turned on. The automatic transmission includes a lock-up control valve operating the lock-up clutch and a 1-2 shift valve for changing gear speed from a first stage to a second stage. The 1-2 shift valve supplies line pressure to the lock-up control valve when the shift lever is in the neutral position or the parking position and cuts off line pressure supplied to the lock-up control valve when the 1-2 shift valve is in the first stage.

REFERENCES:
patent: 4191072 (1980-03-01), Ehrlinger et al.
patent: 4815341 (1989-03-01), Ohkubo et al.
patent: 5007309 (1991-04-01), Lemon et al.

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