Hydraulic shift for motor vehicle automatic transmission

Details Hydraulic shift for motor vehicle automatic transmission Hydraulic shift for motor vehicle automatic transmission

1983-11-28

1988-11-22

Hershkovitz, Abraham

Power plants

Pressure fluid source and motor

Pulsator

60545, 60571, 60636, 200 6188, 340 79, B60T 1722

Patent

active

047856157

ABSTRACT:
A hydraulic apparatus for remotely controlling the operative mode selector of a motor vehicle automatic transmission. The apparatus comprises a master cylinder having an input member operatively connected to the transmission operative mode selection or shift lever placed at the disposal of the motor vehicle operator, and a slave cylinder mounted on or proximate the transmission casing and having an output member connected to the transmission operative mode selector, the master cylinder and the slave cylinder being placed in fluid communication through flexible conduits such that each displacement of the master cylinder piston as a result of displacement of the master cylinder input member causes a corresponding displacement of the slave cylinder piston coupled to the slave cylinder output member. After assembly of the components, the apparatus is filled with hydraulic fluid and, preferably, break-away restraining straps are installed to hold the master cylinder input member and the slave cylinder output member against extension beyond a limit.

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