Device with a jack for controlling a gear box synchromesh, and m

Details Device with a jack for controlling a gear box synchromesh, and m Device with a jack for controlling a gear box synchromesh, and m

1974-06-14

1981-04-21

Cohen, Irwin C.

192 clutches and power-stop control

Clutches

Progressive engagement

91429, 91459, 192 85R, 192 85C, F15B 13044, F16D 2514

Patent

active

042627842

ABSTRACT:
A method and device for controlling the fork of a synchromesh for a gear box. A command signal sent by the operator is converted into signals by a modulator whose output controls an electric valve to open and close several times in succession. The electric valve controls a jack which in turn controls the fork connected to a sliding gear associated with the synchromesh, whereby the instantaneous pressure of the fluid supplied to the jack is varied during the steps of approach, synchronization, and locking of the synchromesh.

REFERENCES:
patent: 2731952 (1956-01-01), Szabo
patent: 2734609 (1956-02-01), Fritzsch
patent: 3424951 (1969-01-01), Barker
patent: 3469590 (1969-09-01), Barker
patent: 3470892 (1969-10-01), Barker
patent: 3516331 (1970-06-01), Oelrich et al.
patent: 3530668 (1970-09-01), Siebers et al.
patent: 3596742 (1971-08-01), Zierak
patent: 3659631 (1972-05-01), Rakoske
patent: 3674121 (1972-07-01), Copeland
patent: 3739813 (1973-06-01), Worden
patent: 3823621 (1974-07-01), Kubo et al.

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