Hydraulically-assisted automatic skip shifting method of a multi

Details Hydraulically-assisted automatic skip shifting method of a multi Hydraulically-assisted automatic skip shifting method of a multi

1991-10-05

1992-12-22

Braun, Leslie A.

Machine element or mechanism

Gearing

Interchangeably locked

3644241, F16H 6108

Patent

active

051726025

ABSTRACT:
A method for the automatic shifting of a multi-path toothed-wheel gear change box between two gears which are formed in a first gearbox subunit temporarily engages a middle gear formed in a second, parallel gearbox subunit. It is simultaneously ensured, by control of the working pressures for actuating the power-shift clutches connecting the gearbox subunits to the input shaft, that the speed characteristic of the input shaft shifting is essentially steady without remaining at the middle gear speed value.

REFERENCES:
patent: 4513631 (1985-04-01), Koivunen
patent: 4627312 (1986-12-01), Fujieda et al.
patent: 4742732 (1988-05-01), Hiramatsu
patent: 4993285 (1991-02-01), Asayama et al.
VDL-Gesellschaft Entwicklung Konstruktion Vertieb Planetengetribe, Eine Leistungstahige Komponente des Antriebstedinik, Mar. 17, 1988 pp. 379-385.

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