Automatic selector device for multi-gear change-speed gearbox

Details Automatic selector device for multi-gear change-speed gearbox Automatic selector device for multi-gear change-speed gearbox

1992-05-21

1993-10-05

Braun, Leslie A.

Machine element or mechanism

Gearing

Interchangeably locked

192139, 251285, 251286, 251287, 251288, F16H 5904, F16H 5908, F16D 7104, F16K 5100

Patent

active

052494764

ABSTRACT:
An automatic selector device for multi-gear change-speed gearbox includes a multi-way valve which can be driven into several valve positions each associated with one gear by a stepper motor whose operation depends on an electronic control unit. Each of the valve positions causes the appropriate gear to be selected. The multi-way valve is connected kinematically to a selector unit which can be actuated manually in order to block gears through the intermediary of a stop and an opposing stop.

REFERENCES:
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patent: 4204591 (1980-05-01), Tani et al.
patent: 4326433 (1982-04-01), Black et al.
patent: 4338832 (1982-07-01), Pelligrino
patent: 4545289 (1985-10-01), Weyer
patent: 4579015 (1986-04-01), Fukui
patent: 4595034 (1986-06-01), Hutson
patent: 4637269 (1987-01-01), Hasegawa et al.
patent: 4721002 (1988-01-01), Horii
patent: 4754949 (1988-07-01), Fukamachi
patent: 4979599 (1990-12-01), Nishida
patent: 5072814 (1991-12-01), Hama et al.
patent: 5117953 (1992-06-01), Machida et al.

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