Device for the automatic or manual selection of the ratio of a g

Details Device for the automatic or manual selection of the ratio of a g Device for the automatic or manual selection of the ratio of a g

1975-03-24

1978-03-21

Coan, James F.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

B60K 2100

Patent

active

040796388

ABSTRACT:
A device for selecting the ratio of the gearbox on a vehicle. The ratio is selected by electronic means which include a system for putting the engine speed under the control of the shaft speed, a system defining the ratios allowed, a system for introducing a parameter imposed by the driver, and a safety system with display and alarm means. Electronic memory devices permit taking into account the operating conditions of the engine. The device permits automatic or manual selection of a gearbox ratio corresponding to the greatest allowed ratio.

REFERENCES:
patent: 3435713 (1969-04-01), Pfisterer et al.
patent: 3645366 (1972-02-01), Numazawa et al.
patent: 3665779 (1972-05-01), Mori
patent: 3673892 (1972-07-01), Kato et al.
patent: 3709068 (1973-01-01), Mohri
patent: 3733930 (1973-05-01), Mizote
patent: 3834499 (1974-09-01), Candellero et al.
patent: 3885472 (1975-05-01), Wakamatsu et al.

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