Manual transmission and hydraulically operated subtransmission

Details Manual transmission and hydraulically operated subtransmission Manual transmission and hydraulically operated subtransmission

1980-07-08

1983-09-13

Bonck, Rodney H.

Machine element or mechanism

Gearing

In series plural interchangeably locked nonplanetary units

74781R, 192 18R, F16H 3700, F16H 344

Patent

active

044035268

ABSTRACT:
A transmission for an automotive vehicle, including an auxiliary speed change device of a planetary gear mechanism type, which provides two speed stages and is automatically shifted between the two speed stages by a hydraulic fluid control system according to the operational conditions of the vehicle, and a main speed change device which is connected in series to the auxiliary speed change device, and which includes a gear transmission mechanism, which is manually shiftable between several speed stages.

REFERENCES:
patent: 2349410 (1944-05-01), De Normanville
patent: 3164036 (1965-01-01), Lamburn et al.
patent: 3182528 (1965-05-01), Lamburn
patent: 3295394 (1967-01-01), Whateley
patent: 3382736 (1968-05-01), Abbott
Automobile Engineer, Feb., 1963, pp. 58-60, "De Normanville Pre-Gearbox Overdrives".

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