Tracked vehicle drive assembly

Details Tracked vehicle drive assembly Tracked vehicle drive assembly

1981-07-15

1984-01-31

Pekar, John A.

Motor vehicles

Steering by driving

Auxiliary steering motor

74664, 74665L, B62D 1116

Patent

active

044284454

ABSTRACT:
A drive assembly for tracked vehicles includes a gas turbine engine with separate turbine shafts driving a vehicle propulsion speed change gear box and a steering unit. In one embodiment, the gear box is driven by a working turbine wheel output shaft while an infinitely variable steering unit is driven by a turbine compressor shaft. In an alternate embodiment, the steering unit comprises a reversing gear driving a zero shaft and with the steering unit being driven by a separate stage turbine wheel having adjustable nozzles or vanes. A further embodiment permits the elimination of the reversing gear in the steering unit by providing adjustable turbine vanes and/or blades which are capable of reversing the direction of rotation of the wheel which drives the steering unit shaft. In some embodiments, auxiliary steering power is provided in the event of an engine failure through a power takeoff from the working turbine shaft.

REFERENCES:
patent: 1991094 (1935-02-01), Higley
patent: 3357509 (1967-12-01), Gustafsson et al.
patent: 3498057 (1970-03-01), Kronograd et al.

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