Motor vehicles – Power – With spring powered motor
Patent
1979-09-13
1981-10-13
Mitchell, David M.
Motor vehicles
Power
With spring powered motor
60668, 165174, 180303, B60K 302
Patent
active
042943230
ABSTRACT:
A cryogenic powered vehicle is disclosed which utilizes liquid nitrogen contained in a storage tank or tanks and communicated with a plurality of expansion assemblies through a one-way flow valve with the pressurized expanded gas being discharged to atmosphere through a turbine structure which is drivingly connected to the driving wheels of a vehicle through a suitable transmission and other conventional drive components. The expansion assemblies include heat exchange devices in the form of serpentine tubes having heat exchange fins thereon with one of the expansion assemblies being in the form of a heat exchange coil associated with the air conditioning system of an automobile or the load cooling system of a load carrying vehicle. One of the expansion assemblies is located adjacent the inlet of a turbine and is in the form of a master expander coil to discharge pressurized gas into a rotary vane type turbine to produce a rotational output that is drivingly connected to the drive train of a vehicle.
REFERENCES:
patent: 934572 (1909-09-01), Reis
patent: 2068955 (1937-01-01), Kritzer et al.
patent: 3565201 (1971-02-01), Petsinger
patent: 3681609 (1972-08-01), Boese et al.
patent: 3830326 (1974-08-01), Hartung
patent: 3885394 (1975-05-01), Witt et al.
patent: 4106581 (1978-08-01), West et al.
Cryogenics Unlimited
Jacobson Harvey B.
Mitchell David M.
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