Thermal prime mover

Details Thermal prime mover Thermal prime mover

1974-05-15

1976-12-07

Schwadron, Martin P.

Prime-mover dynamo plants

Turbogenerators

60669, H02K 718

Patent

active

039964779

ABSTRACT:
A power plant, e.g. for an automotive vehicle, comprises a rotary heat exchanger and an engine mounted coaxially therewith on a stationary support, the engine having two relatively rotatable members (e.g. a turbine rotor and a turbine stator) driven in opposite directions by the vapor pressure of a working fluid passing in a closed circuit through an evaporator section of the heat exchanger, the engine housing, and a condenser section of the heat exchanger. One of the counterrotating members, generally the stator, is rigid with the housing whereas the other one is operatively coupled with a load, e.g. by magnetic flux traversing a magnetically pervious wall of the housing. The coupling may include an armature winding of an electric-current generator disposed outside the engine housing for excitation by one or more magnets carried by the rotor inside the housing. With a suitable step-down ratio between the load and the rotor, the latter may turn at a speed substantially higher than that of the stator.

REFERENCES:
patent: 741271 (1903-10-01), Porter et al.
patent: 778707 (1904-12-01), Reichenbach
patent: 2140175 (1938-12-01), Starziczny
patent: 2362151 (1944-11-01), Ostenberg
patent: 2707863 (1955-05-01), Rhodes
patent: 2968916 (1961-01-01), Taylor et al.
patent: 3613368 (1971-10-01), Doerner

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