Apparatus for directly converting thermal to rotational energy

Details Apparatus for directly converting thermal to rotational energy Apparatus for directly converting thermal to rotational energy

1983-12-30

1985-03-12

Husar, Stephen F.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

606418, F03G 700

Patent

active

045036764

ABSTRACT:
Apparatus for directly converting thermal energy into rotational movement. A long shaft relative to its cross-section and made of an elastic material with a high thermal coefficient of expansion is equipped with a plurality of journals at prescribed points along its axial length. A corresponding number of fixedly mounted circular bearings receive the journals. The bearings are arranged to constrain the shaft into an elastic arc. Thermal energy is applied to all or a substantial part of the concave surface of the arced shaft. Means may be employed to force cool all or a portion of the convex portion of the arced shaft. As a result of this arrangement, the shaft elastically rotates about its axis within the bearings. Structure is disclosed for coupling the rotational movement of the shaft to a utilization device.

REFERENCES:
patent: 3665705 (1972-05-01), Christensen
patent: 3830060 (1974-08-01), Jedlicka et al.
patent: 4175390 (1979-11-01), Koslow

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