Mechanical thermal motor

Details Mechanical thermal motor Mechanical thermal motor

1975-06-30

1976-10-26

Ostrager, Allen M.

Power plants

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

Mass is a solid

F03G 706

Patent

active

039876306

ABSTRACT:
An apparatus is provided for converting thermal energy such as solar energy into mechanical motion for driving fluid pumps and the like. The thermal motor comprises an inner concentric cylinder carried by a stationary core member having a cylindrical disc plate fixed adjacent a lower portion thereof and extending radially therefrom, and an outer concentric cylinder rotatably carried on the disc plate defining a space between the inner and outer concentric cylinders. A spiral tubular member encircle the inner concentric cylinder and is contained within the space between said inner and outer cylinders having a first portion connected to the inner concentric cylinder and a second portion connected to the outer concentric cylinder. A heated fluid is conveyed through the tubular member and is periodically cooled causing the tubular member to expand and contract, thus causing the outer concentric cylinder to reciprocally rotate on the base plate accordingly. The reciprocating motion of the outer concentric cylinder is then utilized to drive a pump member in a pump chamber.

REFERENCES:
patent: 792588 (1905-06-01), Fulton
patent: 2091255 (1937-08-01), Coleman et al.
patent: 3430441 (1969-03-01), Adams
patent: 3678685 (1972-07-01), Low et al.
patent: 3720107 (1973-03-01), Shepard

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