Prime mover operated by the expansion and contraction of a tubul

Details Prime mover operated by the expansion and contraction of a tubul Prime mover operated by the expansion and contraction of a tubul

1981-09-14

1984-04-03

Ostrager, Allen M.

Power plants

Utilizing natural heat

Solar

60527, F03G 702

Patent

active

044399871

ABSTRACT:
A prime mover has a tubular metal member of substantial length which, when both its exterior and its interior are subjected to a heating and cooling cycle, produces work strokes of substantial force, but too short to accomplish a wanted work. A mechanism connected to at least one end of the tubular member converts the short work strokes into strokes of increased lengths with a proportional decrease in force, but with the resulting work stroke lengths and force adequate to accomplish the wanted work.

REFERENCES:
patent: 99992 (1870-02-01), Wilkins et al.
patent: 3678685 (1972-07-01), Low et al.
patent: 3699769 (1972-10-01), Bondurant
patent: 3937019 (1976-02-01), Renner
patent: 3987630 (1976-10-01), Hein et al.

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