Thermomechanical electrical generator/power supply for a downhol

Details Thermomechanical electrical generator/power supply for a downhol Thermomechanical electrical generator/power supply for a downhol

1988-03-18

1989-02-21

Ostrager, Allen M.

Power plants

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

Unit of mass is a gas which is heated or cooled in one of a...

606441, 60669, 60721, 290 1A, F03G 104

Patent

active

048054070

ABSTRACT:
A downhole tool for an oil or gas well includes a self-contained power supply having a housing in which a primary fuel source, a Stirling cycle engine, and a linear alternator are disposed. The primary fuel source includes a radioisotope which, by its radioactive decay, provides heat to operate the Stirling engine which in turn drives the liner alternator to provide a suitable electrical output for use by the circuit of the downhole tool.

REFERENCES:
patent: 3349247 (1967-10-01), Birkestrand
patent: 3597766 (1971-08-01), Buck
patent: 3732728 (1973-05-01), Fitzpatrick
patent: 4069673 (1978-01-01), Lapeyre
patent: 4354352 (1982-10-01), Hoke et al.

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