Direct energy conversion device

Details Direct energy conversion device Direct energy conversion device

1975-08-11

1978-11-14

Wilbur, Maynard R.

Batteries: thermoelectric and photoelectric

Thermoelectric

Electric power generator

136210, 136212, 136218, H01L 3530

Patent

active

041251229

ABSTRACT:
A method and apparatus are described for directly converting heat to electricity within an array of thermoelements and heat pipes. The thermoelectric generator contains two conduits for two fluid streams, and a plurality of thermal bridges connecting points in both fluid streams, placing them in an overall counterflow heat exchange relationship. Each thermal bridge comprises at least one heat exchange surface with the first fluid stream, at least one heat exchange surface with the second fluid stream and at least one heat pipe, delivering heat to and/or from the thermoelectric element. The rapid heat delivery capability of the heat pipes, in combination with the counterflow heat exchange relationship between the two fluid streams within the generator, are responsible for the simultaneous considerable improvement of efficiency and power density of the generator.

REFERENCES:
patent: 3116167 (1963-12-01), Talaat
patent: 3356539 (1967-12-01), Stachurski
patent: 3834171 (1974-09-01), Johansson

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