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Primary Examiner: Wilbur, Maynard R.
Assistant Examiner: Montone, G. E.
Attorney: Ewbank; John R.

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Title: Generation of electrical power

Abstract: A heat-to-electricity converter is disclosed which includes a radioactive heat source and a thermoelectric element of relatively short overall length capable of delivering a low voltage of the order of a few tenths of a volt. Such a thermoelectric element operates at a higher efficiency than longer higher-voltage elements; for example, elements producing 6 volts. In the generation of required power, thermoelectric element drives a solid-state converter which is controlled by input current rather than input voltage and operates efficiently for a high signal-plus-noise to signal ratio of current. The solid-state converter has the voltage gain necessary to deliver the required voltage at the low input of the thermoelectric element.

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Inventors: Hursen, Thomas F. (Monroeville, PA, US)
Kolenik, Steven A. (Leechburg, PA, US)
Purdy, David L. (Indiana, PA, US)

Application Number: 450130
Filing Date: 1974-03-11
Publication_date: 1976-03-16
Assignee: Arco Medical Products Company (Leechburg, PA)
Primary Class(es): 136/202 136/225, 136/226, 976/DIG416
Other Classes:
US Patent Ref:

3055965	Sep, 1962	Te Velde	136/226.
3087002	Apr, 1963	Henderson et al.	136/202.
3282741	Nov, 1966	Pigford et al.	136/202.
3329532	Jul, 1967	Austin et al.	136/202.
3347711	Oct, 1967	Bank, Jr. et al.	136/202.
3357866	Dec, 1967	Belofsky	136/202.
3388008	Jun, 1968	Campana et al.	136/202.
3649367	Mar, 1972	Purdy	136/202.
3728160	Apr, 1973	Des Champs et al.	136/202.

Other Refs: Other References: Astro Electronics Div., R.C.A., High Temperature R.T.G. for Space Applications, Dec. 1964, pp. 9-12, 14, 62-67.