The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 1976
Filed:
Dec. 17, 1974
Applicant:
Inventors:
John D Ruff, Alexandria, VA (US);
Phillip R Wheeler, Alexandria, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62-2 ; 62238 ; 6246 / ;
Abstract
A heating and cooling system which uses heat derived from solar collectors to operate a heat engine which provides operating power to drive a heat pump/air conditioning system and including capability to operate either partly or wholly on supplementary energy sources such as an oil or gas furnace or electric power, and employing positive displacement heat engine and compressor units.