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:
May. 26, 1998
Filed:
Dec. 06, 1996
Applicant:
Inventors:
Jan B Yates, Reynoldsburg, OH (US);
Larry E Schluer, Sugar Grove, OH (US);
Assignee:
Gas Reasearch Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01P / ;
U.S. Cl.
CPC ...
165297 ; 165300 ; 236 345 ;
Abstract
A combination thermostat and selector valve for a prime mover for a gas driven heat pump system is positioned upstream of the prime mover in a heat pump system, so that the coolant for the prime mover will be maintained at a substantially constant temperature without regard to load or outdoor ambient conditions.