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:
Nov. 19, 1991
Filed:
Oct. 25, 1990
Applicant:
Inventors:
Calvin R Wylie, Fair Oaks, CA (US);
Patrick H Crites, Orangevale, CA (US);
Assignee:
Beutler Heating and Air Conditioning, Inc., Sacramento, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62 89 ; 62180 ; 62332 ;
Abstract
A system for cooling the interior of a building which monitors the temperature differential between indoor and outdoor air, and provides outside ventilation and cooling when there is a demand for cooling and the indoor air temperature exceeds the outdoor air temperature by a predetermined degree. The system includes an air conditioner for supplementing the cooling effect provided by the outdoor air in a controlled manner.