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. 30, 1987
Filed:
Jun. 05, 1986
Applicant:
Inventor:
Carl Lawrence, Loveland, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62180 ; 622283 ; 165 16 ;
Abstract
Apparatus using outdoor air as a cooling medium for an enclosed space, including a single thermostat controlling a conventional mechanical refrigeration system and electric fan means, and a temperature sensor responsive to outdoor air temperature which is adapted to energize the thermostat, rendering it operative to deactivate the refrigeration system and to activate the fan means, thereby drawing outdoor air into the enclosed space when the outdoor air temperature is below a predetermined level.