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:
Apr. 11, 1989
Filed:
Feb. 24, 1988
Roger P Sepso, Stratford, CT (US);
Charles J Everett, Killingworth, CT (US);
Robertshaw Controls Company, Richmond, VA (US);
Abstract
A refrigerator system, a control device therefor and methods of making and operating the same are provided, the system having a frozen food compartment and a non-frozen food compartment interconnected together by an air circulating unit that has a control valve unit therein for controlling the amount of opening of the air circulating unit between the compartments, the control valve unit comprising a housing having a movable valve member and a temperature sensing unit operatively interconnected to the valve member to control the position of the valve member in relation to the temperature sensed by the temperature sensing unit, the system having a fan for forcing an air flow through the air circulating unit from the frozen food compartment to the non-frozen food compartment when the fan is operating and the valve member is in an open condition thereof, the system having structure for causing the fan to be operating only when the valve member is in a certain open condition thereof.