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.

Date of Patent:
Mar. 10, 2015

Filed:

Feb. 29, 2008
Applicant:

Timothy Dean Swofford, Midlothian, VA (US);

Inventor:

Timothy Dean Swofford, Midlothian, VA (US);

Assignee:

Hill Phoenix, Inc., Conyers, GA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 41/04 (2006.01); A47F 3/04 (2006.01); F25D 29/00 (2006.01);
U.S. Cl.
CPC ...
F25D 29/00 (2013.01); A47F 3/0456 (2013.01); F25B 2600/21 (2013.01); F25B 2600/2513 (2013.01); F25B 2700/1933 (2013.01); F25B 2700/21174 (2013.01); F25B 2700/21175 (2013.01); F25D 2400/16 (2013.01);
Abstract

A temperature controlled case is provided that includes an enclosure defining an airspace for receiving products therein, a refrigeration system configured to circulate a refrigerant through an expansion device and at least one cooling element to cool the airspace and a control module having a first predetermined setpoint corresponding to a first cooling mode and a second predetermined setpoint corresponding to a second cooling mode. The control module is configured to determine which one of the first cooling mode and the second cooling mode the refrigeration system is to operate within and to apply the corresponding predetermined setpoint for reference in modulating a position of the expansion device.


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