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. 02, 2010

Filed:

Oct. 18, 2007
Applicants:

Albert W. Maier, St. Charles, MO (US);

John R. Aggers, Canton, GA (US);

Robert A. Kensinger, Creve Coeur, MO (US);

Richard P. Vogh, Iii, Marietta, GA (US);

Timothy D. Campbell, Rockmart, GA (US);

Scott M. Gelber, Kennesaw, GA (US);

Inventors:

Albert W. Maier, St. Charles, MO (US);

John R. Aggers, Canton, GA (US);

Robert A. Kensinger, Creve Coeur, MO (US);

Richard P. Vogh, III, Marietta, GA (US);

Timothy D. Campbell, Rockmart, GA (US);

Scott M. Gelber, Kennesaw, GA (US);

Assignee:

Emerson Retail Services, Inc., Kennesaw, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 41/04 (2006.01); G05D 23/12 (2006.01); F16K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method includes cycling an electronic evaporator pressure regulator valve fluidly coupled to a refrigeration circuit to regulate flow through the electronic evaporator pressure regulator valve and sensing a current drawn by the electronic evaporator pressure regulator valve during cycling of the electronic evaporator pressure regulator valve. The method further includes determining a valve condition of the electronic evaporator pressure regulator valve based on the sensing.


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