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:
Jun. 14, 2016

Filed:

Jul. 08, 2011
Applicants:

Mark Mcmasters, Owatonna, MN (US);

William Brown, Owatonna, MN (US);

Gary Murray, Montpelier, OH (US);

Inventors:

Mark McMasters, Owatonna, MN (US);

William Brown, Owatonna, MN (US);

Gary Murray, Montpelier, OH (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 45/00 (2006.01);
U.S. Cl.
CPC ...
F25B 45/00 (2013.01); F25B 2700/21 (2013.01);
Abstract

A method and charging apparatus for adding refrigerant to an air conditioning system are provided. The method includes calculating a temperature differential by measuring a first temperature of a refrigerant inside of a refrigerant container and measuring a second temperature either at the air conditioning system or the ambient temperature. The method further includes using the temperature differential to calculate a compensation amount of refrigerant to add to a previously determined recommended amount of refrigerant based on the type of air conditioning system being charged.


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