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:
Apr. 23, 2024

Filed:

May. 03, 2021
Applicant:

Copeland Lp, Sidney, OH (US);

Inventor:

David A. Alfano, Dayton, OH (US);

Assignee:

Copeland LP, Sidney, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 11/36 (2018.01); F24F 11/49 (2018.01); F24F 110/65 (2018.01); F24F 140/00 (2018.01); G01M 3/18 (2006.01);
U.S. Cl.
CPC ...
F24F 11/36 (2018.01); F24F 11/49 (2018.01); G01M 3/182 (2013.01); G01M 3/183 (2013.01); G01M 3/188 (2013.01); F24F 2110/65 (2018.01); F24F 2140/00 (2018.01);
Abstract

A refrigerant leak sensor includes: a first refrigerant sensor element configured to, when powered: measure a first amount of the refrigerant present in air; and generate a first output based on the first amount; a second refrigerant sensor element configured to, when powered: measure a second amount of the refrigerant present in air; and generate a second output based on the second amount; a first selection module configured to: during a first period, apply power the first refrigerant sensor element and not apply power to the second refrigerant sensor element; and during a second period after the first period, apply power to the second refrigerant sensor element and not apply power to the first refrigerant sensor element.


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