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:
May. 04, 2021
Filed:
Jan. 15, 2018
Applicant:
Johnson Controls Technology Company, Auburn Hills, MI (US);
Inventors:
William F. McQuade, New Cumberland, PA (US);
Neelkanth Gupte, Katy, TX (US);
Assignee:
Johnson Controls Technology Company, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/16 (2006.01); F25B 49/00 (2006.01); G01M 3/20 (2006.01); G01M 3/38 (2006.01);
U.S. Cl.
CPC ...
G01M 3/16 (2013.01); F25B 49/005 (2013.01); G01M 3/20 (2013.01); G01M 3/207 (2013.01); G01M 3/38 (2013.01); F25B 2500/222 (2013.01);
Abstract
A refrigerant gas sensing system of a heating, ventilating, and air conditioning (HVAC) system, wherein the refrigerant gas sensing system is configured to collect a sample from a monitored gas volume, to introduce an ignition source to the sample, to detect an amount of combustion product in the sample after ignition, to determine an amount of leaked refrigerant in the monitored gas volume based on the measured amount of combustion product, and to indicate the amount of leaked refrigerant in the monitored gas volume.