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:
Dec. 08, 2020
Filed:
Oct. 05, 2017
Applicant:
Johnson Controls Technology Company, Auburn Hills, MI (US);
Inventors:
Ivan Jadric, York, PA (US);
Ajit W. Kane, York, PA (US);
Assignee:
Johnson Controls Technology Company, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01); H02P 27/06 (2006.01); H01L 29/16 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
F25B 49/025 (2013.01); H02P 27/06 (2013.01); H01L 29/1608 (2013.01); H01L 29/7801 (2013.01);
Abstract
Embodiments of the present disclosure relate to a heating, ventilating, air conditioning, and refrigeration (HVAC&R) system that includes a variable speed drive configured to provide power to a motor that drives a compressor of the HVAC&R system and a silicon carbide transistor of the variable speed drive, where the silicon carbide transistor is configured to adjust a voltage, or a frequency, or both of power flowing through the variable speed drive.