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:
Jul. 21, 2026
Filed:
Apr. 19, 2023
Applicant:
Carrier Corporation, Palm Beach Gardens, FL (US);
Inventor:
Florian Beaufrere, Rouen, FR;
Assignee:
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/001 (2026.01); F25D 11/00 (2006.01); G01R 31/08 (2020.01);
U.S. Cl.
CPC ...
H02J 3/001 (2020.01); F25D 11/003 (2013.01); G01R 31/086 (2013.01); F25D 2400/40 (2013.01);
Abstract
A grid-shielded electrical system for a transportation refrigeration system is provided. The grid-shielded electrical system includes a bus to deliver three-phase grid power, which is received from a grid, to electrical components of the transportation refrigeration system, a voltage sensor disposed to sense a condition of voltage on the bus and configured to generate voltage readings accordingly and a controller disposed in signal communication with the voltage sensor and configured to detect a root cause issue with the grid based on the voltage readings.