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:
Sep. 12, 2023
Filed:
Nov. 14, 2019
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Sehoon Kim, Seoul, KR;
Jangsik Kim, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 28/28 (2006.01); F25B 49/02 (2006.01); H02P 1/02 (2006.01); F04D 25/06 (2006.01); F04D 27/00 (2006.01); F04C 29/00 (2006.01); F04C 23/00 (2006.01); F04B 49/20 (2006.01); F04C 18/02 (2006.01); F04B 49/06 (2006.01); F04B 51/00 (2006.01);
U.S. Cl.
CPC ...
F04C 28/28 (2013.01); F04B 49/06 (2013.01); F04B 49/20 (2013.01); F04B 51/00 (2013.01); F04C 18/0215 (2013.01); F04C 23/008 (2013.01); F04C 29/0085 (2013.01); F04D 25/06 (2013.01); F04D 27/00 (2013.01); F25B 49/022 (2013.01); F25B 49/025 (2013.01); H02P 1/029 (2013.01); F04B 2203/0201 (2013.01); F04C 2270/72 (2013.01); F04C 2270/86 (2013.01); F25B 2700/151 (2013.01);
Abstract
A compressor fault diagnostic apparatus including a current sensing unit to sense a current flowing through a motor of the compressor, a fault diagnostic unit to determine whether or not the motor performs a reverse rotation based on the current flowing through the motor, and a cut-off unit to remove power based on a determination of the fault diagnostic unit.