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:
Mar. 02, 2021
Filed:
Jan. 18, 2018
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Kyunghoon Jung, Seoul, KR;
Gyunam Kim, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 49/06 (2006.01); F04B 35/04 (2006.01); H02K 33/02 (2006.01); H02K 33/00 (2006.01);
U.S. Cl.
CPC ...
F04B 49/06 (2013.01); F04B 35/045 (2013.01); F04B 49/065 (2013.01); H02K 33/02 (2013.01); F04B 2203/0401 (2013.01); F04B 2203/0402 (2013.01); H02K 33/00 (2013.01);
Abstract
An apparatus for linear compressor includes a drive unit configured to apply a test signal to the linear compressor, a current detection unit configured to detect a motor current of the linear compressor, a voltage detection unit configured to detect a motor voltage of the linear compressor, and a controller configured to acquire plural inductances varied according to a size of the motor current, based on a change of the motor current and the motor voltage which are acquired according as the test signal is applied.