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:
Jun. 25, 2013
Filed:
Nov. 25, 2005
Gyoo-jong Bae, Seoul, KR;
Yang-jun Kang, Seoul, KR;
Kyeong-bae Park, Seoul, KR;
Chul-gi Roh, Seoul, KR;
Ki-chul Choi, Seoul, KR;
Eon-pye Hong, Seoul, KR;
Gyoo-Jong Bae, Seoul, KR;
Yang-Jun Kang, Seoul, KR;
Kyeong-Bae Park, Seoul, KR;
Chul-Gi Roh, Seoul, KR;
Ki-Chul Choi, Seoul, KR;
Eon-Pye Hong, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
Disclosed are an operation control device of a compressor, which can reduce motor loss by applying an AC power to a motor of the compressor without a switching operation of a control unit, and a method thereof. The operation control device of the compressor comprises: a capacitor electrically connected to a motor of the compressor and having a predetermined capacitance; a control unit connected in series to the motor of the compressor and applying an AC power to the motor of the compressor according to a control signal; and a controller detecting a load variation amount on the basis of a current and voltage applied to the motor of the compressor and controlling on/off of the control unit according to the detected load variation amount.