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.

Date of Patent:
Jul. 22, 2008

Filed:

Apr. 19, 2005
Applicants:

Chel-woong Lee, Seoul, KR;

Chang-oh Kim, Seoul, KR;

Inventors:

Chel-Woong Lee, Seoul, KR;

Chang-Oh Kim, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for controlling an operation of a compressor includes a controller for generating a control signal for selecting an operation mode of a compressor according to an operation load of the compressor; a first switching unit connected to a motor consisting of a main coil and a sub-coil and selecting the main coil or both the main coil and the sub-coil according to the control signal; first and second capacitors electrically connected with the first switching unit; and a second switching unit connected to the first capacitor and selectively connecting the first capacitor in parallel to the second capacitor according to the control signal.


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