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Patent Searching and Data


Title:
APPARATUS FOR CONTROLLING SINGLE-PHASE INDUCTION MOTOR AND METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2011/062361
Kind Code:
A2
Abstract:
Disclosed is an apparatus and method for controlling a single-phase induction motor, particularly, an apparatus and method for controlling a single-phase induction motor, capable of rendering the motor strong to variation of an input voltage, protecting the motor from an over-voltage, and starting or driving the motor stably and efficiently even in a low voltage condition, wherein a simplified circuit including switches can be constructed without use of a PTC thermistor or an overload protector and a current phase can be controlled, thereby improving starting capability.

Inventors:
KIM GYUNAM (KR)
KIM SANGYOUNG (KR)
Application Number:
PCT/KR2010/006440
Publication Date:
May 26, 2011
Filing Date:
September 17, 2010
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
KIM GYUNAM (KR)
KIM SANGYOUNG (KR)
International Classes:
H02P1/42
Foreign References:
KR20060121249A2006-11-28
JPH11146691A1999-05-28
JPH05227713A1993-09-03
JPS5380019U1978-07-04
KR20070025067A2007-03-08
Attorney, Agent or Firm:
PARK, Jang-Won (Shinyoung Wacoal Bldg.49-4 Nonhyun-dong, Gangnam-gu, Seoul 135-814, KR)
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