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Patent Searching and Data


Title:
SINGLE PHASE INDUCTION MOTOR
Document Type and Number:
WIPO Patent Application WO/2010/058885
Kind Code:
A2
Abstract:
The present invention relates to a single phase induction motor, and more particularly, to a single phase induction motor, wherein a variable resistance element which can change a winding number of a main winding or an auxiliary winding capable of producing a magnetic field at the time of starting is connected in parallel to some portion of the main winding or the auxiliary winding. A single phase induction motor including a stator composed of a core, a main winding and an auxiliary winding, and a rotor rotated by a mutual electromagnetic force by the stator comprises a resistance variable element connected in parallel to some portion of the main winding. In addition, a single phase induction motor including a stator composed of a core, a main winding and an auxiliary winding, and a rotor rotated by a mutual electromagnetic force by the stator comprises a capacitor connected in series to the auxiliary winding, and a resistance variable element connected in parallel to some portion of the auxiliary winding and the capacitor.

Inventors:
CHO SEONGKOOK (KR)
KIM BYUNG-TAEK (KR)
KIM KYEONG-HO (KR)
Application Number:
PCT/KR2009/003081
Publication Date:
May 27, 2010
Filing Date:
June 09, 2009
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
CHO SEONGKOOK (KR)
KIM BYUNG-TAEK (KR)
KIM KYEONG-HO (KR)
International Classes:
H02P1/20
Foreign References:
DE3800771A11989-07-27
DE19547454A11997-06-26
Other References:
None
See also references of EP 2211455A4
Attorney, Agent or Firm:
LEE, KWANG-YEON (KR)
이광연 (KR)
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