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Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/230876
Kind Code:
A1
Abstract:
A scroll compressor includes a casing accommodating a rotary shaft and a driving unit, a first scroll making an orbiting movement by the rotary shaft, a second scroll engaged with the first scroll to form a compression chamber and having a bypass hole bypassing a refrigerant sucked into the compression chamber to an internal space of the casing, and a back-pressure chamber assembly pressing the second scroll toward the first scroll, wherein the back-pressure chamber assembly includes: a back-pressure space, a first valve unit allowing the bypass hole and the internal space of the casing to selectively communicate with each other, and a second valve unit opened and closed to selectively supply the refrigerant of the back-pressure space to the first valve unit to operate the first valve unit, and positioned to be fixed to the casing.

Inventors:
SEONG, Sanghun (IP Center, LG Electronics Inc.,51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
YOO, Byungkil (IP Center, LG Electronics Inc.,51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
JEON, Nayoung (IP Center, LG Electronics Inc.,51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
Application Number:
KR2018/006371
Publication Date:
December 20, 2018
Filing Date:
June 04, 2018
Export Citation:
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Assignee:
LG ELECTRONICS INC. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
F04C18/02; F04C28/22; F04C28/26; F04C29/12
Foreign References:
US20160032924A12016-02-04
KR20050100302A2005-10-18
KR101731449B12017-04-28
KR20100081814A2010-07-15
KR20120008045A2012-01-25
KR101800261B12017-11-22
Attorney, Agent or Firm:
PARK, Jang-Won (2nd-3rd Fl, 566, Gangnam-daero,Gangnam-gu, Seoul, 06044, KR)
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