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Patent Searching and Data


Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/216916
Kind Code:
A1
Abstract:
The present invention relates to a rotary compressor comprising: a drive motor provided inside a case and a rotation shaft coupled to the drive motor, for delivering rotational force; a first cylinder and a second cylinder each having an open circular center part where a compression area is formed; a first roller and a second roller which rotate in the compression space; a first vane and a second vane for partitioning the compression space of each of the cylinders into a suction chamber and a compression chamber; a main bearing coupled to the top part of the first cylinder and a sub bearing coupled to the bottom part of the second cylinder; and a middle plate provided between the main bearing and the sub bearing, for separating the first cylinder and the second cylinder, wherein the middle plate may have an oil channel formed from a side surface towards the interior and have heat exchange occur due to oil moving along the oil channel.

Inventors:
CHO, Gukhyun (IP Center, LG Electronics Inc.,51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
SA, Bumdong (IP Center, LG Electronics Inc.,51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
Application Number:
KR2018/004995
Publication Date:
November 29, 2018
Filing Date:
April 30, 2018
Export Citation:
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Assignee:
LG ELECTRONICS INC. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
F04C18/356; F04C28/22; F04C29/02; F04C29/04
Foreign References:
KR20130093365A2013-08-22
US20100319394A12010-12-23
KR101094561B12011-12-19
JP2000054975A2000-02-22
JP2012159008A2012-08-23
Attorney, Agent or Firm:
PARK, Jang-Won (2nd-3rd Fl, 566, Gangnam-daero,Gangnam-gu, Seoul, 06044, KR)
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