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Title:
ROTARY COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/194294
Kind Code:
A1
Abstract:
The present invention relates to a compressor comprising: a driving motor; a rotary shaft; a main bearing and a sub bearing fixed to a case, and provided along the rotary shaft; a cylinder fixedly provided between the main bearing and the sub bearing, accommodating a refrigerant in the center portion thereof, and having a suction port and a discharge port respectively formed in the radial direction; a roller of which one side is positioned inside the cylinder so as to come in contact with the inner peripheral surface of the cylinder, and which rotates together with the rotary shaft so as to form a compression space inside the cylinder; and at least two vanes insertively provided in the roller, and protruding by the rotation of the roller so as to divide the compression space into a suction chamber and a compression chamber while coming in contact with the inner peripheral surface of the cylinder, wherein a discharge port groove, which is formed to expand the end portion of the discharge port and increases the flow rate of the compressed refrigerant, is formed at one side of the inner peripheral surface of the cylinder.

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Inventors:
KANG SEOUNGMIN (KR)
SHIN JINUNG (KR)
NOH KIYOUL (KR)
Application Number:
KR2018/003884
Publication Date:
October 25, 2018
Filing Date:
April 03, 2018
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F04C18/344; F04C28/26; F04C29/12
Foreign References:
JP2013072429A2013-04-22
JP2015206337A2015-11-19
KR100531288B12005-11-28
KR100531279B12005-11-28
KR100575809B12006-05-03
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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