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Title:
ROTARY COMPRESSOR, GAS COMPRESSION SYSTEM, REFRIGERATING SYSTEM AND HEAT PUMP SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/227853
Kind Code:
A1
Abstract:
Disclosed are a rotary compressor, a gas compression system, a refrigerating system and a heat pump system. The rotary compressor comprises: an air cylinder (10), a cam mechanism (30), a slip sheet (40) and a swinging block (50); a cam portion of the cam mechanism (30) is rotatablely disposed in the air cylinder (10); the air cylinder (10) is provided with a slip sheet groove (13); the slip sheet (40) is mounted in the slip sheet groove (13); the swinging block (50) and the front end of the slip sheet (40) are hinged around a first axis; the first axis is parallel to the axis of the air cylinder (10); the swinging block (50) is provided with a press-against surface (55), and the press-against surface (55) presses against the excircle surface of the cam portion; the press-against surface (55) is internally tangent with the excircle surface of the cam portion; and the press-against surface (55) is a circular arc surface having a radius of r1 and a radius of the excircle surface of the cam portion is r2, which satisfy: 0.01%≤(r1-r2)/r2.

Inventors:
JIANG JUNZHI (CN)
LI GAIMIN (CN)
ZHU YUNNONG (CN)
CHEN ZHONGGUI (CN)
LI HUAMING (CN)
Application Number:
CN2018/113636
Publication Date:
December 05, 2019
Filing Date:
November 02, 2018
Export Citation:
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Assignee:
GUANGDONG MEIZHI PREC MFG CO (CN)
International Classes:
F04C18/356
Foreign References:
CN202833169U2013-03-27
CN102767519A2012-11-07
CN204312329U2015-05-06
CN202520553U2012-11-07
CN202203115U2012-04-25
JPS60228793A1985-11-14
JP2018080633A2018-05-24
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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