COMPRESSOR PUMP STRUCTURE AND COMPRESSOR

WIPO Patent Application WO/2017/140206

A1

A compressor pump structure, wherein a cylinder liner (30) is provided between an upper flange (10) and a lower flange (20), a cylinder (40) is provided inside the cylinder liner (30), a sliding piston (50) is provided inside the cylinder (40), and a variable volume chamber is formed by the cylinder liner (30), the cylinder (40) and the piston (50); a rotating shaft (60) is disposed through the piston (50), the axis of the rotating shaft (60) is eccentrically disposed with the axis of the cylinder (40), and the eccentricity is fixed, the rotating shaft (60) drives the piston (50) and the cylinder (40) to rotate, and the piston (50) slides within the cylinder (40) while rotating so as to change the volume of the variable volume chamber. Further provided is a compressor with a compressor pump structure. By providing the cylinder liner and the variable volume chamber formed among the cylinder liner, the cylinder and the piston, the structure of a piston liner is replaced and the problem of a circumferential leaking channel is solved, thereby reducing the compressor leaking and improving the compressor performance; and the pump structure is simple to produce and easy to assemble.

HU YUSHENG (CN)
DU ZHONGCHENG (CN)
XU JIA (CN)
REN LIPING (CN)
YANG SEN (CN)
KONG LINGCHAO (CN)
ZHAO QINGFU (CN)
XU JIAKUI (CN)
DING NING (CN)

PCT/CN2017/072199

August 24, 2017

January 23, 2017

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GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI (CN)

F04C18/34

CN105570128A	2016-05-11
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CN2716539Y	2005-08-10
JP2001065472A	2001-03-16
US4723895A	1988-02-09
CN203374478U	2014-01-01
CN1546861A	2004-11-17
CN1959114A	2007-05-09
JPH06272671A	1994-09-27

UNITALEN ATTORNEYS AT LAW (CN)

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