Title:
PUMP BODY ASSEMBLY, FLUID MACHINE, AND HEAT EXCHANGE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/098312
Kind Code:
A1
Abstract:
Disclosed are a pump body assembly, a fluid machine, and a heat exchange apparatus. The pump body assembly comprises: a piston (1); a rotary shaft (2); a cylinder (4) with an intake port (43) and an exhaust port (41); and a piston sleeve (3) located in the cylinder (4). The rotary shaft (2) drives the piston (1) to rotate and reciprocate in the piston sleeve (3) at the same time; a compression cavity (5) is formed between the piston (1) and the inner wall face of the air cylinder (4); and the compression cavity (5) is configured, when the pump assembly finishes exhausting and starts sucking in air, to be disengaged from the exhaust port (41) and rotate by an angle β, wherein the angle β is larger than 0° and smaller than or equal to 10°.
Inventors:
HU YUSHENG (CN)
WEI HUIJUN (CN)
XU JIA (CN)
DU ZHONGCHENG (CN)
YANG SEN (CN)
REN LIPING (CN)
LI ZHI (CN)
ZHANG PEILIN (CN)
ZHANG RONGTING (CN)
LIANG SHEBING (CN)
DING NING (CN)
SHI ZHENGLIANG (CN)
WEI HUIJUN (CN)
XU JIA (CN)
DU ZHONGCHENG (CN)
YANG SEN (CN)
REN LIPING (CN)
LI ZHI (CN)
ZHANG PEILIN (CN)
ZHANG RONGTING (CN)
LIANG SHEBING (CN)
DING NING (CN)
SHI ZHENGLIANG (CN)
Application Number:
PCT/CN2020/110556
Publication Date:
May 27, 2021
Filing Date:
August 21, 2020
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F04C18/22; F04C29/00
Foreign References:
| CN110905808A | 2020-03-24 | |||
| CN107387410A | 2017-11-24 | |||
| CN208281176U | 2018-12-25 | |||
| JPH01313680A | 1989-12-19 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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