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Patent Searching and Data


Title:
PUMP BODY ASSEMBLY AND COMPRESSOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2020/052418
Kind Code:
A1
Abstract:
A pump body assembly and a compressor having the same. The pump body assembly comprises: an oil supply channel for circulating oil; and two back pressure members, at least one of the back pressure members being provided with a back pressure groove (10), the back pressure groove (10) comprising a first groove section (11) and a second groove section (12) spaced apart from the first groove section (11), the first groove section (11) communicating with the oil supply channel, the second groove section (12) communicating with the oil supply channel, wherein the area of the first groove section (11) communicating with the oil supply channel is a, the area of the second groove section (12) communicating with the oil supply channel is b, and a < b. The pump body assembly resolves the issue in which vane head portions of pump body assemblies in the prior art have relatively high power consumption during a suction phase.

Inventors:
XU JIA (CN)
LUO FAYOU (CN)
WAN PENGKAI (CN)
WU FEI (CN)
DING NING (CN)
GUO SHUANG (CN)
Application Number:
CN2019/102052
Publication Date:
March 19, 2020
Filing Date:
August 22, 2019
Export Citation:
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Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F04C18/344; F04C28/00
Foreign References:
CN108869285A2018-11-23
CN208749550U2019-04-16
CN106704184A2017-05-24
CN105275815A2016-01-27
CN105909525A2016-08-31
CN105402125A2016-03-16
CN107882728A2018-04-06
JP3014204B22000-02-28
CN201811062779A2018-09-12
Other References:
See also references of EP 3798446A4
Attorney, Agent or Firm:
KANGXIN PARTNERS, P. C. (CN)
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