Title:
TWO-STAGE SCREW COMPRESSOR AND AIR CONDITIONING UNIT
Document Type and Number:
WIPO Patent Application WO/2024/087895
Kind Code:
A1
Abstract:
A two-stage screw compressor and an air conditioning unit. The two-stage screw compressor comprises: a housing (1); a partition plate (11), the partition plate (11) dividing the housing (1) into a first pressure stage housing (12) and a second pressure stage housing (13), which are in communication with each other; a first pressure stage rotor pair (41), which is provided in the first pressure stage housing (12); and a second pressure stage rotor pair (42), which is provided in the second pressure stage housing (13). A first male rotor (411) of the first pressure stage rotor pair (41) and a second male rotor (421) of the second pressure stage rotor pair (42) are coaxially arranged, and a first female rotor (412) of the first pressure stage rotor pair (41) and a second female rotor (422) of the second pressure stage rotor pair (42) are coaxially arranged. The second pressure stage housing (13) is provided with a gas supply portion (5'), and a gas supply outlet (52) of the gas supply portion (5') faces the partition plate (11).
Inventors:
ZHANG ZHIPING (CN)
WU XIAOKUN (CN)
BI YUSHI (CN)
ZHANG YIQIN (CN)
LIU ZHIHUA (CN)
WU XIAOKUN (CN)
BI YUSHI (CN)
ZHANG YIQIN (CN)
LIU ZHIHUA (CN)
Application Number:
PCT/CN2023/117209
Publication Date:
May 02, 2024
Filing Date:
September 06, 2023
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F04C18/16; F04C23/00; F04C29/12
Foreign References:
| CN115479027A | 2022-12-16 | |||
| CN114215749A | 2022-03-22 | |||
| CN105864041A | 2016-08-17 | |||
| CN106704179A | 2017-05-24 | |||
| CN113464435A | 2021-10-01 | |||
| CN104632626A | 2015-05-20 | |||
| JP2008297996A | 2008-12-11 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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