Title:
SCREW COMPRESSOR HAVING STACKED ROTORS
Document Type and Number:
WIPO Patent Application WO/2020/133561
Kind Code:
A1
Abstract:
A screw compressor having stacked rotors, comprising a housing (1), a screw rotor and a drive motor (12); the screw rotor comprises a male screw (2) and female screw (3) that are engaged with one another; the male screw (2) consists of several first pieces (21) that are arranged in sequence in a staggered shifting stack, and the female screw (3) consists of several second pieces (31) that are arranged in sequence in a staggered shifting stack. By means of providing male and female screws (2, 3) in staggered shifting stacks, the technical difficulty for the production of the screw compressor is greatly reduced, which reduces production costs to a certain extent and enables mass production.
Inventors:
LIAO BENYI (CN)
Application Number:
PCT/CN2019/070272
Publication Date:
July 02, 2020
Filing Date:
January 03, 2019
Export Citation:
Assignee:
DONGGUAN HESHENG ELECTRICAL AND MECH CO LTD (CN)
International Classes:
F04C18/16
Foreign References:
| CN105065264A | 2015-11-18 | |||
| CN204012971U | 2014-12-10 | |||
| CN105149870A | 2015-12-16 | |||
| CN101265816A | 2008-09-17 | |||
| CN201874822U | 2011-06-22 | |||
| JP2010203458A | 2010-09-16 |
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