Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SCREW COMPRESSOR ROTOR STRUCTURE AND VARIABLE-FREQUENCY SCREW COMPRESSOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/153873
Kind Code:
A1
Abstract:
A screw compressor rotor structure and a variable-frequency screw compressor having the same. The screw compressor rotor structure comprises a female rotor, the female rotor comprising a female rotor body (10); a plurality of female tooth portions (11) are disposed on the female rotor body (10), and a tooth profile line is formed between the crests of two adjacent female tooth portions (11) on an end surface of the female rotor body (10); the tooth profile line is formed by connecting an arc segment a1b, an envelope bc, an arc segment cd, an arc segment de, an arc segment ea2 and an arc segment a2a3 end to end in sequence along the counterclockwise direction, the centers of the arc segment cd and the arc segment de being located at two sides of the tooth profile line.

Inventors:
LIU HUA (CN)
ZHANG TIANYI (CN)
LI RIHUA (CN)
LONG ZHONGKENG (CN)
XU YUNGONG (CN)
Application Number:
CN2018/120371
Publication Date:
August 15, 2019
Filing Date:
December 11, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)
International Classes:
F04C18/16
Foreign References:
CN108278208A2018-07-13
CN102352840A2012-02-15
CN106499635A2017-03-15
US5364250A1994-11-15
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
Download PDF: