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Title:
ELECTRIC OIL PUMP
Document Type and Number:
WIPO Patent Application WO/2019/041959
Kind Code:
A1
Abstract:
An electric oil pump (100) comprises a pump housing, a first rotor assembly (8), a pump shaft (5), a second rotor assembly (3), a stator assembly (4), and a circuit board assembly (6). The pump housing comprises at least a first housing (1), a second housing (2), and a third housing (7). A first cavity (80) is formed between the first housing (1) and the second housing (2). A second cavity (90) is formed between the second housing (2) and the third housing (7). The first rotor assembly (8) is accommodated in the first cavity (80). The second rotor assembly (3), the stator assembly (4), and the circuit board assembly (6) are accommodated in the second cavity (90). The first cavity (80) and the second cavity (90) are isolated by an isolation portion (22), such that working media provided therein do not communicate with each other.

Inventors:
LU, Jiangang (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
WU, Zhiwang (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
YIN, Bingjiu (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
ZHANG, Kai (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
ZHOU, Yubin (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
Application Number:
CN2018/090551
Publication Date:
March 07, 2019
Filing Date:
June 11, 2018
Export Citation:
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Assignee:
HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD. (No. 289-2#, 12th Street Economic & Technological Development Are, Hangzhou Zhejiang 8, 310018, CN)
International Classes:
F04C2/10; F04C15/00
Foreign References:
CN207363874U2018-05-15
CN207363873U2018-05-15
CN207420851U2018-05-29
CN207701348U2018-08-07
CN203883614U2014-10-15
CN204068455U2014-12-31
CN205955993U2017-02-15
CN105179232A2015-12-23
JP2004353537A2004-12-16
JP2016023616A2016-02-08
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (7th Floor, Scitech PlaceNo. 22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, 100004, CN)
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