Title:
LIQUID PUMP
Document Type and Number:
WIPO Patent Application WO/2021/052288
Kind Code:
A1
Abstract:
A liquid pump, comprising a pump housing (10), a motor housing (20), and a sleeve (30) arranged between the pump housing (10) and the motor housing (20). One of the pump housing (10), the motor housing (20), and the sleeve (30) is provided with outer sections (32, 33), and another one of the pump housing (10), the motor housing (20), and the sleeve (30) is provided with inner sections (11, 21) abutting against the radial inner sides of the outer sections (32, 33); the outer sections (32, 33) and the inner sections (11, 21) are made of plastics; the outer sections (32, 33) comprise polyphenylene sulfide and fiberglass; the outer sections (32, 33) allow transmission of laser of at least one wavelength, and the inner sections (11, 21) can absorb the laser; the outer sections (32, 33) and the inner sections (11, 21) form sealed connection by means of the absorbed laser.
Inventors:
QIN RUIFENG (CN)
JING YI (CN)
HUANG BENSONG (CN)
FANG ZHENZI (CN)
LIANG GUANYIN (CN)
ZOU GUOYUAN (CN)
ZENG DENIE (CN)
JING YI (CN)
HUANG BENSONG (CN)
FANG ZHENZI (CN)
LIANG GUANYIN (CN)
ZOU GUOYUAN (CN)
ZENG DENIE (CN)
Application Number:
PCT/CN2020/115053
Publication Date:
March 25, 2021
Filing Date:
September 14, 2020
Export Citation:
Assignee:
JOHNSON ELECTRIC GUANGDONG CO LTD (CN)
International Classes:
F04D1/00; F04D29/40
Foreign References:
| CN109854540A | 2019-06-07 | |||
| CN101031718A | 2007-09-05 | |||
| CN209340148U | 2019-09-03 | |||
| CN103671907A | 2014-03-26 | |||
| DE19746763A1 | 1999-05-06 | |||
| CN1243919A | 2000-02-09 | |||
| CN208982361U | 2019-06-14 |
Attorney, Agent or Firm:
SHINY INTELLECTUAL PROPERTY FIRM (CN)
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