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Patent Searching and Data


Title:
ON-LINE OIL PURIFICATION SYSTEM OF ROADHEADER AND ROADHEADER
Document Type and Number:
WIPO Patent Application WO/2023/226482
Kind Code:
A1
Abstract:
An on-line oil purification system (10) of a roadheader and a roadheader (20). The on-line oil purification system (10) of the roadheader comprises: a hydraulic oil tank (110); a roadheader hydraulic system (120), the roadheader hydraulic system (120) being connected to the hydraulic oil tank (110) and used for driving the roadheader (20) to work, and the roadheader hydraulic system (120) comprising a main oil pump set; a series pump (130), the series pump (130) being in through shaft connection with the main oil pump set, and an oil inlet of the series pump (130) being connected to the hydraulic oil tank (110); and a fine filtering system, an oil inlet of the fine filtering system being connected to an oil outlet of the series pump (130), and an oil outlet of the fine filtering system being connected to the hydraulic oil tank (110).

Inventors:
ZUO DUO (CN)
QIU GUOQING (CN)
ZHAO NAN (CN)
YIN LI (CN)
MU DONG (CN)
ZHAO YONGLE (CN)
Application Number:
PCT/CN2023/077144
Publication Date:
November 30, 2023
Filing Date:
February 20, 2023
Export Citation:
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Assignee:
SANY HEAVY EQUIPMENT CO LTD (CN)
International Classes:
F15B21/041; E02F9/22
Foreign References:
CN114876917A2022-08-09
CN202520705U2012-11-07
JPH115238A1999-01-12
CN214404147U2021-10-15
CN103174704A2013-06-26
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM et al. (CN)
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