US Patent 11028862 Metering hydraulic control system for mining machine
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Patent abstract
A hydraulic system arranged to control at least two hydraulic actuators via a metering control valve assembly. The hydraulic system is advantageous to control a pivoting arm of an undercutting mining machine according to at least two modes of operation including an idling mode and a cutting mode. In particular, the hydraulic actuators may be controlled by quantitative variation of fluid flow speed and pressure.
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Patent Number
110288620
Date of Patent
June 8, 2021
0Patent Application Number
164870830
Date Filed
February 24, 2017
0Official Website
Patent Citations
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
110288620
Date of Patent
June 8, 2021
0Patent Application Number
164870830
Date Filed
February 24, 2017
0Official Website
Patent Citations
Patent Primary Examiner
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US Patent 11028862 Metering hydraulic control system for mining machine
Infobox
Is a
Patent jurisdiction
Patent number
11028862
Date of patent
June 8, 2021
Patent application number
16487083
Date Filed
February 24, 2017
Patent citations
Patent primary examiner
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