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The Rotary Multi-Plate Valve as an Integrated Control System of a Longwall Roof Support
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Citation (Style = APA)
(1985). The Rotary Multi-Plate Valve as an Integrated Control System of a Longwall Roof Support.
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Reference Manager (RIS)
SpreadSheed (CSV)
(1985). The Rotary Multi-Plate Valve as an Integrated Control System of a Longwall Roof Support.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 3
Publication Date:
Jan 1, 1985
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Abstract
Abstract
| An automatic control system of a longwall roof support is dis-cussed. Hydraulic automatic control systems for longwall roof support have not met all requirements for such systems. Utilization of standard hydraulic elements to form a system that would-comply with all demands leads to a very complicated structure with a large number of hydraulic hoses within and between adjacent supports. So, only simplified systems have been made. This paper describes the multifunctional valve that per-mits realization of any desired logic functions, while maintaining a com-pact form, and analyses its application as a fully hydraulic automatic control system of a roof support. |
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