HYDRAULIC POWER TRANSMISSION SYSTEM FOR A MINERAL MATERIAL PROCESSING PLANT, A METHOD FOR CONTROLLING THE SAME, A SCREENING MACHINE AND A CRUSHING MACHINE
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jan 17, 2008
filing date -
Jan 17, 2008
priority date (Note) -
Abandoned
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Abstract
Hydraulic transmission system for a mineral material processing plant, which transmission system comprises at least two hydraulic first motors, which are arranged to drive at least one conveyor belonging to the mineral material processing plant, at least two first directional valves connected via the first actuator channels of the directional valves to each of the first motors, a hydraulic pump arranged to transfer hydraulic fluid via the first actuator channels of the directional valves to the first motors. The system also comprises pressure sensors. The first directional valves are valves that can be adjusted by external control during the running of the processing plant and which are arranged to control the volume flow of the hydraulic fluid supplied into the first motors. The control is made on the basis of the pressure of hydraulic fluid measured by pressure sensors in the first actuator channels the directional valves.
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