Hydraulic control system for gyratory crusher provided with safety system for overload conditions
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United States of America Patent
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-
Mar 10, 1998
Grant Date -
N/A
app pub date -
Jul 9, 1996
filing date -
Jan 17, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hydraulic control system for a gyratory crusher has a hydraulically supported main shaft. An inlet line to the cylinder is provided with a pressure relief valve. When the pressure in the cylinder, e.g. because of a disturbance, exceeds the opening pressure of the relief valve, fluid flows from the cylinder through the pressure relief valve to the lubricating circuit of the crusher and further to the return line. The safety system of the crusher is simple, reliable, and quick.
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