CRANE HYDRAULIC SYSTEM AND CONTROLLING METHOD OF THE SYSTEM
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United States of America Patent
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Issued Date -
Jul 29, 2021
app pub date -
Apr 12, 2021
filing date -
Oct 30, 2014
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Abstract
A crane hydraulic system and a controlling method of the system is provided in order to fundamentally reduce impact in start and stop operations of a load sensing winch system. The load sensing subsystem is arranged, at the start and stop moments of a winch system, the pressure compensator can be opened, and the variable pump oil inlet line communicates with the oil return line to realize pressure relief, so as to reduce the pressure impact.
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