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HYDRAULIC HEADER CONTROL OF A COMBINE HARVESTER
专利权人:
发明人:
Curtiss M. LEE,Ryan L. SWENSON,Allen C. LEE
申请号:
US14516110
公开号:
US20160106037A1
申请日:
2014.10.16
申请国别(地区):
US
年份:
2016
代理人:
摘要:
In one embodiment, a method of controlling a hydraulic header that is coupled to a feeder house of a combine harvester, the method comprising: providing, by a pump, a flow of hydraulic fluid through a first plurality of components fluidly coupled together, wherein in a first mode, the first plurality of components comprises a pump, a first-multi-position valve, a first port of a hydraulic cylinder, a second port of the hydraulic cylinder, a second-multi-position valve in a first position, and a well, wherein the hydraulic cylinder is affixed to the feeder house providing, by the pump, a flow of hydraulic fluid through a second plurality of components fluidly coupled together, wherein in a second mode, the second plurality of components comprises the pump, the first-multi-position valve, the first port of the hydraulic cylinder, the second port of the hydraulic cylinder, the second-multi-position valve in a second position, and back to the first port of the hydraulic cylinder, bypassing the well and combining with the flow from a discharge of the pump and switching between the first position and the second position to enable the switching between the first and second modes, wherein the header is raised by operation of the hydraulic cylinder according to the flow of the hydraulic fluid through the first plurality of components in the first mode and according to the flow of the hydraulic fluid through the second plurality of components in the second mode.
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