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HYDRAULIC CONTROL SYSTEM OF AN IMPLEMENT FOR A WORK MACHINE AND METHOD THEREOF
专利权人:
DEERE & COMPANY
发明人:
Adam D. Sporrer,Jarrod R. Ruckle
申请号:
US15972310
公开号:
US20180249622A1
申请日:
2018.05.07
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An agricultural implement includes a transversely extending frame forming a first, a second, and a third frame section. A hydraulic control system controls a raising or lowering movement of each frame section. A first actuator and a second actuator are coupled to the first frame section, a third actuator is coupled to the second frame section, and a fourth actuator is coupled to the third frame section. A first control valve is fluidly coupled between a fluid source and the first and second actuators. A second control valve is fluidly coupled to the third actuator and a third control valve is fluidly coupled to the fourth actuator. A first flow path fluidly couples the first actuator, the second actuator, the third actuator, and the fourth actuator in series and a second flow path fluidly couples at least the third and fourth actuators in parallel with one another.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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