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AGRICULTURAL SYSTEM
专利权人:
发明人:
申请号:
EP15856590.3
公开号:
EP3214914A1
申请日:
2015.11.07
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
A hydraulic control system for controlling the down force on an agricultural implement comprises a hydraulic cylinder containing a movable ram, a source of pressurized fluid coupled to the hydraulic cylinder on a first side of the ram by a first controllable valve, a fluid sump coupled to the hydraulic cylinder on the first side of the ram by a second controllable valve, and an electrical controller coupled to the valves for opening and closing the valves. The valves may be self-latching valves that remain in an open or closed position until moved to the other position in response to a signal from the controller.
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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