AGRICULTURAL IMPLEMENT WITH ACCUMULATOR SUSPENSION

专利名称：AGRICULTURAL IMPLEMENT WITH

ACCUMULATOR SUSPENSION

发明人：VAN DER LELIJ, Bart申请号：EP10798851.1申请日：20101209公开号：EP2521433A1公开日：20121114

摘要：Agricultural implement (1) with a fluid system to fold up a subframe (20),comprising - a conduit assembly, - a pump (110), - a reservoir (120), - an operable multipleposition valve (130) with an inlet (P), an outlet (T) and a flow-through port (S), switchingbetween: a pump position, a neutral position, and a discharge position; - an accumulator(170); - a cylinder (180); a valve assembly (140) comprising: - a non-return valve (150), and- a pressure valve (160) comprising a first port (I) to the flow-through port, a second port(II) to the accumulator and the second valve port, and a third port (III) to the cylinder; - aclosing element (161), wherein, in a first closing position, the first port is closed and thethird port is open to the second port, and, in a second closing position, the second port isclosed and the third port is open to the first port. This provides a simple, resilienthydraulic lifting system for an agricultural implement.

申请人：Lely Patent N.V.

地址：Weverskade 110 3147 PA Maassluis NL

国籍：NL

代理机构：Postma, Robert Erwin

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