发明名称 Working Device
摘要 The present invention relates to a working device having an element movable via at least one working drive, with at least one energy recovery cylinder being provided for recovering energy from the movement of the movable element and having a chamber filled with gas. In this respect, the energy recovery cylinder has a sealing arrangement for sealing the chamber filled with gas which includes an annular space filled with oil.
申请公布号 US2012301256(A1) 申请公布日期 2012.11.29
申请号 US201113298793 申请日期 2011.11.17
申请人 LAVERGNE HANS-PETER;LIEBHERR-HYDRAULIKBAGGER GMBH 发明人 LAVERGNE HANS-PETER
分类号 E02F9/00;F01B29/08 主分类号 E02F9/00
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