公开(公告)号：EP1872017A1

公开(公告)日：2008-01-02

申请号：EP06738394.3

申请日：2006-03-15

申请人： Miskin, Mark R.

发明人： Miskin, Mark R.

IPC分类号： F15B1/02 ,  E02F9/22

CPC分类号： E02F9/2217 ,  E02F3/6454 ,  E02F3/6481 ,  E02F3/651 ,  E02F3/652 ,  F15B1/021 ,  F15B1/024 ,  F15B2211/205 ,  F15B2211/212 ,  F15B2211/3056 ,  F15B2211/3138 ,  F15B2211/324 ,  F15B2211/327 ,  F15B2211/625 ,  F15B2211/6336

摘要： The present invention includes hydraulic systems designed to allow the selection of a source of pressurized hydraulic fluid to lift a load. In one embodiment, a hydraulic system in accordance with the present invention comprises a hydraulic accumulator that may be selected as a source of pressurized hydraulic fluid to lift a load. Such a hydraulic system may or may not be part of a cushion ride system. The present invention also includes methods for selecting a source of pressurized hydraulic fluid to lift a load and earth moving or ground leveling apparatus that allow the selection of a source of pressurized hydraulic fluid to lift a load.