发明名称 Hydraulic circuit and method for operating a sealing device
摘要 A hydraulic circuit and method for operating a hydraulic device according to which fluid is passed from a source to the device while some of the fluid is passed to a valve that is adjustable to control the amount of fluid passed to it and therefore the amount of fluid passed to the device.
申请公布号 US7032499(B2) 申请公布日期 2006.04.25
申请号 US20040897059 申请日期 2004.07.22
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 DOMANN ROBERT E.
分类号 F15B13/04 主分类号 F15B13/04
代理机构 代理人
主权项
地址