发明名称 Transfer valve system
摘要 A hydraulic transfer valve system has a main valve selectively placing one of a primary and secondary hydraulic system in communication with a hydraulic load. A pilot valve provides a toggling action between the primary and secondary systems with respect to pressure changes in such systems.
申请公布号 US2004194458(A1) 申请公布日期 2004.10.07
申请号 US20030405720 申请日期 2003.04.02
申请人 KOGAN BORIS K.;LANGE WILLIAM F. 发明人 KOGAN BORIS K.;LANGE WILLIAM F.
分类号 F15B11/17;F15B20/00;(IPC1-7):F16D31/02 主分类号 F15B11/17
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