专利名称：Pilot operated proportional pressure valve
assembly with electronic pre-controller
发明人：RISLE, ANDREAS申请号：EP10003415.6申请日：20100330公开号：EP2237128B1公开日：20120404
摘要：The pre-controlled pressure proportional valve assembly has a pre-controlledstep (12) and a main step (13), where the pre-controlled step has a ventilating valve (27)and an electrically actuated exhaust valve (28) with a pre-controlled chamber (17)impinged with controlled pressure. A control system (11) has a control unit for closingthe ventilation valve and opening the exhaust valve by presetting of a reference-operating pressure and for reclosing the exhaust valve after lowering the actual-operating pressure below a predetermined actual threshold.
申请人：FESTO AG & CO. KG,FESTO AG & CO KG,FESTO AG & CO. KG
地址：DE
国籍：DE
代理机构：Kocher, Mark Werner
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