专利名称：METERING MECHANISM FOR A
PROPORTIONING PUMP, AND ASSOCIATEDPUMP AND USAGE METHOD
发明人：DUQUENNOY, Philippe,MAHIEUX, Richard申请号：EP17735598.9申请日：20170711公开号：EP3485165A1公开日：20190522
摘要：The invention relates to a metering mechanism (D) comprising a meteringelement (10) that is translatably mounted in a jacket (3), the jacket being mounted in anadjusting sleeve (4) that can cooperate with the jacket by way of a screwing movement,the screwing/unscrewing movement causing a translatory movement of the meteringelement; at one end, the metering element is provided with a check valve (11), and at theother end, same accommodates a plunger (9), the reciprocating translatory movement ofwhich creates suction at the end of the element provided with the valve (11), followed byexpulsion into a volume (V) surrounding the other end of the metering element via apassage formed in at least one first sealing device (J91; J1) and in a second sealing device(J93). The invention also relates to a proportioning pump comprising a meteringmechanism of said type as well as to a method for using a pump of said type in at leasttwo metering ranges.
申请人：Dosatron International
地址：Rue Pascal 33370 Tresses FR
国籍：FR
代理机构：IPAZ
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容