专利名称：PUMP AND METHOD FOR OPERATING
PUMP
发明人：ADACHI, KATSUMI申请号：EP12807322申请日：20120629公开号：EP2728189A4公开日：20150401
摘要：A pump according to the present invention is provided with a communicationportion that provides continuous communication between a pump section and adischarge section in a state where a discharge-side check valve suppresses a backflow,and a size of the communication portion is set so that, when the continuously expandingand contracting pump section contracts, a volume of gas mixed in liquid in the pumpsection is contracted.
申请人：TACMINA CORPORATION
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