Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP15504075ApriorityCriticalpatent/JPS5279301A/en
Publication of JPS5279301ApublicationCriticalpatent/JPS5279301A/en
PURPOSE: A smooth liquid pumping-up system without any foot or check valve and having a discharge pipe being lowered below the liquid level on the way to retain the liquid in it even during the interruption of the pump.
COPYRIGHT: (C)1977,JPO&Japio
JP15504075A1975-12-261975-12-26Liquid pumping-up system
PendingJPS5279301A
(en)