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 JP90576ApriorityCriticalpatent/JPS5285701A/en
Publication of JPS5285701ApublicationCriticalpatent/JPS5285701A/en
PURPOSE: To develope an economical operation of a pump, by providing a pump delivery capacity with a gap and by performing an operational control of pump corresponding to it.
COPYRIGHT: (C)1977,JPO&Japio
JP90576A1976-01-071976-01-07Economical operation device of pump
PendingJPS5285701A
(en)