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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works LtdfiledCriticalMatsushita Electric Works Ltd
Priority to JP5569176ApriorityCriticalpatent/JPS5813752B2/en
Publication of JPS52138356ApublicationCriticalpatent/JPS52138356A/en
Publication of JPS5813752B2publicationCriticalpatent/JPS5813752B2/en
Loading And Unloading Of Fuel Tanks Or Ships
(AREA)
Reciprocating Pumps
(AREA)
Abstract
PURPOSE: To permit regulation of flow with a simple construction, by utilizing buoyancy of air and discharging water into a sewage pumping-up cylinder.