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.)
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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 JP5661376ApriorityCriticalpatent/JPS52140039A/en
Publication of JPS52140039ApublicationCriticalpatent/JPS52140039A/en
Publication of JPS5517296B2publicationCriticalpatent/JPS5517296B2/ja
PURPOSE: To prevent surging, by connecting passage which makes water supplying pump to be by-pathed to returning pipe from radiator, and opening valve fixed on the by-path pipe at cold water supply time.
COPYRIGHT: (C)1977,JPO&Japio
JP5661376A1976-05-191976-05-19Hot water supply and heating device
GrantedJPS52140039A
(en)