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Title:
SELF-AIR MAKE UP DEVICE OF PRESSURE TANK FOR AUTOMATIC WATER PUPPLY SYSTEM
Document Type and Number:
Japanese Patent JPS5356705
Kind Code:
A
Abstract:

PURPOSE: To make a self-air make up device function well at the time of a forced pump running, by delaying opening of a negative valve at the time of pump starting.


Inventors:
ISHIGURO TADASHI
OOYAMA TEISAI
SAKAI HIROAKI
Application Number:
JP13191176A
Publication Date:
May 23, 1978
Filing Date:
November 01, 1976
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D13/16; F04B23/02; (IPC1-7): F04B23/02
Domestic Patent References:
JPS4219980Y11967-11-20
JPS4028684Y1
JPS4025413Y1
JPS4017183Y1



 
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