Title:
ELECTRICAL WELL PUMP APPARATUS
Document Type and Number:
Japanese Patent JPS52138708
Kind Code:
A
Abstract:
PURPOSE: In the well pump automatically driven by the pressure switch, a reducing valve apparatus is arranged between the discharge pipe and the water pipe steel, and the pressure tank is miniaturized or omitted.
Inventors:
SAIJIYOU MASARU
Application Number:
JP5686876A
Publication Date:
November 19, 1977
Filing Date:
May 17, 1976
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
F04D15/00; F04B23/02; (IPC1-7): F04B23/02