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Title:
MUDDY-WATER CIRCULATION TYPE INJECTION PUMP
Document Type and Number:
Japanese Patent JPS61237890
Kind Code:
A
Abstract:

PURPOSE: To obtain a muddy-water circulation type injection pump for which maintenance and inspection of valve is easy, by installing a discharge valve from the side part of a cylinder case and inserting a suction valve from the same direction through a valve installation port oppositely formed to a suction port and fixing the both valves by an outside valve stop mechanism.

CONSTITUTION: On one edge side of a muddy-water circulation type injection pump, a discharge valve apparatus 5 is installed for a discharge port 9 from the side part of the cylinder case 2a, and fixed by a pressing bolt 1d. While, the valve installation port 7 for a suction valve apparatus 4 is opened contiguously to the discharge port 9 of the cylinder case 2a, and a suction port 6 is opened onto the cylinder case wall on the opposite side where the valve installation port 7 is set oppositely. The suction valve apparatus 4 is fitted into a piston chamber 3a from the valve installation port 7, and fixed onto the cylinder case 2a from outside by a pressing bolt 8g.


Inventors:
Kamimura, Shozo
Application Number:
JP1985000079090
Publication Date:
October 23, 1986
Filing Date:
April 13, 1985
Export Citation:
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Assignee:
CHUO JIDOSHA KOGYO KK
International Classes:
F04B53/10; F04B15/02; (IPC1-7): F04B21/02
Domestic Patent References:
JPS51105605A
JPS5840575U
JPS608574U