DIAPHRAGM TYPE AIR PUMP AND SEPTIC TANK THEREWITH

Title:

DIAPHRAGM TYPE AIR PUMP AND SEPTIC TANK THEREWITH

Document Type and Number:

Japanese Patent JPH11336669

Kind Code:

A

Abstract:

To provide a septic tank with a diaphragm type air pump being small in size and excellent in the supply efficiency of air and an air pump device.

This air pump 3 is equipped with two pump elements 41 and 43 discharging air by vibrations of a diaphragm. In this case, it is also equipped with a casing 33, these two pump elements 41 and 43 set up in the casing 33, a control unit controlling these pump elements 41 and 43, and two discharge ports 71 and 73 installed in corresponding to these pump elements 41 and 43, respectively.

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Inventors:

ISHIGAKI TSUTOMU
HIBINO ATSUSHI
KOSAKA KAZUO

Application Number:

JP16155598A

Publication Date:

December 07, 1999

Filing Date:

May 27, 1998

Export Citation:

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Assignee:

HITACHI CHEMICAL CO LTD

International Classes:

F04B45/04; C02F3/00; F04B45/047; (IPC1-7): F04B45/04; C02F3/00; F04B45/047

Attorney, Agent or Firm:

Soichiro Sano

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