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Title:
両出し吐出口を有する流路切替機能付きエアポンプ
Document Type and Number:
Japanese Patent JP4162964
Kind Code:
B2
Abstract:

To provide an air pump which is connectable even when an air pipe of aeration piping and backwashing piping of a septic tank is reversely laid by mistake, with the air pipe in the mistakenly laid state.

The air pump 1 comprises a pump main body 2, an air tank 3 for discharging from either an outlet port A or B, and a control device 4. The air tank 3 is equipped with an air chamber 11, 12 and 13 partitioned by partitioning walls 14, and a flow path switching device 5 attached thereto. The partitioning walls 14 are provided with branch mouths 9 and 10 for dividing an air flow path. The outlet port A comprises two outlet ports A1and A2provided in the air chamber 12 or 13, the outlet port B comprises two outlet ports B1and B2provided in the air chamber 12 or 13, and the outlet ports A1and B1are positioned to complement the outlet ports A2and B2in plan view.

COPYRIGHT: (C)2004,JPO


Inventors:
Hisashi Kobayashi
Application Number:
JP2002291213A
Publication Date:
October 08, 2008
Filing Date:
October 03, 2002
Export Citation:
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Assignee:
Hitachi House Tech Co., Ltd.
International Classes:
F04B41/02; C02F3/20; F04B45/047
Domestic Patent References:
JP10238473A
JP2001317463A
JP2001207967A
JP3065844U
Attorney, Agent or Firm:
Masatake Shiga
Takahashi Nobuo
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Murayama Yasuhiko