HEAT STORAGE-TYPE EXHAUST GAS PURIFICATION DEVICE

Title:

HEAT STORAGE-TYPE EXHAUST GAS PURIFICATION DEVICE

Document Type and Number:

WIPO Patent Application WO/2014/155889

Kind Code:

A1

Abstract:

This heat storage-type exhaust gas purification device is provided with: a combustion chamber which burns and decomposes components contained in exhaust gas; heat storage chambers which each have one end connecting to the combustion chamber and which are respectively provided with heat storage bodies; supply openings which are provided at the other ends of the heat storage chambers, have opening/closing valves, and supply exhaust gas to the heat storage chambers; discharge openings which are provided at the other ends of the heat storage chambers, have opening/closing valves, and discharge treated exhaust gas; a gas discharge duct which is connected to the discharge openings and which discharges the treated exhaust gas to the outside; and bypass passages which connect the combustion chamber and the gas discharge duct, the bypass passages being connected to the combustion chamber at positions above the heat storage chambers and respectively having opening/closing valves; and a control unit which, when the temperature of the heat storage chambers is higher than or equal to a predetermined temperature, opens one or more of the opening/closing valves in the bypass passages so as to discharge a part of exhaust gas within the combustion chamber to the bypass passages.

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Inventors:

NAKAYAMA KATSUYA (JP)
HATA ATSUSHI (JP)
FUJITA SHIGEKI (JP)
CHENG YI (JP)
OZAKI TERUHIKO (JP)

Application Number:

PCT/JP2013/084935

Publication Date:

October 02, 2014

Filing Date:

December 26, 2013

Export Citation:

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Assignee:

SINTOKOGIO LTD (JP)

International Classes:

F23G7/06; F23C9/00; F23L15/00; F23M9/06

Foreign References:

JP2003240223A	2003-08-27
JP2007205609A	2007-08-16
JP2003287215A	2003-10-10
JP2007247922A	2007-09-27
JP3112831U	2005-08-25
JP2004077017A	2004-03-11

Other References: