JP2005296818A5 - - Google Patents

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Publication number
JP2005296818A5
JP2005296818A5 JP2004117189A JP2004117189A JP2005296818A5 JP 2005296818 A5 JP2005296818 A5 JP 2005296818A5 JP 2004117189 A JP2004117189 A JP 2004117189A JP 2004117189 A JP2004117189 A JP 2004117189A JP 2005296818 A5 JP2005296818 A5 JP 2005296818A5
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JP
Japan
Prior art keywords
exhaust gas
filter
valley
adjacent
peak
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Application number
JP2004117189A
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Japanese (ja)
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JP2005296818A (en
JP4868713B2 (en
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Priority claimed from JP2004117189A external-priority patent/JP4868713B2/en
Priority to JP2004117189A priority Critical patent/JP4868713B2/en
Priority to US11/578,041 priority patent/US7959868B2/en
Priority to CN 200580011086 priority patent/CN100500258C/en
Priority to PCT/JP2005/007377 priority patent/WO2005099867A1/en
Priority to KR1020067021142A priority patent/KR100860327B1/en
Priority to ES05730342T priority patent/ES2358978T3/en
Priority to RU2006139958/15A priority patent/RU2343961C2/en
Priority to EP05730342A priority patent/EP1735077B1/en
Priority to DE602005025992T priority patent/DE602005025992D1/en
Publication of JP2005296818A publication Critical patent/JP2005296818A/en
Publication of JP2005296818A5 publication Critical patent/JP2005296818A5/ja
Publication of JP4868713B2 publication Critical patent/JP4868713B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (8)

金属薄板よりなり山部と谷部とが排ガス流れ方向と交差する方向に交互に連続する波状板と、耐熱性繊維が集積されてなるガス透過性の平板と、が交互に積層されてなり、該山部及び該谷部が排ガス流路を構成し、該平板がフィルタを構成する排ガス浄化フィルタ装置であって、
該波状板の上側に該平板が積層された部位において、
該谷部は谷深さが浅くなることで形成された凸状の中間山部を有し、該中間山部と隣接する両側の該山部と該山部に接する該平板とで流路が閉塞され排ガスを該フィルタへ導くフィルタ導入部を構成し、
該山部は山高さが低くなることで形成された凹状の中間谷部を有し、該中間谷部は隣接する該谷部から排ガスが分岐して流入可能な分岐部とその下流側で該山部に連通する開口とよりなり該フィルタ導入部に隣接する該排ガス流路へ分岐して該フィルタ導入部を迂回するフィルタ迂回部を構成し、
該フィルタ導入部内の圧力が高まった場合に、該谷部を流れる排ガスの少なくとも一部が該フィルタ導入部から該フィルタ導入部の上流側に存在する該フィルタ迂回部を通過して隣接する該山部に流入するように構成されたことを特徴とする排ガス浄化フィルタ装置 A corrugated plate made of a thin metal plate and alternately continuous in a direction in which peaks and troughs intersect the exhaust gas flow direction, and a gas-permeable flat plate in which heat-resistant fibers are accumulated, are alternately laminated, The peak portion and the valley portion constitute an exhaust gas flow path, and the flat plate is an exhaust gas purification filter device constituting a filter,
In the portion where the flat plate is laminated on the upper side of the corrugated plate,
The valley portion has a convex intermediate peak portion formed by decreasing the depth of the valley, and the flow path is formed by the peak portions on both sides adjacent to the intermediate peak portion and the flat plate in contact with the peak portion. Constituting a filter introduction part that is closed and guides the exhaust gas to the filter;
The peak portion has a concave intermediate valley portion formed by lowering the peak height, and the intermediate valley portion is a branch portion into which exhaust gas branches off from the adjacent valley portion and can flow in and downstream of the branch portion. A filter bypass portion configured to open to communicate with the mountain portion and branch to the exhaust gas flow channel adjacent to the filter inlet portion to bypass the filter inlet portion;
When the pressure in the filter introduction part increases, at least a part of the exhaust gas flowing through the valley part passes through the filter bypass part existing upstream from the filter introduction part and is adjacent to the mountain. Exhaust gas purification filter device configured to flow into a part 前記フィルタ導入部の前記平板を介した反対側には、隣接する前記波状板の前記山部が存在している請求項１に記載の排ガス浄化フィルタ装置。 2. The exhaust gas purification filter device according to claim 1 , wherein the peak portion of the adjacent corrugated plate is present on the opposite side of the filter introduction portion through the flat plate. 前記波状板の下側に前記平板が積層された部位において、
前記谷部は谷深さが浅くなることで形成された凸状の中間山部を有し、該中間山部は隣接する前記山部から排ガスが分岐して流入可能な分岐部とその下流側で前記谷部に連通する開口とよりなる前記フィルタ迂回部を構成し、
前記山部は山高さが低くなることで形成された凹状の中間谷部を有し、該中間谷部と隣接する両側の前記谷部と前記谷部に接する前記平板とで流路が閉塞された前記フィルタ導入部を構成し、
該フィルタ導入部内の圧力が高まった場合に、前記山部を流れる排ガスの少なくとも一部が該フィルタ導入部から該フィルタ導入部の上流側に存在する該フィルタ迂回部を通過して隣接する前記谷部に流入するように構成された請求項１に記載の排ガス浄化フィルタ装置。 In the portion where the flat plate is laminated below the corrugated plate,
The valley has the convex intermediate ridges formed in the valley depth becomes shallow, intermediate crests and inflow bifurcation branches exhaust gas from said adjacent crest downstream in configure becomes more an opening communicating with the valleys the filter detour,
The crest portion has a concave intermediate valley portion which is formed by peak height decreases, the flow path is closed by both sides of the valley and the adjacent valley between intermediate and the flat plate in contact with the valleys Constituting the filter introduction part,
When increased pressure in the filter inlet section, the trough at least a portion of the exhaust gas flowing through said crests are adjacent through the filter bypass portion located upstream side of the filter inlet section from the filter inlet portion The exhaust gas purification filter device according to claim 1, configured to flow into a portion. 前記フィルタ導入部の前記平板を介した反対側には、隣接する前記波状板の前記谷部が存在している請求項３に記載の排ガス浄化フィルタ装置。 The exhaust gas purification filter device according to claim 3 , wherein the valley portion of the adjacent corrugated plate is present on the opposite side of the filter introduction portion through the flat plate. 前記中間谷部及び前記中間山部は、前記山部又は前記谷部を変形させることで形成され、それぞれ上流側端部が底部又は頂部に向かって滑らかに連続している請求項１に記載の排ガス浄化フィルタ装置。 The intermediate valley and the intermediate ridges are formed by deforming the crests or the valleys, upstream end, each according to claim 1 which is smoothly continuous towards the bottom or top Exhaust gas purification filter device. 前記フィルタ導入部における平面視での前記波状板の開口面積は、平面視における前記波状板の合計開口面積の30％以上である請求項１に記載の排ガス浄化フィルタ装置。 2. The exhaust gas purification filter device according to claim 1 , wherein an opening area of the corrugated plate in plan view in the filter introduction portion is 30% or more of a total opening area of the corrugated plate in plan view. 前記フィルタ導入部の合計容積は、前記山部及び前記谷部の全合計容積の50％以上である請求項１に記載の排ガス浄化フィルタ装置。 2. The exhaust gas purification filter device according to claim 1 , wherein a total volume of the filter introduction portion is 50% or more of a total total volume of the peak portion and the valley portion. 前記排ガス流路及び前記フィルタの少なくとも一方には、多孔質酸化物担体に貴金属を担持してなる触媒層が形成されている請求項１に記載の排ガス浄化フィルタ装置。 The exhaust gas purification filter device according to claim 1 , wherein a catalyst layer in which a noble metal is supported on a porous oxide carrier is formed in at least one of the exhaust gas flow path and the filter.
JP2004117189A 2004-04-12 2004-04-12 Exhaust gas purification filter device Expired - Lifetime JP4868713B2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2004117189A JP4868713B2 (en) 2004-04-12 2004-04-12 Exhaust gas purification filter device
RU2006139958/15A RU2343961C2 (en) 2004-04-12 2005-04-12 Device for exhaust gas treatment
DE602005025992T DE602005025992D1 (en) 2004-04-12 2005-04-12 EMISSION CONTROL DEVICE
PCT/JP2005/007377 WO2005099867A1 (en) 2004-04-12 2005-04-12 Exhaust gas purifying apparatus
KR1020067021142A KR100860327B1 (en) 2004-04-12 2005-04-12 Exhaust gas purifying apparatus
ES05730342T ES2358978T3 (en) 2004-04-12 2005-04-12 EXHAUST GAS PURIFICATION DEVICE.
US11/578,041 US7959868B2 (en) 2004-04-12 2005-04-12 Exhaust gas purifying apparatus
EP05730342A EP1735077B1 (en) 2004-04-12 2005-04-12 Exhaust gas purifying apparatus
CN 200580011086 CN100500258C (en) 2004-04-12 2005-04-12 Exhaust gas cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004117189A JP4868713B2 (en) 2004-04-12 2004-04-12 Exhaust gas purification filter device

Publications (3)

Publication Number Publication Date
JP2005296818A JP2005296818A (en) 2005-10-27
JP2005296818A5 true JP2005296818A5 (en) 2007-04-19
JP4868713B2 JP4868713B2 (en) 2012-02-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004117189A Expired - Lifetime JP4868713B2 (en) 2004-04-12 2004-04-12 Exhaust gas purification filter device

Country Status (3)

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JP (1) JP4868713B2 (en)
CN (1) CN100500258C (en)
ES (1) ES2358978T3 (en)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
DE102006026324A1 (en) * 2006-06-02 2007-12-06 Emitec Gesellschaft Für Emissionstechnologie Mbh Bypass filter with improved filter efficiency
CN102046263A (en) * 2008-05-29 2011-05-04 康宁股份有限公司 Partial wall-flow filter and method
KR101706398B1 (en) * 2009-04-22 2017-02-27 바스프 코포레이션 Partial filter substrates containing scr catalysts and emission treatment systems and methods of treating engine exhaust
JP6053363B2 (en) * 2012-07-18 2016-12-27 三菱日立パワーシステムズ株式会社 Catalyst structure
CN103962800A (en) * 2014-04-02 2014-08-06 浙江天泽环境科技有限公司 Manufacturing process of particle collecting structure
CN104675479A (en) * 2015-02-10 2015-06-03 浙江天泽环境科技有限公司 Filter element of semi-closed type isobaric particle trap and using method
CN104696050A (en) * 2015-02-10 2015-06-10 浙江天泽环境科技有限公司 Filter element of full-closed type particle trap and use method
US10883400B2 (en) * 2016-01-21 2021-01-05 Denso Corporation Honeycomb structure and catalyst body
CN105955124A (en) * 2016-05-24 2016-09-21 江苏腾飞环境工程设备有限公司 Waste gas treatment device
CN109395578A (en) * 2018-11-06 2019-03-01 上海工程技术大学 A kind of preparation method of honeycomb gas purification carrier
CN110639289B (en) * 2019-09-30 2022-04-22 山东卓高新材料有限公司 High-efficient deodorant filter core and by its closestool deodorization purifier who makes

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Publication number Priority date Publication date Assignee Title
DE19704147A1 (en) * 1997-02-04 1998-08-06 Emitec Emissionstechnologie Heat-resistant and regenerable filter body with flow paths
DE19924584A1 (en) * 1999-05-28 2000-11-30 Emitec Emissionstechnologie Particle filter made of metal foil
DE19938854C5 (en) * 1999-08-17 2006-12-28 Emitec Gesellschaft Für Emissionstechnologie Mbh Device for reducing the nitrogen oxide content in an exhaust gas of an internal combustion engine
DE20117873U1 (en) * 2001-11-06 2002-02-14 Emitec Emissionstechnologie Open filter body with improved flow properties
US7276295B2 (en) * 2002-01-16 2007-10-02 Overland Mangold Gmbh Metal foil with an embossed structure for use in the purification of exhaust gas and a tool and method for its production

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