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公开(公告)号：US11280237B2
公开(公告)日：2022-03-22
申请号：US16356239
申请日：2019-03-18
Applicant: NGK Insulators, Ltd. , Honda Motor Co., Ltd.
Inventor： Fumihiko Yoshioka , Yoshiaki Hatakeyama , Noritaka Masumitsu
Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the outflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 35% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
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公开(公告)号：US20210172363A1
公开(公告)日：2021-06-10
申请号：US16071173
申请日：2017-02-03
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama
IPC: F01N3/28
Abstract: A catalytic converter (11) for exhaust gas purification is formed by disposing a retaining mat (14) between an inner peripheral face of a metal shell (12) and an outer peripheral face of a catalyst support (13), and retaining the catalyst support (13) in an interior of the metal shell (12) by the retaining mat (14). Since a thickness of the retaining mat (14) in a released state after being heated by exhaust gas is 210% or greater of a clearance (α) between the inner peripheral face of the metal shell (12) and the outer peripheral face of the catalyst support (13), it is possible to reliably retain the catalyst support (13) over a long period of time by compensating for a decrease in surface pressure due to deterioration of the retaining mat (14) with an increase in the surface pressure due to sufficient expansion of the retaining mat (14). Moreover, since it is unnecessary to strongly compress the retaining mat (14) when assembling so as to enhance the surface pressure, there is no possibility that the catalyst support (13) will be damaged by excessive surface pressure.
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公开(公告)号：US11280236B2
公开(公告)日：2022-03-22
申请号：US16356204
申请日：2019-03-18
Applicant: NGK Insulators, Ltd. , Honda Motor Co., Ltd.
Inventor： Fumihiko Yoshioka , Yoshiaki Hatakeyama , Noritaka Masumitsu
Abstract: A honeycomb filter, including: a honeycomb structure, wherein the honeycomb structure includes a platinum group element-containing catalyst layer, the platinum group element-containing catalyst layer is disposed only on a side of an inner surface of the partition walls surrounding the inflow cells, and the platinum group element-containing catalyst layer is disposed in a range of at least up to 40% with respect to an overall length of the cells starting from the outflow end face and is not disposed in a range of at least up to 30% with respect to the overall length of the cells starting from the inflow end face, in an extending direction of the cells of the honeycomb structure.
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公开(公告)号：US10315193B2
公开(公告)日：2019-06-11
申请号：US15662355
申请日：2017-07-28
Applicant: NGK INSULATORS, LTD. , HONDA MOTOR CO., LTD.
Inventor： Takashi Aoki , Norihiro Wakida , Yoshiaki Hatakeyama
IPC: B01J35/04 , B01D39/20 , C04B35/195 , C04B38/00 , C04B38/06 , F01N3/022 , B01D46/24 , B01D53/94 , B01J23/745 , B01J37/00 , B01J37/08 , F01N3/28 , B01J35/10 , C04B111/00 , C04B111/20
Abstract: A honeycomb structure includes a pillar-shaped honeycomb structure body including porous partition walls defining and forming a plurality of cells which extend from an inflow end face to an outflow end face, and a porous outer wall surrounding the partition walls, a porous supporting bulge disposed to extend out from a circumference of the outer wall so that at least a part of the outer wall is exposed, and plugging portions arranged in open ends of the cells, and the supporting bulge has support portions and a side wall portion, and the partition walls and the outer wall of the honeycomb structure body and the support portions and the side wall portion of the supporting bulge are all formed monolithically by formation of a ceramic raw material.
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公开(公告)号：US20190120105A1
公开(公告)日：2019-04-25
申请号：US16166469
申请日：2018-10-22
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama , Hiroki Yokoyama
CPC classification number: F01N3/0222 , B01D46/2422 , B01D46/2429 , B01J35/04 , F01N3/021 , F01N3/035 , F01N3/101 , F01N3/2828 , F01N3/2853 , F01N3/2867 , F01N3/2875 , F01N3/2878 , F01N2330/06 , F01N2330/30
Abstract: An exhaust purifying device provided in an exhaust passage of an internal combustion engine comprises: a column-shaped honeycomb carrier; a cylindrical case member adapted to house the honeycomb carrier; a holding member provided between the honeycomb carrier and the case member to surround the outer circumference of the honeycomb carrier; buffer members provided on a peripheral edge of the edge surface of at least one side of an inflow side edge surface and an outflow side edge surface of the honeycomb carrier so as to regulate the movement of the honeycomb carrier in the central axis X direction; and setting members secured to the case member to regulate the movement of the buffer members by allowing their position regulation parts to contact the buffer members; wherein the buffer members are provided, on the outer circumferential sides, with recesses into which the position regulation parts of the setting members are fitted.
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公开(公告)号：US10385745B2
公开(公告)日：2019-08-20
申请号：US16166469
申请日：2018-10-22
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama , Hiroki Yokoyama
Abstract: An exhaust purifying device provided in an exhaust passage of an internal combustion engine comprises: a column-shaped honeycomb carrier; a cylindrical case member adapted to house the honeycomb carrier; a holding member provided between the honeycomb carrier and the case member to surround the outer circumference of the honeycomb carrier; buffer members provided on a peripheral edge of the edge surface of at least one side of an inflow side edge surface and an outflow side edge surface of the honeycomb carrier so as to regulate the movement of the honeycomb carrier in the central axis X direction; and setting members secured to the case member to regulate the movement of the buffer members by allowing their position regulation parts to contact the buffer members; wherein the buffer members are provided, on the outer circumferential sides, with recesses into which the position regulation parts of the setting members are fitted.
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7.发明授权
公开(公告)号：US10145280B2
公开(公告)日：2018-12-04
申请号：US15532624
申请日：2015-11-11
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama
Abstract: An exhaust gas purifying device includes: a columnar honeycomb carrier in which a plurality of cells which extend from an exhaust gas inflow side to an outflow side, and which serve as exhaust gas flow paths, are demarcated and formed by means of porous separating walls, a three-way catalyst supported in the honeycomb carrier, and a cylindrical case member in which the honeycomb carrier is housed, with the interposition of a retaining member. The honeycomb carrier includes outer circumferential plugging portions formed in such a way as to plug, to a prescribed depth, openings of cells in an outer circumferential portion of at least one end surface of the two end surfaces, in the central axis X-direction, of the honeycomb carrier, and inclined portions formed in a direction whereby the length, in the central axis X-direction, of the outer circumferential plugging portions decreases toward the outer circumferential edge.
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8.发明申请
公开(公告)号：US20180003094A1
公开(公告)日：2018-01-04
申请号：US15532624
申请日：2015-11-11
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama
CPC classification number: F01N3/0222 , B01D46/2422 , B01D46/2455 , B01D46/2459 , B01D53/9454 , B01D2255/905 , B01D2255/9155 , B01D2258/012 , B01D2265/06 , B01D2279/30 , B01J35/04 , F01N3/022 , F01N3/035 , F01N3/28 , F01N2330/32 , F01N2330/48
Abstract: Provided is an exhaust gas purifying device of an internal-combustion engine, and a method of manufacturing the same, with which it is possible for a honeycomb carrier to be held securely within a case member using a low-cost, simple structure. The exhaust gas purifying device is provided with: a columnar honeycomb carrier 11 in which a plurality of cells which extend from an exhaust gas inflow side to an outflow side, and which serve as exhaust gas flow paths, are demarcated and famed by means of porous separating walls; a three-way catalyst supported in the honeycomb carrier 11; and a cylindrical case member 12 in which the honeycomb carrier 11 is housed, with the interposition of a retaining member 13. The honeycomb carrier 11 is provided with outer circumferential plugging portions 111a and 111b formed in such a way as to plug, to a prescribed depth, openings Ca and Cb of cells in an outer circumferential portion P of at least one end surface of the two end surfaces, in the central axis X-direction, of the honeycomb carrier 11; and inclined portions 112a and 112b formed in a direction whereby the length, in the central axis X-direction, of the outer circumferential plugging portions 111a and 111b decreases toward the outer circumferential edge. Further, the inclined portions 112a and 112b catch on the inner walls of the case member 12, with the interposition of the retaining member 13, thereby retaining the honeycomb carrier 11 in the case member 12.
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公开(公告)号：US10450913B2
公开(公告)日：2019-10-22
申请号：US16128694
申请日：2018-09-12
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama
Abstract: An exhaust gas purifying device includes: a columnar honeycomb carrier provided in an exhaust channel; a tubular case member housing the honeycomb carrier; and a retaining member surrounding the outer circumference of the honeycomb carrier. The honeycomb carrier has, in the outer circumferential edge of an inlet-side end face and an outlet-side end face, respectively, sloped surfaces sloped toward a direction in which the length in the center axis direction of the honeycomb carrier decreases. Of the retaining member, ends in the center axis direction of the honeycomb carrier extend to the sloped surfaces of the honeycomb carrier, and the ends have tapered parts which are longer in the center axis direction of the honeycomb carrier on the side facing the case member than on the side facing the honeycomb carrier.
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公开(公告)号：US20190078477A1
公开(公告)日：2019-03-14
申请号：US16128694
申请日：2018-09-12
Applicant: HONDA MOTOR CO., LTD.
Inventor： Yoshiaki Hatakeyama
CPC classification number: F01N3/0211 , B01D46/0027 , B01D46/2422 , B01D46/2455 , B01D53/945 , B01D53/9454 , B01D2255/915 , B01D2255/9155 , B01D2265/04 , B01D2279/30 , B01J35/04 , F01N3/0222 , F01N3/035 , F01N2330/06 , F01N2330/30 , F01N2510/06
Abstract: An exhaust gas purifying device includes: a columnar honeycomb carrier provided in an exhaust channel; a tubular case member housing the honeycomb carrier; and a retaining member surrounding the outer circumference of the honeycomb carrier. The honeycomb carrier has, in the outer circumferential edge of an inlet-side end face and an outlet-side end face, respectively, sloped surfaces sloped toward a direction in which the length in the center axis direction of the honeycomb carrier decreases. Of the retaining member, ends in the center axis direction of the honeycomb carrier extend to the sloped surfaces of the honeycomb carrier, and the ends have tapered parts which are longer in the center axis direction of the honeycomb carrier on the side facing the case member than on the side facing the honeycomb carrier.
