公开(公告)号：US12106864B2

公开(公告)日：2024-10-01

申请号：US17154999

申请日：2021-01-21

申请人： Global Nuclear Fuel-Americas, LLC

发明人： Brandon P. Smith ,  Carlton W. Clark ,  Richard C. Longren ,  Gerald M. Latter

IPC分类号： G21C3/32 ,  G21C19/307 ,  B01D39/10 ,  B01D39/12 ,  B01D46/24 ,  G21C3/33

CPC分类号： G21C3/3206 ,  G21C19/307 ,  B01D39/10 ,  B01D39/12 ,  B01D46/247 ,  B01D46/249 ,  G21C3/3305

摘要： Debris filters fit in fuel assembly lower tie plates and filter fluids passing therethrough. Filters use a series of adjacent plates with aligned peaks and valleys to create several channels. The plates have small excisions in diamond, triangle, or other debris-catching shapes, such as near a lower portion of the filter where fluid enters the filter. Excisions may alternate around each channel, such as four alternating cut-outs in 90-degree intervals about a channel circumference. Excisions may be sized to entrap smaller debris common in reactor coolant flow and liable for fretting damage to fuel cladding. Multiple vertical stages can be used in filters, with different channels for each stage. Ligaments may hold each stage to the next, potentially with a gap between stages for intermixing. Plates, peaks, valleys, ligaments, and excisions may all be formed in a single stamping operation to eliminate excess or overlapping pieces or extensions.

公开(公告)号：US11878263B2

公开(公告)日：2024-01-23

申请号：US17487111

申请日：2021-09-28

申请人： DENSO CORPORATION

发明人： Keisuke Mizutani ,  Kazuhiko Koike ,  Mikio Ishihara

IPC分类号： B01D46/24 ,  F01N3/022

CPC分类号： B01D46/2429 ,  B01D46/249 ,  B01D46/24492 ,  F01N3/022 ,  B01D2279/30 ,  F01N2330/06 ,  F01N2330/32

摘要： An exhaust gas purification filter is configured to he disposed in an exhaust passage in a gasoline engine. The exhaust gas purification filter includes partition walls including a plurality of pores, a plurality of cells partitioned by the partition walls, and sealing portions alternately sealing ends of a plurality of the cells in the exhaust gas purification filter. The partition walls each have an average pore diameter of more than 16 μm and less than 21 μm, and have a ratio of an average surface opening diameter of the pores in a partition wall surface to the average pore diameter of the partition wall of 0.66 or more and 0.94 or less.

公开(公告)号：US20230356131A1

公开(公告)日：2023-11-09

申请号：US18068741

申请日：2022-12-20

申请人： NGK Insulators, Ltd.

发明人： Yudai KURIMOTO ,  Fumihiko YOSHIOKA

IPC分类号： B01D46/24 ,  C04B38/00

CPC分类号： B01D46/2429 ,  B01D46/24491 ,  B01D46/24492 ,  B01D46/2474 ,  B01D46/2482 ,  B01D46/2484 ,  B01D46/249 ,  B01D46/2498 ,  C04B38/0009 ,  C04B38/0012 ,  B01D2279/30

摘要： A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein a thickness of the partition wall is 0.257 mm or less, a porosity of the partition wall is 52 to 57%, an average pore diameter of the partition wall is 6 to 13 µm, a number per unit area of pores which exist at a surface of the partition wall and which have equivalent circle opening diameters exceeding 3 µm is 800 to 1500 /mm2, an average equivalent circle opening diameter of pores which exist at a surface of the partition wall and which have equivalent circle opening diameters exceeding 3 µm is 8.0 to 12.0 µm, and in a pore diameter distribution of the partition wall,

D10 is 2.0 to 5.5 µm,
D90 is 13.0 to 25.5 µm, and
(Log(D90)-Log(D10))/Log(D50) is 0.84 or less.

公开(公告)号：US20230338885A1

公开(公告)日：2023-10-26

申请号：US18177248

申请日：2023-03-02

申请人： NGK Insulators, Ltd.

发明人： Fumihiko YOSHIOKA ,  Yudai KURIMOTO ,  Yasuyuki FURUTA ,  Ritsuko TERANISHI ,  Ayaka SAKAI ,  Tatsuya OHASHI

IPC分类号： B01D46/24

CPC分类号： B01D46/2498 ,  B01D46/2429 ,  B01D46/24491 ,  B01D46/247 ,  B01D46/2474 ,  B01D46/2482 ,  B01D46/2484 ,  B01D46/249 ,  B01D46/2494 ,  B01D2279/30

摘要： A honeycomb filter comprising a pillar-shaped honeycomb structure body having a porous partition wall and a plugging portion, wherein, in a pore diameter distribution of the partition wall, in the case where the pore diameter (µm) whose cumulative pore volume is 10% of the total pore volume is denoted by D10, the pore diameter (µm) whose cumulative pore volume is 50% of the total pore volume is denoted by D50, and the pore diameter (µm) whose cumulative pore volume is 90% of the total pore volume is denoted by D90, all of the following equations (1) to (6) are satisfied.







3.9
μ
​
m

公开(公告)号：US11975285B2

公开(公告)日：2024-05-07

申请号：US17293694

申请日：2019-11-01

申请人： CORNING INCORPORATED

发明人： Natarajan Gunasekaran ,  David Robert Heine ,  Weidong Li ,  Craig Louis Stratton ,  Neng Wang

IPC分类号： B01D46/24

CPC分类号： B01D46/249 ,  B01D46/247 ,  B01D46/2484 ,  B01D46/2486

摘要： A honeycomb body having a repeating channel structure formed of intersecting porous walls. The repeating channel structure comprises a first channel type defined by at least four first surfaces, at least two of the at least four first surfaces are parallel to one another; and a second channel type having at least four second surfaces, wherein four or more of the at least four second surfaces are non-parallel with one another. Repeating channel structure is repeated in the honeycomb body. Honeycomb extrusion dies and methods of manufacturing the honeycomb body are provided, as are other embodiments.

公开(公告)号：US11911752B2

公开(公告)日：2024-02-27

申请号：US17057792

申请日：2019-05-16

申请人： Vitesco Technologies GmbH

发明人： Christoph Pabst ,  Peter Hirth ,  Ferdi Kurth ,  Michael Voit ,  Sven Schepers

IPC分类号： B01J35/04 ,  B01D53/94 ,  B23K1/00 ,  F01N3/28 ,  B01D46/24 ,  B23K101/02

CPC分类号： B01J35/04 ,  B01D46/248 ,  B01D46/249 ,  B01D46/2455 ,  B01D46/2474 ,  B01D53/94 ,  B23K1/0014 ,  F01N3/281 ,  B01D2255/9155 ,  B23K2101/02 ,  F01N2330/02 ,  F01N2330/30

摘要： A honeycomb body for exhaust gas aftertreatment includes a plurality of interconnected metal foils stacked on one another. The honeycomb body has a central first flow channel running in the axial direction of the honeycomb body, as an inflow section, and has a plurality of second flow channels between in each case two mutually adjacent metal foils. The first flow channel is in fluid communication with the second flow channels. The second flow channels formed between two mutually adjacent metal foils run in a straight line and parallel to one another along a radial direction of the honeycomb body.

公开(公告)号：US20230405505A1

公开(公告)日：2023-12-21

申请号：US18333667

申请日：2023-06-13

申请人： NGK INSULATORS, LTD.

发明人： Tadato ITO ,  Sho INOTSUME

IPC分类号： B01D46/24

CPC分类号： B01D46/2459 ,  B01D46/2484 ,  B01D46/244 ,  B01D46/24491 ,  B01D46/249

摘要： A honeycomb filter comprising a pillar-shaped honeycomb structure having a porous partition wall disposed so as to surround a plurality of cells which serve as a fluid through channel extending from an inflow end face to an outflow end face and a porous plugging portion provided at either an end on the inflow end face side or an end on the outflow end face side of the cell, wherein in a processed image obtained by binarizing an electron microscope image of a visual field area of 480 μm×640 μm of the plugging portion, the plugging portion is composed of a plurality of particles, and the number of the particles having an area of 0.25 μm2 or more is 1000 or more and 3500 or less.

公开(公告)号：US20230311049A1

公开(公告)日：2023-10-05

申请号：US18165494

申请日：2023-02-07

申请人： NGK Insulators, Ltd.

发明人： Fumihiko YOSHIOKA ,  Yudai KURIMOTO

IPC分类号： B01D46/24

CPC分类号： B01D46/2484 ,  B01D46/2494 ,  B01D46/2459 ,  B01D46/2482 ,  B01D46/2474 ,  B01D46/249 ,  B01D46/24491 ,  B01D2279/30

摘要： A honeycomb filter includes a honeycomb structure body that has porous partition walls disposed so as to surround cells, and plugging portions that are disposed at any one of the ends on the inflow end face and the ends on the outflow end face. A cross-sectional shape of each of the inflow cells is octagonal and a cross-sectional shape of each of the outflow cells is quadrangular. An area ratio (S1/S2) of a cross-sectional area S2 of each of the outflow cells to a cross-sectional area S1 of each of the inflow cells is 1.40 to 2.20. The plugging portions have convex portions that protrude from the end faces on which the plugging portions are disposed, toward the outer sides, and have a protruding height H of 0.3 to 3.0 mm, and the plugging portions have a plugging depth L of 4.0 to 9.0 mm.

公开(公告)号：US11753976B2

公开(公告)日：2023-09-12

申请号：US17281214

申请日：2019-10-08

申请人： DALIAN UNIVERSITY OF TECHNOLOGY

发明人： Wuqiang Long ,  Ge Xiao ,  Hua Tian ,  Jingchen Cui

IPC分类号： F01N3/022 ,  B01D46/24 ,  F01N3/02

CPC分类号： F01N3/022 ,  B01D46/247 ,  B01D46/249 ,  B01D46/2486 ,  B01D46/2488 ,  B01D46/2492 ,  F01N3/0222 ,  B01D2279/30 ,  F01N2330/34

摘要： A particulate trap filter body has asymmetrical channels. The cross-sectional shape of the asymmetrical channel structure includes a combination of hexagonal, square and triangular shapes. The hexagonal channel and the triangular channel act as inlet channel, and the square channel acts as outlet channel. Compared with the traditional symmetrical filter body structure, the inlet channel volume and filter body wall area can be effectively increased by more than 30%, which means that with capturing the same amount of particles, the particle cake layer formed on the wall surface is thinner. The limiting carbon load of the new channel structure is increased by more than 30%, having a very positive effect on reducing the regeneration frequency and prolonging the service life of the trap.

公开(公告)号：US20240325956A1

公开(公告)日：2024-10-03

申请号：US18581618

申请日：2024-02-20

申请人： NGK INSULATORS, LTD.

发明人： Sachiko MASUDA

IPC分类号： B01D46/24 ,  B01D53/94 ,  B01J21/04 ,  B01J35/57

CPC分类号： B01D46/2474 ,  B01D46/2429 ,  B01D46/24491 ,  B01D46/24492 ,  B01D46/2482 ,  B01D46/2484 ,  B01D46/249 ,  B01D53/94 ,  B01J21/04 ,  B01J35/57 ,  B01D2255/2092 ,  B01D2255/9155 ,  B01D2258/01 ,  B01D2279/30

摘要： A honeycomb filter includes a pillar-shaped honeycomb structure having a porous partition wall disposed so as to surround a plurality of cells which serve as a fluid through channel extending from a first end face to a second end face; and a plugging portion provided at either an end on the first end face side or the second end face side of the cell; wherein a thickness of the partition wall is 203 to 254 μm, a porosity of the partition wall measured by the mercury press-in method is 55 to 70%, an average pore diameter of the partition wall measured by the mercury press-in method is 20 to 25 μm, and the partition wall has an average base material neck diameter of 11 to 18 μm for a base material neck part in which an actual part of a porous base material constituting the partition wall is locally narrowed.