公开(公告)号：US12092010B2

公开(公告)日：2024-09-17

申请号：US18232290

申请日：2023-08-09

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jin Hee Lee ,  Iljeong Heo ,  Tae Sun Chang ,  Ji Hoon Park ,  Sang Joon Kim ,  Young Jin Kim

IPC: F01N3/20 ,  B01D53/04 ,  B01D53/30 ,  B01D53/94 ,  F01N3/28

CPC classification number: F01N3/202 ,  B01D53/0438 ,  B01D53/30 ,  B01D53/9431 ,  B01D53/9481 ,  B01D53/9495 ,  F01N3/208 ,  F01N3/2803 ,  B01D2253/108 ,  B01D2257/708 ,  F01N2370/04 ,  F01N2900/1402

Abstract: The present invention relates to a VOC reduction system and a VOC reduction method that applies pulse type thermal energy to a catalyst to activate the catalyst and oxidizes and removes the VOC.

公开(公告)号：US20240287929A1

公开(公告)日：2024-08-29

申请号：US18655109

申请日：2024-05-03

Applicant: Liebherr Machines Bulle SA

Inventor： Bouzid SEBA ,  Ulrich WEISS ,  Pierre GOBIN

IPC: F02B43/12 ,  B01D53/94 ,  F01N3/02 ,  F01N3/20 ,  F01N3/28 ,  F01N3/36 ,  F02B19/10 ,  F02B29/04 ,  F02B43/02 ,  F02G5/02 ,  F02M21/02 ,  F02M21/06 ,  F02M25/00 ,  F02M27/02 ,  F02M31/16 ,  F02M37/00

CPC classification number: F02B43/12 ,  B01D53/9431 ,  F01N3/0205 ,  F01N3/2066 ,  F01N3/2803 ,  F01N3/36 ,  F02B19/10 ,  F02B29/04 ,  F02B43/02 ,  F02G5/02 ,  F02M21/0206 ,  F02M21/0227 ,  F02M21/0287 ,  F02M21/06 ,  F02M25/00 ,  F02M27/02 ,  F02M31/16 ,  F02M37/0064 ,  F02M37/007 ,  F02M37/0076 ,  F01N2610/02 ,  F01N2610/04

Abstract: The disclosure relates to a fuel supply device for supplying a fuel to an internal combustion engine comprising: a fuel store for storing a primary fuel; and at least two parallel fuel supply paths that are connected to the fuel store, on the one hand, and to the internal combustion engine, on the other hand, wherein the primary fuel can be supplied from the fuel store to the internal combustion engine by means of the first fuel supply path for the purpose of combustion, and the second fuel supply path has at least one reforming device that reforms the primary fuel supplied from the fuel tank into a secondary fuel, and to supply at least a portion of the produced secondary fuel to the internal combustion engine for the purpose of combustion.

公开(公告)号：US12053768B2

公开(公告)日：2024-08-06

申请号：US17270125

申请日：2019-07-30

Applicant: BASF CORPORATION

Inventor： Yuejin Li

IPC: B01J37/02 ,  B01J21/12 ,  B01J23/42 ,  B01J29/76 ,  B01J35/00 ,  B01J35/56 ,  F01N3/08 ,  F01N3/20 ,  F01N3/28

CPC classification number: B01J37/0244 ,  B01J21/12 ,  B01J23/42 ,  B01J29/763 ,  B01J35/19 ,  B01J35/56 ,  F01N3/0842 ,  F01N3/2066 ,  F01N3/2803 ,  F01N2510/0682 ,  F01N2510/0684

Abstract: A selective catalytic reduction (SCR) catalyst composition effective in the abatement of nitrogen oxides (NOx) is provided. The SCR catalyst composition significantly increases the conversion of NOx relative to a Cu-chabazite reference catalyst composition at any temperature, and especially at low temperatures. A catalyst article, an exhaust gas treatment system, and a method of treating an exhaust gas stream, each including the SCR catalyst composition of the invention, are also provided. The SCR catalyst composition is particularly useful for treatment of exhaust from a lean-burn engine.

公开(公告)号：US12042789B2

公开(公告)日：2024-07-23

申请号：US18072985

申请日：2022-12-01

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  Korea University Research and Business Foundation

Inventor： Kwan Young Lee ,  Dalyoung Yoon ,  Hyoseong Woo ,  Eun Jun Lee ,  Haney Park ,  Hyun Wook Jung

IPC: B01J21/04 ,  B01D53/94 ,  B01J21/06 ,  B01J21/08 ,  B01J21/10 ,  B01J21/12 ,  B01J21/14 ,  B01J23/42 ,  B01J23/44 ,  B01J23/46 ,  B01J23/56 ,  B01J23/63 ,  B01J35/00 ,  B01J37/02 ,  B01J37/04 ,  B01J37/08 ,  F01N3/10 ,  F01N3/28

CPC classification number: B01J35/19 ,  B01D53/945 ,  B01J21/04 ,  B01J23/44 ,  B01J23/464 ,  B01J37/0205 ,  B01J37/04 ,  B01J37/08 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  F01N3/101 ,  F01N3/2803 ,  F01N2370/02

Abstract: A catalyst for purifying exhaust gas includes a first catalyst including a first metal oxide on which platinum (Pt) and rhodium (Rh) are supported, and a second catalyst including a second metal oxide on which palladium (Pd) and platinum (Pt) are supported, wherein the first catalyst and the second catalyst are physically mixed.

公开(公告)号：US12011705B2

公开(公告)日：2024-06-18

申请号：US17647358

申请日：2022-01-07

Applicant: Johnson Matthey Public Limited Company

Inventor： Kevin Doura

IPC: B01J21/06 ,  B01D53/94 ,  B01J21/12 ,  B01J23/42 ,  B01J23/44 ,  B01J35/04 ,  B01J35/10 ,  B01J35/56 ,  B01J35/61 ,  B01J37/02 ,  B01J37/03 ,  B01J37/04 ,  B01J37/08 ,  F01N3/28

CPC classification number: B01J23/42 ,  B01D53/94 ,  B01J21/063 ,  B01J21/12 ,  B01J35/56 ,  B01J35/613 ,  B01J35/615 ,  B01J37/0213 ,  B01J37/038 ,  B01J37/04 ,  B01J37/082 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/20707 ,  B01D2255/30 ,  B01D2255/9155 ,  F01N3/2842 ,  F01N2370/04

Abstract: The present invention relates to a method of preparing a catalyst article comprising steps: (a) preparing a washcoat composition by combining at least the following components: a support material comprising a mixed oxide, a mixture of oxides or a molecular sieve comprising (i) alumina and (ii) silica and/or zirconia; a metal oxide sol comprising at least one of titania, silica or zirconia; a liquid medium; (b) applying the washcoat composition to a substrate to form a washcoating; and (c) drying and/or calcining the washcoating; wherein the method further comprises a step of impregnating the support material with a platinum group metal component. The prepared catalyst article may be suitable for the treatment of emissions from an internal combustion engine or a gas turbine, for example, the treatment of carbon monoxide and/or formaldehyde emissions from a natural gas fueled internal combustion engine or gas turbine.

公开(公告)号：US20240157340A1

公开(公告)日：2024-05-16

申请号：US18284710

申请日：2022-03-01

Applicant: MITSUI MINING & SMELTING CO., LTD.

Inventor： Hiroki TANAKA ,  Itaru MORITA ,  Yuki NAGAO ,  Yoshinori ENDO

IPC: B01J23/63 ,  B01D53/94 ,  B01J21/04 ,  B01J23/10 ,  B01J35/40 ,  B01J35/61 ,  F01N3/28

CPC classification number: B01J23/63 ,  B01D53/94 ,  B01J21/04 ,  B01J23/10 ,  B01J35/40 ,  B01J35/613 ,  F01N3/2803 ,  B01D2255/1025 ,  B01D2255/407 ,  B01D2255/908 ,  B01D2258/01 ,  F01N2370/02

Abstract: An object of the present invention is to provide an exhaust gas purifying catalyst composition and an exhaust gas purifying catalyst, each of which has improved exhaust gas purification performance, and the present invention provides an exhaust gas purifying catalyst composition containing a Ce-based oxide particle, a Ce—Zr-based composite oxide particle, an Al-based oxide particle, and a noble metal element, wherein an amount of Ce in terms of CeO2 in the Ce-based oxide particle is 90% by mass or more based on a mass of the Ce-based oxide particle, wherein an amount of Ce in terms of CeO2 in the Ce—Zr-based composite oxide particle is 5% by mass or more and 90% by mass or less based on a mass of the Ce—Zr-based composite oxide particle, wherein the Ce-based oxide particle has an average particle size of 0.10 μm or more and 15 μm or less, and wherein an amount of the Ce-based oxide particle in the exhaust gas purifying catalyst composition is 2.0% by mass or more and 30% by mass or less based on a mass of the exhaust gas purifying catalyst composition.

公开(公告)号：US20240149252A1

公开(公告)日：2024-05-09

申请号：US18284714

申请日：2022-03-01

Applicant: MITSUI MINING & SMELTING CO., LTD.

Inventor： Itaru MORITA ,  Hiroki TANAKA ,  Yuki NAGAO ,  Yoshinori ENDO

IPC: B01J23/63 ,  B01D53/94 ,  B01J23/00 ,  B01J35/30 ,  B01J35/40 ,  B01J35/61 ,  F01N3/28

CPC classification number: B01J23/63 ,  B01D53/94 ,  B01J23/002 ,  B01J35/394 ,  B01J35/40 ,  B01J35/613 ,  F01N3/2803 ,  B01D2255/1021 ,  B01D2255/407 ,  B01D2255/908 ,  B01D2258/01 ,  B01J2523/22 ,  B01J2523/31 ,  B01J2523/36 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3718 ,  B01J2523/3725 ,  B01J2523/48 ,  F01N2370/02

Abstract: An object of the present invention is to provide an exhaust gas purifying catalyst composition and an exhaust gas purifying catalyst, each of which has improved exhaust gas purification performance, and the present invention provides an exhaust gas purifying catalyst composition containing a Ce-based oxide particle, a Ce—Zr-based composite oxide particle, and a noble metal element, wherein the Ce-based oxide particle contains at least one type of additional element selected from Al, Mg, La, Pr, Y, and Nd, and wherein an amount of the at least one type of additional element in terms of oxide in the Ce-based oxide particle is 0.1% by mass or more and 20% by mass or less based on a mass of the Ce-based oxide particle.

公开(公告)号：US20240110499A1

公开(公告)日：2024-04-04

申请号：US18530012

申请日：2023-12-05

Applicant: Cummins Emission Solutions Inc.

Inventor： Anand Srinivasan ,  John K. Heichelbech

IPC: F01N3/28 ,  B01D53/94 ,  B01J19/00 ,  B01J23/745 ,  B01J29/072 ,  F01N3/021 ,  F01N3/10 ,  F01N3/20 ,  F01N9/00 ,  F01N13/00 ,  G05D7/06

CPC classification number: F01N3/2892 ,  B01D53/9418 ,  B01D53/9436 ,  B01D53/944 ,  B01D53/9477 ,  B01D53/9495 ,  B01J19/0033 ,  B01J23/745 ,  B01J29/072 ,  F01N3/021 ,  F01N3/106 ,  F01N3/2006 ,  F01N3/2066 ,  F01N3/2803 ,  F01N9/00 ,  F01N13/011 ,  G05D7/0635 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/904 ,  B01D2255/915 ,  F01N2370/04 ,  F01N2610/1453

Abstract: An aftertreatment system includes: a first exhaust gas path comprising a heater; a second exhaust gas path comprising a first decomposition chamber configured to receive reductant and a first selective catalytic reduction catalyst downstream of the first decomposition chamber; a combined exhaust gas path downstream of the first exhaust gas path and the second exhaust gas path, the combined exhaust gas path configured to receive exhaust gas from both the first exhaust gas path and the second exhaust gas path; a selector valve configured to divert the exhaust gas between the first exhaust gas path and the second exhaust gas path based on a temperature of the exhaust gas; and a controller programmed to control the selector valve.

公开(公告)号：US20240102410A1

公开(公告)日：2024-03-28

申请号：US18002878

申请日：2022-01-25

Applicant: JOHNSON MATTHEY (SHANGHAI) CHEMICAL LIMITED

Inventor： Wenjie DONG ,  Hongyu JI ,  Dongsheng QIAO ,  Zhou SHANG ,  Guangyong XIONG

IPC: F01N3/28 ,  B01D53/94 ,  F01N3/035

CPC classification number: F01N3/2803 ,  B01D53/94 ,  F01N3/035 ,  B01D2255/1021 ,  B01D2255/1025 ,  B01D2255/908 ,  B01D2255/915 ,  B01D2258/01 ,  F01N2330/04

Abstract: A method for the manufacture of a Gasoline Particulate Filter is disclosed. The method comprises forming a washcoat slurry, coating a wall-flow filter substrate with the washcoat slurry to form a washcoated substrate, and calcining the washcoated substrate to form a Gasoline Particulate Filter. The washcoat slurry comprises a platinum group metal component consisting of Pt and Rh, an oxygen storage capacity material, and a carboxylate ion.

公开(公告)号：US11904300B2

公开(公告)日：2024-02-20

申请号：US17649958

申请日：2022-02-04

Applicant: NGK INSULATORS, LTD.

Inventor： Shinji Suzuki ,  Kyohei Atsuji ,  Takahiro Tomita

IPC: B01J27/224 ,  B01J35/04 ,  B01J37/00 ,  B01J37/08 ,  B01J37/12 ,  B01J35/02 ,  B01J23/755 ,  B01J21/08 ,  B01J37/02 ,  F01N3/20 ,  F01N3/28 ,  B01D53/94 ,  B28B3/20 ,  B28B11/24

CPC classification number: B01J27/224 ,  B01D53/94 ,  B01J21/08 ,  B01J23/755 ,  B01J35/023 ,  B01J35/04 ,  B01J37/0009 ,  B01J37/0221 ,  B01J37/08 ,  B01J37/12 ,  F01N3/2026 ,  F01N3/2803 ,  B01D2255/9155 ,  B28B11/243 ,  B28B2003/203

Abstract: A silicon carbide porous body contains β-SiC particles, Si particles, and metal silicide particles. The maximum particle diameter of the β-SIC particles is not smaller than 15 μm. The content of the Si particles is not lower than 10 mass %. The maximum particle diameter of the Si particles is not larger than 40 μm. Further, an oxide coating film having a thickness not smaller than 0.01 μm and not larger than 5 μm is provided on surfaces of the Si particles.