公开(公告)号：US20200263587A1

公开(公告)日：2020-08-20

申请号：US16647004

申请日：2018-09-11

Applicant: CATALER CORPORATION ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yasutaka NOMURA ,  Satoru INODA ,  Naoto MIYOSHI ,  Akemi SATO

IPC: F01N3/28 ,  F01N3/035

Abstract: An exhaust gas purification including: a base of wall flow structure having inlet side cells wherein an end on the exhaust gas inflow side is open and outlet side cells wherein an end on the exhaust gas outflow side is open, and a porous partition wall that partitions the side cells; and first and second catalyst layers disposed in the interior of the porous partition wall so as to be in contact with the side cells, wherein either of the catalyst layers contains an oxidation catalyst but does not contain a reduction catalyst, and the other contains the reduction catalyst but does not contain the oxidation catalyst; and a ratio of the lengths of the catalyst layers differs between a surface of the porous partition wall on the side in contact with the inlet side cells and a surface on the side in contact with the outlet side cells.

公开(公告)号：US20180021767A1

公开(公告)日：2018-01-25

申请号：US15550252

申请日：2016-02-16

Applicant: CATALER CORPORATION

Inventor： Ryota ONOE ,  Shingo SAKAGAMI ,  Yasutaka NOMURA ,  Yuta MORISHITA ,  Junji KURIYAMA ,  Hiroshi SEKINE

IPC: B01J35/00 ,  B01J23/63 ,  B01J35/04 ,  B01D53/94

CPC classification number: B01J35/0006 ,  B01D53/94 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/9022 ,  B01D2255/9155 ,  B01J23/63 ,  B01J35/04 ,  B01J37/02 ,  F01N3/035 ,  F01N3/10 ,  F01N3/24 ,  F01N3/28 ,  F01N13/08 ,  F01N2250/02 ,  F01N2260/06 ,  F01N2370/02 ,  F01N2510/068 ,  F01N2510/0682 ,  F01N2510/0684

Abstract: An exhaust gas purification catalyst capable of stably maintaining and exhibiting excellent catalytic performance includes a wall-flow-type substrate, a first catalytic layer and a second catalytic layer. The first catalytic layer is provided to an internal portion of a partition wall in contact with an entrance cell. The second catalytic layer is provided to an internal portion of a partition wall in contact with an exit cell. The ratio (D2/D1) of the coating density D2 of the second catalytic layer to the coating density D1 of the first catalytic layer is 1.01 to 1.4.

公开(公告)号：US20200276567A1

公开(公告)日：2020-09-03

申请号：US16479853

申请日：2018-02-15

Applicant: CATALER CORPORATION

Inventor： Ryota ONOE ,  Yasutaka NOMURA ,  Satoru INODA

IPC: B01J35/00 ,  B01J23/44 ,  B01J23/46 ,  B01J35/04 ,  B01D53/94 ,  F01N3/28 ,  F01N3/10

Abstract: Provided is an exhaust gas purification catalyst that allows enhancing purification performance on exhaust gas. The exhaust gas purification catalyst according to the present invention has a substrate 10 of wall flow structure having a porous partition wall 16 which partitions inlet cells 12 and outlet cells 14, a first catalyst layer 20 formed on the surface of the partition wall 16, on the side facing the inlet cells 12, and a second catalyst layer 30 formed in the interior of the partition wall 16, at least in a region facing the outlet cells 14.

公开(公告)号：US20170095798A1

公开(公告)日：2017-04-06

申请号：US15285635

申请日：2016-10-05

Applicant: CATALER CORPORATION

Inventor： Ryota ONOE ,  Yasutaka NOMURA ,  Yuta MORISHITA ,  Junji KURIYAMA ,  Hiroshi SEKINE

IPC: B01J23/63 ,  B01J35/10 ,  B01J35/04 ,  B01D53/94 ,  B01D46/24

CPC classification number: B01J23/63 ,  B01D46/2429 ,  B01D53/94 ,  B01D2046/2437 ,  B01D2255/1021 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/407 ,  B01D2255/915 ,  B01D2255/9155 ,  B01D2255/9202 ,  B01J35/04 ,  B01J35/1052 ,  F01N3/035 ,  F01N3/101 ,  F01N13/0097 ,  F01N2330/48 ,  Y02T10/22

Abstract: The exhaust gas purification device includes: a substrate of wall flow structure having inlet cells, outlet cells and a porous partition wall; and a catalyst layer provided in at least part of internal pores of the partition wall and held on the surface of the internal pores. The relationship between an average filling factor A of the catalyst layer held in pores having a pore diameter of 5 μm to less than 10 μm, an average filling factor B of the catalyst layer held in pores having a pore diameter of 10 μm to less than 20 μm and an average filling factor C of the catalyst layer held in pores having a pore diameter of 20 μm to less than 30 μm, among the internal pores of the partition wall 16 in which the catalyst layer is held, satisfies the following expression: A

公开(公告)号：US20200011221A1

公开(公告)日：2020-01-09

申请号：US16490985

申请日：2018-03-16

Applicant: CATALER CORPORATION

Inventor： Haruka MAKINO ,  Yasutaka NOMURA ,  Satoru INODA ,  Sho HOSHINO ,  Ryota ONOE

IPC: F01N3/035 ,  F01N3/022 ,  F01N3/28

Abstract: An exhaust gas cleaning catalyst that has: a substrate having a wall flow structure, wherein an entry side cell, in which the end part on an exhaust gas inflow side is open, and an exit side cell, in which the end part on the exhaust gas outflow side is open, are divided by a porous dividing wall; and a first catalyst layer that includes a metal catalyst and is disposed within the dividing wall so as to be in contact with the exit side cell and not in contact with the entry side cell, and no catalyst layer is provided in the region in contact with the entry side cell.

公开(公告)号：US20180028972A1

公开(公告)日：2018-02-01

申请号：US15550070

申请日：2016-02-16

Applicant: CATALER CORPORATION ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Ichiro KITAMURA ,  Keiichi NARITA ,  Yasutaka NOMURA ,  Ryota ONOE ,  Yuta MORISHITA ,  Junji KURIYAMA ,  Hiroshi SEKINE ,  Akihito INOUE ,  Daisuke OCHIAI ,  Jun SAWADA ,  Naoto MIYOSHI ,  Masahiko TAKEUCHI ,  Akemi SATO ,  Atsushi TANAKA

IPC: B01D53/94 ,  B01J35/04 ,  B01J37/02 ,  B01J23/63

CPC classification number: B01D53/94 ,  B01J23/63 ,  B01J35/04 ,  B01J37/02

Abstract: Provided is an exhaust gas purification catalyst that combines reduction of pressure loss and enhancement of purification performance. This invention provides an exhaust gas purification catalyst comprising a wall-flow-type substrate and first and second catalytic layers. The first catalytic layer is provided to the interior of a partition wall, in contact with an entrance cell, from an exhaust inlet-side end in the running direction, having a length L1 less than Lw. The second catalytic layer is provided to the interior of a partition wall, in contact with an exit cell, from an exhaust outlet-side end in the running direction, having a length L2 less than Lw. An internal portion of partition wall in contact with entrance cell has a substrate-exposing segment near the exhaust outlet-side end.

公开(公告)号：US20170122176A1

公开(公告)日：2017-05-04

申请号：US15333769

申请日：2016-10-25

Applicant: CATALER CORPORATION

Inventor： Yasutaka NOMURA ,  Shingo SAKAGAMI ,  Ryota ONOE ,  Yuta MORISHITA ,  Junji KURIYAMA ,  Hiroshi SEKINE

IPC: F01N3/28 ,  B01D46/24 ,  B01J35/04 ,  B01J23/10 ,  B01J35/00 ,  B01D53/94 ,  B01J23/46

CPC classification number: F01N3/2842 ,  B01D46/2474 ,  B01D53/94 ,  B01D53/944 ,  B01D2255/1025 ,  B01D2255/2065 ,  B01D2255/407 ,  B01D2255/908 ,  B01D2255/9155 ,  B01D2258/014 ,  B01J23/10 ,  B01J23/462 ,  B01J23/464 ,  B01J23/63 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/04 ,  F01N3/035 ,  F01N3/101 ,  F01N3/2828 ,  F01N2250/02 ,  F01N2330/06 ,  Y02T10/22

Abstract: The exhaust gas purification device according to the present invention includes a substrate of wall flow structure having a porous partition wall 16, and a catalyst layer held in internal pores of the partition wall 16. The catalyst layer contains, as a carrier, an OSC material having oxygen storage capacity. In the thickness direction of the partition wall 16, the porosity of the internal pores in inlet regions 16a is 25% or higher, and an average occupation ratio of the catalyst layer held in the internal pores is 75% or lower.

公开(公告)号：US20210033009A1

公开(公告)日：2021-02-04

申请号：US16903473

申请日：2020-06-17

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  CATALER CORPORATION

Inventor： Koji SUGIURA ,  Hiromasa NISHIOKA ,  Naoto MIYOSHI ,  Akemi SATO ,  Masatoshi IKEBE ,  Ryota NAKASHIMA ,  Yasutaka NOMURA ,  Hirotaka ORI

IPC: F01N3/022 ,  F01N3/10 ,  F01N13/18 ,  F01N3/28

Abstract: An exhaust gas control apparatus includes: a honeycomb substrate including an inflow cell and an outflow cell adjacent to each other with a partition wall sandwiched between the inflow cell and the outflow cell; a first sealing part provided at an outflow side end of the inflow cell, and a second sealing part provided at an inflow side end of the outflow cell; and a catalyst layer provided on the partition wall, and at least one of the first sealing part and the second sealing part is an OSC material-containing sealing part containing an OSC material and a sealant, and a concentration of the OSC material in the OSC material-containing sealing part is uniform in an extending direction.

公开(公告)号：US20200276568A1

公开(公告)日：2020-09-03

申请号：US16649453

申请日：2018-10-12

Applicant: CATALER CORPORATION ,  TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Haruka MAKINO ,  Yasutaka NOMURA ,  Satoru INODA ,  Kenji NAKAJIMA ,  Naoto MIYOSHI ,  Takeru YOSHIDA ,  Akemi SATO

IPC: B01J35/04 ,  B01J35/00 ,  B01J23/56 ,  B01D53/94 ,  F01N3/28

Abstract: An exhaust gas purifying catalyst includes: a wall-flow structure substrate including an inlet cell, an outlet cell, and a porous partition; a first catalyst layer formed inside the partition such that a thickness of the first catalyst layer is between 40% and 60%, inclusive, of an overall thickness Tw of the partition; and a second catalyst layer formed inside the partition such that the second catalyst layer extends across an entire region of the partition in a thickness direction thereof.

公开(公告)号：US20190120104A1

公开(公告)日：2019-04-25

申请号：US16090723

申请日：2017-03-21

Applicant: CATALER CORPORATION

Inventor： Satoru INODA ,  Yasutaka NOMURA ,  Junji KURIYAMA ,  Naoto MIYOSHI ,  Masahiko TAKEUCHI ,  Akemi SATO

IPC: F01N3/022 ,  F01N3/035 ,  F01N3/10 ,  F01N3/28 ,  B01J23/46 ,  B01J23/42 ,  B01J23/44 ,  B01J35/04

Abstract: An exhaust gas purification device includes: a substrate of wall-flow structure having an inlet cell, an outlet cell and a porous partition wall; an upstream catalyst layer provided inside the partition wall and disposed in an upstream portion, including an exhaust gas inflow end section, of the substrate; and a downstream catalyst layer provided inside the partition wall and disposed in a downstream portion, including an exhaust gas outflow end section, of the substrate. The downstream catalyst layer contains a carrier, and Rh supported on the carrier. The upstream catalyst layer contains a carrier, and Pd and/or Pt supported on the carrier.