公开(公告)号：US11364489B2

公开(公告)日：2022-06-21

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

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：US11187129B2

公开(公告)日：2021-11-30

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：US10934910B2

公开(公告)日：2021-03-02

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 ,  B01D53/94

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：US09597663B2

公开(公告)日：2017-03-21

申请号：US15030448

申请日：2014-12-08

Applicant: CATALER CORPORATION

Inventor： Satoru Inoda ,  Akimasa Hirai ,  Kenichi Taki ,  Satoshi Matsueda

IPC: B01J23/00 ,  B01J23/10 ,  B01J23/46 ,  B01J23/63 ,  B01D53/94 ,  B01J23/58 ,  B01J35/04

CPC classification number: B01J23/464 ,  B01D53/945 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/9202 ,  B01J21/066 ,  B01J23/44 ,  B01J23/58 ,  B01J23/63 ,  B01J35/0013 ,  B01J35/002 ,  B01J35/04 ,  B01J37/0215 ,  B01J37/0219 ,  B01J37/343 ,  Y02T10/22

Abstract: An exhaust cleaning catalyst, with which precious metal sintering is inhibited and which has greater exhaust cleaning abilities, has a substrate and a catalyst coating layer provided on the substrate. The catalyst coating layer has a precious metal that serves as an oxidation and/or reduction catalyst. The precious metal has Rh-containing metal particles in which rhodium (Rh) coexists with a base metal selected among platinum group elements excluding rhodium. The Rh-containing metal particles have an average rhodium content of 0.1% to 5% by mole with the total amount of the base metal and rhodium being 100% by mole.