公开(公告)号：US08992869B2

公开(公告)日：2015-03-31

申请号：US13722384

申请日：2012-12-20

Applicant: Caterpillar Inc.

Inventor： Joshua L Ratts ,  Ronald Graham Silver

IPC: B01D53/94 ,  B01J33/00 ,  F01N3/28 ,  B01D53/58

CPC classification number: B01D53/9404 ,  B01D53/58 ,  B01D53/9418 ,  B01D53/9436 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/50 ,  B01D2255/9027 ,  Y10S502/50 ,  Y10S502/52712 ,  Y10S502/52713

Abstract: A treatment device configured to receive a flow of exhaust from a power source is disclosed. The treatment device may have a first layer, a second layer, and a substrate layer. The first layer may include a selective catalytic reduction layer, and the second layer may be disposed downstream of the first layer and include an oxidation catalyst support. The substrate layer may be disposed adjacent to the second layer. Additionally, an additive may be disposed downstream of the first layer. The additive may be operative to substantially prohibit migration of a component of the second layer to the first layer upon treatment of the flow of exhaust by the oxidation catalyst support.

Abstract translation: 公开了一种被配置为从电源接收排气流的治疗装置。 治疗装置可以具有第一层，第二层和衬底层。 第一层可以包括选择性催化还原层，并且第二层可以设置在第一层的下游并且包括氧化催化剂载体。 衬底层可以布置成与第二层相邻。 另外，添加剂可以设置在第一层的下游。 当通过氧化催化剂载体处理排气流时，添加剂可以有效地基本上禁止第二层的组分迁移到第一层。

公开(公告)号：US20140178273A1

公开(公告)日：2014-06-26

申请号：US13722384

申请日：2012-12-20

Applicant: CATERPILLAR INC.

Inventor： Joshua L Ratts ,  Ronald Graham Silver

IPC: B01D53/94 ,  B01D53/58

CPC classification number: B01D53/9404 ,  B01D53/58 ,  B01D53/9418 ,  B01D53/9436 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/20769 ,  B01D2255/20776 ,  B01D2255/50 ,  B01D2255/9027 ,  Y10S502/50 ,  Y10S502/52712 ,  Y10S502/52713

Abstract: A treatment device configured to receive a flow of exhaust from a power source is disclosed. The treatment device may have a first layer, a second layer, and a substrate layer. The first layer may include a selective catalytic reduction layer, and the second layer may be disposed downstream of the first layer and include an oxidation catalyst support. The substrate layer may be disposed adjacent to the second layer. Additionally, an additive may be disposed downstream of the first layer. The additive may be operative to substantially prohibit migration of a component of the second layer to the first layer upon treatment of the flow of exhaust by the oxidation catalyst support.

Abstract translation: 公开了一种被配置为从电源接收排气流的治疗装置。 治疗装置可以具有第一层，第二层和衬底层。 第一层可以包括选择性催化还原层，并且第二层可以设置在第一层的下游并且包括氧化催化剂载体。 衬底层可以布置成与第二层相邻。 另外，添加剂可以设置在第一层的下游。 当通过氧化催化剂载体处理排气流时，添加剂可以有效地基本上禁止第二层的组分迁移到第一层。