公开(公告)号：US11156145B2

公开(公告)日：2021-10-26

申请号：US16751748

申请日：2020-01-24

Applicant: Caterpillar Inc.

Inventor： Wesley Gene Benson ,  Andrew M. Denis ,  Joshua Lynn Ratts ,  Jack Albert Merchant

IPC: F01N3/28 ,  F01N13/10

Abstract: An emission module for treating exhaust gas including a housing, a first catalyst substrate positioned within the housing and having an inlet end, the first catalyst substrate defining a plurality of flow passages extending longitudinally from the inlet end, and a first restrictor plate positioned at the inlet end of the first catalyst substrate to block exhaust flow through a first portion of the plurality of flow passages while allowing exhaust flow through the remainder of the plurality of flow passages.

公开(公告)号：US20210231043A1

公开(公告)日：2021-07-29

申请号：US16751748

申请日：2020-01-24

Applicant: Caterpillar Inc.

Inventor： Wesley Gene Benson ,  Andrew M. Denis ,  Joshua Lynn Ratts ,  Jack Albert Merchant

IPC: F01N3/28 ,  F01N13/10

Abstract: An emission module for treating exhaust gas including a housing, a first catalyst substrate positioned within the housing and having an inlet end, the first catalyst substrate defining a plurality of flow passages extending longitudinally from the inlet end, and a first restrictor plate positioned at the inlet end of the first catalyst substrate to block exhaust flow through a first portion of the plurality of flow passages while allowing exhaust flow through the remainder of the plurality of flow passages.