公开(公告)号：US20160363031A1

公开(公告)日：2016-12-15

申请号：US15103612

申请日：2014-12-09

Applicant: HIRTENBERGER AKTIENGESELLSCHAFT

Inventor： Hanspeter MAYER

IPC: F01N11/00 ,  F01N3/10 ,  B01D41/04 ,  F01N3/021

CPC classification number: F01N11/002 ,  B01D41/04 ,  F01N3/021 ,  F01N3/0237 ,  F01N3/10 ,  F01N2550/02 ,  F01N2550/04 ,  F01N2560/06 ,  F01N2560/12 ,  Y02A50/2322

Abstract: The invention relates to a method for diagnosing a gas-permeable object, such as a catalyst (15) or a filter, that was removed from an exhaust gas tract connected downstream of an internal combustion engine, in particular removed from a motor vehicle. In order to obtain particularly precise information about a function of the catalyst (15), according to the invention, an end face of the catalyst (15) is subjected to a test medium of a defined composition, such as propane gas or carbon monoxide, through an opening (5) by means of a device (2) in order to measure a catalytic reactivity. At a position located downstream, a concentration of at least one reduced or oxidized constituent of the test medium is measured after having passed the catalyst (15) and/or a temperature of the object after being subjected to the test medium is measured. The invention further relates to a device (1) for diagnosing a gas-permeable object, such as a catalyst (15) or a filter, that was removed from an exhaust gas tract connected downstream of an internal combustion engine, in particular removed from a motor vehicle.

Abstract translation: 本发明涉及一种用于诊断气体可渗透物体的方法，例如催化剂（15）或过滤器，其从连接在内燃机下游的排气道，特别是从机动车辆中除去。 为了获得关于催化剂（15）的功能的特别精确的信息，根据本发明，催化剂（15）的端面经受具有规定组成的试验介质，例如丙烷气体或一氧化碳， 通过设备（2）通过开口（5）以测量催化反应性。 在位于下游的位置，在通过催化剂（15）之后测量测试介质的至少一种还原或氧化组分的浓度和/或测量受试介质后物体的温度。 本发明还涉及一种用于诊断透气物体（例如催化剂（15）或过滤器）的装置（1），其从连接在内燃机下游的排气道中移除，特别是从 摩托车。

公开(公告)号：US20180078889A1

公开(公告)日：2018-03-22

申请号：US15694044

申请日：2017-09-01

Applicant: HIRTENBERGER AKTIENGESELLSCHAFT

Inventor： Hanspeter MAYER

IPC: B01D41/04 ,  B08B5/02 ,  B08B7/00 ,  B08B13/00 ,  B01D46/00 ,  B01D53/96 ,  B01J38/02

CPC classification number: B01D41/04 ,  B01D46/0086 ,  B01D53/96 ,  B01J35/04 ,  B01J38/02 ,  B01J38/12 ,  B08B5/02 ,  B08B7/0071 ,  B08B13/00 ,  F01N3/021 ,  F01N3/0237 ,  F01N3/08 ,  F01N3/10 ,  F01N2260/04

Abstract: The invention relates to a method for the quality improvement of a gas-permeable object, such as a filter or catalyst, removed from an exhaust gas system of an internal combustion engine. To attain a cost-effectively realizable method, it is provided according to the invention that, in an automated process, a condition of the object is measured, after which a quality improvement is carried out, after which a condition of the object is measured again.Furthermore, the invention relates to an apparatus for the diagnosing and quality improvement of a gas-permeable object, such as a filter or a catalyst, removed from an exhaust gas system of an internal combustion engine.