Title:
フィルタの機能不全を検知するための装置と方法
Document Type and Number:
Japanese Patent JP2005524015
Kind Code:
A
Abstract:
A device for detecting a failure of a filter used to clean a gas stream, in particular an exhaust gas stream, of soot particulates, including a chamber which is insertable into the gas stream to be cleaned in addition to the filter and which is at least partially closed by a filter body and has at least one opening through which gas entering the chamber through the filter body can exit the chamber, at least one gas sensor for determining the concentration of at least one component of the gas to be cleaned being arranged in the chamber, and at least one second gas sensor for determining the concentration of the at least one component of the gas to be cleaned being arranged outside the chamber.
Inventors:
Thomas Schulte
Bernd Schumann
Bernd Schumann
Application Number:
JP2003588064A
Publication Date:
August 11, 2005
Filing Date:
January 30, 2003
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
B01D46/42; F01N3/02; F01N3/027; F01N11/00; F02D45/00; (IPC1-7): F01N3/02; B01D46/42; F02D45/00
Attorney, Agent or Firm:
Toshio Yano
Einzel Felix-Reinhard
Reinhard Einsel
Einzel Felix-Reinhard
Reinhard Einsel