Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/065365
Kind Code:
A1
Abstract:
A microcomputer (406) is provided with: a voltage application unit (406a) that selectively applies a normal voltage for oxygen removal and a voltage for oxygen removal higher than the normal voltage to a first cell for removing oxygen from exhaust gas discharged from an internal combustion engine; an element temperature detection unit (406b) that detects an element temperature parameter representing the temperature of a cell constituting an exhaust gas sensor; and an end determination unit (406c) that determines the timing for ending the application of the voltage for oxygen removal on the basis of the element temperature parameter.

Inventors:
MURAYAMA YUKI (JP)
KAYAMA RYOZO (JP)
TODO YUSUKE (JP)
YOSHIDOME MANABU (JP)
Application Number:
PCT/JP2018/034454
Publication Date:
April 04, 2019
Filing Date:
September 18, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DENSO CORP (JP)
International Classes:
G01N27/416
Foreign References:
JP2016070922A2016-05-09
JP2009085637A2009-04-23
JP2011043523A2011-03-03
JP2009145235A2009-07-02
JP2004198351A2004-07-15
JP2002202285A2002-07-19
JP2000180400A2000-06-30
JP2009257889A2009-11-05
Attorney, Agent or Firm:
KAMATA, Toru et al. (JP)
Download PDF: