Title:
SIGNAL PROCESSING DEVICE OF GAS SENSOR
Document Type and Number:
WIPO Patent Application WO/2016/047626
Kind Code:
A1
Abstract:
A signal processing device of a gas sensor is applied to a gas sensor which is provided to an engine exhaust passage and which detects the concentration of specific components in exhaust gas flowing through the exhaust passage. This signal processing device is provided with a filter means for reducing exhaust pulse noise included within the detection signal of the gas sensor, and a filter characteristic setting means for variably setting the filter characteristics of the filter means on the basis of the engine speed.
Inventors:
AKIMOTO KATSUHIDE (JP)
KUMAZAKI TOSIHIDE (JP)
MASUKO TAKAHITO (JP)
KUMAZAKI TOSIHIDE (JP)
MASUKO TAKAHITO (JP)
Application Number:
PCT/JP2015/076757
Publication Date:
March 31, 2016
Filing Date:
September 18, 2015
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02D45/00; F01N3/00
Foreign References:
| JP2010261846A | 2010-11-18 | |||
| JP2012241554A | 2012-12-10 | |||
| JP2007332905A | 2007-12-27 |
Attorney, Agent or Firm:
KIKUCHI, YASUHIRO (JP)
Yasuhiro Kikuchi (JP)
Yasuhiro Kikuchi (JP)
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