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Title:
PARTICULATE-MATTER PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2012219669
Kind Code:
A
Abstract:

To reduce power consumption of a particulate-matter processing device.

A particulate-matter processing device includes: an electrode provided in an exhaust passage of an internal combustion engine; a power supply connected to the electrode in order to apply a voltage thereto; a particle-number detecting device that detects or estimates the particle number of particulate matter on the upstream side from the electrode; and a control device that reduces the voltage, applied to the electrode, when the particle number of particulate matter to be detected or estimated by the particle-number detecting device is smaller than the threshold, compared with when it is larger than the threshold.


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Inventors:
MITANI SHINICHI
NOMURA HIROSHI
MURASE EIJI
Application Number:
JP2011084640A
Publication Date:
November 12, 2012
Filing Date:
April 06, 2011
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F01N3/01; B01D51/00; B01D51/02; F01N3/02
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Kazunobu Sera
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori
Fuminori Miyashita



 
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