Title:
DPF REGENERATION-COMPLETION-TIME DETERMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/165320
Kind Code:
A1
Abstract:
Provided is a DPF regeneration-completion-time determination device that can accurately determine when DPF regeneration is complete. Said device is provided with the following: a first electrode (4) disposed outside a DPF (2); a second electrode (5) that is disposed inside said DPF (2) so as to face the first electrode (4) and lie inside a regeneration critical plane (3) at which the temperature is equal to a regeneration temperature; a capacitance-detection circuit (6) that detects the capacitance between the first electrode (4) and the second electrode (5); and a determination circuit (7). When the capacitance detected by the capacitance-detection circuit (6) goes from decreasing to stable, the determination circuit determines that regeneration is complete.
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Inventors:
NODA MASAFUMI (JP)
Application Number:
PCT/JP2012/063450
Publication Date:
December 06, 2012
Filing Date:
May 25, 2012
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
NODA MASAFUMI (JP)
NODA MASAFUMI (JP)
International Classes:
F01N3/023; F01N3/02; G01N15/08; G01N27/22
Domestic Patent References:
| WO2007066462A1 | 2007-06-14 |
Foreign References:
| JPH0195521U | 1989-06-23 | |||
| JP2011012577A | 2011-01-20 | |||
| JPH05106427A | 1993-04-27 |
Attorney, Agent or Firm:
KINUTANI Nobuo (JP)
Nobuo Kinutani (JP)
Nobuo Kinutani (JP)
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Claims: