Title:
DPF REGENERATION CONTROL DEVICE AND DPF REGENERATION CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/045091
Kind Code:
A1
Abstract:
An ECU 10 comprising: a valve control unit 101 for reducing the valve opening for at least either an intake throttle valve or an exhaust throttle valve, so that the temperature on the upstream side of a DOC reaches a prescribed temperature; and a deposition condition determination unit 105 for determining whether or not the deposited amount of SOF deposited in the DOC meets a deposition condition whereby same exceeds a prescribed deposition amount. The valve control unit 101 includes an aperture opening reduction control execution unit 102 for executing aperture opening reduction control whereby the aperture opening for the valve is smaller when the deposition condition is met than when the deposition condition is not met.
Inventors:
NISHIZAWA KAZUKI (JP)
SATO DAISUKE (JP)
SATO DAISUKE (JP)
Application Number:
PCT/JP2019/031900
Publication Date:
March 05, 2020
Filing Date:
August 14, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F01N3/025; F01N3/033
Foreign References:
| JP2018044471A | 2018-03-22 | |||
| JP2014218982A | 2014-11-20 | |||
| JP2010144525A | 2010-07-01 | |||
| JP2006291788A | 2006-10-26 | |||
| JP2009174513A | 2009-08-06 | |||
| JP2016223367A | 2016-12-28 | |||
| JP2005076604A | 2005-03-24 | |||
| JP2015068233A | 2015-04-13 |
Other References:
See also references of EP 3822465A4
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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