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Patent Searching and Data


Title:
CONTROL DEVICE FOR EXHAUST GAS PURIFYING DEVICE, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/066820
Kind Code:
A1
Abstract:
An electronic control unit (ECU) (43) of an exhaust gas purifying device (40) which is disposed in an exhaust gas passage of an engine (10), and which includes a Lean NOx Trap (LNT) (41), sets, on the basis of an absorbed NOx quantity, an execution start condition to be applied when execution of a rich spike is to be started, and switches the execution start condition to be applied when the absorbed NOx quantity has risen to or above a reference value, from a first condition, namely that a lockup clutch of a torque converter (11) connected to the engine (10) is not directly coupled and the oil temperature in the torque converter (11) is at least equal to a prescribed temperature, to a second condition, namely that the lockup clutch is not directly coupled.

Inventors:
MURASAWA NAOTO (JP)
FUJII KENJI (JP)
NISHIUCHI TAKESHI (JP)
MUKUNASHI TAKAYUKI (JP)
Application Number:
PCT/JP2019/036693
Publication Date:
April 02, 2020
Filing Date:
September 19, 2019
Export Citation:
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Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01N3/20; B01D53/94; F01N3/08; F02D41/04
Foreign References:
JP2006183545A2006-07-13
JP2017172522A2017-09-28
JP2000027630A2000-01-25
JP2007270646A2007-10-18
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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