Title:
EXHAUST GAS PURIFICATION SYSTEM AND CONTROL METHOD THEREOF
Document Type and Number:
Japanese Patent JP2015055209
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an exhaust gas purification system and a control method thereof capable of correctly warning shortage of a residual amount of urea water in a tank regardless of attitude of a vehicle.SOLUTION: A urea concentration sensor 18 is disposed at a lower part from a lowermost position of a float 13 vertically movable along an end portion 6a, at a suction port 11 side, of a supply pipe 6 for supplying urea water 7 in a urea water tank 8 loaded on a vehicle, into an exhaust pipe 3 of a diesel engine 2. An ECU 17 operates warning means 16 when the urea concentration sensor 18 does not detect urea.
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Inventors:
MINESAWA MASANOBU
SAKUMOTO KOJI
OMURA HIROHISA
MATSUSHITA SHUNYA
SAKUMOTO KOJI
OMURA HIROHISA
MATSUSHITA SHUNYA
Application Number:
JP2013189409A
Publication Date:
March 23, 2015
Filing Date:
September 12, 2013
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F01N3/08; B01D53/86; B01D53/94
Attorney, Agent or Firm:
Clear stream international patent business corporation
Daytime Takayoshi
Shin-ichi Ogawa
Masateru Noguchi
Kenji Sato
Isao Hirai
Masao Sakaizawa
Daytime Takayoshi
Shin-ichi Ogawa
Masateru Noguchi
Kenji Sato
Isao Hirai
Masao Sakaizawa
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