Title:
REDUCER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2015078611
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a reducer supply device capable of reducing fastening of an injection valve due to deposition of a solute of a liquid reducer.SOLUTION: A reducer supply device disposed in an exhaust emission control device for purifying nitrogen oxide in exhaust of an internal combustion engine by using a liquid reducer, includes a pressure-feed module for pressure-feeding the liquid reducer in a storage tank, and an injection module for injecting the pressure-fed liquid reducer into an exhaust pipe. The injection module includes an injection valve portion having a piston capable of opening and closing an injection hole, and has a high permeation portion of high permeability to the liquid reducer, on a passage part for guiding the liquid reducer to the injection valve portion.
Inventors:
CHIBA KUNIHIRO
Application Number:
JP2013214674A
Publication Date:
April 23, 2015
Filing Date:
October 15, 2013
Export Citation:
Assignee:
BOSCH CORP
International Classes:
F01N3/08; B01D53/94
Attorney, Agent or Firm:
Oba Reiji
Hajime Takahashi
Hajime Takahashi