Title:
ADSORPTION DEVICE FOR UNBURNED HYDROCARBON FOR INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JPH08109824
Kind Code:
A
Abstract:
PURPOSE: To enable efficient adsorption of HC exhausted at the starting time of an engine by eliminating disturbance of moisture contained in exhaust gas.
CONSTITUTION: A physical moisture separation and removal means, for instance, a cyclon moisture remover 1 is arranged on an upstream side of an HC adsorption agent 2, for separating moisture contained in exhaust gas by centrifugal force, and discharging it while bypassing the HC adsorption agent 2. A moisture absorption agent is not used at a position which is exposed to high temperature, so that stability and durability are improved.
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Inventors:
MORISHIMA SHINGO
YAMADA JUN
KANEHARA KENJI
YOSHINAGA TORU
YAMADA JUN
KANEHARA KENJI
YOSHINAGA TORU
Application Number:
JP24620794A
Publication Date:
April 30, 1996
Filing Date:
October 12, 1994
Export Citation:
Assignee:
NIPPON SOKEN
International Classes:
B01D53/04; B04C5/00; F01N3/037; F01N3/08; F01N3/20; F01N3/28; F01N13/00; F01N99/00; (IPC1-7): F01N7/00; B01D53/04; B04C5/00; F01N3/08
Attorney, Agent or Firm:
Takashi Ishida (3 others)