Title:
【発明の名称】触媒コンバーターの操作方法
Document Type and Number:
Japanese Patent JP2843426
Kind Code:
B2
Abstract:
In a catalytic converter operating method according to the present invention, a heater is energized at a predetermined power level or above and thereby heated substantially concurrently with the operation of an engine. During the heating, an oxidizing gas is introduced into the catalytic converter. When the temperature of the heater exceeds a value at which a main catalyst of the catalytic converter or a light-off catalyst carried on the heater functions, the power level is reduced by an output adjuster and supply of the oxidizing gas is suspended.
Inventors:
ABE FUMIO
HARADA SETSU
MIZUNO HIROSHIGE
HARADA SETSU
MIZUNO HIROSHIGE
Application Number:
JP17694390A
Publication Date:
January 06, 1999
Filing Date:
July 04, 1990
Export Citation:
Assignee:
NIPPON GAISHI KK
International Classes:
F01N3/20; F01N3/24; H05B3/12; (IPC1-7): F01N3/20; F01N3/24
Domestic Patent References:
| JP4734177A | ||||
| JP4723609A |
Attorney, Agent or Firm:
Ippei Watanabe (1 person outside)