Title:
ELECTRICALLY HEATED CATALYST CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH0693837
Kind Code:
A
Abstract:
PURPOSE: To prevent a catalyst converter from being excessively heated or from being insufficiently heated and heat a catalyst up to a temperature round an activating temperature irrespective of an ambient temperature.
CONSTITUTION: A controller 4B detects temperature data from ambient temperature sensor 10 on a vehicle, and the time of energization of a heater 1a for heating a catalyst converter 1 is changed in accordance with an ambient temperature before energization under such a consideration that the time of energization of the heater 1 is a function of a measured ambient temperature.
Inventors:
MATSUMOTO AKIO
Application Number:
JP24667492A
Publication Date:
April 05, 1994
Filing Date:
September 16, 1992
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F01N3/20; F01N3/24; F01N9/00; (IPC1-7): F01N3/20; F01N3/24; F01N9/00
Attorney, Agent or Firm:
Soga Doteru (6 people outside)
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