Title:
【発明の名称】エンジンのアイドル回転数制御装置
Document Type and Number:
Japanese Patent JP2847142
Kind Code:
B2
Abstract:
An idle speed control apparatus of an engine, having a valve for changing an intake air quality to the engine, a device for measuring an engine coolant temperature, a circuit for detecting an engine speed, and a device responsive to said engine speed for controlling an opening degree of said valve to maintain said engine speed to a predetermined speed under idling state, comprising: a device for producing a signal when said engine coolant temperature exceeds a predetermined temperature; a device responsive to said signal for starting to count a cumulative time period; a device responsive to said cumulative time period for setting a correction opening degree; and a device responsive to said correction opening degree and a current opening degree of said valve means for calculating a learnt opening degree.
Inventors:
OOKUMO HIROYA
MYAMA HIDEJI
MYAMA HIDEJI
Application Number:
JP12513989A
Publication Date:
January 13, 1999
Filing Date:
May 18, 1989
Export Citation:
Assignee:
FUJI JUKOGYO KK
International Classes:
F02D41/16; F02D31/00; F02D41/24; (IPC1-7): F02D41/16
Domestic Patent References:
| JP58158344A | ||||
| JP606040A | ||||
| JP61145338A | ||||
| JP62131831A | ||||
| JP62251447A | ||||
| JP64336A |
Attorney, Agent or Firm:
Nobujun Kobashi