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Patent Searching and Data


Title:
AIR-FUEL RATIO AUTOMATIC CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH0658205
Kind Code:
A
Abstract:

PURPOSE: To enable control of after-control A/F to be conducted in adequate A/F range easily and certainly by altering a fuel flow quantity.

CONSTITUTION: A fuel flow quantity variable means (MJCV) 10 which is connected to a stepping motor 12 is provided in the main fuel path 4 of a carbureter 1 and a temperature sensor 13 which detects percolation is provided in a float chamber 2. Operating command which compensates the stepping motor 12 for its base A/F according to the detection signal of the temperature sensor 13 and the opening limit of an air breed control valve(ABCV) is outputted by ECU 20. Therefore, fuel flow quantity is changed by MJCV 10.


Inventors:
Kasahara, Shinichiro
Application Number:
JP1992000210519
Publication Date:
March 01, 1994
Filing Date:
August 06, 1992
Export Citation:
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Assignee:
TOYOTA AUTOM LOOM WORKS LTD
International Classes:
F02M7/12; (IPC1-7): F02M7/12
Attorney, Agent or Firm:
大川 宏