Title:
ENGINE IDLING SPEED CONTROLLER
Document Type and Number:
Japanese Patent JP3199399
Kind Code:
B2
Abstract:
PURPOSE: To keep an aim of convergence into a desired rotation even in the case where a rotational variation has grown larger due to external load, by expanding the range of feedback at an action of the external load.
CONSTITUTION: An amount of feedback is determined out of a deviation between the desired revolution and the actual one of engine speed, and thereby idling speed is controlled for feedback, thus accurate speed control is made achievable. In addition, executional judgment of feedback and operations of feedback value, target charging efficiency and ignition timing are all performed by a control unit 32. In succession, an ignition signal conformed to the operated feedback value is outputted from the control unit 32 to an ignition coil 28. Then, a working signal of external load is inputted into the control unit 32, and a range of the feedback value is expanded at an action of the external load.
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Inventors:
Toshihiro Ishihara
Tetsushi Hosogai
Kunihiro Minamitani
Mamoru Kaya
Tetsushi Hosogai
Kunihiro Minamitani
Mamoru Kaya
Application Number:
JP18400491A
Publication Date:
August 20, 2001
Filing Date:
June 28, 1991
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02D29/02; F02D29/04; F02D41/16; F02D45/00; F02P5/15; (IPC1-7): F02D41/16; F02D29/02; F02D29/04; F02P5/15
Domestic Patent References:
| JP2149749A | ||||
| JP6436944A | ||||
| JP55160138A | ||||
| JP2204652A | ||||
| JP5862333A | ||||
| JP2161153A | ||||
| JP342038U | ||||
| JP36062U |
Attorney, Agent or Firm:
Kensuke Isshiki (2 outside)