The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 26, 1985

Filed:

Feb. 24, 1983
Applicant:
Inventor:

Shigeo Aono, Sekimachi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123339 ; 123352 ; 123589 ;
Abstract

An engine idling speed control system for an internal combustion engine which controls engine idling speed by adjusting the amount of intake air by-passing the throttle valve on the basis of the air-to-fuel ratio, in addition to the difference between the actual idling speed and the optimum idling speed determined on the basis of engine coolant temperature. The system according to the present invention comprises an air-to-fuel ratio determination section and an intake air calculation section for calculating the basic amount of intake air on the basis of the difference between the idling speed and the optimum idling speed and correcting the calculated basic amount of intake air on the basis of the air-to-fuel ratio.


Find Patent Forward Citations

Aono, Shigeo. (1985). Idling speed control system for internal combustion engine (U.S. Patent No. 4501240). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4501240

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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