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:
Jun. 13, 1989

Filed:

Dec. 24, 1987
Applicant:
Inventors:

Testuo Yamagata, Bunkyo, JP;

Shoji Yamashita, Kawagoe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123352 ; 180178 ;
Abstract

A constant speed running control device is disclosed for use on an automobile or motorcycle which permits automatic constant speed operation at a desired speed by a setting operation, and more particularly, to an improvement in a cancellation system for the automatic constant speed operation. The cancellation system being responsive to a throttle opening change in a closing direction of the engine throttle within a fixed period of time which is greater than a predetermined value or is responsive to irregular combustion in the engine during low operating speeds.


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