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.
Patent No.:
Date of Patent:
May. 07, 1991
Filed:
Jan. 26, 1990
Applicant:
Inventors:
Akihiko Tsukahara, Yokohama, JP;
Toshio Iwaoka, Yokohama, JP;
Yuichi Yamaguchi, Yokohama, JP;
Tsutomu Danzaki, Yokohama, JP;
Assignee:
Jidosha Denki Kogyo K.K., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; F02D / ; B60K / ; B60K / ;
U.S. Cl.
CPC ...
36442604 ; 36442405 ; 318434 ; 123352 ; 123361 ; 180170 ; 180174 ;
Abstract
An automatic car-speed controller is provided with a car-speed sensor, a command switch, a car-speed memory, an actuator, a driving motor, an abnormality detector for detecting an abnormality in an electromagnetic clutch of the actuator by detecting the time required for returning a throttle to the fully closed position from the position at which the electromagnetic clutch is released, and a control system for making the actuator inoperative when the abnormality detector detects an abnormality in the electromagnetic clutch.