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:
Aug. 09, 1994

Filed:

May. 12, 1992
Applicant:
Inventors:

Kazuyori Katayama, Hyogo, JP;

Yasuhiro Fujiwara, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
36442604 ; 180179 ; 123352 ;
Abstract

In a constant speed driving device in which an amount of control of a throttle actuator for driving a throttle valve is calculated by using a control constant so that an actual vehicle speed reaches an aimed vehicle speed, the control constant is changed according to parameters corresponding to the effective operation and non-effective operation of a pressure-charger. Thus, with the device, the constant speed driving operation is achieved suitably independently of the operating conditions of the pressure-charger.


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