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:
Jul. 10, 1990
Filed:
May. 05, 1989
Applicant:
Inventors:
Hiroshi Asano, Zama, JP;
Shigeru Ishii, Atsugi, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60K / ;
U.S. Cl.
CPC ...
74866 ; 74867 ;
Abstract
Engine torque is derived using the air flow and engine speed, and used to determine the basic level of line pressure. The opening degree of the engine throttle valve is sensed and the level of the line pressure increased according to a correction schedule in the event that the throttle valve is opened beyond a predetermined amount.