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:
Apr. 15, 2003
Filed:
Oct. 23, 2001
Applicant:
Inventors:
Satoshi Kawamura, Tokyo, JP;
Sotsuo Miyoshi, Tokyo, JP;
Toshihiko Miyake, Tokyo, JP;
Youichi Fujita, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 2/507 ;
U.S. Cl.
CPC ...
F02M 2/507 ;
Abstract
Hysteresis correction is carried out based on an amount of deviation between input data indicative of the target opening/closing position of a control valve, and the current opening/closing position of the control valve, or based on the output value of a PI controlled variable operation unit, to which a value of the deviation is entered.