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:
Oct. 15, 1991
Filed:
Sep. 14, 1989
Takanori Fujimoto, Himeji, JP;
Toshiro Hara, Himeji, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An idling engine speed controlling apparatus for an engine having a generator driven by an engine to charge a battery, a switching means for controlling the supply and interruption of an exciting current to a field winding for the generator so that a voltage generated from the generator or a voltage of a battery becomes a predetermined level, a continuous detecting means for detecting a total excitation time of the field winding during each rotational time period, and a regulator means having a control unit responsive to an output of continuous detecting means for adjusting a quantity of intake air supplied to the engine by detecting an excitation time of the field winding for each time period of the engine.