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. 31, 1983
Filed:
Jun. 01, 1981
Josef Orova, Schwabach, DE;
Jiri Podrapsky, Rosstal, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Speed limiting in an ignition system utilizing a magneto generator is accomplished by increasing the damping of the half wave not utilized for ignition. This is accomplished by switching in additional resistance in parallel with the damping circuit resistance when the speed of the engine exceeds the speed to which it is to be limited. The additional damping during the half wave which is not utilized causes a decrease in the current and voltage wave utilized for ignition because of armature reaction. The decrease, in turn, causes a sudden change in ignition timing in the direction of late ignition and therefore an additional damping or complete suppression of ignition.