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:
Nov. 13, 1990
Filed:
Nov. 17, 1989
Applicant:
Inventors:
Vittorio Di Nunzio, Turin, IT;
Riccardo Colla, Turin, IT;
Assignee:
Fiat Auto S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
123645 ; 123654 ; 123656 ;
Abstract
The device is of the type comprising for each engine spark plug a transformer with a secondary winding to be connected to the respective spark plug and a primary winding connected to the output of a power stage able to provide an ON-OFF signal for controlling the transformer. The device also comprises a damping network and, interposed between the network and the output of the power stage, unidirectional connection means which connect said network to the output of the power stage each time the signal present at said output switches from an OFF condition to an ON condition.