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.

Date of Patent:
Nov. 09, 1982

Filed:

Jul. 02, 1981
Applicant:
Inventors:

Toshihiko Igashira, Toyokawa, JP;

Hisasi Kawai, Toyohashi, JP;

Ken Nomura, Okazaki, JP;

Assignee:

Nippondenso Co., Ltd., Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ; F02P / ;
U.S. Cl.
CPC ...
123622 ; 1231 / ; 123655 ; 200 / ; 200 / ;
Abstract

An ignition device for a multi-cylinder internal combustion engine having an ignition coil, also positive and negative high voltages being alternately generated across the secondary winding of the ignition coil, and a distributor, the distributor comprising a center electrode, two electrical distributing conductors in the rotor of the distributor, the center electrode being connected electrically with the two electrical distributing conductors, the electrical distributing conductors including at least one center conductor and two projecting conductors for distributing electric power to side electrode, two diodes having opposite polarities being connected between the center conductor and the projecting conductors for electrical distribution, respectively, and a plurality of side electrodes adapted to be electrically coupled successively with the projecting conductors according to the rotation of the rotor, whereby positive and negative high voltages are supplied alternately to the side electrodes through the corresponding projecting conductors.


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