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:
Aug. 26, 1980
Filed:
Nov. 30, 1978
Applicant:
Inventors:
Hiroji Sawada, Hitachi, JP;
Tatsuo Igawa, Kitaibaraki, JP;
Assignees:
Hitachi, Ltd., both of, JP;
Nissan Motor Company, Limited, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
200 / ; 123633 ; 200 / ; 200 / ; 200267 ;
Abstract
A distributor for distributing a high voltage from an ignition system of an internal combustion engine to sparking plugs arranged so as to oppose to the rotating electrode through very small gaps is improved by the provision of a filmy layer made of an oxide of an alkaline-earth metal which is formed on the discharge portion of the rotating electrode or the surface of each of the fixed electrodes.