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. 01, 1978
Filed:
Sep. 21, 1976
Applicant:
Inventors:
Assignee:
Kubota, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ; 1231 / ;
Abstract
The spark gap portion of an ignition plug in a combustion chamber is adapted to be opposed to a bundle of streams of the air-fuel mixture withdrawn from an intake valve and is positioned on a line extending from the center of the cylinder to a midpoint between the intake valve and an exhaust valve, the spark gap portion further being positioned approximately midway between the center and the midpoint. The spark gap portion of the plug and the vicinity thereof are automatically cleaned at every stroke of the piston.