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:
Mar. 14, 2000
Filed:
Jun. 15, 1998
Applicant:
Inventors:
Makoto Koike, Aichi-gun, JP;
Tetsunori Suzuoki, Aichi-gun, JP;
Assignees:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ; F02B / ;
U.S. Cl.
CPC ...
123276 ; 123279 ; 123298 ; 123305 ;
Abstract
A spark-ignition type engine comprising a spark plug arranged at the center of the inner wall of the cylinder head and a fuel injector arranged at the periphery of the inner wall of the cylinder head. A cavity extending from a position beneath the fuel injector to a position beneath the spark plug is formed on the top face of the piston. The circumferential wall of the cavity extends archwise below the spark plug and has an arc shaped cross section.