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:
Dec. 22, 1987
Filed:
May. 21, 1986
Applicant:
Inventor:
Shigetoshi Toeda, Kokubu, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123273 ; 123283 ; 123270 ;
Abstract
This invention relates to a sub-combustion chamber of an internal combustion engine, which includes a ceramic hot plug in a hot plug installation hole in a cylinder head, wherein a small clearance is provided between the hot plug and the installation hole to ensure better heat insulation and thus to greatly improve starting performance, combustion efficiency and reliability of the engine. This invention also relates to a sub-combustion chamber, wherein the hot plug can be easily inserted and secured in the hot plug installation hole.