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. 01, 1977
Filed:
Nov. 15, 1974
Yasuo Sakai, Yokohama, JA;
Yasuhiko Nakagawa, Fujisawa, JA;
Nissan Motor Co., Ltd., Yokohama, JA;
Abstract
An internal combustion engine comprises a main combustion chamber defined on one side by a piston and also having an auxiliary combustion chamber connected by a torch flame passageway to the main combustion chamber. The ratio of cross sectional area cut through the torch flame passageway at right angles thereto to the volume of the auxiliary combustion chamber being from a value that is greater than 0.2cm.sup.2 /cc to 0.3cm.sup.2 /cc. The volume of the auxiliary combustion chamber is from 6 percent to 15 percent of the total clearance volume that is the combined volume including a volume of the auxiliary combustion chamber, a volume of the main combustion chamber at the top dead center position of the piston and a volume of the torch flame passageway.