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:
Jan. 25, 1977
Filed:
Nov. 26, 1974
Applicant:
Inventors:
Norihiko Nakamura, Mishima, JA;
Fujio Nakayama, Toyota, JA;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231 / ; 123 / ; 123 / ;
Abstract
In a spark-ignition engine of the type having a main combustion chamber and an auxiliary combustion chamber so as to ignite the lean air-fuel mixture, a passage intercommunicating between the main and auxiliary combustion chambers has a bent portion between the ends thereof, and the spark gap of a spark plug is placed at or in the vicinity of the bent portion in the passage.
Nakamura, Norihiko. (1977). Spark ignition engine using lean air-fuel mixture (U.S. Patent No. 4004563). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4004563
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile