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.

Date of Patent:
Jun. 24, 1986

Filed:

Jan. 18, 1985
Applicant:
Inventors:

Shizuo Yagi, Asaka, JP;

Junji Ootani, Oomiya, JP;

Masafumi Araki, Kawagoe, JP;

Fumihiko Yoshida, Kodaira, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ; F02B / ;
U.S. Cl.
CPC ...
123260 ; 123268 ; 123293 ;
Abstract

A combustion chamber system of a kerosine internal combustion engine including a main combustion chamber and an auxiliary combustion chamber both of which are defined in a cylinder head and are spaced from each other by a partition. A plurality of communication holes through which these main and auxiliary combustion chambers communicate with each other are made in the partition. The main combustion chamber has a suction port and an exhaust port opened thereto which are adapted to be opened and closed by a suction valve and an exhaust valve, respectively. The open ends of the communication holes on the side of the main combustion chamber are pointed to the upper surface of a piston located in the vicinity of a top dead center thereof, and a mixture of a theoretical or richer fuel ratio is fed into the main combustion chamber.


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