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, 1980

Filed:

Feb. 15, 1978
Applicant:
Inventors:

Takefumi Hosaka, Ann Arbor, MI (US);

Shoichi Otaka, Kawagoe, JP;

Takao Okura, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ; F02B / ;
U.S. Cl.
CPC ...
123 / ; 1231 / ; 123 / ; 123 / ;
Abstract

An internal combustion piston engine employs a main combustion chamber supplied with a lean combustible mixture through a main intake passage and an auxiliary combustion chamber supplied with a rich combustible mixture through an auxiliary intake passage. The auxiliary combustion chamber has a spark plug associated therewith, and a torch nozzle defined by a slot having its major axis extending along the principal axis of the engine cylinder.


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