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:
Oct. 16, 1990
Filed:
Jun. 01, 1989
Applicant:
Inventors:
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ; F02B / ;
U.S. Cl.
CPC ...
123257 ; 123269 ; 123275 ; 123289 ;
Abstract
A combustion chamber and method of operating a diesel engine to insure maximum air utilization. The engine has a main chamber and a subchamber that communicates with the main chamber through a communication passageway. Fuel injection into the subchamber is begun at a time when the throat area of the engine by which the main chamber communicates with the communication passageway is equivalent to approximately the effective flow area of the communication passageway so as to insure maximum air utilization.