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:
Jun. 10, 1997
Filed:
Nov. 09, 1995
Applicant:
Inventors:
Tateo Aoyama, Iwata, JP;
Masato Nishigaki, Iwata, JP;
Takashi Hara, Iwata, JP;
Masami Wada, Iwata, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123432 ;
Abstract
A number of embodiments of three valve per cylinder engines which permit effective running under all engine running conditions by controlling the flow to some of the intake ports and by redirecting the flow, in some instances to other intake ports. A wide variety of control valves and fuel injector arrangements are also disclosed.