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:
Nov. 01, 1994
Filed:
Feb. 12, 1992
Applicant:
Inventor:
Yoshiharu Isaka, Iwata, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kasha, Iwati, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123308 ;
Abstract
A number of embodiments of induction systems for internal combustion engines wherein a control valve arrangement is provided in the induction passage for selectively generating either or both of tumble and/or swirl to the intake charge in response to varying running conditions. Various types of control valve arrangements are disclosed as are systems for cooling the control valves and augmenting the flow pattern caused by the control valve.