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:
Dec. 14, 2004
Filed:
Aug. 07, 2002
Applicant:
Inventors:
Kenji Imafuku, Hiroshima, JP;
Masaharu Shimoji, Hiroshima, JP;
Junichi Ueda, Hiroshima, JP;
Hidenori Hiraki, Hiroshima, JP;
Assignee:
Shindaiwa Kogyo Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 7/502 ;
U.S. Cl.
CPC ...
F02B 7/502 ;
Abstract
A four-cycle engine wherein a fuel-air-oil mixture is compressed in a crank case chamber and directed therefrom along a pathway to a combustion chamber. The pathway contains actuating mechanism for actuating the fuel intake valve leading to the combustion chamber. The pathway is restricted in volume as permitted by the actuating mechanism, preferable to a range of two to four times the piston displacement.