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:
Feb. 23, 1999
Filed:
Jun. 09, 1997
Applicant:
Inventors:
Jun Taue, Iwata, JP;
Masaichi Yamada, Iwata, JP;
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123 524 ; 123 544 ; 123317 ;
Abstract
A watercraft is propelled by an outboard motor having a water propulsion device powered by a multi-cylinder engine of a crankcase compression type, the engine positioned within a cowling of the motor. The engine has a very compact V type arrangement. The intake system for admitting the charge to the crankcase chambers and the exhaust manifold are positioned around the outside of the engine opposite its valley. A compressor delivery to the cylinder head intake ports is positioned within the valley. The engine includes at least one crankshaft which drives a drive shaft of the water propulsion device of the motor.