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:
Apr. 11, 1995
Filed:
Sep. 27, 1993
Applicant:
Inventor:
Naoki Kato, Hamamatsu, JP;
Assignee:
Sanshin Kogyo Kabushiki Kaisha, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 38 ; 440 75 ;
Abstract
Several embodiments of jet propulsion drive units for watercraft wherein the engine outer housing is provided with an integral step down transmission so that the engine can be a high speed, low displacement engine and still drive the jet propulsion unit without causing cavitation. In one embodiment, the transmission is constructed so as to permit the impeller shaft to be positioned in offset relationship to the engine output shaft and in the other embodiment, the shafts are in line with each other.