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.

Date of Patent:
Nov. 27, 1990

Filed:

Apr. 13, 1989
Applicant:
Inventor:

Takeshi Hirasawa, Hamamatsu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ; B63H / ;
U.S. Cl.
CPC ...
123 / ; 1231 / ; 440 89 ; 440111 ;
Abstract

An improved propulsion unit for a watercraft embodying a reciprocating internal combustion engine having horizontally disposed cylinders so as to provide a compact assembly. The engine operates on the two-stroke principle and the exhaust manifold for the engine is disposed beneath the engine to achieve further silencing.


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