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:
Apr. 25, 1995

Filed:

Sep. 28, 1993
Applicant:
Inventor:

Lee A Woodward, Racine, WI (US);

Assignee:

Outboard Marine Corporation, Waukegan, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60302 ; 60304 ; 60307 ; 1235591 ; 440 89 ;
Abstract

Disclosed herein is an outboard motor comprising a drive shaft housing including an inner wall partially defining a pumping chamber, an air inlet port communicating between the pumping chamber and the atmosphere, and an air outlet port communicating with the pumping chamber, a propeller shaft rotatably supported by the drive shaft housing, an engine mounted on the drive shaft housing, a drive shaft drivingly connecting the engine to the propeller shaft, a closure member which is supported by the drive shaft housing, which partially defines the pumping chamber, and which rotatably supports the drive shaft, an exhaust passageway communicating with the engine, a catalytic converter located in the exhaust passageway and communicating with the outlet port, and an impeller located in the pumping chamber, mounted on the drive shaft for rotation therewith, and operative to supply air to the catalytic converter.


Find Patent Forward Citations

Loading…