Outboard motor with means for supplying secondary to catalytic converter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 25, 1995
Grant Date -
N/A
app pub date -
Sep 28, 1993
filing date -
Sep 28, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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