Exhaust system for outboard motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 2004
Grant Date -
Nov 22, 2001
app pub date -
May 17, 2001
filing date -
May 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An exhaust system for an outboard motor includes an internal combustion engine. An intermediate member supports the engine. A housing unit depends from the intermediate member. An exhaust system guides exhaust gases from the engine. The exhaust system includes a main exhaust passage and an idle exhaust passage. The main exhaust passage discharges the exhaust gases that are produced above idle to the body of water through the housing unit. The idle exhaust passage discharges the exhaust gases that are produced during idle to the atmosphere. The intermediate member defines a portion of the main exhaust passage and a portion of the idle exhaust passage. The intermediate member forms a recessed area in the main exhaust passage portion. The idle exhaust passage communicates with the main exhaust passage portion at the recessed area.
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