Exhaust cooling device for small sized boat engine
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United States of America Patent
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-
Nov 26, 1991
Grant Date -
N/A
app pub date -
Sep 26, 1989
filing date -
Sep 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A small watercraft embodying an improved exhaust system that is substantially completely watercooled by a cooling jacket. The exhaust system includes an elastic joint that is also completely surrounded by the cooling jacket so as to insure adequate cooling under all running conditions. A damming arrangement is incorporated so as to insure that all of the exhaust portions being cooled will be completely encircled with cooling water even when low amounts of water are being circulated and a drain system is also provided so as to insure that the cooling jackets will be drained when the watercraft is removed from a body of water.
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