Water flow limiting system for a boat including a water flow limiting plate positioned relative to propeller shaft and propeller of a boat for limiting water flow to the propeller
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United States of America Patent
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Nov 19, 2013
Grant Date -
Jun 3, 2010
app pub date -
Nov 21, 2009
filing date -
Nov 25, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A water flow limiting system for a boat including a water flow limiting plate, a coupling mechanism and a controllable bite ram. The water flow limiting plate is positioned below the propeller shaft and forward of the propeller for limiting water flow to the propeller. The coupling mechanism is provided for steering the water flow limiting plate relative to the boat. The coupling mechanism may be a mounting mechanism which maintains the flow limiting plate generally aligned with the propeller shaft, or it may be a steering mechanism which steers the flow limiting plate relative to the propeller shaft. The controllable bite ram controls vertical displacement of the flow limiting plate relative to the propeller shaft. A propeller guard system positioned above the water flow limiting plate may be included. A cooling coil may be affixed to the water flow limiting plate.
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