Piston spray nozzle
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United States of America Patent
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Jun 23, 2009
Grant Date -
Jan 24, 2008
app pub date -
Nov 28, 2005
filing date -
Nov 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a piston spray nozzle (12, 112) for cooling a piston (10) of a combustion engine by means of a liquid jet (20, 120) that is directed to a cooling chamber (14) of the piston (10). According to the invention, a member (16, 116) that has an approximately round cross-section and provides the discharged liquid jet (20,12) with a substantially tubular shape is disposed in the center of the discharge port (15, 115) of the piston spray nozzle (12, 112). The inventive piston spray nozzle delivers a directed, laminar liquid jet who shape remains essentially the same until the jet hits the cooling area (14).
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