Cooling sprayer with valve
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United States of America Patent
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-
Jul 14, 2009
Grant Date -
Sep 18, 2008
app pub date -
Mar 13, 2008
filing date -
Mar 16, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The internal combustion engine piston cooling sprayer comprises a sprayer body (1) with an axial through-passage (12) in which is fixed a tubular guide liner (4). The tubular guide liner (4) is fixed in the sprayer body (1) by its downstream section (4c), while its upstream section (4b) remains away from the wall of the axial through-passage (12), to allow the cooling fluid to flow. A valve (2) slides in an axial through-passage of the tubular guide liner (4), and is urged by a return spring (3) toward a main seat formed in the mass of the sprayer body (1). This produces a compact and reliable sprayer of relatively low cost.
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