Mushroom valve with forced fluid cooling, in particular for an internal combustion engine
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United States of America Patent
Stats
-
Apr 21, 1981
Grant Date -
N/A
app pub date -
Sep 25, 1979
filing date -
Oct 25, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve, in particular for an internal combustion engine, of the mushroom type cooled by forced circulation of a cooling fluid, comprising a valve stem having at least two longitudinal cooling passage-ways and a valve head being provided with a substantially peripheral cooling passage-way extending in a substantially parallel plane to the lower plane surface of the head and with at least two substantially radial passage-ways connecting the said longitudinal passage-ways to the said peripheral passage-way, wherein said passage-ways provided in the said valve head are constituted by rectilinear passage-way lengths extending from the periphery of said head and opening outwardly, said peripheral passage-way being in the shape of a polygon, and said rectilinear passage-ways are obturated at their outward opening.
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