Valve seat ring cooling apparatus
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United States of America Patent
Stats
-
Jun 10, 1986
Grant Date -
N/A
app pub date -
Mar 28, 1985
filing date -
Mar 31, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for cooling valve seat rings which are arranged in a cylinder head of an internal-combustion engine, the valve seat rings being surrounded by annular ducts through which a cooling medium can flow. For the forced circulation of the cooling medium in the annular ducts of the valve seat rings, a first guiding duct is connected to feeding lines of the annular ducts and to the output side of a pump and a second guiding duct is connected to discharge lines and to the intake side of the pump.
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Family
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