Multi-valve engine
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United States of America Patent
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Sep 10, 1996
Grant Date -
N/A
app pub date -
Sep 30, 1994
filing date -
Sep 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved air spring arrangement for an internal combustion engine having three valves per cylinder which are disposed in surrounding relationship to a spark plug. The air spring arrangement is formed by a recess formed in the cylinder head that encompasses each of the valve stems and an insert piece that is inserted into this recess and which defines the bores for the respective air chambers. The supply and relief passages for the air chambers are formed in the insert piece by drilled passages which have a V-shaped configuration to provide a more compact assembly and a less complicated cylinder head arrangement.
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