Variable roller valve system for internal combustion engine
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United States of America Patent
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-
Aug 12, 1997
Issued Date -
N/A
app pub date -
Feb 8, 1996
filing date -
Aug 26, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dynamic seal for containing gas flow between a roller valve and a cylinder in an internal combustion engine. Vents from the cylinder cavity allow pressure therefrom, particularly on the compression and power strokes, to exert a force against the back of a seal recessed into the outside of the engine block around a cylinder gas port. The force compresses the seal tighter against the roller valve.
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