APEX SEAL FOR ROTARY INTERNAL COMBUSTION ENGINE
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Oct 13, 2011
filing date -
Jul 28, 2011
priority date (Note) -
Abandoned
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Abstract
A rotor of a rotary internal combustion engine including apex springs each being formed of a continuous band including first and second opposed end sections each contacting the inner surface of the apex seal adjacent to a respective one of the end faces, a respective intermediate section extending radially inwardly from each end section and contacting the outer surface of the groove along a respective contact zone, and a central section extending axially between the intermediate sections and having a portion extending radially outwardly from each of the intermediate sections, the central section extending out of contact with both the outer surface of the groove and the apex seal.
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