Asymmetric oval piston with higher convexity thrust face
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United States of America Patent
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-
May 23, 1989
Grant Date -
N/A
app pub date -
Jul 7, 1986
filing date -
Jul 12, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pistons are described having oval polar profiles or both oval polar profiles and axial profiles machined to asymmetric curvatures about the plane which includes both the piston axis and the minor axis over at least a part of the skirt length, the asymmetry of the polar profile comprising a greater convexity about the major axis on the thrust face over at least part of the axial length of the skirt region.
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