VALVE APPARATUS HAVING A DOUBLE-OFFSET SHAFT CONNECTION
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United States of America Patent
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Issued Date -
Aug 30, 2012
app pub date -
Feb 24, 2011
filing date -
Feb 24, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Valve apparatus having a double-offset shaft connection are described herein. An example flow control member includes a sealing surface to move relative to a seal where the flow control member has a first axis and a second axis substantially perpendicular to the first axis and the first and second axes intersect a center of curvature of the sealing surface. The flow control member also includes an opening to receive a shaft where the opening has a third axis passing through the opening to define a pivot about which the sealing surface rotates. The third axis is offset from the first and second axes.
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