EXHAUST GAS RECIRCULATION VALVE
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Feb 14, 2013
filing date -
Mar 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A valve that constitutes part of an exhaust gas recirculation valve is connected to a shaft, such that the valve is rotatable together with the shaft in the interior of a main body. An outer peripheral surface of the valve is formed in a substantial spherical shape, the axis (center of curvature) of the valve and the axis of the shaft being arranged eccentrically by a predetermined distance along a flow direction of the exhaust gas. In addition, a percentage between the eccentric distance between the center of curvature of the valve and the axis of the shaft, and the diameter of a gas inlet port of the main body into which the exhaust gas flows is 5.5% or greater.
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