Butterfly valve type throttle valve of internal combustion engine

A throttle valve of the invention includes a clearance closing member provided along a peripheral edge of a valve body displaceably and elastically deformable in a direction extending along an axis of an intake passage, a direction perpendicular to the axis of the intake passage, and a direction inc...

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Bibliographic Details
Main Authors Bessho, Takashi, Fujimori, Makoto, Suzuki, Takio, Suzuki, Shigeru
Format Patent
LanguageEnglish
Published 01.12.2009
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Summary:A throttle valve of the invention includes a clearance closing member provided along a peripheral edge of a valve body displaceably and elastically deformable in a direction extending along an axis of an intake passage, a direction perpendicular to the axis of the intake passage, and a direction inclined with respect to the axis of the intake passage, for closing a clearance between the peripheral edge of the valve body and an inner wall surface of the intake passage.