Variable center pivot tumble control valve geometry for an intake manifold
作者： Thomas R. Peffley , Keith A. Confer , Ian R. Jermy
DOI:
关键词: Cavity wall 、 Inlet manifold 、 Closed position 、 Edge (geometry) 、 Geometry 、 Control valves 、 Flange 、 Arc (geometry) 、 Materials science 、 Blade (geometry)
摘要: A tumble control valve (10) for an intake manifold (12) of engine which eliminates or substantially reduces air leakage between the bottom (28b) and sides (28c) blade (28) through a selected rotational segment (50) as it moves from closed position (FC) toward open (FO). The sealed area (SA) is maintained by contouring inner cavity (26) wall to track arc defined edge rotating (28). In other embodiments, flexible flange (30) wedge-shaped element (34) attached engage (50). another aspect invention, flow pressure optimized compared movement top surface (24a) upper (28a)
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