Throttle valve body with a tapered channel on one side of its axis and a tapered flap on the opposite side thereof
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United States of America Patent
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-
Apr 11, 2000
Grant Date -
N/A
app pub date -
Nov 13, 1998
filing date -
Nov 22, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A throttle valve body (1) including a flap (6) of which the side pivoting down or up on opening has a shoulder (17) on the flap surface facing upwards or downwards, respectively, defining a gradually widening cross-sectional area with the cylindrical (7) or frusto-conical (9) wall opposite the intake channel (3) through the housing (2). The side of the flap (6) which rotates up or down, respectively, on opening consists of a flat half disk of which the edge is , at first, opposite a tapered surface portion (14) with a complex shape to define a gradually widening cross-sectional area downstream from an inlet convergent (15,12) and upstream from an outlet divergent, respectively.
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Cited Art Landscape
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