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(11) | EP 1 731 737 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
Note: Bibliography reflects the latest situation |
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(54) | Throttle body for two-wheeled vehicle |
(57) A throttle valve shaft (3) is arranged across a suction air passage (2) of a throttle
body (1), and the suction air passage (2) is opened and closed by a throttle valve
(4) attached to the throttle valve shaft (3) . A discharge open hole (5) and a fuel
spray escaping hole (7) are continuously provided toward a suction air passage (2a)
in a downstream side than the throttle valve (4), and longitudinal axes (X-X) of the
respective throttle valve shafts (3,3) are coaxially arranged as well as a plurality
of throttle bodies (1) are arranged in a side direction. An engine side mounting pipe
sleeve (10) formed in an outer periphery of the downstream side suction air passage
(2a) including at least the fuel spray escaping hole (7) and the engine side end surface
(1a) is formed in an oval shape or an elliptic shape, and short axis portions (10a)
of the oval shape or the elliptic shape are arranged along the longitudinal axis (X-X)
of the throttle valve shaft (3).
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