(19)
(11) EP 1 731 737 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
28.03.2007 Bulletin 2007/13

(43) Date of publication:
13.12.2006 Bulletin 2006/50

(21) Application number: 06115083.5

(22) Date of filing: 07.06.2006
(51) International Patent Classification (IPC): 
F02D 9/10(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK YU

(30) Priority: 07.06.2005 JP 2005166460

(71) Applicant: Keihin Corporation
Shinjuku-ku, Tokyo (JP)

(72) Inventor:
  • Kondo, Yasushi c/o Kawasaki Plant Keihin Corp.
    Nakahara-ku, Kawasaki-shi, Kanagawa (JP)

(74) Representative: Viering, Jentschura & Partner 
Steinsdorfstrasse 6
80538 München
80538 München (DE)

   


(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).