Straddle type vehicle having an electronic throttle valve...

Details Straddle type vehicle having an electronic throttle valve... Straddle type vehicle having an electronic throttle valve...

2008-01-15

2008-01-15

Argenbright, T. M (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S400000, C180S219000

Reexamination Certificate

active

07318410

ABSTRACT:
An electronic throttle valve system more suitable for use in straddle type vehicles. A straddle type vehicle has an electronic throttle valve system for adjusting the amount of intake air to an internal combustion engine. The electronic throttle valve system includes a throttle valve, an electric motor and a control unit. A guard mechanism is provided on a valve shaft of the throttle valve. The guard mechanism includes a pulley with which the throttle cable is engaged and a lever pulley which rotates in conjunction with the opening of the pulley. A cushion spring is provided on an edge face of a notched portion of the lever pulley, the edge face generally coming into contact with a protrusion that extends from the valve shaft of the throttle valve.

REFERENCES:
patent: 5297521 (1994-03-01), Sasaki et al.
patent: 5447133 (1995-09-01), Kamio et al.
patent: 5778853 (1998-07-01), Saito
patent: 7163000 (2007-01-01), Ishida et al.
patent: 2005/0211220 (2005-09-01), Matsuda
patent: 2002-106368 (2002-04-01), None

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