Throttle device

Details Throttle device Throttle device

2009-08-25

2011-10-25

Solis, Erick (Department: 3747)

Internal-combustion engines

Engine speed regulator

Specific throttle valve structure

C123S399000, C251S305000

Reexamination Certificate

active

08042515

ABSTRACT:
A compact throttle device with a short air intake pipe length. A throttle device includes: throttle bodies that define air intake paths; throttle valves that are disposed in the air intake paths and adjust the air flow rate in the air intake paths; a throttle shaft that rotatably supports the throttle valves; a motor that rotates the throttle shaft; and a gear that connects the throttle shaft to the motor. A pin is provided as a protrusion on the peripheral surface of the throttle shaft. The gear externally fitted and fixed to the throttle shaft has, on a fixing ring that is externally fitted to the throttle shaft, a housing groove for housing the pin, the housing groove being impelled against the pin by a spring.

REFERENCES:
patent: 6923157 (2005-08-01), Torii et al.
patent: 7493888 (2009-02-01), Ikegawa
patent: 2001/0037794 (2001-11-01), Wayama et al.
patent: 2004/0187844 (2004-09-01), Torii et al.
patent: 2007-023859 (2007-02-01), None

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