Motor actuator and tandem valve type throttle body using the...

Details Motor actuator and tandem valve type throttle body using the... Motor actuator and tandem valve type throttle body using the...

2006-07-26

2008-08-19

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having plural throttle valve structure

C123S399000, C310S083000

Reexamination Certificate

active

07412964

ABSTRACT:
To make compact a motor actuator and a tandem valve type throttle body preferably for two-wheeled vehicles, a gear portion (G) and a motor (M) are arranged in an actuator case constituted by a gear case (2) and a motor case (1), the gear portion (G) is formed by a motor gear (G1), an intermediate gear (G2) consisting of a small-diameter gear (G22) and a large-diameter gear (G21) in parallel, and an output gear (G3), the motor (M) protrudes into the gear case (2) and is near the large-diameter gear (G21), an actuator support boss (6a) of a throttle body (6) is inserted into a throttle body insertion hole (id) a protruding end portion (9a) of an auxiliary throttle valve shaft (9) is inserted into a connection hole (G3a), and a mounting boss (5) is screwed to the throttle body (6) via a mounting hole (4).

REFERENCES:
patent: 5669843 (1997-09-01), Bolton et al.
patent: 6912994 (2005-07-01), Ozeki et al.
patent: 6923157 (2005-08-01), Torii et al.
patent: 2003-083171 (2003-03-01), None

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