Throttle valve actuating apparatus for use in internal combustio

Details Throttle valve actuating apparatus for use in internal combustio Throttle valve actuating apparatus for use in internal combustio

1994-04-12

1996-04-23

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

251337, F02D 902

Patent

active

055093965

ABSTRACT:
In a throttle valve actuating apparatus, a return spring member is arranged between one side face of a throttle valve main body and an acceleration drum member. The return spring member includes two coil spring members. One collar member is arranged at a side of a throttle valve main body, and another collar member is arranged at an acceleration drum member. The two collar members are provided directly and independently surrounding a throttle valve shaft and are set for positioning the shaft. The movement of the return spring member is restrained by the two collar members. The return torque due to the return spring member can be transmitted smoothly.

REFERENCES:
patent: 5168852 (1992-12-01), Moriguchi et al.
patent: 5269273 (1993-12-01), Yasuda et al.

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