Apparatus for actuating a throttle valve in internal combustion

Details Apparatus for actuating a throttle valve in internal combustion Apparatus for actuating a throttle valve in internal combustion

1990-02-12

1991-01-08

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

F02D 700

Patent

active

049827111

ABSTRACT:
An apparatus for actuating a throttle valve secured on a throttle valve shaft in internal combustion engines has an adjusting lever which is seated in a manner fixed against relative rotation on the throttle valve shaft and is actuatable by a pivot lever on the one hand, and on the other, when the pivot lever is stationary, by an electromotive throttle valve adjuster. With a pivot lever bush, the pivot lever is seated on a split taper socket secured to the throttle valve shaft. For restoring the adjusting lever, a decoupling spring is provided, which is disposed on a split guide sleeve surrounding the pivot lever bush and is braced, with its tangentially offstanding spring ends, on the pivot lever and adjusting lever. To avoid friction losses in the rotation of the adjusting lever relative to the fixed pivot lever, the split taper socket protrudes axially on the swivel lever bush, and one sleeve part of the spring guide sleeve is secured to the split taper socket in the protruding region.

REFERENCES:
patent: 4579017 (1986-04-01), Nusser
patent: 4616518 (1986-10-01), Nusser
patent: 4655180 (1987-04-01), Bauer et al.
patent: 4721176 (1988-01-01), Kabasin et al.
patent: 4809659 (1989-03-01), Tamaki et al.
patent: 4850322 (1989-07-01), Uthoff et al.
patent: 4869220 (1989-09-01), Iondehl
patent: 4915074 (1990-04-01), Arai

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