Patent ID: 7316216

Claim:
A throttle valve adjusting device for combustion engines, comprising: a valve housing; a valve connected to a valve shaft, via which the valve is pivoted in the valve housing at least on one side; and a drive unit comprising i. at least one electric motor and a reduction gear operably connected to drive the valve; and ii. a sensor for reporting a position of valve adjustment of the valve, wherein at least the reduction gear is arranged in a first housing that comprises a contact plate fixed to the valve housing and a cover closing the first housing, wherein the electric motor is arranged outside the first housing and outside the valve housing, wherein the electric motor is open on one side and is arranged in a pole tube, and the pole tube has a first open end directed towards a drive gear end of a drive shaft of the electric motor, and the first open end is plugged on an annular shoulder of the contact plate running axially so as to close the first open end, and the pole tube has a second closed end arranged at least indirectly in a bearing block of the valve housing, wherein the drive shaft of the electric motor is supported on one side in the contact plate and on an other side in a bearing position at the second closed end of the pole tube, and wherein the pole tube simultaneously serves as a housing of the electric motor.