Patent ID: 6283150
Filing Date: 2001-09-04
Classification: F02D,G01D,H02K,Y10T

Abstract:
An adjusting device for a throttle valve unit, comprising:a throttle valve;a throttle valve shaft;a throttle valve housing; anda Hall-effect angular rotation sensor device coupled with the throttle valve shaft, the Hall-effect angular rotation sensor device comprising:a stationary unit;a mobile unit moveable in relation to the stationary unit;a drive unit;a transmission positioned between the mobile unit and the drive unit; anda housing element that at least partially encloses the stationary unit, the mobile unit, and the transmission;wherein the transmission, the stationary unit, and the mobile unit are contained in a cap housing element;wherein the stationary unit includes at least two partial stator ring segments positioned at a distance from each other to leave an air gap and at least one stator distancing gap between them; andwherein the mobile unit includes a ring magnet contained in a toothed wheel segment of the transmission, the ring magnet being configured to move at least partially in the air gap.