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A throttle valve position sensor in which a non-contacting, magnetic field sensor is coupled to or integral with a gear wheel of a geared throttle valve control. The sensor provides a more durable sensor. Sensor circuitry can be provided on the lid of the control, along with control motor electrical

A throttle valve position sensor in which a non-contacting, magnetic field sensor is coupled to or integral with a gear wheel of a geared throttle valve control. The sensor provides a more durable sensor. Sensor circuitry can be provided on the lid of the control, along with control motor electrical connections, so that the sensor and control motor can be connected by simple joining in a single operation. The throttle control valve is intended for internal combustion engines for motor vehicles.

대표청구항 ▼

[ What is claimed is:] [1.]1. A throttle assembly having a throttle valve position sensor for use with a throttle control valve having a throttle valve shaft rotatably supported in a throttle housing and positionable by a control motor through a geared transmission, the throttle assembly comprising:

[ What is claimed is:] [1.]1. A throttle assembly having a throttle valve position sensor for use with a throttle control valve having a throttle valve shaft rotatably supported in a throttle housing and positionable by a control motor through a geared transmission, the throttle assembly comprising:a) a gear, fixed to the throttle valve shaft;b) a first tapered magnet mounted to the gear and extending perpendicularly to the shaft;c) a second tapered magnet extending parallel to and spaced from the gear and the first magnet and coupled to the shaft; andd) a flux density sensor, located between the first and second tapered magnets, for sensing a flux density indicative of a rorational position of the first and second tapered magnets in response to the throttle valve shaft rotation, the first and second tapered magnets adapted to create a variable magnetic field, the magnitude of the variable magnetic field being proportional to the rotational position of the gear.