Phoenix America Inc.

Dana Corporation

Xolox Corporation

John M Kaste

William F Bleeke

James Alden Beverly

Daryl J Stacer

Gerard O McCann

A position encoder comprising a cylindrical rotor; first and second magnetic poles having opposite polarity helically disposed about the inner or outer diameter of the rotor; first and second Hall sensors disposed within a distance suitable for the Hall sensors to detect the magnet poles.

Multipole magnet for use with a pitched magnetic sensor

A tire inflation system and wheel speed sensor system having a hollow shaft rotatable with a drive mechanism. The shaft extends into the hollow end of an axle. A angular velocity system rotates with the shaft within the hollow end of the axle. A sensor, mounted within the axle, senses the rotation of the angular velocity system. The hollow shaft is a conduit for air from an air source to at least one tire.

Tire inflation system and wheel sensor and method of use

A tunable magnetic device which includes a permanent magnet in the shape of a ring, an inner aperture, a tuning member, and a field sensor secured to the permanent magnet. The tuning member may be a ferrous or magnetic material and may be secured to a non-magnetic tuning device. The inner aperture is preferably small compared to the permanent magnet. The magnetic device provides a magnetic field that is sensitive to the proximity of a ferrous object and provides a tunable mechanism to locally balance the magnetic field where the field sensor is located.

Tunable magnetic device for use in a proximity sensor

A magnet device having a predetermined field profile has an elongated permanent magnet, having a longitudinal axis and a peripheral surface, magnetized diametrically with the direction of magnetization extending transversely to the longitudinal axis and rotating about at least a portion of the length of the longitudinal axis of the magnet. The rate of rotation is selected to provide a predetermined magnetic field profile as presented to a Hall effect device positioned a fixed distance from the peripheral surface of the magnet when relative movement between the Hall effect device and the permanent magnet occurs. The magnet is formed of a composite material which includes a magnetically isotropic permanent magnet powder adhered together by an adhesive non-magnetic binder.

Growing community of inventors

Fort Wayne, IN, United States of America

John M Kaste