Robert Boschgmbh

Walter Heinrich

Ket Seng Koh

Michael Roelleke

Robert Kaster

Marian Keck

Martin Koegel

Andreas Kurz

Helmut Binder

Thomas Loebe

Andrew Bates

Florin Gruianu

Matache Rusu

Ket Koh

A vehicle wheel monitoring device includes a tire pressure monitoring unit, a tire pressure sensor unit disposed at a wheel of the vehicle and a brake pad wear sensor unit disposed at a wheel of the vehicle. The brake pad wear sensor unit includes a brake pad wear sensor and a wireless transmitter configured to receive the signal emitted from the brake pad wear sensor and wirelessly transmit it to the tire pressure monitoring unit. An energy harvesting device is configured to convert energy derived from an external source into electrical power, and to provide the electrical power to the brake pad wear sensor unit and the transmitter. The brake pad wear sensor unit and the tire pressure sensor unit are monitored by the tire pressure monitoring unit.

Brake pad wear sensor with wireless data transmission

An integrated monitoring system for a vehicle including a brake pad wear sensor and a wheel speed sensor. A wheel speed sensor signal line is connected between the wheel speed sensor and an electronic control unit. A wheel speed power line is connected between the wheel speed sensor, the brake pad wear sensor, and the electronic control unit. The electronic control unit is configured to monitor the wheel speed sensor signal line for a signal indicative of a wheel speed and monitors the wheel speed power line for a signal indicative of a brake pad condition.

Integrated wheel speed and brake pad wear monitoring system

A wheel speed sensor includes an electromagnetic sensor having an electromagnetic sensor head disposed at a distal end thereof and a flange acting as a sensor support. The electromagnetic sensor head includes a magnet and an integrated circuit for sensing movement of a tone ring formed of magnetic attractive material. A sensor interface disposed at the distal end of the electromagnetic sensor is mechanically secured to a flange interface of the flange. The sensor interface can include outwardly projecting opposing tabs on opposing sides of the electromagnetic sensor head that are received by opposing apertures in parallel, spaced projecting arms that form the flange interface. In another arrangement, the sensor is inserted into an opening defined in the flange, and a retainer element is inserted into a slot formed on the electromagnetic sensor head such that the sensor cannot be extracted from the opening. The flanges are either annular and have an aperture for receiving a wheel shaft, or they have bushings for receiving a fastener to secure the wheel speed sensor to a vehicle.

Wheel speed sensor

Growing community of inventors

Novi, MI, United States of America

Walter Heinrich