Trw Limited

Other

Albert Michael Straub

Timothy Dezorzi

George W McIver

David Leonard Juzswik

Barry Dunbridge

Kiran Ramanlal Magiawala

Frederic Nigon

Kamel Renault

Alain Ponsot

Robert Cheng

A tire monitoring method and apparatus is provided to predict tire tread separation for a tire on a wheel of a vehicle. This may involve monitoring a parameter of a tire of a vehicle over time and comparing information regarding the monitored parameter (over time) with a reference threshold value of the parameter (over time). The method may also include providing information to a driver based on the comparison. The parameter may be acceleration (axial, radial or longitudinal) along an axis of the tire. The parameter may also be tire imbalance, temperature inside the tire, speed of the tire, load and/or pressure, for example. Information regarding the comparison may be transmitted to a driver if the monitored parameter exceeds the reference threshold value for a predetermined amount of time.

Tire tread integrity monitoring system and method

An arrangement for provision of vehicle tire sensory information while a tire ( ) is mounted on a wheel rim ( ) of a vehicle. A sensor unit ( ) includes a tire condition sensor (e.g., electronics ), a signal transmitter ( ), and a housing ( ) that contains the sensor and the transmitter. The housing ( ) has a mounting hole. A stud ( ) is welded to the rim ( ) and extends into the space bounded between the tire ( ) and the rim ( ). The stud extends through the mounting hole of the sensor housing ( ). A retainer (e.g., ) extends between the sensor housing ( ) and the stud ( ) such that the sensor housing is held fixed relative to the stud.

Tire condition sensor unit mounting arrangement

An apparatus and method for testing units that are subject to rotational force, such as automotive tire-mounted units. The apparatus ( ) includes a rotational drive motor ( ), a rotating member ( ), and a drive interconnection ( ) operatively connected between the drive motor and the rotating member. The drive interconnection includes a first constant velocity joint ( ), a longitudinal spline interconnection ( ), and a second constant velocity joint ( ). The apparatus ( ) also includes a stationary motor mount ( ) fixed to the drive motor ( ), a test unit holder ( ) located on the rotating member, and a three-dimensional motion drive ( ) operatively connected to the rotating member ( ).

Apparatus and method for rotational testing of an object

An apparatus 10 mounts on a rim 11 of a vehicle wheel 13 on which a tire 12 may be mounted. The apparatus 10 comprises a tire pressure sensor 20, a first threaded fastener 30, and a tire valve stem 40. The tire pressure sensor 20 senses the pressure in the tire 12 and has a housing 21 with a pocket 22. The first threaded fastener 30 is mounted in the pocket 22 in the housing 21 and has a first threaded portion 31 extending along an axis 100. The first threaded fastener 30 and the housing 21 have surfaces 25, 26, 35 blocking rotation of the first threaded fastener 30 about the axis 100. The tire valve stem 40 projects through a first opening 17 in the rim 11 and through a second opening 27 in the housing 21 into the pocket 22. The tire valve stem 40 has a second threaded portion 41 for threaded engagement with the first threaded portion 31 upon relative rotation of the first 31 and second threaded portions 41 about the axis 100. The tire valve stem 40 and the first threaded fastener 30 clamp a part 21a of the housing 21 between the tire valve stem 40 and the first threaded fastener 30 when the first 31 and second 41 threaded portions are threaded together.

Tire pressure sensor wheel attachment apparatus

Growing community of inventors

Ann Arbor, MI, United States of America

Albert Michael Straub