Tyre (1) comprising a monitoring device (10) comprising an electronic unit (11) comprising a sensor for detecting at least one of the following physical quantities: temperature, pressure, acceleration, deformation; a processing unit; a transceiver; an electric power supplier (12) having a housing body (50), a first pole (22) and a second pole (24); an electric circuit (18) for connecting the two poles (22, 24) to the electronic unit (11); a flexible support (13) on which the electronic unit is fixed (11), wherein the housing body (50) is fixed onto the flexible support (13) at a first face (23), wherein the monitoring device (10) comprises a tab (26) integral with the flexible support (13) and folded so that a portion (27) of the tab is fixed to a second face (25) of the housing body (50), and wherein the electric circuit (18) comprises a connecting track (28) extending along the tab (26) up to electrically contact the second pole (24).

Received acceleration or motion information are analyzed and when the analysis of this information indicates that motion or acceleration is detected, received burst patterns from the other sensors are analyzed. Based upon analyzing the detected burst patterns from the other sensors, a first burst pattern is selectively altered to transmit according to a single communication format, the single format being for a single vehicle manufacturer.

A tire attaching position detection system is provided which can suppress influence by an intensity of a reception signal from a tire. In the system, a sensor unit is mounted on each tire, the sensor unit has a geomagnetic sensor for acquiring data on direction change of the tire, a distortion sensor for acquiring data on number of rotations of the tire and a transmitting part for transmitting the direction change data and number of rotations data of the tire. A calculation part of a user terminal judges the attaching position of each tire based on the direction change data and the number of rotations data of each tire transmitted from the transmitting part.

A measurement device for measuring the pressure of a wheel (3) of a vehicle, the measurement device comprising a stationary portion (5) and a movable portion (14) for being driven in rotation by the wheel, the stationary portion including a first printed circuit (7) having at least one first track formed thereon defining a first winding, the movable portion including a second printed circuit (16) having at least one second track formed thereon defining a second winding, the second printed circuit being arranged to be connected to a pressure sensor (15), the first winding and the second winding being coupled together to form a wireless communication channel, the measurement device being arranged in such a manner that the pressure sensor is electrically powered by the stationary portion via the wireless communication channel, and in such a manner that uplink data comprising pressure measurement data is transmitted to the stationary portion (5) by the movable portion (14) via the wireless communication channel.

A wear amount estimation method calculates a shearing force of each rib based on an average grounding pressure of each rib of an aircraft tire; calculates a wear energy of the aircraft tire based on the shearing force; and estimates the wear amount of the aircraft tire based on the wear energy and a wear resistance showing a relationship between a predetermined wear amount. The information related to the aircraft includes an internal pressure of the aircraft tire. The average grounding pressure of each rib is calculated based on the internal pressure and a wheel load applied to the aircraft tire.

An arithmetic model generation system includes a tire information acquisition unit, a position information acquisition unit, a wear amount calculator, and an arithmetic model update unit. The tire information acquisition unit acquires tire data including a temperature and pressure of a tire. The position information acquisition unit acquires position data for a vehicle on which the tire is mounted. The wear amount calculator includes an arithmetic model that generates an estimated wear amount of at least one groove of the tire, the wear amount calculator calculating the estimated wear amount of at least one groove of the tire by using the arithmetic model by inputting the tire data and the position data. The arithmetic model update unit updates the arithmetic model based on a wear amount measured by a tire measurement device external to the vehicle and the estimated wear amount.

A method for estimating the load of a tire supporting a vehicle includes providing the tire, in which the tire includes a pair of sidewalls extending to a circumferential tread, and the tread includes a plurality of tread blocks. A length of the tire footprint is indicated with a first time interval, and a full rotation of the tire is indicated with a second time interval. The first time interval may be indicated by peaks of an amplitude of a tire-based magnetic sensor signal, and the second time interval may be indicated by peaks of the amplitude of the tire-based magnetic sensor signal or by a linear speed of the vehicle. The load on the tire is determined from a ratio of the first time interval to the second time interval at an inflation pressure of the tire. A tire load estimation system is also provided.

Disclosed herein is an indirect tire pressure monitoring apparatus including a wheel speed sensor installed in each wheel to detect a wheel speed, and a controller electrically connected to the wheel speed sensor, wherein the controller determines a decompression determination indicator according to the wheel speed detected by the wheel speed sensor, determines a turning compensation amount for turning compensation of the decompression determination indicator, compensates the decompression determination indicator based on the turning compensation amount, and determines whether the tire is decompressed based on the compensated decompression determination indicator.

A pressure sensing assembly configured to be attached to a bicycle wheel having a tire and a rim mounted to the tire. The pressure sensing assembly includes a housing, a pressure transmitting member, a sensing chamber defined by the housing and the pressure transmitting member, and a sensing element. The pressure transmitting member is coupled the housing and has a central portion offset from the plane in a first direction. The sensing element is offset from the plane in a second direction opposite the first direction. The pressure transmitting member is configured to transmit a pressure in the tire to the sensing element via the sensing chamber.

A tire system is configured to enable a general-purpose communication device to establish data communication with a tire-side device, thereby enabling transmission of data indicating a tire-related condition from the tire-side device to the general-purpose communication device. The general-purpose communication device acquires the tire-related condition, and reports the tire-related condition to the user via a notification unit. Based on the above, it is possible to report the tire-related condition via the general-purpose communication device based on the communication between the general-purpose communication device and the tire-side device.