In one aspect the present disclosure relates to an in-wheel tire pressure system for use with a rim of a wheel of a vehicle. The system may comprise a fluid storage area formed in the rim for holding a quantity of compressible fluid suitable for inflating a tire mounted on the rim, and a micro-compressor mounted on the rim for pressurizing the fluid storage area with the compressible fluid. A wireless electrical charging subsystem may also be included for powering the micro-compressor. The wireless electrical charging system may incorporate a first component associated with the rim and rotatable with the rim, and a second component fixedly mounted to a portion of the vehicle closely adjacent the first component. The system may also include a control for enabling user control over the micro-compressor.

A load-based tire inflation system for a heavy-duty vehicle comprises at least one source of fluid pressure, suspension structure of the heavy-duty vehicle, a tire and wheel assembly and a system to control fluid pressure in the tire and wheel assembly. The suspension structure is located between a frame member and an axle and has a condition indicative of a weight of the heavy-duty vehicle. The tire and wheel assembly is operatively mounted to the axle and is in fluid communication with the source of fluid pressure. The control system controls fluid pressure in the tire and wheel assembly in response to the condition of the suspension structure.

A control system for a motor vehicle includes a central tire inflation system (CTIS) electronic controller, the CTIS controller being configured to control the CTIS to cause inflation and deflation of one or more tires, the CTIS controller being configured to receive electronic signals indicative of current vehicle speed and tire pressure, and to generate a cumulative tire wear indicator value indicative of a cumulative amount of wear suffered by a tire at a given moment in time, the CTIS controller being configured to automatically set the cumulative tire wear indicator value to a predetermined datum value in dependence at least in part on a determination by the CTIS controller that a tire has been changed.

A control system for a motor vehicle includes a central tire inflation system (CTIS) electronic controller, the CTIS controller being configured to control the CTIS to cause inflation and deflation of one or more tires, the CTIS controller being configured to cause the CTIS to operate in a selected one of a plurality of operating modes in each of which the system is configured to set a pressure of one or more tires of the vehicle to a predetermined tire pressure value, the CTIS controller being configured to receive data indicative of a type of tire fitted to the vehicle, the controller being configured to prevent operation in a predetermined at least one of the plurality of operating modes in dependence on the data indicative of tire type.

A method for making available a ballasting proposal for an agricultural tractor includes providing an implement for the tractor, calculating a target tractive power for the implement for each axle of the agricultural tractor, and deriving a target value for an axle load to be maintained on each axle based upon a function of the calculated target tractive power. The method further includes determining an actual axle load on each axle, comparing the target value to the actual axle load, calculating an axle ballasting value based on a result of the comparing step required to maintain the target valve, and outputting the ballasting value.

The present invention concerns a process and a device of control and regulation of the pressure of tyres, in particular for agricultural use, apt to ensure the adaptation of the footprint of a tyre to changes in the load applied thereto, comprising the following steps: measuring the pressure of the tyre, measuring the footprint or the deflection of the tyre, determining a calculated value of footprint or of deflection in function of said optimum value of pressure, said calculated value of footprint or of deflection being determined by means of a correlation, based on experimental data, of values of pressure, footprint or deflection and applied load,
if said calculated value of footprint or of deflection is different from respectively said measured value of footprint or of deflection: modifying the pressure of the tyre to reduce the difference between said measured value of pressure and said optimum value of pressure.

A track system for use with a vehicle includes an attachment assembly connectable to the chassis of the vehicle having a multi-pivot assembly having a first pivot extending longitudinally and defining a roll pivot axis, and a second pivot extending laterally and defining a pitch pivot axis. A frame assembly is disposed laterally outwardly from the attachment assembly and connected thereto. The frame assembly includes at least one wheel-bearing frame member. The track system further includes at least one actuator connected between the attachment assembly and the frame assembly for pivoting the frame assembly about the roll pivot axis, a leading idler wheel assembly, a trailing idler wheel assembly, at least one support wheel assembly, and an endless track.

A control apparatus and method for varying tire pressure can improve fuel efficiency, energy efficiency, and driving performance by applying a bimetal to a rim portion of a wheel, inducing deformation of the bimetal by applying current to the bimetal according to conditions such as driving information and road information, and individually controlling air pressures of four tires of the front and rear wheels through the deformation of the bimetal.

The technology disclosed herein relates to a system for the efficient capture and storage of carbon dioxide from a vehicle's exhaust while in transit. The system includes an apparatus for extracting the carbon dioxide from an exhaust gas and passing it to a compressor or carbon dioxide management system. The system then compresses the carbon dioxide and determines if a tire has capacity for the carbon dioxide. The tire has a carbon dioxide chamber and an external air chamber. If the carbon dioxide air chamber has capacity, the compressor will supply compressed carbon dioxide into the carbon dioxide chamber. Upon arrival at an external storage location, the carbon dioxide stored in the tires are able to be extracted and supplied to the external storage location.

A traveling device includes a pneumatic tire mounted on a vehicle, an air pressure adjusting device that adjusts air pressure of the pneumatic tire, and an air pressure control device that increases the air pressure to be higher than a recommended inflation pressure when travel speed of the vehicle is not more than a designated speed.