There is provided a computerized system comprising a processing unit and associated memory configured to obtain a three-dimensional dataset informative of at least part of a tread of a tire, and determine, using the three-dimensional dataset, data informative of tread depth of the tire.

A hand-held device for obtaining a three-dimensional topological surface profile of a tire, the device comprising: a base comprising an aperture; a light source arranged in use to generate an elongate pattern of light, and to project said pattern through the aperture onto a rolling surface of the tire; a detector arranged to image a region of the rolling surface of the tire; a plurality of pairs of guide wheels mounted on respective axles mounted on the base, wherein the guide wheels on adjacent axles are linked by gears; and a rotary encoder arranged to generate a signal corresponding to rotation of an axle.

This present invention relates to a system and method using a computer implemented wheel fit application for calculating/determining and displaying aftermarket wheel size and tire size for automobiles and vehicles. The computer implemented application is compatible with any smart device, including smart phones, laptops, multiple computer operating systems, and tablets. The application displays drop-down menus for a vehicle's year, make, model, and trim enabling a user to select a vehicle and as a result displays appropriate or compatible aftermarket wheel and tire sizes. The application allows users to purchase correct (i.e. compatible) sized tires and wheels and obviates returning and exchanging of incompatible sized tires and wheels.

A method of manufacturing a test tire and a method of setting a tread removal shape include, moving an outline of a tread surface to set a remaining groove outline, setting a point B at the intersection of a line segment extending radially from a point A, on the tread surface at a position corresponding to 70% to 80% of the tread width, and the remaining groove outline, setting the remaining groove outline farther inward than point B as a first removal reference line, setting a line passing through point B and a point L, where a straight line yielded by a tangent to the tread surface at point A being translated to point B as a second removal reference line, and removing a portion of the tread, with reference to a tread removal shape defined by the first removal reference line and the second removal reference line.

Disclosed is an automobile tire burst simulation experiment device, which is fixed on a rim installed with an automobile tire. The automobile tire burst simulation experiment device comprises a pre-tightening triggering device, a retracting device, a storage battery and a controller, the tire burst simulation experiment device according to the present invention uses two drive motors to drive two sets of roller screw slide rails, so as to drive the breakdown device away from and close to the tire to achieve a simulated tire burst and rapid deflation. The experiment device has the characteristics of quick installation, low cost, strong versatility, and adjustable speed; the device can be applied to the tire burst experiment under different vehicle speeds and road conditions of various automobile models. The structure is simple and the simulation control accuracy is high. After the tire burst, the subsequent experiments of the vehicle are not affected.

A method of operation of a computer system comprising: receiving a tire image for a target tire; determining an analyzability for the target tire based on a wear model including the tire image; analyzing a wear level for the target tire based on the analyzability meets or exceeds a usable threshold; generating an augmented reality image for the wear level for the target tire; and communicating the augmented reality image for displaying the wear level for the target tire.

A method and system for customizing vehicle tires based on a purchase order placed by a customer is disclosed. The customer is enabled to place the purchase order through one of a local store, a mail order and an online website. While placing the purchase order, the customer is enabled to provide the requirements regarding the color shade, areas to be colored etc., based on the color of the vehicle. The color shade in the purchase order is any one of primary colors or shades obtained by mixing primary colors excluding black. Once the purchase order is received, the color of the vehicle tires is customized based on the requirements provided by the customer.

A vehicle service system having a means for acquiring images of a three-dimensional region of a vehicle wheel assembly tire tread surface. The vehicle service system is configured to process the acquired images to produce a collection of data points corresponding to the spatial position of surface points in the region from which tire tread wear characteristics are identified. The acquired images are further utilized to provide both a graphical and a numerical display to an operator, with the numerical display linked to specifically annotated or indexed points or windows within the graphical display, thereby enabling an operator to quickly identify specific focus points or regions on the tire surface which have been measured at the numerically identified tread depths.

A design method for an outer contour structure of a tire capable of reducing tire wind resistance, including the following steps: step 1, establishing an initial tire model; step 2, building an tire aerodynamic drag calculation model; step 3, designing a testing scheme using tire five contour parameters; step 4, building a function relationship between tire five outer contour parameters and an aerodynamic drag coefficient values, and verifying the accuracy of the function relationship; and step 5, obtaining tire five outer contour parameters when the aerodynamic drag coefficient value is smallest by using an optimization algorithm. The design method effectively avoids the blindness problem in the design process of the tire outer contour structure and can effectively reduce the design cycle number of the tire outer contour structure, thereby improving the improvement efficiency, meanwhile, it is benefit to reduce tire aerodynamic drag and improve vehicle economy and reduce harmful emissions.

A method of modeling a tire includes providing a tire having a first tire design, rotating the tire under a vertical load, and measuring a plurality of forces at a plurality of selected conditions. The method further includes using a computer to plot the plurality of forces against the plurality of conditions, using the computer to plot a plurality of moments against the plurality of conditions, and using the computer to fit a first force curve to the plurality of plotted forces at the plurality of conditions, such that the first force curve is asymmetric. The method also includes using the computer to fit a first moment curve to the plurality of plotted moments at the plurality of conditions, evaluating the first force curve and the first moment curve, and making a second tire design based on the evaluation of the first force curve and the first moment curve.