4201results about "Tyre tread bands/patterns" patented technology

The invention relates to a pneumatic vehicle tire comprising a tread with profile positives delimited by grooves, including profile positives which are provided with sipes, which in plan view run at least in certain portions at an angle of 0° to 50° to the axial direction and have a width of 0.4 mm to 1.6 mm and a depth at the deepest point that is at least the profile depth reduced by 4.5 mm and at most 100% of the profile depth, with the sipes in each case being involved in forming at least one wear indicator. The wear indicator is formed by a sipe portion of the sipe which in plan view has the form of a sun symbol or a snowflake symbol.

The invention discloses a tire wear diagnosis method, device and equipment and a storage medium, and the method comprises the steps: generating a tire wear calculation model based on obtained key factors affecting tire wear, wherein the key factors comprise vehicle driving mileage, historical driving road condition information, driving habits, vehicle tire pressure and four-wheel positioning information; and calculating a current tire wear coefficient according to the tire wear calculation model, and diagnosing tire wear by using the current tire wear coefficient. The abnormal condition of tire wear can be effectively identified, a terminal client is reminded of the tire wear state of the vehicle, and the use safety of the vehicle tire is ensured.

A tire tread comprising a groove with a groove depth; a tread element adjacent to the groove; the tread element comprising a tread surface intended to engage a ground surface, a radial direction perpendicular to the tread surface, a sipe radially extending from the tread surface, along the radial direction the sipe exhibits an outer section parallel to the radial direction, an inner section parallel to the radial direction, the inner section comprising an even outer edge, an inclined section between the outer section and the inner section, the inclined section being inclined with respect to the radial direction of an inclination angle of at most 60°; the inclined section comprises undulations extending along the even outer edge.

A pneumatic tire that is an example of an embodiment includes a tread and a sidewall, and the sidewall has at least one side block. At an inner end of the side block in a tire radial direction, a protrusion is formed that protrudes outward in a tire axial direction. A height H2 of the protrusion is, for example, between 1.1 and 3.0 times a height H1 of a highest portion of the side block other than the protrusion.

A computer system and computer-implemented method for determining a control input for a vehicle are provided, the method comprising: acquiring, by processing circuitry of a computer system, operational information relating to a manoeuvre of the vehicle; determining, by the processing circuitry, a cost associated with energy efficiency of one or more motion support devices of the vehicle performing the manoeuvre; determining, by the processing circuitry, a cost associated with tyre wear of the vehicle performing the manoeuvre; and determining, by the processing circuitry, a control input such that a cumulative cost of energy efficiency and tyre wear is below a threshold.

The utility model relates to the technical field of tires, and discloses a four-season tire pattern which comprises a tire tread, the whole tire tread is cut through by a herringbone groove, and a reinforcing rib defined by four cylinders is arranged at the center of the herringbone groove. Through unequal numbers of through type inclined grooves and non-through type inclined grooves formed in the central pattern blocks and linear and wavy 3D guide grooves reasonably distributed in the central pattern blocks, the rigidity of patterns can be well balanced, the ground contact area of the tread is increased, and therefore the abrasion performance of the tire is improved, and the service life of the tire is prolonged. According to the tire, the dry ground gripping force and wet ground breaking water film of the tire are ensured, meanwhile, the gripping performance of the tire in ice and snow fields is guaranteed, and the tire patterns are arranged in a multi-layer variable-pitch arrangement mode when the tire patterns are arranged at all the pitches in the circumferential direction of the tread, so that the low-noise characteristic of the tire is achieved; and the center position of the herringbone groove is connected with the pattern block through the reinforcing rib formed by encircling four special cylinders, so that drainage and snow removal are facilitated, and the rigidity of the tread pattern block is ensured.

The utility model discloses a high-performance light truck snow tire which comprises a central pattern block, a tire shoulder pattern block, a longitudinal groove, a transverse groove, a central groove, a non-through V-shaped groove, a zigzag three-dimensional (3D) channel steel sheet I, a zigzag 3D channel steel sheet II, a groove bottom trapezoidal silencing bolt and a reinforcing rib, the non-through V-shaped grooves are located at the front end of the rhombus, the longitudinal grooves are designed between the tire shoulder pattern blocks and the center pattern block and are designed in a zigzag shape, the first zigzag 3D cutter groove steel sheets are designed on the tire shoulder pattern blocks, the transverse grooves are designed between every two adjacent tire shoulder pattern blocks, and the second zigzag 3D cutter groove steel sheets are designed on the tire shoulder pattern blocks. By optimizing the pattern shape, widening the transverse grooves, optimizing the shapes and the depths of the longitudinal grooves and the width grooves and adopting the design of the zigzag three-dimensional cutter box steel sheets and the inclined steel sheets, compared with the existing same type and same specification, the snowfield performance is ensured, and the slippery noise performance of the tire is improved on the basis of ensuring the snowfield performance.

Provided is a method, etc., for estimating uneven tire wear. This tire state estimation method involves: obtaining an image which includes both ends of the tread of a target tire, and captures said tread from the front in a manner such that said tread is continuous in a prescribed direction; inputting the obtained image into a trained first machine learning model; and deriving an output from the trained first machine learning model. Therein, the output of the trained first machine learning model corresponds to the estimation results for the uneven wear of the target tire.

The utility model relates to the technical field of tires, and discloses a new energy tire which comprises a tire tread, a plurality of longitudinal grooves and transverse grooves are formed in the tire tread, and first water film breaking units, second water film breaking units and third water film breaking units are arranged in the longitudinal grooves. Through the design that the continuous pattern ribs of the pattern blocks in the center of the tread are connected with the steel sheets, the rigidity of patterns can be well balanced, and the grounding area is increased, so that the abrasion performance of the tire is improved, and the road holding force of the tire is improved; through the design of a plurality of first water film destroying units, a plurality of second water film destroying units, a plurality of third water film destroying units and self-flow-guiding patterns in the longitudinal grooves of the tire, the wet land safety of the tire can be obviously improved, and the rigidity of the shoulder pattern blocks can be guaranteed through a plurality of transverse steel sheets arranged in the shoulder pattern blocks of the tire; and the characteristic of low noise of the tire can be realized by coping with the instantaneous torque of the new energy automobile and improving the instantaneous road holding force and adopting a multi-layer variable-pitch arrangement mode.

Aiming at long-time snowfields, especially radial tires, the utility model provides a winter and summer dual-purpose nail-free snow tire pattern suitable for ice and snow pavements, which comprises a tread pattern, the tread pattern comprises pattern blocks arranged along the circumferential direction of the tire and pattern grooves arranged along the circumferential direction of the tire, a pattern groove I is arranged at the center of the width direction of the tire, and a pattern groove II is arranged at the center of the width direction of the tire. A pattern block I, a pattern groove II, a pattern block II, a pattern groove III, a pattern block III, a pattern groove IV, a pattern block IV, a pattern groove V and a pattern block V are sequentially arranged from the pattern groove I to the left and the pattern groove II to the right, and the width of the pattern groove I, the width of the pattern groove III and the width of the pattern groove V are smaller than the width of the pattern groove II and the width of the pattern groove IV. The requirements for ice and snow braking performance and handling stability in winter are met preferentially, the requirement for wear resistance in summer is met, and the tedious tire changing link is avoided.

The utility model discloses a low-noise high-humidity skiing land radial tire which comprises tire shoulder pattern blocks and central pattern blocks, the tire shoulder pattern blocks and the central pattern blocks are radially arranged on a tire tread, the tire tread adopts a symmetrical design, and the tire shoulder pattern blocks and the central pattern blocks are arranged from outside to inside from the tire shoulder pattern blocks to the central pattern blocks. According to the utility model, by optimizing the shape and the arrangement of the patterns, the noise of the tire is effectively reduced, the noise problem of the snow tire is improved, the risk that the wet and slippery performance of the tire is reduced and the tire slips under the condition that accumulated water is accumulated on a road surface after accumulated snow is melted in the patterns of the snow radial tire in the prior art is solved, and the snow performance is ensured on the basis of ensuring the snow performance.

According to the anti-eccentric-wear pattern block and the tire comprising the anti-eccentric-wear pattern block, the anti-eccentric-wear pattern block is divided into the two quadrangles and the two pentagons, and the pentagons and the quadrangles are distributed in a crossed mode, so that uneven wear can be reduced, and eccentric wear can be improved. And the pattern blocks can provide good heat dissipation function, wet land performance and snowfield performance through the design of the cutter grooves I, the cutter grooves II, the longitudinal cutter grooves I and the longitudinal cutter grooves II, so that good durability is provided. The cutter groove I and the cutter groove II can improve the gripping performance, the drainage performance and the driving performance of the tire.

To provide a tire 2 that can suppress generation of peeling-off of a tread while suppressing increase in rolling resistance.SOLUTION: A tire 2 includes a tread 4 and a belt 20. An end BE of a base layer 34 of the tread 4 is positioned on an axial direction inner side of an end 20E of the belt 20. The tread 4 includes a plurality of circumferential grooves 30, and a plurality of land parts 32 are constituted by them. The plurality of land parts 32 include crown land parts 32c, shoulder land parts 32s and middle land parts 32m. A cap layer ratio ARc of the crown land part 32c is 1.5 or more and 3.5 or less. A cap layer ratio ARm of the middle land part 32m is equal to or more than the cap layer ratio ARc of the crown land part 32c. A cap layer ratio ARs of the shoulder land part 32s is larger than the cap layer ratio ARm of the middle land part 32m, and is 5.0 or more and 9.5 or less.SELECTED DRAWING: Figure 6

To provide a tire which includes a storage body storing a functional component on a tire inner surface of a tread part, and is excellent in sensing strength of a sensor function possessed by the functional component and durability of the storage body.SOLUTION: A tire with a functional component includes a storage body storing a functional component on a tire inner surface of a tread part, wherein the functional component has at least a contact surface contacting the tire inner surface and a sensor function for detecting tire information, the storage body is composed of a rubber component, the rubber component contains 60 mass% or more of butyl rubber (IIR) and has a content ratio of natural rubber (NR) of 40 mass% or less, and 40 to 82 pts.mass of carbon black is contained with respect to 100 pts.mass of the rubber component.SELECTED DRAWING: Figure 1

The present invention relates to a tread of a tyre having a tread pattern with a longtotal index (As) equal to or less than 17; said tread being characterized in that it is made up of a rubber composition comprising: (a) a crosslinkable unsaturated chain polymer base comprising from 10 to 50 phr of a modified styrene-butadiene copolymer rubber having a glass-transition temperature (Tg), measured by differential scanning calorimetry, of −50° C. or less; (b) a filler comprising 40 to 100 phr of silica; (c) a plasticizer system comprising a hydrocarbon resin and from 8 to 25 phr of octyloleate; and (d) a vulcanization system; said hydrocarbon resin having a softening point of 110° C. or higher, and an average molecular weight comprised between 700 and 1500 g / mol.

A tire comprising a tread portion divided between a central portion and two shoulder portions; wherein two main external grooves extending in a circumferential direction of the tire are each disposed between the central portion and one of the two shoulder portions; wherein the central portion comprises a first intermediate rib, a second intermediate rib, and a central rib, each of the shoulder portions has a plurality of shoulder blocks in the shoulder portion; wherein at least one shoulder block shows at least one lateral sipe; each of the first intermediate rib and the second intermediate rib has a plurality of intermediate blocks in the intermediate ribs, wherein the intermediate blocks show a central sipe opened on either side of the intermediate block and arranged to have an opening on the main external groove facing an opening on the same main external groove of an adjacent shoulder lateral groove.

The application relates to a deformable wheel with non-pneumatic load bearing intended to equip a vehicle for rolling under extreme conditions such as those encountered on the Moon and on Mars, comprising a hub, an annular tread intended to be in contact with the soil, positioned around the hub which is concentric therewith and comprising a layer of composite material coated with at least one protective layer, and a plurality of metal cables whose outer diameter is comprised between 0.2 mm and 5 mm, each cable connecting the hub to the tread while being fixed, on the one hand by an external end to the tread, and on the other hand by an internal end to the hub by an elastic member making it possible to modulate the radial stiffness of the cables, each elastic member being associated with an abutment able to limit its deformation.

Provided are a tire excellent in the balance between on-ice performance and wear resistance, and a vulcanized rubber and a rubber composition from which the tire is obtained. The rubber composition contains: a rubber component containing natural rubber, polybutadiene rubber, and styrene-butadiene copolymer rubber; a silica-containing filler; and an unmodified conjugated diene-based polymer in which a weight average molecular weight in terms of polystyrene is 5,000 or more and less than 40,000, a styrene bond content of a conjugated diene compound portion is less than 10% by mass, and a vinyl bond content of the conjugated diene compound portion is 40% to 65% by mass. A mass n of the natural rubber in the rubber component is 35 to 44% by mass, and a mass b of the polybutadiene rubber, and a mass s of the styrene-butadiene copolymer rubber satisfy a relationship of s≤b, and a content of the conjugated diene-based polymer is 1 to 40 parts by mass per 100 parts by mass of the rubber component.

Tires (1), comprising: a plurality of main grooves (21, 22) extending in a circumferential direction of the tire; and a plurality of web sections (31, 32, 33) defined and formed by the main grooves (21, 22); wherein at least one pier section (31, 32, 33) of the pier sections (31, 32, 33) comprises the following: a first narrow groove (331) having one end at an edge section of the web section (31, 32, 33) connected to the main groove (21, 22), and another end within the web section (31, 32, 33); and a second narrow groove (332) extending in the circumferential direction of the tire and having both ends within the rib section; wherein the first narrow groove (331) is inclined from one end to the other in a direction of the tire circumference and the first narrow groove (331) and the second narrow groove (332) are arranged in a V-shape, the upper section of which is directed in one direction of the tire circumference, and are arranged separately from each other, wherein the groove widths of the first narrow groove (331) and the second narrow groove (332) are in a range of 1.5 mm or more and 3.0 mm or less.

The utility model discloses an off-the-road tire pattern with high saturation and high TKPH. The off-the-road tire pattern comprises a crown middle pattern block and a shoulder pattern block, in the circumferential direction of the tire, crown middle transverse pattern grooves are formed between the adjacent crown middle pattern blocks, shoulder transverse pattern grooves are formed between the adjacent shoulder pattern blocks, and in the width direction of the tire, the adjacent crown middle transverse pattern grooves and the shoulder transverse pattern grooves are communicated to form transverse pattern grooves; longitudinal pattern grooves are formed between the adjacent crown middle pattern blocks and shoulder pattern blocks in the width direction of the tire; in the circumferential direction of the tire, the adjacent longitudinal pattern grooves are communicated with the transverse pattern grooves, and the depth of the longitudinal pattern grooves is 60-70% of the depth of the deepest parts of the transverse pattern grooves; the shoulder transverse pattern grooves are gradually widened from the crown center to the tire shoulder; and the saturation degree of the patterns is 70-75%. According to the utility model, the high saturation of the tire pattern is ensured, the cutting resistance of the tire is improved, the abrasion service life is prolonged, the TKPH of the tire is improved, and the tire is prevented from being damaged due to thermal delamination caused by heat generation.

A two-wheeled vehicle pneumatic tire having a tread, a tire carcass, tire sidewalls, and two bead regions with a bead protective strip. The tire carcass is formed from a first carcass inlay and a second carcass inlay. The second carcass inlay is arranged radially inwardly of the first carcass inlay, and extends from a crown region (17) of the two-wheeled vehicle pneumatic tire and terminates at a second carcass inlay end under the bead protective strip. The two-wheeled vehicle pneumatic tire provides improved puncture protection whilst maintaining good rolling resistance. This is achieved in that the first carcass inlay is guided with a first carcass inlay turn-up over the particular tire sidewall as far as under the tread to a first carcass inlay end, and terminates there at the first carcass inlay end.

A tire 1 includes a first shoulder block 5. The first shoulder block 5 includes a first portion 7 that includes a first tread surface 11 forming a first tread end T1 and a first side wall surface 12 extending inward in a tire radial direction from the first tread end T1, and a second portion 8 that includes a second tread surface 15 forming a second tread end T2 and a second side wall surface 16 extending inward in the tire radial direction from the second tread end T2. The second tread surface 15 includes a recessed portion 18 which is at least partially recessed inward of the first tread surface 11 in the tire radial direction such that the second tread end T2 is located inward of the first tread end T1 in the tire radial direction. A recess 19 is formed in the second side wall surface 16. The recess 19 extends in a tire circumferential direction from a shoulder lateral groove 3, and has a bottom portion 20 in the first shoulder block 5.

The utility model provides a mining long-distance vehicle tire pattern and a tire. The risk of falling of tire shoulder pattern blocks is reduced. The mining long-distance vehicle tire pattern comprises a tire crown pattern, the tire crown pattern comprises pattern block groups which are uniformly distributed on a tire crown along the circumferential direction of a tire, and a transverse pattern groove is formed between every two adjacent pattern block groups; each pattern block group comprises edge pattern blocks on the two sides and a middle pattern block between the edge pattern blocks on the two sides, the middle pattern blocks comprise a middle pattern block I and a middle pattern block II, and the middle pattern block I is adjacent to the edge pattern blocks.

A hydroplaning detection system includes a processor in communication with a communication system and a warning module in communication with the processor. The warning module receives data from vehicle-based sensors and generates an expected slip, a grip utilization, a drag force, and a calculated slip. The warning module receives data from a tire sensor unit and determines a confidence level by comparing the generated drag force to an expected drag. The warning module includes a hydroplaning detection logic that receives the expected slip, the grip utilization, the drag force, the calculated slip, and the confidence level and generates a hydroplaning detection warning and a warning confidence level. The warning module communicates the warning and the warning confidence level to at least one of a vehicle control system and an operator of the vehicle for action by the vehicle control system or the vehicle operator.

Provided is a rubber composition having excellent wear resistance and operability. The rubber composition of the present disclosure is a vulcanized rubber composition having a rubber component that contains a multicomponent copolymer containing a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit, where the vulcanized rubber composition has a plurality of voids, and an average diameter of the voids is 10 µm to 300 µm.

A method for calculating the wear rate of a tire implemented on a computer, comprising providing an aggregation of residual tread depth (RTD) evaluations based at least in part on data obtained from at least one sensor attached to at least one tire of a vehicle, generating a mathematical model for the wear rate of the tire based at least in part on the provided aggregation of RTD evaluations, and calculating the wear rate of the tire based at least in part on the generated mathematical model for the wear rate of the tire.

Provided is a tire comprising a tread part (12) and a belt layer (17), the tread part having at least one rubber layer, wherein a cap rubber layer constituting a tread surface of the tread part is composed of a rubber composition comprising a rubber component, a liquid rubber, and a terpene-based resin, wherein the belt layer has a steel cord consisting of 1 to 4 filaments, wherein an outer diameter D of the filament is 0.45 mm or less, and wherein Y is 0.50 or more and Y / D is 1.6 or more, when Y=A / P is defined, where A represents an acetone extraction amount, in % by mass, of the rubber composition and P represents a polymer amount, in % by mass, in the rubber composition.

A system for measuring a tread of a tire can include a nonmagnetic layer, a frame, and a housing. The nonmagnetic layer can provide a drive-over surface adapted to receive the tire thereon including the tread to be measured. The frame can have a magnet and a magnetic sensor coupled thereto. The housing can include a cavity therein. The frame with the magnet and the magnetic sensor can be mounted in the cavity. The nonmagnetic layer can be provided on the housing and on the frame.

A computer system determines a vehicle motion profile. The computer system has processing circuitry to acquire information related to an upcoming vehicle path, including a range of the vehicle path; and determine a vehicle motion profile as a solution to an optimisation problem that describes a total cost for a vehicle to follow the vehicle path including a first cost associated with energy usage of the vehicle and a second cost associated with tyre wear of the vehicle. The total cost associated with the solution to the optimisation problem is below a threshold. The determined vehicle motion profile meets the range of the vehicle path.

To provide an RFID patch which is difficult to be peeled when being stuck to a tire.SOLUTION: An RFID patch has: an RFID tag having an RFID chip, an antenna connected to the RFID chip, and a coating resin layer for coating the RFID chip and the antenna; and an adhesive layer for boding the RFID tag and an object to be stuck and having a thickness of 1 mm or more.SELECTED DRAWING: Figure 4