5346results about "Tyre tread bands/patterns" patented technology

Disclosed herein are tire tread rubber compositions comprising a specified elastomer component, reinforcing silica filler, a specified hydrocarbon resin, liquid plasticizer, and a cure package. The elastomer component includes styrene-butadiene rubber and high cis linear polybutadiene. Use of the disclosed ingredients may result in a tire tread having particular properties, as discussed further herein.

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.

A disclosed water droplet sensing system and methods using split-ring resonators, which may be embedded within a material. In use, a component includes at least one split-ring resonator (SRR) which may be embedded within a material of the component. The at least one SRR may be formed from a composite material. Additionally, the at least one SRR may be configured to form a signal that is correlated with a concentration of water proximate to the at least one SRR. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the material may be based on physical characteristics of the material (including fluid accumulation on the material).

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 disclosed airborne vehicle includes split-ring resonators (split ring resonators), which may be embedded within a material. Each split ring resonator may be formed from a three-dimensional (3D) monolithic carbonaceous growth and may detect an electromagnetic ping emitted from a user device. Each split ring resonator may generate an electromagnetic return signal in response to the electromagnetic ping. The electromagnetic return signal may indicate a state of the material in a position proximate to a respective split ring resonator. In some aspects, each may resonate at a first frequency in response to the electromagnetic ping when the material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the material is in a second state. A resonant frequency of the 3D monolithic carbonaceous growth may be based on physical characteristics of the material.

A disclosed apparatus includes sensors incorporated into adhesive material. In use, an apparatus may comprise an adhesive material and at least one split-ring resonator (SRR) disposed on or in the adhesive material. Additionally, the at least one SRR is formed from a carbon-containing material, and the adhesive material is a non-elastomeric material or a semi-rigid material. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the adhesive material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the adhesive material is in a second state. A resonant frequency of the adhesive material may be based on physical characteristics of the adhesive material.

A disclosed leaky coaxial resonant sensor system and methods. In use, the system includes at least one split-ring resonator (SRR) embedded within a material of the component. The at least one SRR is formed from a composite material. Additionally, the at least one SRR is configured to resonate at a first frequency in response to an interrogation signal from a leaky coaxial cable antenna. In some aspects, each SRR may resonate at a first frequency in response to an electromagnetic ping when the composite material is in a first state, and may resonate at a second frequency in response to the electromagnetic ping when the composite material is in a second state. A resonant frequency of the composite material may be based on physical characteristics of the composite material.

Resonant sensors for environmental health risk detection are disclosed. A mechanical member may include at least one meso-scale or micro-scale resonator disposed on a surface of the mechanical member. Additionally, the at least one meso-scale or micro-scale resonator may include a plurality of first carbon particles configured to uniquely resonate in response to an electromagnetic ping based at least in part on a concentration level of the first carbon particles within the at least one meso-scale or micro-scale resonator. Further, the at least one meso-scale or micro-scale resonator may be configured to resonate at a first frequency in response to the electromagnetic ping when the mechanical member is in a first state, and may be configured to resonate at a second frequency in response to the electromagnetic ping when the mechanical member is in a second state.

The present invention provides a motorcycle tire capable of suppressing water splashing forward for a long period of time. A motorcycle tire (1) has a circumferential groove (3). The circumferential groove (3) includes a plurality of first inclined portions (8) and a plurality of second inclined portions (9) that are inclined. The circumferential groove (3) includes a pair of groove walls (12). In a groove cross-section of the first inclined portion (8), each of the pair of groove walls (12) is inclined toward the first tread edge (T1) toward the inside in the tire radial direction with respect to a tread normal line (n). In a groove cross-section of the second inclined portion (9), each of the pair of groove walls (12) is inclined toward a second tread end (T2) toward the inside in the tire radial direction with respect to a tread normal (n).

The present invention aims to provide tire rubber composition with significantly improved overall performance in terms of wet grip performance and fuel economy, and pneumatic tires including the rubber compositions. The tire rubber compositions of the present invention have a tan δ versus temperature curve whose peak tan δ and half width satisfy the following relationship (1):Peak tan δ / Half width≥0.025  (1).

The invention discloses an intelligent monitoring method and device for tire wear of an automatic driving vehicle. The method comprises the steps that road environment data, driving behavior data and tire data are collected through a vehicle sensor; building tire loss characteristics according to the road environment data, the driving behavior data and the tire data; judging whether the road environment data or the driving behavior data is changed or not, and if yes, obtaining the running time of the vehicle under the tire loss characteristics; and obtaining a tire loss value through a preset loss model according to the tire loss characteristics and the running time. Therefore, when the road environment data or the driving behavior data of the vehicle change in the driving process, the corresponding tire loss value is obtained through the loss model according to the tire loss characteristics and the running time of the vehicle in the unchanged tire loss characteristics, so that the tire loss can be accurately evaluated after the vehicle passes through the road section.

Car tyre (100) having a tread band (7) comprising a central region (L1) and two shoulder regions (L2, L3); the central region (L1) having a plurality of ribs (8, 9, 10), wherein a first rib (8) with a plurality of first transverse grooves (15) comprising a substantially straight first segment (15′), inclined relative to a direction parallel to said equatorial plane (X-X) so as to form an angle Θ smaller than or equal to 70°, a substantially straight counter-inclined second segment (15″) and a curved connecting segment (15″′) extending between said first segment (15′) and said second segment (15″); —the first rib (8) further comprising first straight sipes (21) located in the first rib (8) between said first transverse grooves (15) and extending over at least 60% of the width of said first rib (8); the first sipes (21) forming with said equatorial plane (X-X) an angle Θ′ preferably equal to the angle Θ of the first segment (15′) of the first transverse grooves (15).

The present invention provides a motorcycle tire capable of improving uneven wear resistance while maintaining wet performance. A motorcycle tire (1) has a tread portion (2). A tread portion (2) is provided with a plurality of first inclined grooves (3) that open from a crown region (Cr) toward a first tread edge (T1). The first inclined groove (3) includes a first portion (7) in which the groove width (W1) decreases from the crown region (Cr) toward the first tread edge (T1), and a second portion (8) in which the groove width (W1) increases toward the first tread edge (T1) to the first tread edge (T1).

The invention provides an all-steel tire tread pattern, and relates to the technical field of tire production. The tire tread is sequentially divided into a first tire shoulder, a first pattern block, a central pattern block, a second pattern block and a second tire shoulder by the four longitudinally formed pattern grooves along a first direction; a plurality of transverse grooves are longitudinally distributed in the surfaces of the first pattern blocks, the central pattern blocks and the second pattern blocks, and frosted lines are further arranged on the sides, tightly attached to the transverse grooves, of the first pattern blocks and the second pattern blocks; the pattern grooves extend to the groove bottoms in a wavy shape, the groove wall angles alpha of the tops of the pattern grooves range from 10 degrees to 15 degrees, and the groove wall angles beta of the groove bottoms of the pattern grooves range from 20 degrees to 25 degrees. The problems that in the prior art, an all-steel tire pattern cannot enhance the road holding force, and foreign matter such as pebbles is often clamped into a tire tread are solved, and the technical effects that the performance of an all-steel tire under various road surface conditions is improved, and the stability and safety of a vehicle during high-speed running are improved are achieved.

According to aspects of the invention, a tire for a vehicle comprising a tread is provided. The tread comprises a set of consecutive block patterns arranged along a circumference of the tire, each block pattern of the set of consecutive block patterns comprising a block and a first groove adjacent to the block. The set of consecutive block patterns comprises a first subset of n1 first block patterns having a first pitch length, a second subset of n2 second block patterns having a second pitch length greater than the first pitch length, and a third subset of n3 third block patterns having a third pitch length greater than the second pitch length, wherein n1 ≥ 10, 1≥n1n2≥0.50, and 3≥n2n3≥ 1.50.

A tyre monitoring sensor is disclosed comprising an ultra-wideband, UWB, device, wherein the UWB device is configured to be mounted on a tyre and to be operable in at least a first mode, a second mode, and a third mode; wherein the first mode is a sensing mode, in which the UWB device is operable to determine a value of a physical property of the tyre; wherein the second mode is a communication mode, in which the UWB device is operable to communicate the value to a control unit; wherein the third mode is a ranging mode, in which the UWB device is operable to localise the UWB device relative to a controller node. Associated methods and systems are also disclosed.

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.

The present disclosure relates to systems and methods of automatically distributing powertrain demand between tandem drive axles in a tandem drive axle system for balanced tire wear between the tandem drive axles. Examples described herein analyze input signals collected from various vehicle sensors about operating conditions of the front and back tandem drive axles, and automatically bias a distribution of torque demand between the front and back tandem drive axles to correct for asymmetric wear based on known normal wear of the tires under like operating conditions.

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.

The invention relates to the field of snow tire pattern design, and discloses a snow tire tread capable of preventing sideslip and improving ice ground grip. The tread adopts an asymmetric multi-guide pattern style, and asymmetric patterns can provide more targeted road holding force and control performance; the road holding force of the tire under various working conditions such as starting, braking and turning can be enhanced through the multiple guide pattern blocks, and the sideslip risk is reduced. According to the snow tire disclosed by the invention, the longitudinally and transversely staggered flow guide cutter grooves are formed in the tire shoulder parts, so that a water film on an ice surface can be effectively absorbed and removed; the streamline boss suction cup on the outer side of the tire shoulder has the function of adsorbing an ice surface when a vehicle sideslips, so that the transverse tire tread contact area can be increased, and the tire tread adsorption force can also be increased; a row of triangular anti-slip gradient ladders are additionally arranged on the outer side of a driving line, so that the ground gripping area of the tread can be increased, the tread can play a role in clinging to the ground when a vehicle sideslips, the frictional resistance between the tread and an ice surface is fully increased, and the vehicle is prevented from sideslipping.

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.

Disclosed are various approaches for estimating tread wear condition for a tire. Segment analysis data for a given segment and a given tire can be obtained. The segment analysis data can include tire data, vehicle data, or manual inspection data. A starting tread depth corresponding to a tread depth of a tire at a segment start can be determined. A segment distance corresponding to a distance the tire has traveled up to a segment end is determined. The starting tread depth and the segment distance are applied as inputs to a trained tread wear condition model. A tread wear condition is predicted based at least in part on an output of the tread wear condition model.

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.

The present disclosure is a two-wheeled vehicle tire for running on rough terrain having a tread portion. The tread portion includes a first tread edge, a second tread edge, a tread development width, a tire equator, a crown region, and side regions. The tread portion includes a plurality of crown blocks and a plurality of outer blocks. Each of the outer blocks has a ground contacting surface at least provided with a narrow groove or configured as a stepped surface including a base surface and a protruding surface locally protruding outward in a block height direction with respect to the base surface. Each of the crown blocks has a ground contacting surface provided with the narrow groove and configured as a non-step surface without the protruding surface.

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.

The invention provides a low-rolling-resistance and high-wet-grabbing pneumatic radial tire, which belongs to the technical field of tires, and comprises a tread and a circumferential groove extending along the circumferential direction of the tread, the contour between the highest point of the tread and the end point of one side of the tread is sequentially divided into a first arc section, a second arc section, a third arc section and a fourth arc section, the radius TR1 of the first section of arc, the radius TR2 of the second section of arc, the radius TR3 of the third section of arc and the radius TR4 of the fourth section of arc meet the following relation: TR1: TR2: TR3: TR4 = 2.3: 1.9: 1.6: 1; the number of the circumferential grooves is five, the five circumferential grooves sequentially comprise a central water-drop-shaped pattern groove, two pattern grooves close to the center and two shoulder water-drop-shaped pattern grooves from the center to the two sides of the tread, and the central water-drop-shaped pattern groove and the shoulder water-drop-shaped pattern grooves are grooves which are self-closed in a loading state; according to the invention, the tire structure design, the pattern design and the formula design are optimized, so that the tire has the ultimate durability, low rolling resistance and full-life-cycle high-wet-grip performance at the same time.