A tire wear state estimation system includes at least one tire that supports a vehicle. A sensor is mounted on the tire and measures tire parameters. At least one sensor is mounted on the vehicle and measures vehicle parameters. Each one of a plurality of sub-models receives selected tire parameters from the tire mounted sensor and selected vehicle parameters from the vehicle mounted sensor. Each one of the sub-models generates a sub-model wear state estimate, and a model reliability is determined for each one of the sub-models. A supervisory model receives the wear state estimate from each sub-model and the model reliability for each sub-model, and generates a combined wear state estimate for the tire.
B60C 25/00 - Appareils ou outils adaptés pour le montage, le démontage ou l'examen des pneumatiques
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
G07C 5/04 - Enregistrement ou indication du temps de circulation, de fonctionnement, d'arrêt ou d'attente uniquement utilisant des moyens de comptage ou compteurs à horloge
A tire assembly may include a tire constructed with a pair of annular bead cores axially spaced from one another and a carcass including at least one ply wrapped around the bead cores. A spring support structure is coupled to the carcass and includes at least one coiled-wire spring extending circumferentially around an axis of rotation of the tire and circumferentially compressed or tensioned to apply a radially outward force on the body portion of the carcass. The tire may be clamped onto a vehicle wheel to adjust an axial spacing of radially inner ends of the carcass and thereby impart an axial force on the carcass. The tire may or may not include an innerliner, but does not rely on a pressurized inflation fluid to maintain a shape and performance characteristics of the tire.
B60C 7/20 - Pneumatiques non gonflables ou bandages pleins caractérisés par des dispositifs pour augmenter l'élasticité utilisant des ressorts en enroulements hélicoïdaux ou plats disposés en cercle par rapport à l'axe de la roue
The invention relates to a rubber composition based on at least one diene elastomer, a filler comprising at least carbon black and an inorganic filler with an inorganic filler content of less than or equal to 50 parts by weight per hundred parts of elastomer, phr, and also a crosslinking system.
A hydrocarbon resin comprises a reaction product of the polymerization reaction of end of life tires (ELT) oil monomers and having a Tg ranging from about −30° C. to about 140° C., a softening point from about 10° C. to about 170° C. and a molecular weight Mw between 100 and 5000 Da.
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to uncured compositions that include an elastomer, a curing agent, a co-curative, and a diluent, where the diluent comprises a highly reactive polyisobutene with at least about 60 mol % of terminal vinylidene groups. In certain aspect, the diluent can include a second diluent comprising a second polyisobutene comprising at most about 20 mol % terminal vinylidene groups, a hydrocarbon oil, or a combination thereof. Also disclosed are vulcanized rubber compositions including the uncured compositions that have been vulcanized and articles, including tires and/or components of tires, comprising the vulcanized rubber compositions.
The present invention is directed to a cord reinforcement for a tire comprising parallel cords wherein at least one of the cords is a hybrid cord comprising a flat monofilament and a multifilament yarn, wherein the flat monofilament comprises polyamide and the multifilament yarn is wrapped around the flat monofilament and comprises one or more of aramid, glass fiber material and carbon fiber material. The flat monofilament has a linear density within a range of 2200 dtex to 6000 dtex and the multifilament yarn has a linear density within a range of 1800 dtex to 4400 dtex. Furthermore, the invention is directed to a tire comprising one or more of such cords.
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to a method for making branched polymers. In one aspect the method comprises reacting a first elastomeric polymer (1EP) with a molar excess of a second elastomeric polymer (2EP) to produce a first mixture comprising a third elastomeric polymer (3EP) and 2EP. 1EP and 2EP each individually comprise a polymer with a first terminus and a second terminus, where a residue of a silane polymerization initiator is covalently bonded to the first terminus of the polymer and where the polymers and silane polymerization initiators of 1EP and 2EP can be the same or different. 1EP further comprises a residue of a silane polymerization terminator covalently bonded to the second terminus of the polymer. The method further comprises hydrolyzing the first mixture so that 2EP and 3EP react with one another to produce a branched polymer. Polymers produced by this method can be included in articles comprising rubber compositions, such as tires or components of tires.
C08F 299/00 - Composés macromoléculaires obtenus par des interréactions de polymères impliquant uniquement des réactions entre des liaisons non saturées carbone-carbone, en l'absence de monomères non macromoléculaires
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08G 83/00 - Composés macromoléculaires non prévus dans les groupes
This invention relates to a tire with high performance tread of rubber composition for promoting tread durability and traction. For such purpose, a tread rubber composition is provided which contains a high Tg solvent solution polymerization prepared styrene/butadiene elastomer (SSBR) together with precipitated silica reinforcement and traction resin. The invention includes extension of the uncured high Tg SSBR by triglyceride vegetable oil instead of petroleum based oil.
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to uncured compositions that include a partially saturated elastomer and pre-silanized silica. In some aspects, the uncured compositions include about 40 phr to about 200 phr of a pre-silanized silica and at least one partially saturated elastomer including repeat units, where greater than 15% to about 30% of all repeat units of the partially saturated elastomer include a double bond. Also disclosed are vulcanized rubber compositions including the uncured compositions that have been vulcanized and articles including tires and/or components of tires comprising the vulcanized rubber compositions.
A non-pneumatic tire includes a central rim coupling the tire to a vehicle, a connecting web including a plurality of spokes coupled to the central rim and extending radially outward therefrom and a shear band circumscribing the connecting web and coupled thereto. The shear band includes a plurality of oblong cords arranged in parallel layers, each of the oblong cords having a cross section defining a greater lateral width than a radial height.
A rubber composition suited for forming a truck tire tread includes 100 phr of elastomers, including a natural rubber and a styrene-butadiene rubber. A ratio by weight of natural rubber to styrene-butadiene rubber is at least 75:25. The composition further includes at least 45 phr of reinforcing fillers, including carbon black and a silica. The high dispersible silica has a CTAB surface area of at least 140 m2/g. The composition further includes one or more processing aids and a cure package, which includes a cure agent, such as a sulfur-based cure agent, and an ultra-accelerator, such as 1,6-bis (N,N-dibenzylthiocarbamoyldithio)hexane.
Disclosed are various embodiments for a rotating mixing chamber apparatus for tire curation. In some examples, an apparatus includes a curing bladder of a tire curing mold and a media distribution cap positioned in a center of the curing bladder. The media distribution cap has an inlet chamber to receive a gas in a plurality of distribution openings. The media distribution cap is configured to rotate about a center axis of the curing bladder when the gas enters the inlet. The gas is distributed into the curing bladder through the distribution openings.
A tire tread is formed from a vulcanizable rubber composition which includes, expressed by weight per hundred parts of elastomer (phr), 100 phr of an elastomer component, the elastomer component including a polyisoprene rubber and a polydiene rubber in a ratio by weight of at least 1:1, at least 40 phr of a filler component, the filler component comprising carbon black and silica in a ratio, by weight of at least 0.8:1, at least 1 phr of an organosilane coupling agent, at least 1 phr of a hydrocarbon traction resin, a sulfur-based curing agent, and a cure accelerator, the cure accelerator including an ultra-accelerator. The tire tread is suited for use on heavy vehicles, such as trucks and buses.
An antiozonant of formula (I):
An antiozonant of formula (I):
An antiozonant of formula (I):
wherein X is selected from the group consisting of O, S, and N; and wherein R is selected from the group consisting of hydrogen, an alkyl moiety, a cycloalkyl moiety, an aryl moiety, an amine moiety, an amide moiety, an alcohol moiety, an aldehyde moiety, a ketone moiety, a carboxylic acid moiety, an ether moiety, an ester moiety, and a thiol moiety. A rubber composition contains the antiozonant, a diene elastomer; a reinforcing filler; a sulfur-based curing agent; and an accelerator for the curing agent.
C08K 13/02 - Ingrédients organiques et inorganiques
C07C 229/40 - Composés contenant des groupes amino et carboxyle liés au même squelette carboné ayant des groupes amino liés à des atomes de carbone d'au moins un cycle aromatique à six chaînons et des groupes carboxyle liés à des atomes de carbone acycliques du même squelette carboné
C07C 235/02 - Amides d'acides carboxyliques, le squelette carboné de la partie acide étant substitué de plus par des atomes d'oxygène ayant des atomes de carbone de groupes carboxamide liés à des atomes de carbone acycliques et des atomes d'oxygène, liés par des liaisons simples, liés au même squelette carboné
C07C 237/06 - Amides d'acides carboxyliques, le squelette carboné de la partie acide étant substitué de plus par des groupes amino ayant les atomes de carbone des groupes carboxamide liés à des atomes de carbone acycliques du squelette carboné le squelette carboné étant acyclique et saturé ayant les atomes d'azote des groupes carboxamide liés à des atomes d'hydrogène ou à des atomes de carbone acycliques
C07C 237/52 - Amides d'acides carboxyliques, le squelette carboné de la partie acide étant substitué de plus par des groupes amino ayant l'atome d'azote d'au moins un des groupes carboxamide en outre acylé
C07C 243/28 - Hydrazines ayant des atomes d'azote de groupes hydrazine acylés par des acides carboxyliques avec des groupes carboxyle acylants liés à des atomes d'hydrogène ou à des atomes de carbone acycliques à des atomes d'hydrogène ou à des atomes de carbone d'un squelette carboné saturé
C07C 323/10 - Thiols, sulfures, hydropolysulfures ou polysulfures substitués par des halogènes, des atomes d'oxygène ou d'azote ou par des atomes de soufre ne faisant pas partie de groupes thio contenant des groupes thio et des atomes d'oxygène, liés par des liaisons simples, liés au même squelette carboné
C07C 327/06 - Acides monothiocarboxyliques ayant des atomes de carbone de groupes thiocarboxyle liés à des atomes d'hydrogène ou à des atomes de carbone acycliques à des atomes d'hydrogène ou à des atomes de carbone d'un squelette carboné acyclique saturé
C07C 327/22 - Esters d'acides monothiocarboxyliques ayant des atomes de carbone de groupes thiocarboxyle estérifiés liés à des atomes d'hydrogène ou à des atomes de carbone acycliques
In one aspect, the disclosure relates to an uncured rubber composition comprising a rubber and a functionalized silica, wherein the functionalized silica comprises a plurality of silica particles, a coupling agent, and an alcohol ether having the Formula I:
In one aspect, the disclosure relates to an uncured rubber composition comprising a rubber and a functionalized silica, wherein the functionalized silica comprises a plurality of silica particles, a coupling agent, and an alcohol ether having the Formula I:
CH3—(CH2)n—(O—(CH2)x)m—OH Formula I
wherein n is an integer from 1 to 18;
wherein x is an integer from 1 to 8; and
wherein m is an integer from 1 to 15.
In one aspect, the disclosure relates to an uncured rubber composition comprising a rubber and a functionalized silica, wherein the functionalized silica comprises a plurality of silica particles, a coupling agent, and an alcohol ether having the Formula I:
CH3—(CH2)n—(O—(CH2)x)m—OH Formula I
wherein n is an integer from 1 to 18;
wherein x is an integer from 1 to 8; and
wherein m is an integer from 1 to 15.
Also disclosed are methods of making the rubber compositions, articles such as tires made from the same, and the functionalized silica used to produce the same. The uncured rubber compositions can be or include a masterbatch. In an aspect, the coupling agent aids in the dispersal of the functionalized silica in the rubber, allowing for mixing under conditions that are not harsh, while retaining desirable properties in the final rubber products.
The invention is directed to a non-pneumatic tire comprising a radially outer circumferential band portion, a radially inner hub portion, and a supporting structure comprising a plurality of spokes extending from the hub portion to the band portion. A radially outer foot portion of at least one of the spokes is mechanically interlocked with the band portion and/or removably mounted to the band portion. In another aspect, an attachment surface of a spoke is at least partially formed by a material harder than a polymer composition of the spoke. Furthermore, a portion of the band portion and the hub portion, which is adjacent and in contact with the attachment surface, is at least partially formed by one or more of the material and another material harder than the polymer composition.
B60C 7/18 - Pneumatiques non gonflables ou bandages pleins caractérisés par des dispositifs pour augmenter l'élasticité utilisant des ressorts en enroulements hélicoïdaux ou plats disposés radialement par rapport à l'axe de la roue
B60B 1/04 - Fixation des rais à la jante ou au moyeu
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
30.
METHOD OF MANUFACTURING SUPPORTING STRUCTURES WITH CORD-REINFORCED POLYMER COMPOSITION SPOKES FOR NON-PNEUMATIC TIRES
The invention is directed to advanced methods of manufacturing a supporting structure for a non-pneumatic tire comprising at least one cord-reinforced polymer composition spoke. One method comprises providing a first mold member at least partially covered by a first polymer composition layer, applying at least one cord reinforcement onto the first polymer composition layer, and over-molding a second polymer composition layer onto the first polymer composition layer to enclose said cord reinforcement between the first polymer composition layer and the second polymer composition layer so as to obtain at least a portion of the cord-reinforced polymer composition spoke. In some of the methods, the supporting structure comprises X-shaped spokes and the provision of corresponding mold inserts and/or mold members. Furthermore, the present invention is directed to a method of manufacturing a tire including molding of at least a circumferential sector of a supporting structure comprising cord-reinforced polymer composition.
Aspects of tire sensor auto-location are described. A sensor position detection device receives tire sensor values from a tire sensor device. The tire sensor values are measured or calculated for tire footprint length, longitudinal acceleration, and lateral acceleration. The sensor position detection device generates a longitudinal acceleration coefficient and a lateral acceleration coefficient using these values, and assigns the tire sensor device to a particular tire position of a vehicle based on a sign of the longitudinal acceleration coefficient and a sign of the lateral acceleration coefficient.
Disclosed are various embodiments for calculating or estimating dynamic tire loads from acceleration data. A virtual footprint length can be calculated from acceleration data obtained from the inertial unit of the vehicle. Dynamic tire loads or dynamic vehicle load data can be calculated from the virtual footprint length that is calculated from the acceleration data obtained from the inertial unit.
G01B 5/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques mécaniques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
A method of forming a hydrogenation catalyst includes providing a first fluid including a first reagent in a first reagent dispensing device, the first reagent including an organoaluminum compound and providing a second fluid including a second reagent in a second reagent dispensing device, the second reagent including a nickel alkoxylate. The method further includes contemporaneously delivering the first fluid from the first reagent dispensing device and the second fluid from second reagent dispensing device to a reaction vessel at a constant stoichiometry of aluminum in the organoaluminum compound to nickel in the nickel alkoxylate, the organoaluminum compound reacting with the nickel alkoxylate in the reaction vessel to form the hydrogenation catalyst.
B01J 14/00 - Procédés chimiques généraux faisant réagir des liquides avec des liquidesAppareillage spécialement adapté à cet effet
B01J 19/24 - Réacteurs fixes sans élément interne mobile
B01J 31/14 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques contenant des composés organiques ou des hydrures métalliques contenant des composés organométalliques ou des hydrures métalliques d'aluminium ou de bore
A rubber composition contains at least one elastomer including at least one conjugated diene elastomer, a pre-silanized precipitated silica, a high surface area (e.g., CTAB surface area of at least 200 m2/g) silica, a tear strength agent, a sulfur-based curing agent, and an accelerator for the curing agent. The rubber composition may be used to form tires.
The invention is directed to a non-pneumatic tire comprising a radially outer circumferential band portion comprising a tread, a radially inner hub portion, and a supporting structure comprising a plurality of spokes extending between the hub portion and the circumferential band portion. At least one spoke of the plurality of spokes comprises a radially inner head portion, a radially outer foot portion, and a cord reinforcement wound between the foot portion and the head portion of the spoke. In another aspect, at least two neighboring spokes are reinforced by a common cord reinforcement extending at least from a radially outer foot portion to a radially inner head portion of said spoke, and further through the radially inner ring portion into a radially inner head portion of the neighboring spoke and further to a radially outer foot portion of the neighboring spoke. Another aspect provides a method for manufacturing such tires.
B60C 7/22 - Pneumatiques non gonflables ou bandages pleins ayant des couches incorporées autres que celles visant à augmenter l'élasticité, p. ex. pour armaturer
B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers
36.
METHOD AND MACHINE FOR MANUFACTURING A CORD-REINFORCED ELASTOMER COMPOSITION BAND
The invention is directed to a method of manufacturing a cord-reinforced elastomer composition band, comprising steps of providing multiple parallel cords; extruding an elastomer composition onto the cords in a first zone to form a first end portion of the band; further extruding the elastomer composition onto the cords in the first zone while moving the first end portion of the band away from the first zone; and holding the cords at a constant distance relative to one another in a second zone adjacent, downstream and moving with the first end portion of the band away from the first zone. Moreover, the invention is directed to a method of manufacturing a tire comprising these steps and a machine for manufacturing a cord-reinforced elastomer composition band.
B29C 70/14 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts comprenant uniquement des renforcements, p. ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres courtes, p. ex. sous forme d'un mat orientées
B29C 70/28 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts comprenant uniquement des renforcements, p. ex. matières plastiques auto-renforçantes opération de façonnage des matières composites comprenant uniquement des renforcements
B60C 11/00 - Bandes de roulement des pneumatiquesSculptures des bandes de roulementPièces rapportées antidérapantes
Aspects of vehicle hydroplaning detection are described. In some examples, dynamic vehicle parameter values are received from a receiving, by a hydroplaning computation device, from a Controller Area Network (CAN) bus of a vehicle. The dynamic vehicle parameter values are measured using vehicle CAN bus sensor devices. A plurality of static vehicle parameter values are identified for the vehicle. a tire-model-based slip value, a grip utilization value, a drag force value, and wheel-speed-based slip value are generated. The hydroplaning computation device outputs hydroplaning detection status data based on a vehicle model, the dynamic vehicle parameter values, and the static vehicle parameter values.
The invention is directed to a wheel monitoring system for a vehicle, comprising tags for wirelessly sending electromagnetic signals, wherein at least one of the tags is mounted separately from each wheel in a wheel well. The system further comprises tag readers for wirelessly receiving and reading electromagnetic signals. In particular, each of the wheels comprises one of the tag readers for receiving electromagnetic signals sent by one of the tags mounted in a wheel well. Furthermore, the invention is directed to a vehicle comprising a wheel monitoring system, wherein each tag of a plurality of tags comprises unique information identifying one or more of the tag and a mounting position of the tag. Moreover, the invention is directed to a method of locating mounting positions of wheels.
Disclosed are various embodiments for predicting a road surface condition based at least in part on tire resistive forces and vehicle data obtained from the controller area network (CAN) bus of a vehicle. In response to determining that the vehicle is in a steady state, tractive forces can be estimated using the vehicle data. The tractive forces and the vehicle speed can be inputted into a trained surface condition detection model. The surface condition detection model is trained to predict a probability that a surface is wet or dry based at least in part on the tractive forces. The probability that a surface is wet or dry can be provided to other vehicle systems for adjustment of vehicle operations.
B60W 40/06 - Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier liés aux conditions ambiantes liés à l'état de la route
40.
POLYALKYLENE OXIDE-RUBBER BLOCK COPOLYMERS AND METHODS FOR MAKING THE SAME
In one aspect, the disclosure relates to a block copolymer comprising a first block derived from an alkene and a second block derived from an epoxide. In another aspect, the block copolymer has the structure
In one aspect, the disclosure relates to a block copolymer comprising a first block derived from an alkene and a second block derived from an epoxide. In another aspect, the block copolymer has the structure
wherein X is selected from:
In one aspect, the disclosure relates to a block copolymer comprising a first block derived from an alkene and a second block derived from an epoxide. In another aspect, the block copolymer has the structure
wherein X is selected from:
In one aspect, the disclosure relates to a block copolymer comprising a first block derived from an alkene and a second block derived from an epoxide. In another aspect, the block copolymer has the structure
wherein X is selected from:
or any combination thereof;
wherein R1 is selected from H or a C1-C4 aliphatic hydrocarbon chain,
wherein R2 and R3 are individually selected from H or methyl;
wherein n is from about 1800 to about 20,000; and
wherein m is from 4 to 2300.
In one aspect, the disclosure relates to a block copolymer comprising a first block derived from an alkene and a second block derived from an epoxide. In another aspect, the block copolymer has the structure
wherein X is selected from:
or any combination thereof;
wherein R1 is selected from H or a C1-C4 aliphatic hydrocarbon chain,
wherein R2 and R3 are individually selected from H or methyl;
wherein n is from about 1800 to about 20,000; and
wherein m is from 4 to 2300.
Also disclosed herein are rubber compositions including the disclosed block copolymers, tires including the rubber compositions, and methods of making the block copolymers.
C08G 81/02 - Composés macromoléculaires obtenus par l'interréaction de polymères en l'absence de monomères, p. ex. polymères séquencés au moins un des polymères étant obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
A vulcanizable rubber composition suitable for a tire tread, which provides a balance of rolling resistance, wet traction and grip on snow and ice, includes 80-100 parts per hundred rubber (phr) of a polydiene component including one or more elastomers selected from the group consisting of polybutadiene rubber, a solution-polymerized styrene-butadiene rubber with a styrene content of 2-10 wt. % and a Tg of −95° C. to −75° C., and mixtures thereof. The polydiene component is selected such that the elastomers which have cis-1,4-butadiene content of greater than 90% total no more than 45 phr. Elastomers other than the polydiene component may be up to 20 phr. The composition includes at least 100 phr of silica filler, at least 5 parts per hundred silica of a blocked mercapto organosilane coupling agent, at least 40 phr of a hydrocarbon traction resin, a sulfur-based curing agent, zinc oxide, and a cure accelerator.
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08F 232/08 - Copolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un système carbocyclique contenant des cycles condensés
A vulcanizable rubber composition suitable for a tire tread, which provides a balance of rolling resistance, wet traction and grip on snow and ice, includes 60-100 phr of a solution-polymerized styrene butadiene rubber with a styrene content of 2-10 wt. % and a Tg of −95° C. to −75° C., 0-40 phr of a polybutadiene rubber, at least 100 phr of silica filler, at least 6 parts by weight per hundred parts of the silica filler (phf) of a blocked mercapto organosilane coupling agent, at least 40 phr of a hydrocarbon traction resin, at least of 5 phr of a substituted or unsubstituted phenol aldehyde tackifier resin, and a cure package including a sulfur-based curing agent, zinc oxide, and a cure accelerator.
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08C 19/22 - Incorporation d'atomes d'azote dans la molécule
C08C 19/25 - Incorporation d'atomes de silicium dans la molécule
C08F 232/08 - Copolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un système carbocyclique contenant des cycles condensés
C08G 8/10 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols d'aldéhydes de formaldéhyde, p. ex. de formaldéhyde formé in situ avec du phénol
A method of recycling waste tires includes subjecting a waste tire material to a hydrothermal cracking process to generate a solid component and a fluid component, the fluid component comprising oil and water. At least one filler material, selected from carbon black, silica, and mixtures thereof, is recovered from the solid component. The oil in the fluid component is fractionated to generate at least two oil fractions. A first of the oil fractions is refined to isolate at least one of a wax and a process oil. A second of the oil fractions is subjected to steam cracking to form precursors for forming components of rubber tire. The components of the tire are formed from the precursors, the least one filler material, and the at least one the wax and the process oil, enabling at least 50 wt. % of a new tire to be derived from the waste tire material.
C08J 11/14 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation par traitement avec de la vapeur ou de l'eau
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
C08L 9/00 - Compositions contenant des homopolymères ou des copolymères d'hydrocarbures à diènes conjugués
44.
SILICA-BASED RUBBER COMPOUND WITH IMPROVED HYSTERESIS AND DISPERSION
In one aspect, the disclosure relates to rubber compositions including a plurality of silica particles, a nonionic surfactant having a hydrophilic lipophilic balance (HLB) value of from about 8 to about 14, and at least one rubber material. In some aspects, the nonionic surfactant can have the formula CH3—(CH2)n—(O—(CH2)x)m—OR;
wherein n is an integer from 1 to 18;
wherein x is an integer from 1 to 8;
wherein m is an integer from 1 to 15; and
wherein R is a branched or straight chain C1-C20 alkyl group.
In one aspect, the disclosure relates to rubber compositions including a plurality of silica particles, a nonionic surfactant having a hydrophilic lipophilic balance (HLB) value of from about 8 to about 14, and at least one rubber material. In some aspects, the nonionic surfactant can have the formula CH3—(CH2)n—(O—(CH2)x)m—OR;
wherein n is an integer from 1 to 18;
wherein x is an integer from 1 to 8;
wherein m is an integer from 1 to 15; and
wherein R is a branched or straight chain C1-C20 alkyl group.
Also disclosed are methods of making the rubber compositions and vulcanized rubber articles including tires and/or tire treads made from or including the rubber compositions.
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.
G07C 5/04 - Enregistrement ou indication du temps de circulation, de fonctionnement, d'arrêt ou d'attente uniquement utilisant des moyens de comptage ou compteurs à horloge
46.
COMPENSATING FOOTPRINT LENGTH FOR INFLATION PRESSURE CHANGES
Disclosed are various embodiments for compensating footprint length for inflation pressure changes in tires. Various embodiment can receive a tire pressure measurement for a tire and an uncompensated footprint length for the tire. Various embodiments can calculate an inflation difference between the tire pressure measurement and a target tire pressure for the tire. Then, various embodiments can calculate an inflation ratio by at least on finding a quotient of the inflation difference over the target tire pressure for the tire. Based at least on the inflation ratio, various embodiments can determine a compensated footprint length. Then, various embodiments can send the compensated footprint length to a vehicle system.
B60C 23/00 - Dispositifs pour mesurer, signaler, commander ou distribuer la pression ou la température des pneumatiques, spécialement adaptés pour être montés sur des véhiculesAgencement sur les véhicules des dispositifs de gonflage des pneumatiques, p. ex. des pompes ou des réservoirsAménagements pour refroidir les pneumatiques
B60C 23/04 - Dispositifs avertisseurs actionnés par la pression du pneumatique montés sur la roue ou le pneumatique
The present invention is directed to a non-pneumatic tire comprising a tread portion, bead portions, a belt portion, and at least one carcass ply including a top portion extending radially below and along the belt portion. Furthermore, the carcass ply has two laterally opposite side portions wherein each side portion extends from the top portion towards a respective bead portion. Still in accordance with the invention, the tire comprises a shearband extending in a circumferential direction radially below and along the top portion of the at least one carcass ply to support both side portions of the at least one carcass ply in an axial direction. Moreover, the present invention is directed to a tire rim assembly comprising such a tire.
B60C 9/18 - Structure ou disposition des ceintures, des couches de protection, des couronnes de renforcement ou des couches amortissantes
B60C 1/00 - Pneumatiques caractérisés par la composition chimique, la disposition ou le mélange physique de la composition
B60C 7/22 - Pneumatiques non gonflables ou bandages pleins ayant des couches incorporées autres que celles visant à augmenter l'élasticité, p. ex. pour armaturer
48.
SYSTEMS AND METHODS FOR INCLUDING SENSORS ON WHEELS
Disclosed are various embodiments for including sensors, lights, or other functional and aesthetic components on a tire or wheel. A sensor can be inserted through a hole in a tread groove of a tire. Additionally, a rim valve can include a sensor, an indicator, or both. Further, a sensor can be included on a wheel center cap. A tire can include a recess to receive a patch. In addition, a rim protector can include various accessories. Finally, a customizable wheel can include numerous attachments and accessories.
Disclosed is a road condition prediction system for vehicles. First, a computing device receives ambient temperature and relative humidity data from a vehicle, the ambient temperature and relative humidity data having been collected by a tire sensor mounted to an exterior of a tire of the vehicle or an exterior of a wheel of the vehicle. Then, the computing device applies a machine-learning model to the temperature and humidity data from the vehicle to predict a road condition for the vehicle. Subsequently, the computing device sends the road condition for the vehicle to a control system of the vehicle.
B60T 8/1763 - Régulation des freins spécialement adaptée pour la prévention du dérapage excessif des roues pendant la décélération, p. ex. ABS en fonction du coefficient de frottement entre les roues et la surface du sol
B60T 8/171 - Détection des paramètres utilisés pour la régulationMesure des valeurs utilisées pour la régulation
B60T 8/172 - Détermination des paramètres de commande utilisés pour la régulation, p. ex. par des calculs impliquant des paramètres mesurés ou détectés
B60T 8/175 - Régulation des freins spécialement adaptée pour la prévention du patinage excessif des roues pendant l'accélération du véhicule, p. ex. pour la commande de la traction
B60T 17/00 - Éléments, parties constitutives ou accessoires des systèmes de freins non couverts par les groupes , ou , ou présentant d'autres caractéristiques intéressantes
G01N 19/02 - Mesure du coefficient de frottement entre matériaux
National Technology & Engineering Solutions of Sandia, LLC (NM)
Inventeur(s)
Sobhanie, Mohammad
Saligrama Karidevaiah, Padmarajaiah
Voskuilen, Tyler
Walsh, Tim
Crane, Nathan
Abrégé
A plurality of air flow velocity vectors are generated at a plurality of predefined angles of rotation of a digital model of a rotating tire. Individual ones of the vectors are associated with a corresponding one of a plurality of first cells of a first mesh with a tread of the rotating tire or a corresponding one of a plurality of second cells of a second mesh in a volume around the rotating tire. Air flow velocity vectors are converted into corresponding ones of a plurality of Lighthill stress tensors. An acoustic pressure is generated at a plurality of points on a surface of the volume for each of the predefined angles of rotation of the rotating tire based on the Lighthill stress tensors. An estimate of a magnitude of sound generated by the rotating tire is determined from the acoustic pressure at a respective one of the points.
G06F 30/15 - Conception de véhicules, d’aéronefs ou d’embarcations
G06F 30/23 - Optimisation, vérification ou simulation de l’objet conçu utilisant les méthodes des éléments finis [MEF] ou les méthodes à différences finies [MDF]
G06F 119/10 - Analyse du bruit ou optimisation du bruit
51.
SYSTEM AND METHOD FOR CREATING CONTRAST ON A SURFACE
A tire or other rubber item is described that has a surface such as a sidewall. A region on the surface includes a plurality of protrusions. The protrusions are positioned in a pseudo-random pattern within the region. Various features of the protrusions may be varied in a random or pseudo-random manner.
A process for producing a functionalized polymer includes reacting a condensation suppressant comprising an alkoxysilane with an aminosilane functionalized polymer to form a stable functionalized polymer in the polymer cement.
A tire tread suited to use in drive tires for long-haul freight trucks is formed from a vulcanizable rubber composition including 100 phr of an elastomer component which includes natural rubber and a polydiene rubber, at least 40 phr of carbon black, and a curative system including a sulfur-based curing agent, a zinc-based cure activator, an organic cure activator, and a combination of cure accelerators. The cure accelerators include (i) a sulfenamide accelerator, (ii) a metal dithiocarbamate accelerator, and (iii) at least one of a thiazole polysulfide accelerator and a thiuram polysulfide accelerator.
The invention is directed to a tire comprising an innerliner including a recess with a depth within a range of 20 μm to 3000 μm and a stepped sidewall, wherein at least one step of the recess' sidewall includes a height within a range of 5 μm to 1500 μm. Furthermore, the invention is directed to a method of processing a tire including an inner surface, wherein the method comprises creating a stepped recess in an area of the inner surface by removing a first thickness of elastomer composition in a first subarea, removing a second thickness of elastomer composition in a second subarea, wherein the second subarea at least partially overlaps with the first subarea so that a third thickness of elastomer composition is removed in an overlapping zone of the first subarea and the second subarea.
B60C 5/14 - Pneumatiques ou chambres intérieures gonflables sans éléments internes gonflables distincts, p. ex. pneumatiques sans chambre à air dont la section transversale est ouverte sur la jante avec chemise ou revêtement imperméable sur la paroi intérieure du pneumatique
B29D 30/06 - Pneumatiques ou leurs parties constitutives
In one aspect, the present invention is directed to a tire comprising a circumferential tread portion and an inner surface partially enclosing a tire cavity, as well as a circumferential sealant layer at least partially provided on the inner surface radially below the tread portion. Furthermore, the tire comprises a first electrically conductive layer at least partially covering a surface of the sealant layer, and a second electrically conductive layer being non-conductively separated from the first electrically conductive layer. A sensor system of the tire is in separate electrical contact with the first electrically conductive layer and the second electrically conductive layer, wherein the sensor system is further configured to detect an increase in electrical conductivity or a short-circuit between the first electrically conductive layer and the second electrically conductive layer.
A tire tread and a pneumatic tire including the tread are described. The tread is formed from a vulcanizable rubber composition, which includes 50-70 phr of polybutadiene rubber, 30-50 phr of a solution-polymerized styrene butadiene rubber with a styrene content of 5-15 wt. % and a Tg of −70° C. to −50° C., at least 100 phr of silica, at least 6 parts by weight per hundred parts of the silica of an organosilane coupling agent, at least 2 phr of processing oil, at least 40 phr of resin, the resin including a hydrocarbon traction resin and a tackifier resin, and a cure package including a sulfur-based curing agent, zinc oxide, and a cure accelerator. The rubber composition provides the tire with a good balance of wet, dry, and cold performance characteristics.
A process for producing an ethylene-butadiene copolymer includes copolymerizing butadiene with ethylene in the presence of a catalyst system. The catalyst system includes tris[(trimethylsilyl)methyl]scandium and an aluminum-containing activator.
A process for producing a stable silica/hydrocarbon solution includes ultrasonically mixing silica and a silane in a hydrocarbon solvent. The solution may be dried to obtain a surface-modified silica. The solution may be mixed with a polymer cement to produce silica-rubber (e.g., silica-SSBR) masterbatch products.
A process for producing a stable silica/hydrocarbon solution includes ultrasonically mixing silica and a silane in a hydrocarbon solvent. The solution may be dried to obtain a surface-modified silica. The solution may be mixed with a polymer cement to produce silica-rubber (e.g., silica-SSBR) masterbatch products.
In one aspect, the invention is directed to a tire including an inner surface comprising an elastomer composition and partially enclosing a tire cavity. The tire further comprises a component including an attachment surface comprising a polymer composition, which is attached to a portion of the inner surface via an adhesive, wherein the attachment surface comprises a surface pattern comprising elevations including a height within a range of 20 μm to 1000 μm. In a second aspect, the invention is directed to a method of attaching a component to a portion of an inner surface of a tire. Furthermore, the invention is directed to a sensor container assembly comprising a sensor container and a tire pressure sensor.
A method for producing a masterbatch includes feeding (e.g., continuously feeding) a first composition containing an elastomeric latex (e.g., a natural rubber latex) to a coagulation chamber; and feeding (e.g., continuously feeding) a second composition containing a particulate filler (e.g., carbon black) to the coagulation chamber. The carbon black is fed directly from a sonication chamber to the coagulation chamber and/or a sonication device facilitates ultrasonic mixing within the coagulation chamber. The first composition and the second composition are mixed in the coagulation chamber to form the masterbatch. The second composition may be fed to the coagulation chamber at a pressure of at least about 300 psig and/or a velocity of at least about 100 feet per second. The masterbatch may be dry mixed with an additional elastomer to form an elastomeric composite blend.
A method for producing a masterbatch includes continuously feeding a first composition containing an elastomeric latex to a coagulation chamber; and continuously feeding a second composition containing a particulate filler and a salt to the coagulation chamber. The first composition and the second composition are mixed in the coagulation chamber to form the masterbatch. The salt may be provided so that a salt concentration in the coagulation chamber matches that necessary to bring a magnitude of the zeta potential of the latex to be within a range of 30 to 15 mV, 15 to 1 mV, or 1 to 0 mV. The second composition may be fed to the coagulation chamber at a pressure of at least about 300 psig and/or a velocity of at least about 100 feet per second. The masterbatch may be dry mixed with an additional elastomer to form an elastomeric composite blend.
A racing tire sized for a racing truck includes a tread including first and second layers formed of first and second rubber compositions. The first layer defines a first portion of a road-contacting surface of the tread. The second layer defines a second portion the road-contacting surface of the tread and is only partially covered by the first layer. The first rubber composition includes 70 to 92 phr of a solution-polymerized styrene butadiene rubber and at least one of an isoprene rubber and a polybutadiene rubber, and 50 to 160 phr of silica. The first rubber composition includes a resin at a higher phr than the second rubber composition. The second rubber composition includes 70 to 100 phr of a polyisoprene rubber, 5 to 30 phr of silica, and carbon black. Carbon black is at a higher phr in the second rubber composition than in the first rubber composition.
The invention is directed to a non-pneumatic tire comprising a circumferential tread portion, a circumferential shearband carrying the tread portion, a hub portion, and a supporting structure supporting the shearband on the hub portion. Said shearband and supporting structure are mechanically interlocked with each other and/or the tire comprises a fabric layer extending along a radially inner surface of the shearband and a radially outer surface of the supporting structure. The invention is also directed to a method of making a non-pneumatic tire, comprising the steps of providing a fabric layer having a first surface with a plurality of protrusions, applying a thermoplastic polymer onto the first surface to form a portion of a supporting structure, providing a shearband, and curing the shearband to a second surface of the fabric layer, which is opposite to the first surface.
B60C 7/10 - Pneumatiques non gonflables ou bandages pleins caractérisés par des dispositifs pour augmenter l'élasticité
B32B 3/30 - Produits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche continue dont le périmètre de la section droite a une allure particulièreProduits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche comportant des cavités ou des vides internes caractérisés par une couche comportant des retraits ou des saillies, p. ex. des gorges, des nervures
B32B 5/26 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par la présence de plusieurs couches qui comportent des fibres, filaments, grains ou poudre, ou qui sont sous forme de mousse ou essentiellement poreuses une des couches étant fibreuse ou filamenteuse un autre couche également étant fibreuse ou filamenteuse
B32B 37/12 - Procédés ou dispositifs pour la stratification, p. ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
B32B 38/00 - Opérations auxiliaires liées aux procédés de stratification
B60C 7/22 - Pneumatiques non gonflables ou bandages pleins ayant des couches incorporées autres que celles visant à augmenter l'élasticité, p. ex. pour armaturer
B60C 9/18 - Structure ou disposition des ceintures, des couches de protection, des couronnes de renforcement ou des couches amortissantes
The present invention is directed to a tire comprising a tread, a pair of bead portions, a pair of sidewalls, wherein each of the sidewalls extends from the tread towards a respective bead portion, at least one carcass ply, and one or more belt plies. Moreover, the tire comprises at least one rubber strip having an electrical volume resistivity lower than 108 ohm·cm, extending from a radially inner position of the tread and along one of the sidewalls towards the respective bead portion.
In one aspect, the invention is directed to a tire in which a first sidewall and a first chafer adjacent the first sidewall have an electrical volume resistivity lower than 108 ohm·cm. Moreover, at least one of a second sidewall and a second chafer adjacent the second sidewall has an electrical volume resistivity higher than 109 ohm·cm. In another aspect, each of a first sidewall and a first chafer comprises at least 39 phr of carbon black, and at least one of a second sidewall and a second chafer comprises at most 35 phr of carbon black. In still another aspect, a tire has first and second tread base layers, arranged axially beside each other, wherein the first tread base layer has an electrical volume resistivity lower than 108 ohm·cm, and the second tread base layer has an electrical volume resistivity higher than 109 ohm·cm.
In a first aspect, the invention is directed to a non-pneumatic tire comprising a circumferential tread portion and a supporting structure comprising a circumferential hub portion and a plurality of supporting elements which are arranged radially between the circumferential tread portion and the circumferential hub portion and which extend from the hub portion towards the tread portion to support the tread portion on the hub portion. At least one of the supporting elements comprises i) a first portion comprising a first elastomer composition having a first stiffness, and ii) a second portion, radially adjacent the first portion, comprising a second elastomer composition having a second stiffness which is different from the first stiffness.
A pneumatic tire comprises a tread; a bead region, a sidewall; a bead core; a first apex; an apex-extension; a carcass; a chafer and a second apex. The second apex is positioned between a rim flange protector and the first apex or the extension. The carcass includes a first ply turned-up around the bead core to form a first turnup portion extending along the first apex and the extension and terminating radially inwardly from the radially outward end of the extension. The carcass may include a second ply turned-up, between the bead core and the first ply, around the bead core to form a second turnup portion, the second turnup portion extending along the axially outer side of the first apex. Alternatively, the carcass may include a second ply parting from the first ply at the extension and extending along the extension and the turnup portion of the first ply.
The invention is directed to a non-pneumatic tire comprising a tread band, sidewalls having each a carcass ply, wherein each of the carcass plies extends only on one lateral side of the tire. Radially outer end portions of the carcass plies are attached to the tread band in parallel to the tread band and point essentially in opposite axially outer directions. The invention is also directed to a non-pneumatic tire comprising a tread band and first and second carcass plies, wherein each of these carcass plies is provided on only one lateral side of the tire and has two radially inner bead portions, a radially outer top portion attached to the tread band and two intermediate portions extending transversely to the tread band from the top portion to the respective bead portion. Furthermore, the present invention is directed to tire rim assemblies comprising such tires.
The present invention is directed to a non-pneumatic tire comprising a rubber component, such as a shearband, comprising at least one textile cord, wherein the textile cord comprises yarns, and wherein the majority of the yarns are fused together in the cord. Moreover, the yarns are chosen from one or more of aramid, polyamide, polyester, polyethylene terephthalate, polyethylene naphthalate, glass fiber and carbon fiber yarns.
The present invention relates to pneumatic tires comprising a dual-layer tread made of a first layer comprising a first tread compound having a first tread property and a second layer comprising a second tread compound having a second tread property.
The present invention relates to a tire mold for manufacturing at least one pneumatic tire. The present invention further relates to a method of manufacturing a tire mold. The present invention further relates to a molding kit comprising the tire mold. The present invention further relates to a tire cured in a tire mold.
A tire component formed from a rubber composition comprises a majority weight percent of renewable materials. The rubber composition comprises, based on 100 parts per weight (phr) of elastomer: a blend of at least two rubber elastomers selected from a group consisting of: greater than 50 phr of at least one mass balanced polymer; at least one bio-derived plasticizer; and a bio-derived filler system comprising silica and carbon black. The carbon black filler is at least partially derived from a bio-based feedstock prior to its addition to the rubber composition. The resin and the silica are also derived from renewable materials.
A rubber composition suited to forming a tread for a winter tire includes, expressed as parts by weight per hundred parts of rubber (phr): 100 phr of an elastomer component including a polybutadiene rubber and a styrene butadiene rubber. A filler component includes at least 10 phr aluminum hydroxide, at least 70 phr silica, and 0-20 phr carbon black. The composition further includes an organosilane coupling agent, one or more processing aids, selected from liquid plasticizers, waxes, and resins and a cure package including a sulfur-based curing agent, an activator selected from inorganic activators, organic activators, and combinations, and a cure accelerator.
A rubber composition for an innerliner includes 100 phr of elastomers, including at least 60 phr of a butyl rubber, and 0 to 40 phr of diene-based rubber. The composition further includes 35 to 70 phr of a reinforcing filler and a curing system including zinc oxide and optionally a sulfur-based curing agent.
The present invention is directed to a tread and a tire having a tread, wherein over most of a circumferential length i) a maximum axial width in a top portion of a tread groove is at least 5% smaller than an axial width of the tread groove in its bottom portion, ii) the axial width of the tread groove in the bottom portion is at least 5% smaller than the maximum axial width of the tread groove in a radial intermediate portion of the tread groove, and iii) a maximum axial width of the tread groove in the intermediate portion is within a range of 15% to 50% of the total radial height of the tread groove.
B60C 11/13 - Sculptures des bandes de roulement caractérisées par la section transversale de la rainure, p. ex. pour étayer les parois, ou pour empêcher le coincement de pierres
The present invention is directed to a tire comprising a tread and a belt portion located radially below the tread, wherein the belt portion comprises a pair of working belts and a low angle belt. The low angle belt has reinforcement elements having an angle of less than 5° with a circumferential direction of the tire. In a first aspect, the low angle belt comprises a first layer and one or more further layers, wherein the first layer extends over at least 70% of the axial width of the axially largest working belt, and wherein each layer of the one or more further layers extends over at most 50% of the width of the axially largest working belt and is arranged radially below one of the shoulder grooves.
B60C 9/20 - Structure ou disposition des ceintures, des couches de protection, des couronnes de renforcement ou des couches amortissantes constituées par des nappes gommées ayant chacune leurs fils disposés sensiblement en parallèle
B60C 9/00 - Armatures des pneumatiques ou disposition des nappes dans ces derniers
A tire may include a bead portion, a carcass, an apex, a belt package, and three gum layers. The carcass may be anchored around the bead core of the bead portion and may comprise a carcass plies portion and a turnup portion. The apex may be located between the carcass plies portion and the turnup portion. The belt package may be arranged between the carcass and a tread. The gum layers may include (a) a sidewall gum layer that extends from a first end located at the apex along the carcass plies to a second end; (b) a wraparound gum layer that wraps around an end of a first inner zigzag belt structure of the belt package; and (c) a belt gum layer that extends from a first end located between the belt package and the carcass plies along the carcass plies to a second end.
Disclosed are various approaches to depositing an RFID tag or chip within a rubber substrate. A radio frequency identifier (RFID) chip encapsulated with an adhesive or adhesion promoter is attached to the rubber substrate. Then, a wire antenna is attached to the rubber substrate and inductively coupled to the RFID tag. The wire antenna can be encapsulated with an adhesive or adhesion promoter. The wire antenna can also be arranged longitudinally along the rubber substrate in a plurality of loops with at least one of the plurality of loops placed around the RFID tag.
G06K 19/077 - Détails de structure, p. ex. montage de circuits dans le support
B60C 23/04 - Dispositifs avertisseurs actionnés par la pression du pneumatique montés sur la roue ou le pneumatique
G06K 19/07 - Supports d'enregistrement avec des marques conductrices, des circuits imprimés ou des éléments de circuit à semi-conducteurs, p. ex. cartes d'identité ou cartes de crédit avec des puces à circuit intégré
H01Q 1/22 - SupportsMoyens de montage par association structurale avec d'autres équipements ou objets
H01Q 7/00 - Cadres ayant une distribution du courant sensiblement uniforme et un diagramme de rayonnement directif perpendiculaire au plan du cadre
Disclosed are various embodiments related to theft event detection and classification of theft of tires and/or wheels on a vehicle, such as a semi-tractor, semi-trailer. A theft event detection and classification system can include at least one computing device including a vehicle computing device comprising an accelerometer. The system can also include tire sensors, corresponding to tires on the vehicle, and in data communication with the vehicle computing device. The system can execute a theft monitoring application to detect vibration signals by the accelerometer and generate an event data record comprising the vibration signal information, tire sensor records comprising retrieved sensor information, and a vehicle environment record. The theft event detection and classification system can execute a theft detection application to analyze the event data record to classify the event and a notification of the possible theft event.
B60R 25/34 - Détection relative au vol ou autres événements relatifs aux systèmes antivol de l’état des composants du véhicule, p. ex. des fenêtres, des serrures des portes ou des appareils de sélection de changement de vitesse
Disclosed are various embodiments for sensing irregular wear of a tire tread. A tire is providing having an innerliner adjacent to a belt package, an undertread adjacent to the belt package opposite the innerliner, and a tread adjacent to the undertread opposite the belt package. The tread includes a plurality of tread elements and a conductive filament disposed laterally within the tread. The conductive filament includes a pair of ends extending radially through the undertread and the belt package to the innerliner and terminates into a corresponding pair of sensor contacts. A sensor adjacent to a radially inward side of the innerliner is also included in the tire, the sensor having a pair of electrical contacts in electrical contact with the sensor contacts.
A tire with printed sensors includes a pair of bead areas, a tread disposed radially outwardly of the bead areas, and a pair of sidewalls, including an inboard sidewall extending from a first bead area to the tread, and an outboard sidewall extending from a second bead area to the tread. A carcass extends toroidally between each of the bead areas radially inwardly of the tread, and an innerliner is formed on an inside surface of the carcass. A plurality of sensors are printed on the innerliner in a sidewall zone of the inboard sidewall or in a sidewall zone of the outboard sidewall, and are configured to measure deformation in the sidewall zone. The plurality of sensors are daisy-chained to provide a single deformation signal that is based on the measured deformations of the plurality of sensors.
The present disclosure relates to programming tire sensors mounted to a tire of a vehicle. An identification tag device (e.g., radio frequency identification (RFID) tag) stores tire information data and/or other data that is unique to a given tire. The identification tag device can be attached to or otherwise contained within a tire-integrated sensor mount configured to support a sensor. The identification tag device transmits tire identification data and/or other data stored by the identification tag device to a sensor when the sensor is attached to or otherwise supported by the tire-integrated sensor mount. The sensor can obtain the tire identification data associated with the tire on which the sensor is mounted, thereby allowing the sensor to associate collected sensor data (e.g., pressure, temperature, etc.) with the tire identification data that is unique to the tire.
B60C 23/04 - Dispositifs avertisseurs actionnés par la pression du pneumatique montés sur la roue ou le pneumatique
G06K 19/07 - Supports d'enregistrement avec des marques conductrices, des circuits imprimés ou des éléments de circuit à semi-conducteurs, p. ex. cartes d'identité ou cartes de crédit avec des puces à circuit intégré
G06K 19/077 - Détails de structure, p. ex. montage de circuits dans le support
A method for forming a composite apex, the method comprising the steps of: forming a coextruded strip of a first compound and a second compound, wherein the second compound is a compound different than the first compound, wherein the apex is formed from winding the coextruded strip while varying the ratio of the first compound to the second compound.
B29D 30/30 - Mise en place des couchesGuidage ou étirage des couches en cours d'application
B29C 48/49 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans la filière ou la matrice utilisant plusieurs extrudeuses pour alimenter une matrice ou une filière
B29D 30/62 - Application de bandes de chapes en caoutchouc, c.-à-d. application de bandes de rechapage non vulcanisées par extrusion ou injection de la chape sur la carcasse
Disclosed are various embodiments for sensing wear of a tire tread. A tire comprises an innerliner, a plurality of belts layered adjacent to the innerliner, a tread adjacent to the plurality of belts opposite the innerliner and a treadwear sensor positioned in the innerliner. The treadwear sensor comprises a base plate on an interior side of the innerliner and a tube extending from the base plate through the innerliner and the plurality of belts to a first wear depth in the tread. When the tread is worn to the first wear depth, an end of the tube is exposed through the tire.
LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (Luxembourg)
Inventeur(s)
Fehr, Duc Alexandre
Petry, Frank
Nava Velazco, Uriel Rodrigo
Abrégé
The invention provides a computer-implemented method and a system for automatically segmenting thermal images of a tire's footprint in order to identify components of the tire's tread pattern. The invention relies on a convolutional neural network model and on digital image pre-filtering. It is capable of accurately segmenting thermal footprint images of tires in either straight rolling or cornering conditions, which allows for the accurate extraction of temperature data for each identified tread pattern component.
G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
A radial tire includes a pair of bead cores, a carcass having one or a plurality of carcass plies extending from one of the bead cores to the other of the bead cores in a toroidal form, a tread portion circumferentially encircling the toroidal form of the carcass, and a belt structure disposed radially between the carcass and the tread portion having a main belt layer, a first, unreinforced rubber layer disposed on a radially outer side of the main belt layer, a second, unreinforced rubber layer disposed within the main belt layer, and a protective belt layer disposed on a radially outer side of the first, unreinforced rubber layer and a radially inner side of the tread portion. A radially outermost layer of the main belt layer has a plurality of reinforcement cords each having a diameter, and the first and second, unreinforced rubber layers have first and second radial thicknesses, respectively, relative to such diameter.
B60C 9/20 - Structure ou disposition des ceintures, des couches de protection, des couronnes de renforcement ou des couches amortissantes constituées par des nappes gommées ayant chacune leurs fils disposés sensiblement en parallèle
A tire sidewall rubber composition comprises, based on parts by weight per 100 parts by weight rubber (phr): (A) a blend of polymers comprising at least a polyisoprene and polybutadiene; (B) a reinforcing filler; and (C) a cure package comprising sulfur and at least three accelerators including diphenyl guanidine and tetra benzyl thiuram disulfide and a sulfenamide.
A cobalt-free steel cord-rubber composite article includes, in sequence, a steel cord core, a steel cord coating, and a rubber layer. The steel cord coating contains from about 61 wt % to about 66 wt % copper, from about 3.5 wt % to about 6.5 wt % iron, and a balance of zinc and unavoidable impurities. The rubber layer is formed from a rubber compound including 100 phr of at least one elastomer; sulfur; about 20 phr to about 100 phr of at least one filler; about 2 phr to about 15 phr of zinc oxide; and about 0.5 phr to about 3.0 phr of at least one accelerator, containing no cobalt and no resin.
A tire comprising a tire tread having a tread region comprising a first and second rib, wherein the first and second ribs are separated by a groove; at least one tie-bar element disposed within the groove, and the tie-bar block element having opposed sidewalls separated by a radially extending groove, wherein the radially extending groove tapers from a first width to a second width, wherein the second width is wider than the first width.
B60C 11/13 - Sculptures des bandes de roulement caractérisées par la section transversale de la rainure, p. ex. pour étayer les parois, ou pour empêcher le coincement de pierres
B60C 11/04 - Sculptures des bandes de roulement dans lesquelles la surface en relief des sculptures est composée uniquement de nervures circonférentielles continues, p. ex. en zigzag
A coupling agent, a rubber composition, and a shaped article formed from the rubber composition, such as a pneumatic tire, are described. The coupling agent is represented by Formula I, and is capable of linking a substrate, such as a mineral oxide, carbon black or brass, to an unsaturated elastomer:
A coupling agent, a rubber composition, and a shaped article formed from the rubber composition, such as a pneumatic tire, are described. The coupling agent is represented by Formula I, and is capable of linking a substrate, such as a mineral oxide, carbon black or brass, to an unsaturated elastomer:
FG1-LG1-Sa-LG2-FG2 Formula I
where FG1 and FG2 each represent a functionalized arylene group, which can be the same or different; LG1 and LG2 each represent a linking group, which can be the same or different; and Sa represents a sequence of two or more connected sulfur atoms, where a is a number which is at least 2.
LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (Luxembourg)
Inventeur(s)
Shaplov, Alexander
Nikishkin, Nicolai
Weydert, Marc
Abrégé
The present invention is directed to a diene-norbornene copolymer comprising 1,4 diene repeat units and norbornene repeat units, wherein at least 95% of all 1,4 diene repeat units in the copolymer are cis 1,4 diene repeat units. Moreover, the invention is directed to a method of synthesizing such a copolymer and a rubber composition comprising the copolymer.
C08F 232/08 - Copolymères de composés cycliques ne contenant pas de radicaux aliphatiques non saturés dans une chaîne latérale et contenant une ou plusieurs liaisons doubles carbone-carbone dans un système carbocyclique contenant des cycles condensés
A rubber composition is disclosed comprising, based on 100 parts by weight of elastomer (phr): one or more elastomers selected from the group consisting of styrene-butadiene, polybutadiene, natural rubber, polyisoprene, and mixtures thereof; and a silylated material derived from a polyol or a polyol derivative. Also, a tire having a component comprising such a rubber composition is disclosed. Finally, a method of forming a sulfur-curable rubber composition for incorporation in a tire is disclosed, the method comprising: selecting a starting material comprising a polyol or a derivative of a polyol; condensing the starting material with a fatty acid to generate an esterified material; performing a silylation on the esterified material to generate a silylated material; and combining the silylated material with at least one elastomer in a rubber composition, the elastomer being selected from the group consisting of styrene-butadiene, polybutadiene, natural rubber, polyisoprene, and mixtures thereof.
