Class / Patent application number | Description | Number of patent applications / Date published |
152331100 | Multiple chamber | 22 |
20080302458 | Adjustable Inner Tube - An adjustable inner tube for a pneumatic tire includes a valve and a continuous tube. The continuous tube includes a first segment and a second segment, wherein the first segment covers a portion of the second segment and the second segment may slide relative to the first segment to alter the circumference of the tube. | 12-11-2008 |
20110083778 | Tire and Wheel Noise Reducing Device and System - A system for dissipating sound shock waves within a vehicle tire includes a wheel upon which a tire is mounted to create an internal air chamber defined by the wheel and the tire. A flow-resistant barrier is coupled to the wheel or the tire and defines an air cavity within the internal air chamber. A porous spacer can support the barrier with respect to the tire and also can provide a flexible energy damper. The barrier comprises a material that provides an acoustical resistance to sound shock waves passing therethrough. The air cavity defined by the barrier has a volume such that air within the cavity offers relatively small impedance to the passage of shock waves through the barrier and into the air cavity. The barrier also can produce frictional heat when displaced by a shock wave, thereby converting energy of the shock wave to heat to reduce noise associated therewith. | 04-14-2011 |
20130098521 | TIRE AND WHEEL NOISE REDUCING DEVICE AND SYSTEM - A system for dissipating sound shock waves within a vehicle tire includes a wheel upon which a tire is mounted to create an internal air chamber defined by the wheel and the tire. A flow-resistant barrier is coupled to the wheel or the tire and defines an air cavity within the internal air chamber. A porous spacer can support the barrier with respect to the tire and also can provide a flexible energy damper. The barrier comprises a material that provides an acoustical resistance to sound shock waves passing therethrough. The air cavity defined by the barrier has a volume such that air within the cavity offers relatively small impedance to the passage of shock waves through the barrier and into the air cavity. The barrier also can produce frictional heat when displaced by a shock wave, thereby converting energy of the shock wave to heat to reduce noise associated therewith. | 04-25-2013 |
20130233459 | TYRE ASSEMBLY - There is provided a tyre assembly ( | 09-12-2013 |
152333100 | Transverse walls | 4 |
20080295938 | Tire/Wheel Assembly - Disclosed is a tire/wheel assembly allowed to still further enhance run-flat durability thereof with a simple configuration. A tire/wheel assembly of the present invention is a tire/wheel assembly where a run-flat support member inserted, coaxially with a rim, in a cavity portion of a pneumatic tire. The tire/wheel assembly is formed of a configuration where a retention groove for lubricant on an inner peripheral surface of the pneumatic tire is provided in a manner that the retention groove is faced at least to an apex of the run-flat support member. | 12-04-2008 |
20090038725 | Method and device for an inner-tube - An inner-tube divided into many isolated cells of air. Two tubes on inside circumference of said inner-tube, one for inflating air and the other for deflating air. Each cell has two one-way valves, one for filling air and the other for extracting air. The inflating valve could have an observation window or an air pressure gauge attached to it for indicating when there is a puncture in one or more of the cells of air in the inner tube. | 02-12-2009 |
20100218870 | Tire and Wheel Noise Reducing Device and System - A system for dissipating sound shock waves within a vehicle tire includes a wheel upon which a tire is mounted to create an internal air chamber defined by the wheel and the tire. A flow-resistant barrier is coupled to the wheel or the tire and defines an air cavity within the internal air chamber. The barrier comprises a material that provides an acoustical resistance to sound shock waves passing therethrough. The air cavity defined by the barrier has a volume such that air within the cavity offers relatively small impedance to the passage of shock waves through the barrier and into the air cavity. The barrier also can produce frictional heat when displaced by a shock wave, thereby converting energy of the shock wave to heat to reduce noise associated therewith. | 09-02-2010 |
20150027607 | MULTI- CHAMBERED TUBELESS TYRE AND METHOD FOR PRODUCING - A multi-chambered tubeless tyre or tube and manufacturing process for the same for vehicles comprising of a master chamber near wheel rim to keep/contain pressurized air/fluid; at least one chamber sandwiched between said master chamber and inner surface of tyre, said sandwiched chamber(s) has/have independent one way inlet valve for sealant or pressurized fluid/air as the case may be; said sandwiched chamber(s) are formed and joined in green state with said green tube or green tubeless tyre to achieve mechanical properties after vulcanization. Even independent chamber can be sandwiched between said master chamber and inner surface of tyre. This arrangement can be used in all kind of vehicles. It can be used in Self Supporting RFT (Run Flat Tyres), Auxiliary Supported RFT. It can be used for replacement of twin tire by providing extra wide tyre with multiple chambers with/without sealant. | 01-29-2015 |
152339100 | Annular chambers | 14 |
20080264538 | TIRE WITH A CELLULAR LAYER - A tire with a cellular layer is provided. The tire includes a tire structure formed of at least one crown extended by two sidewalls and two beads. A base of each of the two beads is configured to be mounted onto a rim seat. The tire also includes a carcass-type reinforcing structure anchored into the two beads, and a layer that includes a cellular material, also referred to as a cellular layer. The cellular layer is positioned on an inner wall of the tire structure, such that the cellular layer is bonded to the tire structure over at most over 20% of a surface of the cellular layer and is not bonded to the tire structure elsewhere on the surface. | 10-30-2008 |
20090139622 | Run-Flat Tire - A run-flat tire of improved load bearing capacity after being punctured is disclosed. The tire has two circumferential sidewalls, at least one circumferential intermediate wall interposed between the sidewalls, and a transverse base extending from one sidewall to the other and defining a compartment between a sidewall and an adjacent intermediate wall or between two adjacent intermediate walls. Each compartment is adapted to assume an expanded symmetrical configuration when an adjacent sidewall or intermediate wall is punctured. A carcass portion is provided within each sidewall, each intermediate wall and base. A shock absorber is provided in the vicinity of a junction connecting each intermediate wall to the base. A padding element is affixed to the inner liner portion applied to the bead wrap of each intermediate wall. | 06-04-2009 |
20100263777 | TIRE AND TIRE-RIM ASSEMBLY - A tire which is adapted to be mounted on a rim, and which includes: a tube body which is made of a thermoplastic material and is adapted to be fit on an outer peripheral section of the rim; and a tread provided in an outer side of the tube body, in which the tube body is fixed to the outer peripheral section of the rim in a close contact manner with positive gas pressure inside the tube body. | 10-21-2010 |
20110000596 | LOW NOISE RUN-FLAT TIRES - A tire includes a pair of sidewalls in spaced apart relation and extending substantially radially from a respective inner circumferential portion to a respective outer circumferential portion, a tread extending between and connecting outer circumferential portions of the sidewalls, at least a portion of a tire cavity defined by the tread and sidewalls, and a bead portion on the inner circumferential portion of each radially extending sidewall, the bead portion providing an engagement surface for engaging a wheel on which the tire is to be mounted, and a noise reducing foam disposed in at least a portion of the tire cavity. | 01-06-2011 |
20120247636 | TIRE AND WHEEL NOISE REDUCING DEVICE AND SYSTEM - A system for dissipating sound shock waves within a vehicle tire includes a wheel upon which a tire is mounted to create an internal air chamber defined by the wheel and the tire. A flow-resistant barrier is coupled to the wheel or the tire and defines an air cavity within the internal air chamber. The barrier comprises a material that provides an acoustical resistance to sound shock waves passing therethrough. The air cavity defined by the barrier has a volume such that air within the cavity offers relatively small impedance to the passage of shock waves through the barrier and into the air cavity. The barrier also can produce frictional heat when displaced by a shock wave, thereby converting energy of the shock wave to heat to reduce noise associated therewith. | 10-04-2012 |
152340100 | Mutually free walls | 8 |
20090000714 | Pneumatic Tire and Tire Assembly - The pneumatic tire includes an outer tire installed such that a bead portion is inscribed in a rim flange, and an inner tire inserted inside the outer tire and installed such that a bead portion is inscribed in the bead portion of the outer tire. A plurality of protrusions are provided in an annular outer side wall surface region extending in an outer side in a tire diametrical direction from a bead heel of the inner tire so as to be differentiated in the positions in the tire diametrical direction and overlap with one another when seen in a tire circumferential direction, and a ventilation path for feeding an air supplied to a portion near the bead heel into an air chamber is formed between the protrusions in a state where the outer side wall surface region is inscribed in the bead portion. | 01-01-2009 |
20090020201 | Pneumatic Tire Assembly - A pneumatic tire assembly comprising a rim, a pneumatic tire that has a double structure including an outer tire and an inner tire inserted thereinto, and is assembled with the rim, and air chambers formed inside and outside the inner tire, wherein the rim includes a pair of bead seats on which bead portions of the outer tire and the inner tire are placed, a first rim flange protruding outward in a diameter direction of the tire from a side end of the bead seat, a second rim flange disposed inside the first rim flange in a rim width direction and formed on at least one of the bead seats while protruding therefrom, and an air valve provided to the second rim flange, the outer tire is held by the first rim flange and the second rim flange with the bead portion thereof being nipped therebetween, the inner tire is mounted with the bead portion thereof being in internal contact with the second rim flange, and in an outer wall surface area of the inner tire extending outward from a position of a maximum height of the second rim flange in a diameter direction of the tire, a groove portion for feeding air supplied via the air valve into the air chamber formed outside the inner tire is formed into a concave shape. | 01-22-2009 |
20100116396 | Pneumatic sealing ring having an inner tube and expandable liner for a tube-type tire - A tube-type tire to be mounted on the rim of a (e.g., spoke-type) wheel such as that commonly used by a bicycle or a motorcycle, whereby the tube-type tire will operate without a conventional inner tube and as if it were tubeless. The tire includes a main tire section that is seated upon the generally flat shelf of the rim and a pneumatic sealing ring having an inner tube that is seated upon the beadwell of the rim. An air chamber of the inner tube of the sealing ring is inflated to a greater pressure than an air chamber of the main tire section so as to isolate the air chamber of the main tire section from the rim and force the main tire section against the vertical lip of the rim. The sealing ring also has an outer inflatable liner that is located in surrounding engagement with the inner tube to separate the inner tube from the air chamber of the main tire section. The outer liner has one or more O-ring seals projecting outwardly from the side walls thereof and a centering lip projecting downwardly from the side walls. The O-ring seals are moved into sealing engagement with the inside of the main tire section when the air chamber of the inner tube is inflated and the liner is expanded. The centering lips of the liner are seated upon the beadwell of the rim to cause the liner to be automatically centered over the inner tube. | 05-13-2010 |
20100206449 | Vehicle Wheel Having Inner Tire And Outer Tire - The present invention relates to a vehicle wheel having inner and outer tires which can allow a vehicle to be moved to a place of safety or a near service station by forming the inner and outer tires and by maintaining balance and steering control of the vehicle by means of the inner tire positioned inside the outer tire even when the outer tire blows out or gets torn. The vehicle wheel comprises a rim connected with an axle of a vehicle, an outer tire having a large diameter mounted on an outer circumferential surface of the rim and an inner tire having a small diameter positioned inside the outer tire and mounted on the rim, wherein a first air compression chamber formed between the outer circumferential surface of the rim and the inner tire and a second air compression chamber formed between the outer and inner tires. | 08-19-2010 |
20110272073 | SELF-INFLATING TIRE ASSEMBLY - A self-inflating tire assembly includes a tire having a tire cavity between first and second sidewalls that extend respectively from first and second tire core beads to a tire tread region. At least one of the sidewalls is provided with an air tube peristaltic pump assembly. An air tube has an internal tube air passageway and is positioned within a sidewall groove in contacting engagement with opposite groove surfaces surrounding the air tube. The sidewall groove operatively bends within a rolling tire footprint to compress the air tube from an expanded diameter to a flat diameter adjacent the rolling tire footprint. A core bead passageway extends within a core bead adjacent the one tire sidewall for operatively storing air evacuated from the air tube passageway. Conduits are provided to route air from the air tube to the core bead passageway and valve mechanisms are positioned within the core bead passageway to control the flow of air from the core bead passageway into the tire cavity. | 11-10-2011 |
20150090385 | TIRE ASSEMBLY FOR A BICYCLE RIM - The invention relates to a tire assembly for a bicycle rim, comprising a wheel tire with a tread surface and two tire beads which in the mounted condition bear on the interior side of the rim edges, an inner tire which in the mounted condition is disposed within the wheel tire, a tube which in the mounted condition is disposed within the inner tire, valve means for filling with different air pressures, on the one hand side, the tube and, on the other hand side, an intermediate space between the rim and the wheel tire, wherein the inner tire in the filled and mounted condition bears on the tire beads of the wheel tire at least in sections and presses said beads against the rim, wherein the inner tire is provided with a first through opening in its wall, wherein the first through opening in the mounted condition is in communication with the intermediate space between the rim and the wheel tire, and wherein an insert part is provided which in the mounted condition is disposed between the rim and the tube, and between the tube and the inner tire, and which at least in sections forms an air duct between the rim and the tube, and between the tube and the inner tire up to the through opening in the inner tire. | 04-02-2015 |
152341100 | With simultaneous inflating means | 2 |
20080264539 | TIRE WITH REDUCED ROLLING NOISE - A tire with reduced rolling noise includes a tire structure formed of at least one crown extended by two sidewalls and two beads. A base of each of the two beads is configured to be mounted onto a rim seat. The tire also includes a carcass-type reinforcing structure anchored into the two beads and an additional layer bonded to an inner wall of the tire structure. The additional layer is bonded to the tire structure at its edges and the rest of the additional layer is not bonded. The additional layer includes an inflation valve. | 10-30-2008 |
20100071820 | Tire and noise reducer - A tire is disclosed comprising a tread portion, two sidewall portions, two bead portions, an internal surface of the tire that forms a tire cavity, and at least three baffles within the tire cavity. The baffles may be made of compressible or non-compressible materials and may further include connecting members, encapsulating liners, or both. Further, a tire kit is disclosed comprising at least three baffles and at least one connecting member that connects the baffles. In addition, a method is disclosed that includes filling a tire with at least three baffles and then assembling the tire on a tire rim to reduce tire noise or to reduce tire force transmissibility. | 03-25-2010 |
152342100 | With simultaneous inflating means | 1 |
20100096056 | Re-inflatable inner tube - A Re-Inflatable tire and inner tube system comprising of a primary flexible inflatable chamber and at least one secondary flexible inflatable chamber housed within the primary flexible inflatable chamber wherein all chambers share a single common inflation valve and wherein pressure is administered and controlled through the common valve to inflate one chamber at a time, independent and separate from all other chambers, while simultaneously releasing pressure from the chambers not being inflated. | 04-22-2010 |