| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 152418000 | Wheel carried supply | 43 |
| 20080314487 | Seal Arrangement for a Tyre Pressure-Regulating Device - Seal arrangement for a tire pressure-regulating device for a motor vehicle, comprising a compressed-air supply to a vehicle tire through a hole in the inner ring of a rolling bearing of a wheel bearing, through a seal housing which is connected to a wheel hub in a rotationally fixed manner and through the wheel hub itself, wherein a flat seal is fixed on the inner ring of the rolling bearing, with the radially outer end of the said seal having a sealing lip which is directed towards the seal housing and bears against it. | 12-25-2008 |
| 20090218023 | Method for Controlling the Pressure in a Wheel for Vehicles and Wheel Having Controlled Pressure According to Said Method - A wheel having a controlled and compensated pressure includes: a rim associated with a tank adapted to be filled with a fluid to a first pressure; a tyre mounted on the rim and having an inner volume inflated to an operating pressure, the operating pressure being lower than the first pressure; at least one primary valve adapted to regulate communication between the tank and the inner volume of the tyre; the primary valve including at least one elastic element operatively associated with a closure member designed to open and close a port of the primary valve to bring the tank into communication with the tyre, when the pressure of the tyre is lower than the operating pressure, the elastic element having an elastic constant showing a variation of 10% to 40% within a temperature range between about −50° C. and about 50° C. A one-way valve hinders the fluid from flowing back from the tyre to the tank in the absence of pressure within the tank. | 09-03-2009 |
| 20100314015 | Magneto-Rheological Elastomer Wheel Assemblies With Dynamic Tire Pressure Control - A wheel assembly includes a magneto-rheological elastomer (MRE) assembly disposed between a rim and a tire assembly. The MRE assembly may be configured to adjust a tire pressure within a chamber between the rim and the tire assembly when a magnetic field is applied to the MRE assembly. | 12-16-2010 |
| 20100326578 | DEVICE FOR ADJUSTMENT OF PRESSURE IN TIRES - A device for adjustment of pressure in tires includes a chamber with shape memory and a valve. The valve is a three-way valve with inputs interconnected with the external environment and the tire internal space, where one input is fitted with a valve, the next input is connected to one end of the chamber with shape memory, and the last input is interconnected with the closure element. The device for adjustment of pressure in tires includes the chamber with shape memory interconnected with the external environment through an input and with the tire chamber through an output and fitted with at least one valve. The length of the chamber in the direction of tire rotation equals 0.001 to 0.5 of the tire perimeter, where the volume of the chamber before deformation to volume of the chamber during deformation ratio is the same or higher then the desired tire pressure to pressure of the external environment ratio. | 12-30-2010 |
| 20110162773 | TIRE INFLATION SYSTEM WITH INTEGRATED WHEEL SEAL - An axle assembly includes a non-rotating component and a wheel hub supported for rotation relative to the non-rotating component about an axis. The wheel hub includes a hub air passage that has a hub inlet and a hub outlet to be fluidly connected to at least one tire. An air chamber is formed at least in part between the non-rotating component and the wheel hub. The air chamber receives air flow from an air source and directs air flow into the hub inlet. A seal assembly engages the wheel hub to seal the air chamber. | 07-07-2011 |
| 20110272074 | Automatic Low Tire Inflation System (ALTIS) - A method comprises enhancing current Tire Pressure Monitoring System (TPMS) functionality to result in inflation of a pneumatic tire if said tires fluid pressure decreases below a predetermined level. This embodiment comprises a pressurized container mounted inside a vehicle wheel that will react to a TPMS signal and release a fluid into the tire cavity, effectively increasing the inflation pressure. | 11-10-2011 |
| 20120234447 | Automatic tire inflation system - An automatic tire inflation system including an air pump, a pressure sensor, a microprocessor and a rechargeable battery power supply all housed in a water resistant housing. The housing conforms to the diameter of the rim of a standard vehicle tire and is held to the tire by rim retaining fingers. A recharging jack is mounted inside the housing and is accessed through an aperture on the housing which is sealed by a removable waterproof cover. The microprocessor monitors air tire pressure being sent from the pressure sensor and activates the air pump when the pressure is determined to be too low by the microprocessor. The air pump turns off when the air tire pressure reaches a predetermined set point. The rechargeable battery is recharged by a standard charging device attached by a plug to the recharging jack. Similar automatic tire inflation systems can be mounted to each tire of the vehicle. | 09-20-2012 |
| 20120241063 | HYDRAULIC PISTON PUMP ASSEMBLY FOR AIR MAINTENANCE TIRE - An air-maintenance tire system includes a compression actuator mounted to the tire carcass configured for operative actuation by tire deformation during a tire revolution, a pump assembly affixed to the tire carcass and including a compressor body affixed to the compression actuator and having an internal air chamber, the air chamber having an inlet opening for admitting air into the internal air chamber and an outlet opening for conducting air from the internal air chamber to the tire cavity. The air compressor body further includes a piston valve member and an outlet valve member located within and at opposite respective ends of the internal air chamber, the piston valve member and the outlet valve member moving within the internal air chamber responsive to actuation by the compression actuator between respective open and closed positions, whereby cyclically opening and closing the inlet and the outlet openings during an air compression cycle. The compression actuator includes a hollow containment body formed from a resilient deformable material composition and containing a quantity of a non-compressible medium. The containment body is affixed to a relatively high flex-deformation region of the tire carcass and reciprocally transforms between a deformed state and a non-deformed state to generate a compression force against a piston valve member surface and move the piston valve between the open and closed positions within the air chamber. | 09-27-2012 |
| 20120241064 | HYDRAULIC MEMBRANE PUMP ASSEMBLY FOR AIR MAINTENANCE TIRE - An air-maintenance tire system includes a compression actuator mounted to the tire carcass configured for operative actuation by tire deformation during a tire revolution, a pump assembly affixed to the tire carcass and including a compressor body affixed to the compression actuator and having an internal air chamber, the air chamber having an inlet opening for admitting air into the internal air chamber and an outlet opening for conducting air from the internal air chamber to the tire cavity. The air compressor body further includes a deformable membrane valve member and an outlet valve member located within and at opposite respective ends of the internal air chamber, the membrane valve member deforming and the outlet valve member moving within the internal air chamber responsive to actuation by the compression actuator between respective open and closed positions, whereby cyclically opening and closing the inlet and the outlet openings during an air compression cycle. The compression actuator includes a hollow containment body formed from a resilient deformable material composition and containing a quantity of a non-compressible medium. The containment body is affixed to a relatively high flex-deformation region of the tire carcass and reciprocally transforms between a deformed state and a non-deformed state to generate a deformation force against a membrane valve member surface and deform the membrane valve between the open and closed positions within the air chamber. | 09-27-2012 |
| 20140261942 | TIRE PRESSURE MAINTENANCE APPARATUS AND SYSTEM - A tire pressure maintenance apparatus and system is disclosed. The apparatus and system comprises a high pressure reservoir and a pressure regulator secured to the high pressure reservoir. A high pressure relief valve is also provided. The high pressure reservoir is circumferentially continuous. Further, the pressure regulator has a passive valve in fluid communication with the high pressure reservoir and the pressure regulator opens at a low pressure point and closes at a high pressure point. | 09-18-2014 |
| 20150122387 | AIR MAINTENANCE TIRE AND RELIEF VALVE ASSEMBLY - An air maintenance tire and pump assembly includes a tire having a tire cavity, first and second sidewalls extending from first and second tire bead regions, respectively, to a tire tread region, an elongate substantially annular air passageway enclosed within a bending region of the sidewalls, the air passageway operatively closing and opening, segment by segment, as the bending region of the sidewalls passes adjacent a rolling tire footprint to pump air along the air passageway, an air inlet port assembly coupled to, and in air flow communication with, the air passageway, the air inlet port assembly being operable to channel inlet air from outside of the tire into the air passageway, the air inlet port assembly including an inlet control valve and an outlet tee structure positioned 180° opposite the inlet control valve in the air passageway for moving air into the tire cavity, the inlet control valve including two inlet check valves for ensuring air flow only into, and not out of, the inlet control valve, the air passageway, a corresponding plain tee inlet structure, and the tire cavity, and a pressure relief valve for relieving a volume equal to a last segment volume of the air passageway plus a volume of the outlet tee structure. | 05-07-2015 |
| 20150367693 | TIRE INFLATION SYSTEM - A tire inflation system including a drive mechanism having a rotational axis, a pump cavity positioned a radial distance away from the axis of rotation, and a force translator coupling the rotational axis to the pump cavity. The drive mechanism includes a cam comprising an arcuate bearing surface having a non-uniform curvature, the cam rotatable about the rotational axis, and an eccentric mass couple to the cam that offsets a center of mass of the drive mechanism from the rotational axis. The pump cavity is rotatably coupled to the cam, wherein the pump cavity includes an actuating element and a chamber. The force translator couples the arcuate bearing surface to the actuating element, wherein the force translator includes an axis having an arcuate position fixed to an arcuate position of the pump cavity. | 12-24-2015 |
| 20160052352 | METHOD OF ADHESION OF RIGID COMPONENTS TO A TIRE - The invention provides a method of mounting a device to a tire comprising the following steps: buffing an inside surface of the tire, forming a rubber layer and a rubber extension on a mounting surface of the device, wherein the rubber extension extends past the support frame; applying rubber cement to the mounting surface and then affixing the mounting surface of the device to the inside surface; and then curing the rubber cement. | 02-25-2016 |
| 20160185164 | AUTOMATED DRIVE TIRE PNEUMATIC AIR SYSTEM FOR WHEELED PAVERS - A paving machine including a pneumatic tire, a compressor and vent unit coupled to the pneumatic tire, and a pressure regulation controller system is disclosed. The compressor and vent unit are configured to adjust tire pressure of the pneumatic tire according to a tire adjustment pressure. The compressor and vent unit is also coupled to the pressure regulation controller system. The pressure regulation controller system measures a current tire inflation pressure of the pneumatic tire. Further, the pressure regulation controller system determines the target tire inflation pressure according to a predetermine mode. The pressure regulation controller system is also configured to determine the tire adjustment pressure according to the current tire inflation pressure and the target tire inflation pressure. Moreover, the pressure regulation controller system is configured to transmit the tire adjustment pressure to the compressor and vent unit for adjusting the tire pressure of the pneumatic tire. | 06-30-2016 |
| 152419000 | With positive pump operating means | 29 |
| 20080308206 | WHEEL UNIT - A wheel unit includes a wheel and a pressure adjusting device installed on the wheel to adjust the pressure in the tire. The pressure adjusting device includes a cylinder and a piston provided in the cylinder. The piston moves in the cylinder by centrifugal force generated by rotation of the wheel so that air introduced into the cylinder from the outside is injected to an internal space of the tire. The wheel includes a mounting hole, which extends in the radial direction of the wheel and opens to the internal space of the tire. The pressure adjusting device is installed in the mounting hole such that the moving direction of the piston agrees with the radial direction of the wheel and that the pressure adjusting device is not exposed to the outside from an outer surface of the wheel except in the internal space of the tire. | 12-18-2008 |
| 20090283191 | DEVICE FOR GENERATING TIRE AIR PRESSURE - A tire-air-pressure-generating apparatus includes an air pump, a pressure control valve, and an adjustment device, which are disposed coaxially in a shaft portion of an axle hub. The air pump includes a pump chamber located in the interior of the axle hub. The pressure control valve and the adjustment device are assembled into a cylinder head, which is assembled airtightly and removably to the axle hub. The cylinder head includes a suction-discharge path, discharge paths, pressure lead paths, and a suction path. | 11-19-2009 |
| 20100170605 | TIRE-PRESSURE CONTROL APPARATUS - A tire-pressure control apparatus includes an air pump driven by a rotating wheel to supply compressed air to a tire air chamber, a mechanical control valve that permits and prohibits supply of compressed air from the air pump to the tire air chamber, a valve-state detection sensor that detects the state of the control valve, a wheel speed sensor that detects rotational speed of the wheel, and an electric control unit (ECU). The ECU calculates a quantity of compressed air supplied from the air pump to the tire air chamber during a permission-state retention time, during which the control valve is in the permission state, and calculates an average leaked air quantity per unit time in a single cycle starting when the control valve enters a prohibition state and ending when the control valve again enters the prohibition state after entering the permission state. | 07-08-2010 |
| 20100243121 | DEVICE FOR AUTOMATICALLY MAINTAINING TIRE PRESSURE - A device for automatically maintaining tire pressure is adapted to pump air into a tire up to two times per wheel revolution. Embodiments of the device include a flexible compression strip adapted for attachment to an inner peripheral surface of a tire. Opposing compression faces on the compression strip apply pressure to a compression tube attached to the compression strip. Air in an air reservoir inside the compression tube is expelled from a collapsible segment of the compression tube pressed on by the compression faces and into accumulator segments extending beyond the edges of the compression strip. A ratio of the combined volumes of the collapsible and accumulator segments to the volume of the collapsible segment determines a set point pressure. Air is expelled into a tire having an inflation pressure less than the set point pressure but is not expelled into a tire having pressure greater than the set point pressure. | 09-30-2010 |
| 20100282388 | AUTOMATIC TIRE PRESSURIZING AND MAINTAINING SYSTEM AND METHOD - The present invention provides an automatic tire pressurizing and regulating system. The system maintains a predetermined pressure in a pneumatic tire during rotation of the tire. The system comprises a fill valve, one or more pumping devices, and a belt that provides fluid pathways that allow fluid (e.g., air) to flow between the outside atmosphere, the pumping device(s), and the tire as needed to maintain the predetermined pressure. | 11-11-2010 |
| 20100288411 | Tire Pressure Maintenance Device - A device for maintaining a desired inflation pressure within a tire mounted on a wheel of a vehicle which includes a flexible compression chamber and a magnetic element not on the wheel. As the compressor passes the magnet each wheel revolution, a small amount of atmospheric air is pumped into the tire, if needed. The magnet and the compressor need no other contact with the vehicle or the wheel and require no energy source on the wheel. | 11-18-2010 |
| 20110203710 | AUTOMATIC TIRE PRESSURE CONTROL AND MONITORING SYSTEM AND METHOD - A dynamic tire-pressure control and monitoring method and system includes a pressure sensor, a control unit, and a built-in air compressor. The pressure sensor can be mounted on a wheel rim associated with a tire for detecting a tire pressure with respect to each wheel. The built-in compressor mounted on the wheel compresses air via an electronic valve from a reservoir to the tire when the tire pressure detected by the pressure sensor is below a predetermined value. The control unit regulates the sensed air pressure from the sensor and controls the operations of the compressor. The air pressure from the tire can also be released when a vehicle collision occurs in order to prevent explosion of the tire. | 08-25-2011 |
| 20120186714 | TIRE INFLATION SYSTEM - A tire inflation system that couples to the wheel of a vehicle, the tire inflation system including a pumping ring that rotates with the wheel; a positioning system rotatably coupled to the wheel, the positioning system including a positioning mechanism and an eccentric mass; a planetary roller disposed in non-slip contact with the pumping ring and the positioning system; and a flexible diaphragm that defines a pump cavity, wherein relative motion between the pumping ring and positioning system is translated by the planetary roller into an occluding force that deforms the diaphragm to occlude the pump cavity. Relative motion between the pumping ring and the positioning system is achieved by coupling the eccentric mass to the positioning mechanism to offset the center of mass of the positioning system from the center of rotation of the positioning system. | 07-26-2012 |
| 20140345768 | DEVICE FOR MAINTAINING AND CHANGING THE PRESSURE IN TIRES - A device for maintaining and changing the pressure In a is provided whereby the inner pressure space of the tire is connected through a pump to a pressure accumulator which, at its input and/or output into the inner pressure space of the tire, is fitted with at least one pressure control element. The pump can be a peristaltic pump in the shape of a deformable hose placed on the perimeter of the tire, fitted with an air inlet and an air outlet, while the air inlet and the air outlet are positioned on the perimeter of the tire distant from each other by a preset length, dependent on the deformation of the tire. | 11-27-2014 |
| 20150059947 | Tire Inflation System with Peristaltic Pump - A tire inflation system having a peristaltic pump. The peristaltic pump may output a pressurized gas when a flexible tube of the peristaltic pump rotates with a wheel end assembly about an axis. | 03-05-2015 |
| 20150068654 | Tire Inflation System Having a Rotary Coupling - A tire inflation system having a rotary coupling. The rotary coupling may have a mounting member and a rotating member. The rotating member may be rotatably coupled to the mounting member and may have a rotating member passage that may fluidly connect a first conduit to a second conduit that may be fluidly connected to the tire. | 03-12-2015 |
| 20150096656 | Tire Inflation System with Pressurized Gas Routing Through a Spindle - A tire inflation system having a spindle that has a spindle fastener hole and spindle passage through which a pressurized gas flows for inflating a tire. An adapter or a fastener tube may inhibit pressurized gas from flowing from the spindle passage into the spindle fastener hole. | 04-09-2015 |
| 20150096657 | PNEUMATIC CONTROL VALVE - A pneumatic control valve that, when implemented inside a pneumatic tire having an internal reversible peristaltic pump, is configured to prevent air from entering the peristaltic pump if a tire air pressure in a pressurizable cavity of the tire is greater than a selectable set point pressure. The control valve is further configured to open an air passage between an atmosphere external to the tire and an intake of the peristaltic pump if the tire air pressure in the pressurizable cavity of the tire is less than or equal to the selectable set point pressure. | 04-09-2015 |
| 20150114537 | TIRE PRESSURE MAINTENANCE DEVICE - A device for maintaining a desired inflation pressure within a tire mounted on a wheel of a vehicle which includes a flexible compression chamber and a magnetic element not on the wheel. As the compressor passes the magnet each wheel revolution, a small amount of atmospheric air is pumped into the tire, if needed. The magnet and the compressor need no other contact with the vehicle or the wheel and require no energy source on the wheel. | 04-30-2015 |
| 20150314658 | AIR MAINTENENCE TIRE ASSEMBLY - A pumping mechanism is used with a pneumatic tire mounted on a wheel rim to keep the pneumatic tire from becoming underinflated. The pumping mechanism includes a plurality of pumps forming a linear belt and subsequently being attached circumferentially to the wheel rim, a plurality of pump holders interconnecting the plurality of pumps in a linear configuration, and a control valve for controlling inlet air into a tire cavity of the pneumatic tire. | 11-05-2015 |
| 20150375577 | PRESSURE SYSTEM FOR A TIRE ASSEMBLY OF A VEHICLE - A pressure system of a tire assembly of a vehicle includes a tire system, a wheel system, and a control valve assembly. The tire system includes a tire defining an interior cavity configured for holding a first volume of compressed air therein. The wheel system defines a reservoir configured for holding a second volume of compressed air therein. The control valve assembly is in fluid communication with each of the interior cavity of the tire and with the reservoir. The control valve assembly is configured to selectively direct air from the reservoir to the interior cavity of the tire such that a desired air pressure within the interior cavity of the tire is achieved. The control valve assembly is configured to selectively direct air from the interior cavity of the tire and atmosphere, such that the desired air pressure within the interior cavity of the tire is achieved. | 12-31-2015 |
| 20160121667 | VEHICLE TIRE MANAGEMENT SYSTEM - A tire management system for a vehicle in accordance with the present invention includes four wheels on each of which is mounted an air-inflatable tire defining a tire cavity. The system includes a bidirectional pump on each wheel for selectively pumping air from each tire to atmosphere for deflating each tire and for pumping air from atmosphere into each tire cavity for inflating each tire and a battery assembly mounted to each wheel for powering the bidirectional pumps, the battery assemblies each including a chargeable battery and a magnet for continually charging the chargeable battery. | 05-05-2016 |
| 20160167465 | ON-WHEEL AIR MAINTENANCE SYSTEM | 06-16-2016 |
| 20160250902 | DEVICE FOR CONTROLLING THE PRESSURE IN A VEHICLE TYRE | 09-01-2016 |
| 20190143765 | INFLATION SYSTEM | 05-16-2019 |
| 152421000 | Cam | 1 |
| 20090151835 | Hub-Enclosed Tire Pump - A tire pump that is housed within the hub of a wheel is described. The pump includes a piston that moves axially with respect to the wheel's axle. The pump also includes a pressure switch configured to stop the pump when sufficient tire pressure is reached. | 06-18-2009 |
| 152423000 | Obstacle | 8 |
| 20120018070 | AUTOMATIC TIRE INFLATION SYSTEM - This is an invention for a system and method of automatically inflating the wheels of a vehicle during driving operation. When air pressure in a wheel of the vehicle decreases below a pre-determined limit, a solenoid device is activated to extend a kick-rod. As the wheel rotates, a pump mounted on the wheel strikes the kick-rod of the solenoid device, thereby causing air to be injected into the wheel. The automatic tire inflation system works by employing the mechanical energy of the rotating wheel to drive the pump upon contact with the solenoid device. | 01-26-2012 |
| 20150101723 | Tire Inflation System with Axle Driven Pump - A tire inflation system having a spindle, a pump actuating member, and a pump. The pump actuating member may actuate the pump when the pump rotates about an axis, thereby causing the pump to output a pressurized gas. | 04-16-2015 |
| 152424000 | Ground | 6 |
| 152425000 | Casing interposed | 6 |
| 20080289739 | Wheel Mounted Pump for Self-Inflated Tires - An air pump, mounted on a wheel, which pumps ambient air into the tire chamber to automatically pump up the tire as the wheel rotates. The air pump generally comprises a cylinder and a piston, which relatively reciprocate to effect an intake stroke and a compression stroke. The intake stroke draws ambient air into a variable volume chamber. The pressurized air within the tire acts on the cylinder to effect the compression stroke, which forces the ambient air from the variable volume chamber into the tire chamber to pump up the tire. | 11-27-2008 |
| 152426000 | Casing enclosed pump | 5 |
| 20090294006 | CHAMBER OF A PERISTALTIC PUMP FOR TIRE PRESSURE ADJUSTMENT - A chamber ( | 12-03-2009 |
| 20100139828 | Vehicle Tire That Automatically Replenishes Air Pressure - A vehicle tire that automatically replenishes air pressure is described. The vehicle tire includes a tire portion that surrounds a wheel and is filled with air, and an air pressure replenishing member that is arranged at the inside of the tire portion and coupled with a portion of the outer surface of the wheel to replenish the air pressure when the air pressure in the tire portion is low. The vehicle tire may automatically replenish the air pressure when the air pressure in the tire portion is too low by the air pressure replenishing member, and thus fuel efficiency and driving performance of the vehicle may be maintained at a constant level. | 06-10-2010 |
| 20110146867 | SELF-INFLATING TIRE - A self-inflating tire assembly includes an annular air tube connected to a tire and defining an annular air passageway, the air tube being composed of a flexible material operative to allow an air tube segment opposite a tire footprint to flatten, closing the passageway, and resiliently unflatten into an original configuration. The air tube is sequentially flattened by the tire footprint in a direction opposite to a tire direction of rotation to pump air along the passageway to an inlet device for exhaust from the passageway or to an outlet device for direction into the tire cavity. The inlet device is positioned within the annular passageway 180 degrees opposite the outlet device such that sequential flattening of the air tube by the tire footprint effects pumping of air along the air passageway with the tire rotating in either a forward or reverse direction of rotation. | 06-23-2011 |
| 20110146868 | SELF-INFLATING TIRE ASSEMBLY - A self-inflating tire assembly includes an air tube mounted within a tire sidewall groove. The air tube is in contacting engagement with opposite angled groove surfaces surrounding the air tube. A segment of the air tube is flattened from an expanded diameter to a flat diameter by bending and compression of the groove in a rolling tire footprint to force air evacuated from the flattened segment along a tube air passageway. The sidewall groove extends into an annular, axially extending, sidewall surface such as an axially oriented surface of a tire chafer protrusion located in non-contacting relationship with the rim. | 06-23-2011 |
| 20150306924 | VEIN-STYLE AIR PUMPING TUBE AND TIRE SYSTEM AND METHOD OF ASSEMBLY - An air pumping tube and tire system and method of assembling is provided in which a tire groove is formed to extend into a flexing region of a tire sidewall and a complementary air pumping tube inserts into the tire groove. In the green, uncured air pumping tube condition, one or more check valves are assembled into the air pumping tube through access shafts and align with an internal air passageway of the air pumping tube. Plug components of the system enclose the check valves in the air pumping tube and the check valve-containing green air pumping tube is then cured. | 10-29-2015 |
