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| Number | Title | Issue Date |
| 8096174 | Vehicle load weight detecting apparatus A vehicle includes an ABS, which controls braking force on wheels, and a tire condition monitoring apparatus, which detects the internal air pressure of tires. The dynamic rolling radius of the tires is computed based on signals from rotation sensor units of the ABS... | 01/17/2012 |
| 7987706 | Tire air-pressure sensor The present invention provides a tire air-pressure sensor (30) in which water is hard to intrude into a communication passage (36) communicating with a sensor portion (18a) of an air-pressure sensor element (18) and in which water ... | 08/02/2011 |
| 7963159 | Inflation system for tires Preferably, an embodiment of a tire inflation system includes at least an axle housing a pressurized fluid, a hubcap supported by the axle and having an interior and an exterior, a rotary union axially aligned with the axle and mounted to the hubcap from the exterio... | 06/21/2011 |
| 7870781 | Method for monitoring the tire condition in vehicles In a method for monitoring the tire condition in a vehicle, the vertical acceleration is measured at one axle of the vehicle, a reference stiffness value is determined from the vertical acceleration, and a tire pressure is assigned to the reference stiffness value. ... | 01/18/2011 |
| 7775097 | Tire pressure detector A tire pressure detector, which is installed on an air tap of a wheel to detect the tire pressure, comprises an air-intake device, a bidirectional sleeve and a cap. The air-intake device includes an air-intake seat. The air-intake seat has an air-intake member and a... | 08/17/2010 |
| 7432801 | System and method for detecting a rapid leak from a tire A method of detecting a rapid leak of gas contained in an automobile tire based on periodic measurements of a pressure Pa and a temperature Ta of the gas. The method includes determining a reference pressure Pcref, calculating an alarm threshold pressure Sref from t... | 10/07/2008 |
| 7421889 | Tire pressure warning assembly having a biasing member A tire pressure warning assembly includes a tire valve with a switch received therein, which had a conductive member, a movable member and a biasing member. The movable member is located at a distance from the conductive member and one end of the movable member is e... | 09/09/2008 |
| 7421321 | System for obtaining vehicular information System for obtaining information about a vehicle or a component therein includes sensors arranged to generate and transmit a signal upon receipt and detection of a radio frequency (RF) signal and a multi-element, switchable directional antenna array. Each antenna el... | 09/02/2008 |
| 7411487 | Tire-information administration system A tire-information administration system includes a plurality of sensor modules installed in tires; at least one reception module configured to receive data from the sensor modules; and a central control module configured to command the reception module to acquire d... | 08/12/2008 |
| 7398176 | Battery testers with secondary functionality An electronic vehicle tester includes a battery tester configured to measure a parameter of a battery of a vehicle. A tire tester is configured to receive a parameter of a tire of the vehicle. A wireless receiver can be configured to receive pressure information fro... | 07/08/2008 |
| 7391308 | Monitoring device, transceiver system and its control method A transmitter module has a sensor module that includes a plurality of sensors and operates intermittently, a signal processor module that permits transmission of an output of the sensor module to a receiver module at given permission timings, a radio transmission mo... | 06/24/2008 |
| 7362218 | Motion detection using a shock sensor in a remote tire pressure monitoring system A tire monitor for mounting to a vehicle as part of a remote tire monitoring system includes a tire condition sensor to produce a tire condition signal, a controller coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit c... | 04/22/2008 |
| 7355687 | Method and apparatus for vehicle service system with imaging components An improved vehicle wheel service system for servicing a vehicle wheel assembly, configured with one or more imaging sensors to accurately measure distances, dimensions, and characteristics of features associated with a vehicle wheel assembly undergoing a service. | 04/08/2008 |
| 7352276 | Casing structure of transmitter of tire condition monitoring apparatus A transmitter in an apparatus for monitoring a condition of a tire of a vehicle includes a circuit portion and a casing that accommodates the circuit portion. The casing has a first pressure transmitting portion that transmits the pressure in the tire to the circuit... | 04/01/2008 |
| 7343790 | Apparatus and method for detecting a tire deformation of a vehicle tire An apparatus for detecting a tire deformation of a vehicle tire includes a tire pressure sensor for sensing a tire pressure, a signal processor configured to provide a signal indicating the tire deformation based on a difference between the tire pressure at a first ... | 03/18/2008 |
| 7338201 | Method of estimating the temperature of the air in the internal cavity of a tire and application to the detection of abnormal operating of a running-flat system A method of estimating the temperature of the air in the internal cavity of a tire in which: prior to normal operation, a series of running tests are carried out on the tire provided with a means of measuring the internal air tempe... | 03/04/2008 |
| 7331221 | Precision inflation control device A method and apparatus to regulate the inflation of objects. To start inflation, the apparatus couples a fluid source to the object via a plenum. Concurrent with inflation, the apparatus substantially continuously measures pressure within the plenum using a sensor s... | 02/19/2008 |
| 7331220 | Device and method for monitoring tyre pressures Disclosed is a tire pressure monitoring device for a motor vehicle. A tire pressure monitoring system with direct measurement includes a transmission device for transmitting tire pressure values determined by pressure sensors, and a tire pressure monitoring system w... | 02/19/2008 |
| 7327244 | Valve device with pressure alarm for tire A valve device includes a metal tube fixed to a tire rim of a vehicle. A valve is mounted in an end of an air passageway of the metal tube. A transmitter includes two switches respectively connected to two contact members fixed on the metal tube. A Bourdon tube incl... | 02/05/2008 |
| 7312698 | Magnetic transmitter and receiver for a tire pressure monitoring system A vehicle tire pressure monitoring system and method is provided, the system including a tire pressure transducer affixed to either the tire or wheel of a vehicle. An electromagnet system is in electrical communication with the tire pressure transducer, the electrom... | 12/25/2007 |
| 7305318 | Process and system for detecting decrease in tire air-pressure and tire deflation judging program A judgment whether a decrease in tire air-pressure occurs or not is performed by a process comprising the steps of: detecting information on wheel rotational velocities of tires; obtaining a judgment value for decrease in tire air-pressure based on relative comparis... | 12/04/2007 |
| 7302842 | Method and device for measuring a path that has been covered A displacement measuring device measures a path of a moving object that can be displaced in a direction has at least one first component that is allocated to the moveable object and a second, stationary component. The components are interlinked for the purpose of co... | 12/04/2007 |
| 7299692 | Method for determining an indicator of the stresses to which a construction vehicle tire is subjected The invention relates to a method for determining an indicator of the stresses to which a construction vehicle fire is subjected during a given period in which the product of the load transported by the vehicle and the distance traveled by the vehicle during the per... | 11/27/2007 |
| 7284418 | Tire pressure sensor assembly The disclosure provides a tire pressure sensor assembly that includes a battery and a printed circuit board (PCB) configured with electronics to measure tire pressure and to transmit an electromagnetic signal related to the measured tire pressure. The PCB and batter... | 10/23/2007 |
| 7281420 | Tire pressure gauge A tire pressure gauge includes a casing, conduits and a pressure indicator. The conduits are in fluid communication with one another, and are connectable to respective valves of tires of a vehicle. The pressure indicator is operable to provide an indication that is ... | 10/16/2007 |
| 7273082 | Tire inflation system apparatus and method A tire inflation system includes an air supply source in selective fluid communication with a tire via a pneumatic conduit. A method of inflating the system includes providing a tire pressure retention valve in the pneumatic conduit adjacent to the tire. An inflatio... | 09/25/2007 |
| 7271708 | System informing a state of a wheel assembly of a vehicle and a method for informing the same Wheel assembly identification indicating members and first communication devices are respectively mounted to wheel assemblies mounted to a vehicle body. The indicating members have characteristic appearances, which are different among the wheel assemblies and which ... | 09/18/2007 |
| 7269530 | Wireless transmission method for tire detection signals A wireless transmission method for tire detection signals increases the percentage of successfully received tire detection signals received by the receiving unit and extends the usage life of batteries. A delay time for emitting the tire detection signals via the de... | 09/11/2007 |
| 7259663 | Wheel state adjustment system and method thereof A pressure detection sensor for detecting a tire internal air pressure and a wheel side communication device for transmitting a detection result of the pressure detection sensor using a preset transmission mode are provided on each wheel. The detection result from t... | 08/21/2007 |
| 7260497 | Tire air pressure monitoring system A tire air pressure monitoring system is provided with at least one trailer-use receiving unit, which is mounted at a rear end of a tractor head to receive radio wave sent by multiple tire air pressure sending units. The tire air pressure sending units are respectiv... | 08/21/2007 |
| 7251992 | Hand-held tire pressure gauge and method for assisting a user to determine whether a tire pressure is within a target range using a hand-held tire pressure gauge A handheld tire pressure gauge including: a display; a pressure sensor; a memory; a processor being operatively coupled to the display, pressure sensor and memory; and, code being stored in the memory and operable by the processor to: retrieve at least one value ind... | 08/07/2007 |
| 7237439 | Pressure sensor over-pressure protection A gauge is provided for monitoring pressure of air or other gases within a tire or other gas containing chamber. A gauge includes a receiver attachable to a valve stem of the tire. A valve core is also provided on the gauge through which fill air can be directed. In... | 07/03/2007 |
| 7228731 | Mounting structure of tire pressure sensing system A mounting structure for a tire pressure sensing system. The tire pressure sensing system includes a pressure sensor placed on a wheel to sense pressure of a tire which is mounted on the wheel. The wheel is a cast wheel for a vehicle including a rim portion where th... | 06/12/2007 |
| 7218210 | Pressure sensing method and apparatus A multi-wheel highway vehicle for transporting passengers, cargo or both has a plurality of wheels supporting the vehicle with the wheels having pneumatic tires mounted thereon, at least one transducer connected to one of the wheels for sensing pressure in a tire mo... | 05/15/2007 |
| 7205885 | Tire sensor communication system A wheel sensor communication system (10) includes a primary coil (30) and a secondary coil (32), which operate as an electromagnetic transformer which is uncoupled mechanically but coupled electrically through a vehicle wheel assembly rotational... | 04/17/2007 |
| 7196618 | Tire pressure monitoring device A tire pressure monitoring device includes a planar circuit board, a sensor, a controller, and an antenna. The sensor is mounted on the circuit board, is adapted for detecting a pressure of a pneumatic tire of a vehicle, and is operable so as to generate a signal th... | 03/27/2007 |
| 7188518 | Rapid inflation device for tubeless tire A rapid inflation device having a supply of pressurised pressurized fluid, a nozzle holder assembly, that can be manually moved an located by an operator between a rest position and a working position and is provided with one or more blowing-in nozzle, a flexible co... | 03/13/2007 |
| 7173521 | Tire air pressure warning system and method for warning against tire air pressure To issue a warning against an improper (a lowered) air pressure in accordance with a vehicle state and driver's presence/absence, the warning system includes air pressure measuring means for measuring an air pressure of a tire of a vehicle; air pressure judging mean... | 02/06/2007 |
| 7168309 | Looking device for a housing of a tire pressure detector This locking device is adapted for a snap-in system in which a male portion of a first element coacts with a female portion of a second element, resilient members acting on the male and/or female portion of the snap-in system. ... | 01/30/2007 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
