Patent
Device for transmission and evaluation of measurement signals for the tire pressure of motor vehicles
TLDR
In this article, a device for the transmission and evaluation of measurement signals for the tire pressure of tubless tires mounted rims in single and twin wheels of motor vehicles is presented, which comprises a pressure sensor (6) arranged in the rim wall, which pressure sensor is electrically connected with a signal transmitter coil (8) arranged at the rim (3), as well as a signal pick-up coil (20) of a highfrequency resonant circuit signal evaluating arrangement connected with the motor vehicle in the area of the axle so as to be stationary.Abstract:
In a device for the transmission and evaluation of measurement signals for the tire pressure of tubless tires mounted rims in single and twin wheels of motor vehicles which comprises a pressure sensor (6) arranged in the rim wall, which pressure sensor (6) is electrically connected with a signal transmitter coil (8) arranged at the rim (3), as well as a signal pick-up coil (20) of a high-frequency resonant circuit signal evaluating arrangement connected with the motor vehicle in the area of the axle so as to be stationary, it is provided for the purpose of enabling signal detection also when stationary and for problem-free application to twin tires, that a first repeater coil (15), which is electrically connected with a second repeater coil (17), is arranged in the area of the signal transmitter coil (8) at the hub (12) carrying the rim (3), which hub (12) is connected with the latter so as to be fixed with respect to rotation relative to it, wherein the second repeater coil (17) is constructed as a toroidal coil whose coil axis (18) coincides with the hub axis (11), wherein the stationary signal pick-up coil (20) is arranged in the magnetic field area of the second repeater coil (17).read more
Citations
More filters
Patent
Wireless energy transfer
Aristeidis Karalis,Andre B. Kurs,Robert Moffatt,John D. Joannopoulos,Peter H. Fisher,Marin Soljacic +5 more
TL;DR: In this paper, a first resonator structure configured to transfer energy non-radiatively with a second resonance structure over a distance greater than a characteristic size of the second resonator.
Patent
Wireless non-radiative energy transfer
TL;DR: In this paper, the authors proposed an electromagnetic energy transfer device that includes a first resonator structure receiving energy from an external power supply, and a second resonance structure is positioned distal from the first, and supplies useful working power to an external load.
Patent
Wireless energy transfer converters
TL;DR: In this article, the authors describe improved configurations for a wireless power converter that includes at least one receiving magnetic resonator configured to capture electrical energy received wirelessly through a first oscillating magnetic field characterized by a first plurality of parameters.
Patent
Wireless energy transfer using variable size resonators and system monitoring
Andre B. Kurs,Aristeidis Karalis,Morris P. Kesler,Andrew J. Campanella,Katherine L. Hall,Konrad J. Kulikowski,Marin Soljacic +6 more
TL;DR: A variable type magnetic resonator as discussed by the authors includes an array of resonators each having one of at least two substantially different magnetic dipole moment orientations and at least one power and control circuit configured to selectively connect to and energize one of the resonators.
Patent
Wireless energy transfer using repeater resonators
TL;DR: In this article, improved configurations for a device for wireless power transfer that includes a conductor forming at least one loop of a high-Q resonator, a capacitive part electrically coupled to the conductor, and a power and control circuit was presented.
References
More filters
Patent
Apparatus for indicating parameters sensed on a rotatable wheel
Raoul G. Fima,Jacques E. Mahieux +1 more
TL;DR: In this paper, a ring-shaped coil is used to interact with a non-rotatable wheel to produce a magnetic field that can be used to indicate the inflation pressure of a wheel.
Patent
Remote tire pressure indicator
TL;DR: In this article, the authors present a remote system for indicating tire pressure for use in combination with a pressure transducer which is disposed inside a pneumatic tire, which is placed on a wheel rim.
Patent
Device for transmitting measurement signals, for example tyre pressure, to twin wheels of motor vehicles
TL;DR: In this article, a device for the transmission of measuring signals for the tire pressure of twin wheels of motor vehicles comprises for the purpose of enabling a simple exchange of the individual wheels in the twin wheel at least two signal transmitters which are arranged at each individual wheel in the area of the free outer rim edge.
Patent
Tire pressure warning devices
TL;DR: In this paper, a vehicle tire pressure warning system includes a rotating assembly and a non-rotating assembly including a magnet and a pick-up coil, which is closed periodically by the magnet and current is induced in the coil.
Patent
Transmission of information
TL;DR: In this article, a warning device associated with a rotatable body comprising means on the body for creating a magnetic field, a receiving coil on a relatively stationary member arranged such that upon rotation of the body interaction with the magnetic field causes electrical pulses to be generated in the receiving coil and an electronic switching circuit operated by the pulses such that a warning is given upon occurrence of a predetermined condition, such as pressure of a vehicle wheel deviating outside a predetermined limit.