Internal-to-vehicle mechanism for monitoring the air pressure of a tire of a vehicle
First Claim
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1. An internal-to-vehicle mechanism for monitoring an air pressure of a tire of a vehicle, comprising:
- an electrotechnical first device;
a sensor detecting the tire air pressure, the sensor rotating, together with the first device, synchronously with a wheel of a vehicle, the sensor modifying at least one of a first magnetic field energy uptake and a first electromagnetic field energy uptake of the first device as a function of the detected tire air pressure;
a stationary electrotechnical second device radiating an electromagnetic field, the first device passing through the electromagnetic field; and
a monitoring device coupled to the second device and for detecting at least one of a second energy uptake and an energy release relating to a second energy of the second device, wherein the second energy is used to build up at least one of a magnetic field and the electromagnetic field, and wherein at least one of the sensor and the first device is adapted to being arranged on a pulse ring of an antilock braking system device rotating synchronously with the tire.
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Abstract
An internal-to-vehicle mechanism for monitoring the air pressure of a tire of a vehicle includes a sensor, detecting the tire pressure, which rotates, together with an electrotechnical first device, synchronously with the wheel and which, as a function of the tire air pressure that is determined, modifies parameters of the first device, namely the energy uptake of the first device. A stationary electrotechnical second device radiates an electric and/or magnetic, in particular electromagnetic, field through which the first device passes at, preferably, each wheel rotation with an uptake of energy from the field. A monitoring device detects the energy uptake and/or energy release of the second device.
42 Citations
11 Claims
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1. An internal-to-vehicle mechanism for monitoring an air pressure of a tire of a vehicle, comprising:
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an electrotechnical first device; a sensor detecting the tire air pressure, the sensor rotating, together with the first device, synchronously with a wheel of a vehicle, the sensor modifying at least one of a first magnetic field energy uptake and a first electromagnetic field energy uptake of the first device as a function of the detected tire air pressure; a stationary electrotechnical second device radiating an electromagnetic field, the first device passing through the electromagnetic field; and a monitoring device coupled to the second device and for detecting at least one of a second energy uptake and an energy release relating to a second energy of the second device, wherein the second energy is used to build up at least one of a magnetic field and the electromagnetic field, and wherein at least one of the sensor and the first device is adapted to being arranged on a pulse ring of an antilock braking system device rotating synchronously with the tire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An internal-to-vehicle mechanism for monitoring an air pressure of a tire of a vehicle, comprising:
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an electrotechnical first device; a sensor detecting the tire air pressure, the sensor rotating, together with the first device, synchronously with a wheel of a vehicle, the sensor modifying at least one of a first magnetic field energy uptake and a first electromagnetic field energy uptake of the first device as a function of the detected tire air pressure; a stationary electrotechnical second device radiating an electromagnetic field, the first device passing through the electromagnetic field; a monitoring device coupled to the second device and for detecting at least one of a second energy uptake and an energy release relating to a second energy of the second device, wherein the second energy is used to build up at least one of a magnetic field and the electromagnetic field; and a pulse ring of an antilock braking system, wherein at least one of the sensor and the first device is arranged on the pulse ring.
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11. An internal-to-vehicle mechanism for monitoring an air pressure of a tire of a vehicle, comprising:
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an electrotechnical first device; a sensor detecting the tire air pressure, the sensor rotating, together with the first device, synchronously with a wheel of a vehicle, the sensor modifying at least one of a first magnetic field energy uptake and a first electromagnetic field energy uptake of the first device as a function of the detected tire air pressure; a stationary electrotechnical second device radiating an electromagnetic field, the first device passing through the electromagnetic field; a monitoring device coupled to the second device and for detecting at least one of a second energy uptake and an energy release relating to a second energy of the second device, wherein the second energy is used to build up at least one of a magnetic field and the electromagnetic field; and a pulse ring of an antilock braking system, wherein at least one of the sensor and the first device is arranged on the pulse ring, wherein; the pulse ring includes a plurality of metal teeth separated from each other by an associated one of a plurality of tooth gaps, and the first device occupies one of the plurality of tooth gaps.
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Specification
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Current AssigneeRobert Bosch GmbH
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Original AssigneeRobert Bosch GmbH
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InventorsSchramm, Herbert, Woerner, Dieter, Masur, Dagobert
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Primary Examiner(s)OEN, WILLIAM L
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Application NumberUS08/972,386Time in Patent Office889 DaysField of Search73/146.2, 73/146.3, 73/146.5, 73/708, 200/61.22, 200/61.25, 340/442, 340/443, 340/444, 340/445, 340/446, 340/447, 340/448US Class Current73/146.5CPC Class CodesB60C 23/0413 Wireless charging of active...B60C 23/042 cooperating with wheel hub ...B60T 8/171 Detecting parameters used i...B60T 8/329 Systems characterised by th...
