B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 23/04 (2006.01)
Patent
CA 2080232
2080232 9213730 PCTABS00014 A device for monitoring tyre pressure whilst the vehicle is moving can operate with the help of: two complete circular metallic strips (56, 57) placed on an insulated surface of the internal side of a brake drum (25) or on an insulated surface of the disk brake; two metallic strips (58, 59) placed on a non-rotating part of the vehicle forming two complete circular strips (58, 59); a pressure gauge sensor (1) and electronic signal generating circuitry (19, 40, 41). The non-rotating strips (58, 59) are placed parallel to the rotating strips (56, 57) and very close to them so as to form a pair of air capacitors (56, 58) (57, 59). The electronic circuit (19, 40, 41) produces high frequency alternating voltages which are applied to the plates of the capacitors (56, 58) (57, 59). In case of dangerous tyre pressure the sensor (1) closes the circuit, an alternating current flows and a warning device is activated. The current thus flowing in the capacitor circuit does not pass through the wheel bearing (34).
Tsagas Nicolaos
Tsagas Nicolaos
LandOfFree
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