Air pressure detection device for wheel

Details Air pressure detection device for wheel Air pressure detection device for wheel

2005-01-04

2005-01-04

Pham, Toan N. (Department: 2632)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S442000, C340S447000, C073S146200, C073S146300, C073S146400

Reexamination Certificate

active

06838984

ABSTRACT:
An air pressure detection device for a wheel includes an air pressure sensor provided on the side of a tire for detecting the tire pressure. A detection and transmission unit (transmission unit) is provided for transmitting information detected by the air pressure sensor. An electric cell is provided for driving the detection and transmission unit. The air pressure sensor is located inside the tire and is integrally fitted to an air valve. The electric cell is fitted to a portion of the air valve projecting from a rim. The invention enhances the fitting property of the air pressure sensor, and enhances the convenience in exchange of the electric cell.

REFERENCES:
patent: 4048614 (1977-09-01), Shumway
patent: 4425558 (1984-01-01), McConchie
patent: 4734674 (1988-03-01), Thomas et al.
patent: 5853020 (1998-12-01), Widner
patent: 6199575 (2001-03-01), Widner
patent: 6215393 (2001-04-01), Delaporte
patent: 1 048 495 (2000-11-01), None
patent: 10-44726 (1998-02-01), None

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