Vehicle tire warning system

Details Vehicle tire warning system Vehicle tire warning system

2007-12-03

2010-10-19

Lieu, Julie (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

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

C340S443000, C340S447000, C340S626000, C073S146300, C073S146800

Reexamination Certificate

active

07817024

ABSTRACT:
An air pressure sensor (2) for a vehicle tire warning system includes a tubular housing (21) defining a chamber (218), an air pressure actuating device seated in the chamber and being moveable back and forth in the chamber in response to air pressure change in the vehicle tire, and a switch device to electrically connect a high air pressure warning circuit or a low air pressure warning circuit under the drive of the air pressure actuating device. The chamber of the tubular housing is communicated to the atmosphere via a connecting pipe (29).

REFERENCES:
patent: 3697944 (1972-10-01), Murano
patent: 3890595 (1975-06-01), Barabino
patent: 4235185 (1980-11-01), Byram
patent: 4468650 (1984-08-01), Barbee
patent: 4945337 (1990-07-01), Huang
patent: 5119066 (1992-06-01), Ballyns
patent: 6588264 (2003-07-01), Johnson
patent: 7343871 (2008-03-01), Pellicciari
patent: 2007/0044552 (2007-03-01), Huang
patent: 2007/0069877 (2007-03-01), Fogelstrom
patent: 2007/0144639 (2007-06-01), Oh
patent: 2008/0257027 (2008-10-01), Wu

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