Patent ID: 6300867
Filing Date: 2001-10-09
Classification: B60C

Abstract:
A tire low pressure audio warning device comprising:a body attachable to a valve stem or an opening in a rim of a tire, or to a valve stem on an inner tube contained therein, said body being in air communications with pressurized air within said tire;a low pressure monitoring device contained within said body to monitor air pressure within said tire, said low pressure monitoring device being in air communication with pressurized air coming from said tire, said low pressure monitoring device having electrical contacts that close when a predetermined low pressure condition exists within said tire and remains opens when air pressure remains above said predetermined low pressure;an audio alarm contained within said body and electrically connected to one of said electrical contacts in said low pressure monitoring device, said audio alarm activated by said low pressure monitoring device when said electrical contacts close; anda battery contained within said body to provide electric power for said audio alarm, with an electric circuit to electrically connect said battery to said audio alarm and said low pressure monitoring device as appropriate.