Patent ID: 7377156

Claim:
A tire pressure monitor system is provided for mounting on a wheel rim having a wheel rim inner surface and a wheel rim rotational axis, the tire pressure monitor system comprising: a sensor housing comprising a housing upper surface, a first housing end surface, a second housing end surface, a first housing side surface, and a second housing side surface, said sensor housing forming an internal housing mount chamber; an air inlet port formed on said first housing side surface, said sensor housing configured to engage the wheel rim inner surface such that said air inlet port is orientated parallel to the wheel rim rotational axis; a sensor assembly comprising a circuit board, a battery element, and an air pressure sensor element mounted on said circuit board, said sensor assembly mounted within said internal housing mount chamber; a filter element mounted within said internal housing mount chamber immediately adjacent said air inlet port: a gasket element mounted between said filter element and said air pressure sensor element; a potting material filling said internal housing mount chamber, said potting material surrounding said filter element, said gasket element and said air pressure sensor element, said filter element and said gasket element creating an air pressure flow path from said air inlet port to said air pressure sensor element.