Patent ID: 8015864

Claim:
A digital tire pressure gauge comprising: a housing having a first and a second end; a port at said first end of said housing, said port adapted to engage with and open a needle valve of a tire valve stem; a sensor housing disposed in said housing and defining an air chamber therein; a pressure sensor disposed in said sensor housing; a processor in electronic communication with said pressure sensor; a bleed valve disposed in said sensor housing, said bleed valve comprising: an insert co-molded with said sensor housing; a stem tube in engagement with said insert; and a stem positioned in said stem tube, said stem comprising: a first head protruding outside said stem tube and adapted to cover an opening of said stem tube; and a second head positioned inside said stem tube; and a spring disposed about said stem and seated on said second head; and a bleed lever in contact engagement with said stem, wherein, when said port is coupled to the tire valve stem, in a first operational mode, said bleed valve is closed and an air pressure measurement is obtained, and, in a second operational mode, said bleed lever, when pressed, causes said bleed valve to open and to allow air to be bled out from the tire via the pressure gauge.