Patent ID: 8015864
Filing Date: 2011-09-13
Classification: G01L,Y10T

Abstract:
1. 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: 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.