Patent ID: 6843115

Claim:
A valve stem mountable, flow-through air pressure gauge assembly for continuous monitoring of tire inflation pressure comprising, in combination: a gauge body of compact design; a sensing element being disposed in an airtight chamber inside said gauge body; means for mounting said gauge body to an existing valve stem of an inflatable tire with an airtight connection including means for depressing the valve core of said valve stem to allow air from a tire to flow into said sensing element; a dial face; a pressure indicator being connected to said sensing element; a display light having an on/off switch; a power source; a lens cover; and an air exhaust check valve including a plunger, an air exhaust compressing spring, a check-valve o-ring, and an air intake manifold cover for inflating and deflating said tire through said gauge body; wherein said dial face further comprises a warning light; and wherein said warning light is connected to said sensing element using a sensor to indicate an adjustable, certain air pressure decrease.