Tire pressure gauge

Details Tire pressure gauge Tire pressure gauge

1987-10-21

1988-06-07

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73709, 73723, 73753, 73756, 340 58, G01L 900, G01M 1702

Patent

active

047488450

ABSTRACT:
A tire pressure gauge located within a self-contained enclosure having a changeable numeric display at its exterior. An air inlet on the enclosure is utilized to establish pneumatic communication between the interior of an inflated tire and the interior of the enclosure. The enclosure interior is provided with electronic pressure responsive circuits operably connected to the display for presenting a numerical reading of air pressure. A power control circuit is operated by a programmed CPU, which electronically shifts it between operative and inoperative states to prolong battery life. The programmed CPU also detects maximum pressure readings, which are announced to the user by an electronically driven audible signal device within the hand-held enclosure.

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