Filler and pressure indicator valve

Details Filler and pressure indicator valve Filler and pressure indicator valve

1993-04-23

1994-07-05

Cuchlinski, Jr., William A.

Signals and indicators

Vehicle

Tire inflation or deflation

116272, B60C 2302

Patent

active

053258088

ABSTRACT:
A filler and pressure indicator valve having a housing with a main valve openable upon depression by a conventional filler tool upon adding air to the tire and automatically closeable upon release of the tire filling tool. A shaft is slidable through the main valve, and on the inner end of the shaft there is a sensor valve. The sensor valve is normally closed but responds to a low pressure condition within the tire to open, moving the shaft inwardly and releasing a pop-up cap on the end of the shaft to trigger a visual sensor element. The device can be adjusted to settings for different desired air pressure levels below which the sensor valve will be actuated.

REFERENCES:
patent: 2167456 (1939-07-01), Hooper
patent: 2842087 (1958-07-01), Burns
patent: 3111930 (1963-11-01), Zipper
patent: 3183882 (1965-05-01), Preece
patent: 3827393 (1974-08-01), Winther
patent: 3910223 (1975-10-01), Krohn
patent: 4512278 (1985-04-01), Winther
patent: 4531473 (1985-07-01), Winther
patent: 4557308 (1985-12-01), Kuypers
patent: 4594960 (1986-06-01), Nalence
patent: 4606391 (1986-08-01), Achterholt
patent: 4726223 (1988-02-01), Huang

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