Apparatus for controlling air pressure in vehicle tires

Details Apparatus for controlling air pressure in vehicle tires Apparatus for controlling air pressure in vehicle tires

1986-01-17

1987-11-10

Czaja, Donald E.

Resilient tires and wheels

Tires, resilient

Inflating devices

137224, B60C 2900, B60C 2316

Patent

active

047050900

ABSTRACT:
A vehicle wheel assembly carrying a pneumatic tire includes a hub rotatably mounted on a fixed axle component and provided with an internal air flow passageway. One end of the passageway communicates with the interior of the tire through a pneumatically actuated check valve, and the other end of the passageway is adapted to be connected to an air pressure control system carried by the vehicle. The latter connection is through a sealing arrangement between the rotating hub and fixed axle component and which includes a displaceable seal on the fixed axle component normally maintained out of contact with the rotatable hub. The displaceable seal is adapted to be moved into engagement with the hub by air under pressure from the air pressure control system after which the vehicle tire can be inflated, deflated or checked for pressure through the operation of appropriate controls in the air pressure control system.

REFERENCES:
patent: 1619130 (1927-03-01), Jones
patent: 2452527 (1948-10-01), Peter
patent: 2634781 (1953-04-01), Turek
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patent: 2989999 (1961-06-01), Holbrook et al.
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patent: 4418737 (1983-12-01), Goodell et al.
patent: 4498515 (1985-02-01), Holtzhauser et al.
patent: 4498709 (1985-02-01), Wells et al.

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