Wheel end valve for central tire inflation system

Details Wheel end valve for central tire inflation system Wheel end valve for central tire inflation system

1988-09-12

1990-01-16

Dawson, Robert A.

Resilient tires and wheels

Tires, resilient

Inflating devices

152415, 137859, B60C 2900

Patent

active

048936642

ABSTRACT:
An improved wheel end valve assembly (11) for a central tire inflation system (10) having a single connection (68) to a tire chamber (74) and a single supply connection (62) to a source (142) of pressurized fluid, which requires no venting other than through the single supply connection (62), is effective in response to pressurization and venting of the single supply connection (62) to open and close communication to the tire chamber (74), a second valve means (288) to isolate the tire chamber if inflation pressure thereof falls below a minimum reference pressure, and a third valve means (300 or 400). The third valve means comprises a controlled bleed of air between the single supply connection and an isolation circuit (264, 254, 256, 266-276) by an elastomeric one way valve.

REFERENCES:
patent: 4678017 (1987-07-01), Schultz

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