Resilient tires and wheels – Tires – resilient – Inflating devices
Patent
1985-07-01
1987-07-07
Czaja, Donald E.
Resilient tires and wheels
Tires, resilient
Inflating devices
137225, 137859, 141 46, 152415, B60C 2900
Patent
active
046780173
ABSTRACT:
A modular tire valve assembly (11) for a central tire inflation system (10) comprising a valve body (212) having only a first (66) and a second (72) fluid connection from the exterior to the interior thereof is provided. The first fluid connection comprises a first port connected to a selectively pressurized and exhausted conduit (52) and the second fluid connection comprises a second port connected to the interior pressurized chamber (74) of an inflatable tire (12). The assembly includes first valve means (220) responsive to pressurization and exhausting of said selectively pressurized and exhausted conduit to establish or block, respectively, fluid communication between said first and second ports and second valve means (280) responsive to pressurization in said interior tire chamber to maintain said first valve means in the closed position thereof if said interior tire chamber is pressurized below a predetermined reference pressure. The diaphragm valve means (220 and 280, respectively) are located at the interfaces of the first (202) and second (204) modules and of the second (204 ) and third (206) modules, respectively.
REFERENCES:
patent: 2634781 (1953-04-01), Turek
patent: 2976906 (1961-03-01), Kamm et al.
patent: 2989999 (1961-06-01), Holbrook et al.
patent: 3532140 (1970-10-01), Hoffman
patent: 4203467 (1980-05-01), Cardi
patent: 4212334 (1980-07-01), Dudar
patent: 4437504 (1984-03-01), Stumpe
Czaja Donald E.
Eaton Corporation
Gordon H. D.
Hoch Ramon R.
Rowe D. A.
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