Communications: electrical – Selective – Having indication or alarm
Patent
1979-07-12
1981-08-11
Caldwell, Sr., John W.
Communications: electrical
Selective
Having indication or alarm
731465, 244103R, 340 27R, B60C 2300, G08G 112
Patent
active
042837073
ABSTRACT:
An aircraft low tire pressure sensing and cockpit display and warning system utilizing axle wheel pair comparator circuitry to provide signals representative of pressures of the axle wheel pair less than a predetermined value, e.g. 15 percent less than a preset value determined by tire requirements or a difference between axle wheel pair pressures greater than a given value, e.g. 25 psi. In the event of tire master warning lamp illumination on the flight deck warning display, further push button interrogation and identification of the axle pair causing the warning can be made by a crew member on the flight deck warning display.
REFERENCES:
patent: 2155903 (1939-04-01), Leavenworth
patent: 2279140 (1942-04-01), Kellen
patent: 3645479 (1972-02-01), Kostroun et al.
patent: 3691524 (1972-09-01), Frost et al.
patent: 3707701 (1972-12-01), Neu
patent: 3900828 (1975-08-01), Lage et al.
patent: 4224597 (1980-09-01), DiCecio
Caldwell Sr. John W.
Donahue B. A.
Gardner Conrad O.
Nowicki Joseph E.
The Boeing Company
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