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US Patent 5221924 - Wind shear alert system
US Patent Issued on June 22, 1993
Estimated Patent Expiration Date:
May 1, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
May 1, 2011Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA wind shear alert system for low level horizontal wind shears is disclosed. The wind shear alert system is based upon a network of remote sensor stations placed near runways throughout the geographic area covered by an airport. An airport configuration file supplies numerous parameters related to the geometry and geography of the airport, as well as threshold values for divergence phenomena in the form of microbursts. Selected pairs, edges, and triples, triangles, of said network are monitored specifically to detect a divergence. Data from the various remote sensor stations is filtered to remove short term effects and adjust for missing data. A network mean is computed to which wind field measurement data and divergence analysis is compared. If a divergence in the form of a microburst or generic wind shear is detected, then the relative magnitude of the loss or gain in head wind to approaching aircraft is determined, as well as the location of the head wind. Alarm messages are issued to air traffic controller display screens which are then relayed to the pilot of an arriving or departing aircraft.Other References
| InventorAssigneeApplicationNo. 694455 filed on 05/01/1991US Classes:340/968, Wind shear73/170.11, With velocity determination340/949, Wind direction342/26DGround based (EPO)Field of Search340/949, Wind direction340/963, Flight alarm340/968, Wind shear340/967, Attitude (including yaw, angle of attack, roll, pitch, glide slope)73/178T, Take-off and landing monitors244/191Acceleration controlExaminersPrimary: Swarthout, Brent A.Attorney, Agent or FirmUS Patent References4295139, Method for transmitting airport weather informationIssued on: 10/13/1981 Inventor: Arpino4318076, Dynamic climatic condition indicating system Issued on: 03/02/1982 Inventor: Whitfield4725811, Wind shear detection and alerting system Issued on: 02/16/1988 Inventor: Muller , et al.4812844, Windshear detection indicator system Issued on: 03/14/1989 Inventor: Kallstrom4857922Windshear detection and warning system with evasion command Issued on: 08/15/1989 Inventor: Miller , et al. International ClassG08B 023/00 |
