Rail vehicle with sensing of thrown up ballast

Details Rail vehicle with sensing of thrown up ballast Rail vehicle with sensing of thrown up ballast

2007-06-13

2009-10-20

Lee, Benjamin C (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

C340S425500, C340S426100, C340S436000, C340S438000, C340S665000, C246S120000, C246S121000, C246S12200A, C104S002000, C104S018000, C238S002000, C238S009000

Reexamination Certificate

active

07605690

ABSTRACT:
A rail vehicle includes an underbody which is subjected to thrown up ballast when the rail vehicle is operating on a ballasted section of track. In at least one embodiment, the underbody is equipped with at least one acoustic signal pickup which acoustically senses ballast stones striking the underbody; a signal processing device is provided to which a signal is fed from the at least one acoustic signal pickup and which processes the signal in such a way that a thrown up ballast signal is generated which represents the impacting of ballast stones on the underbody; and the thrown up ballast signal from the signal processing device is included in a mode of operation of the rail vehicle.

REFERENCES:
patent: 2944250 (1960-07-01), Outt
patent: 4073193 (1978-02-01), Mastandrea
patent: 6216985 (2001-04-01), Stephens
patent: 19826220 (1999-12-01), None
patent: 102004041090 (2006-03-01), None
patent: 2006/021050 (2006-03-01), None
patent: 2006/021514 (2006-03-01), None
S.J. Cawser, Aej Hardy, Ce Wright: “AEATR-PCE-2002-RR-005 Issue 1—Feasibility of detecting rail flaws using acoustic equipment fitted to vehicles—Acoustic Track Monitoring; Phase 1: Initial Data Gathering and Analysis” (Online), Seiten 1-27, XP002455011, May 23, 2005, Rail Safety and Standards; Others; 2005; Board, gefunden im Internet: URL:http://www.rssb.co.uk/pdf/reports/Research/Feasibility%20of%20detecting%20rail%20flaws%2Ousing%20acoustic%20equipment%20fitted%20to20vehicle.pdf (gefunden am Oct. 15, 2007).
European Search Report dated Oct. 30, 2007, issued in corresponding European Application No. 07 10 9310.

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