Gage side or field side top-of-rail plus gage corner...

Details Gage side or field side top-of-rail plus gage corner... Gage side or field side top-of-rail plus gage corner...

2005-01-24

2010-06-15

King, Bradley T (Department: 3657)

Lubrication

Rail or rail vehicle wheel lubricator

C184S015300, C184S026000, C291S001000, C291S002000, C291S003000

Reexamination Certificate

active

07735607

ABSTRACT:
A rail lubricator for a railroad rail has a nozzle adjacent to the rail and attached thereto. The nozzle has a discharge orifice disposed beneath the top surface of the rail. The orifice is aimed generally longitudinally of the rail with the aiming including an upward component and a lateral component toward the centerline of the rail. Jets of lubricant project upwardly from the nozzle, arch above the top surface of the rail, and then fall onto the top surface and gage corner of the rail. This lubricates the top of a rail using an optimum amount of lubricant on the optimum area of the railhead. The lubricant is applied when the nozzles are spanned by a car.

REFERENCES:
patent: 2518786 (1950-08-01), Huck
patent: 3059724 (1962-10-01), Soule, Jr.
patent: 4520901 (1985-06-01), Borup et al.
patent: 6199661 (2001-03-01), Kumar
patent: 7121383 (2006-10-01), Kumar et al.
patent: 7273131 (2007-09-01), Urmson et al.
patent: 2003/0111295 (2003-06-01), Kumar et al.
EPO Search Report Communication dated Oct. 29, 2007 for EPO Patent Application No. 06250379.2.

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