Lubrication – Rail or rail vehicle wheel lubricator
Patent
1978-09-28
1985-06-04
Brown, David H.
Lubrication
Rail or rail vehicle wheel lubricator
184 153, B61F 1700, F16N 700
Patent
active
045209014
ABSTRACT:
In a method of lubricating a curved section of a railway track subjected to wear by the wheel-flanges of passing railroad vehicles the rail section is intermittently lubricated with lubricant from a lubricating shot-unit or metering-unit provided with a nozzle. The shots of lubricant may be controlled by using a signal voltage applied between the rails or by means of an electric transducer, an inductive transducer, a coupling clock or the like. Compressed air and/or lubricant is applied through lines to the metering-unit from separate storage containers arranged at a distance from the unit.
In one embodiment a propelling-gas of reduced pressure is caused, via a control unit, to control in a pulse-like fashion a metering valve associated with said metering-unit.
The invention also refers to an apparatus for the intermittent discharge of a working substance, e.g. grease for lubricating railway tracks, by means of a propelling-gas under high pressure such as nitrogen gas.
REFERENCES:
patent: 2104176 (1938-01-01), Warr
patent: 2285082 (1942-06-01), Bolt
patent: 2718280 (1955-09-01), Hurrell
patent: 2814422 (1957-11-01), Mercier
patent: 3051262 (1962-08-01), Bettison
patent: 3059724 (1962-10-01), Soule
Astrom Erik G.
Borup Alf L.
Brown David H.
Swedish Rail System AB SRS
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