Lubrication – Rail or rail vehicle wheel lubricator – On vehicle
Patent
1997-10-21
2000-01-04
Graysay, Tamara L.
Lubrication
Rail or rail vehicle wheel lubricator
On vehicle
1051992, B61K 302
Patent
active
06009978&
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a rail gauge face lubricating apparatus. More particularly, the rail gauge face lubricating apparatus of the present invention is intended to allow the accurate and controlled delivery of lubricant to a rail gauge face.
DISCUSSION OF THE PRIOR ART
Lubricating devices for minimizing both the wear of wheel flanges and rails and the generation of noise thereby have typically involved the periodic application of a lubricant spray to the flange of a wheel. The lubricant spray is generally produced by way of a combination of compressed air and lubricant. There are a number of problems associated with such a system. Not all lubricant is transferred to the point of flange/rail contact. The use of a spray of lubricant often results in lubricant spraying over more than just the wheel flange as it is the nature of a spray to fan out from the spray nozzle.
Most known lubricating apparatus allow the periodic application of lubricant whereas it is desirable that lubricant be applied only when needed, for example when a rail car is travelling around a curve and the flange/rail contact is greatest.
BRIEF DESCRIPTION OF THE INVENTION
In accordance with the present invention there is provided a rail gauge face lubricating apparatus characterized by a delivery system for delivering lubricant to the rail head and a pump for producing a pressure to deliver lubricant to the delivery system, the delivery system comprising in part an actuable flow device governing the delivery of lubricant through the delivery system, wherein the actuable flow device of the delivery system is able to be influenced by a sensor able to detect the position of a bogey of a rail vehicle relative to the remainder of the rail vehicle whereby upon the rail vehicle moving through a curve, turn or corner an amount of lubricant is delivered to the rail gauge face of the rail head, the sensor comprising two members pivotally mounted to the underside of the rail vehicle having first ends thereof positioned with respect to one another and having second ends thereof mounted to the bogey of the vehicle, the first ends of the members being arranged so that relative movement therebetween is detected, that movement in turn directly or indirectly resulting in the actuation of the flow device of the delivery system.
The actuable flow device preferably comprises a piston member having a head and rod. The piston member may be maintained such that the actuable flow device is in a closed state through action of an air pressure directed to the head thereof. The sensor is preferably capable of influencing the direction of the air pressure to the head of the piston member such that lubricant is delivered through the actuable flow device.
The present invention further provides a positioning device characterized by two cylinders in fluid communication each having a single member extending therethrough dividing each cylinder into first and second compartments, each member being moveable within its cylinder, the first compartment of one cylinder being in fluid communication with the second compartment of the other cylinder and the second compartment of the first cylinder being in fluid communication with the first compartment of the other cylinder whereby movement of the member relative to the cylinder through which it passes produces a consequent movement in the member of the other cylinder, the upper end of the member of one cylinder being mounted on a bogey of a rail vehicle and its lower end having provided thereon a delivery system for application of lubricant to a rail gauge face of a rail head.
Preferably, the fluid communication between the compartments of the cylinders is provided with an adjuster for adjusting the volume of fluid held in the compartments interconnected thereby.
The present invention still further provides a method for the consistent and accurate application of a lubricant to a rail gauge face characterized by there being provided a delivery system for delivering lubricant to the rail gauge
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Craft Nominees Pty Ltd
Graysay Tamara L.
Kim Chang H.
LandOfFree
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