Hydraulic rail lubricator

Details Hydraulic rail lubricator Hydraulic rail lubricator

1990-08-10

1991-12-31

Lazarus, Ira S.

Lubrication

Rail or rail vehicle wheel lubricator

184 42, 417229, B61K 300

Patent

active

050763962

ABSTRACT:
A hydraulic master unit is mounted on the rail and has a master cylinder in which is mounted a plunger to be contacted by the wheel of the train. A master cylinder piston is driven against the compression of a cylinder spring inside the master cylinder body in which there is confined hydraulic fluid leading through a hydraulic line, through a hydraulic bulkhead assembly fitting and thence to a grease pump slave unit comprising a hydraulic grease pump piston operating against a grease pump spring inside of the grease pump housing in which there is a chamber confining the hydraulic fluid with the piston for operation to pump grease through the grease discharge and to draw grease from the grease container back into the slave cylinder and through a grease pump inlet valve against a grease pump inlet valve spring and so on in repetition in response to the contact of the master cylinder plunger by the train wheel.

REFERENCES:
patent: 2237312 (1941-04-01), Overmier et al.
patent: 2355241 (1944-08-01), Rodman et al.
patent: 2401303 (1946-06-01), Huber
patent: 2428171 (1947-09-01), Mennie
patent: 4309150 (1982-01-01), Payne
patent: 4334596 (1982-06-01), Lounsberry, Jr.

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