Porous rod metering valve

Details Porous rod metering valve Porous rod metering valve

1977-12-07

1982-08-03

Brown, David H.

Lubrication

Lubricators

Gravity feed

184 87, 210446, F16N 2700

Patent

active

043423752

ABSTRACT:
A porous rod for inclusion in a lubricant metering valve is provided with radially projecting means forming an annular shoulder intermediate the length of the rod. The rod is tightly enveloped in an impervious sleeve which extends over at least a portion of the length of the rod. An annular sealing member is disposed on the rod in engagement with the shoulder, the sleeve and the opposed wall of the bore of the valve. The sealing member is compressed into proper sealing mode with assembly of the male and female valve members to preclude passage of lubricant through the valve except by passage through the porous rod.

REFERENCES:
patent: 227570 (1880-05-01), Paulson
patent: 306542 (1884-10-01), Smith
patent: 441681 (1890-12-01), Mitchell
patent: 891377 (1908-06-01), Samuelson
patent: 992229 (1911-05-01), Mille
patent: 1687780 (1928-10-01), Neale
patent: 2583457 (1952-01-01), Woodell
patent: 2788128 (1957-04-01), Heine
patent: 2789654 (1957-04-01), Zurit
patent: 3042079 (1962-07-01), Swift et al.

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