Self-lubricating die cylinder

Details Self-lubricating die cylinder Self-lubricating die cylinder

1987-05-11

1989-03-28

Kashnikow, Andres

Spring devices

Fluid

Expansible-contractible chamber device

91 46, 92154, 184 18, 188315, 267 6415, 267130, F16F 700, F16F 914

Patent

active

048157180

ABSTRACT:
A self-lubricating die cylinder assembly is provided containing a cylinder, piston, expansion reservoir and working chamber. A lubricating oil recirculation means is provided to transport oil between the working chamber and the expansion reservoir during each of the piston strokes. A flow restrictor is provided to create a pressure differential between the two chambers during movement of the piston thus creating a jet mixture of compressible working fluid and lubricating oil spraying onto the walls of the cylinder.

REFERENCES:
patent: 1960070 (1934-05-01), Sellers
patent: 3201110 (1965-08-01), Taccone
patent: 3991863 (1976-11-01), Lee
patent: 4240531 (1980-12-01), Postema
patent: 4423859 (1984-01-01), Muller
patent: 4691902 (1987-09-01), Kadis

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