Dry run-high pressure stage of a multistage piston compressor

Details Dry run-high pressure stage of a multistage piston compressor Dry run-high pressure stage of a multistage piston compressor

1989-12-12

1991-04-16

Kwon, John T.

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

92153, 92158, 92248, 92255, 92261, 417572, 417266, 277 58, F16J 1518

Patent

active

050073311

ABSTRACT:
The invention relates to the dry run-high pressure stage of a multistage piston compressor with a piston designed as a tappet (2) guided in the high pressure cylinder (1) and sealed against the compression space of the cylinder (1) by means of self-lubricating sealing elements (3) forming an annular gap together with the working surface, whereby the latter is formed by a material suitable for dry run. According to the invention, the sealing elements having a height conforming at least to their diameter are embodied in the form of at least two cylindrical sealing elements (3), which are loosely placed one on top of the other in the cylinder (1) on the free end of the tappet (2), provided with working surface guides at least in part areas, and have chamfers (6) on the face side.

REFERENCES:
patent: 334037 (1886-01-01), Nash
patent: 2344687 (1944-03-01), Fischer et al.
patent: 3315881 (1967-04-01), Halpin et al.
patent: 4873913 (1989-10-01), Pruitt et al.

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