Pulse damper for chromoatography systems

Details Pulse damper for chromoatography systems Pulse damper for chromoatography systems

1982-11-12

1984-01-24

Marcus, Stephen

Pipes and tubular conduits

With pressure compensators

Variable capacity chambers

2101982, F16L 5504

Patent

active

044270291

ABSTRACT:
A pulse damper for inclusion in chromatograhy systems subjected to high pressures and comprising a body having one face from which a cavity extends inwardly to receive non-aqueous compressible fluid, a non-metallic diaphragm of limited flexibility extending across said cavity and clamped to the rim thereof by a cover having spaced ports respectively for inlet and outlet of a liquid vehicle for material being analyzed, said cover having in the face thereof which is adjacent the diaphragm a circular groove communicating with said ports to transmit therebetween the liquid being processed, and ports in the walls of the body which define the cavity respectively communicating with a pressure-indicating gauge and serving as a filling opening closed by a plug.

REFERENCES:
patent: 3333604 (1967-08-01), Birdwell
patent: 3608911 (1971-09-01), Prasse et al.
patent: 3984315 (1976-10-01), Ernst et al.
patent: 4024061 (1977-05-01), Gatiss
patent: 4163461 (1979-08-01), Jacobellis
patent: 4186776 (1980-02-01), Burton
patent: 4222414 (1980-09-01), Achener
patent: 4383551 (1983-05-01), Lynch

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