Pulse dampener

Details Pulse dampener Pulse dampener

1985-08-06

1986-12-16

Therkorn, Ernest G.

Liquid purification or separation

With means to add treating material

Chromatography

210101, 73 611C, 138 30, 417540, B01D 1508, F16L 5504

Patent

active

046295623

ABSTRACT:
A pulse dampener for inclusion into a liquid chromatography system comprising a body defining a cylindrical cavity which is enclosed by a closure member. A chemically inert diaphram extends across the cavity and further encloses a unitized plug. The unitized plug is provided with at least two portions, each having different compressibility characteristics. The closure member is provided with inlet and outlet ports, and a central thinned section on which is mounted a strain gauge. The strain gauge is used to measure liquid pressure in the dampener.

REFERENCES:
patent: 2852033 (1958-09-01), Orser
patent: 2904077 (1959-09-01), Trumper
patent: 3442293 (1969-05-01), Erdmann
patent: 4088154 (1978-05-01), Patton
patent: 4222414 (1980-09-01), Achener
patent: 4427029 (1984-01-01), Charney
patent: 4548713 (1985-10-01), Schmid
patent: 4552182 (1985-11-01), Graham

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