Self-cleaning sight tube assembly

Details Self-cleaning sight tube assembly Self-cleaning sight tube assembly

1994-12-15

1996-02-27

Chilcot, Richard

Measuring and testing

Liquid level or depth gauge

Sight glass

73323, G01F 2302

Patent

active

054939070

ABSTRACT:
A self-cleaning assembly for a vertically oriented sight tube interposed in a flow line is suspended from a bearing member for free rotation within the sight tube. The assembly includes a support member having a pair of cleaning members suspended remote from the tube axis. A flow directing assembly upstream from the sight tube (either above or below) sets up a spiral flow pattern within the sight tube. This spiral flow pattern causes the cleaning assembly to spin, and centrifugal force pushes the cleaning members against the interior wall of the sight tube to effect a scouring action thereon.

REFERENCES:
patent: D122039 (1940-08-01), Van Gaasbeek
patent: 362719 (1887-05-01), Campbell
patent: 858663 (1907-07-01), Liebscher
patent: 1276831 (1918-08-01), Tillery
patent: 2765660 (1956-10-01), De Hart
patent: 3393564 (1968-07-01), Simmons
patent: 3402418 (1968-09-01), Le Roy
patent: 4549567 (1985-10-01), Horton
patent: 5103757 (1992-04-01), Palazzolo

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