U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Open mesh fill assembly

Patent 4562015 Issued on December 31, 1985. Estimated Expiration Date: Icon_subject May 22, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2003271

2356653

2470652

2630305

2955064

3010706

3262682

3346246

3389895

3430934

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Inventor

Assignee

Application

No. 06/612923 filed on 05/22/1984

US Classes:

261/94, Porous mass261/112.2, Corrugated plates96/326Liquid flow surface perforated for gas flow therethrough

Examiners

Primary: Chiesa, Richard L.

International Classes

F28F 25/00 (20060101)
F28F 25/08 (20060101)
B01J 19/32 (20060101)

Abstract

A gas/liquid fill assembly for use in an evaporative cooling tower, chemical scrubbing apparatus or other device includes a plurality of facially-opposed corrugated sheets of material disposed in a substantially vertical, parallel relationship. The corrugations of each sheet are disposed at an angle to the horizontal with each of the corrugations extending continuously in substantially straight lines from one edge of the sheets to another edge. The corrugations in alternate sheets cross the corrugations in the sheets disposed between the alternate sheets. Adjacent corrugated sheets form channels to allow a gas and gravitating liquid to pass through the fill assembly. The sheets are formed of a foraminous material comprising an open-mesh network of interconnected webs. The interconnected webs are arranged to define a plurality of polygonally shaped openings. Each opening is symmetrically formed about an axis thereof and arranged within the sheet material so that its axis of symmetry is oriented substantially in the direction of maximum slope. The polygonally shaped openings in the sheets cause the gravitating liquid to divide around the openings and travel along the interconnecting webs whereby the liquid is distributed over the surfaces of the sheets.

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