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US3598372A Expired / Lapsed US ⏱️ 0.0 years remaining

Cooling tower water treatment apparatus

Assignee: Tesco Chemicals Inc
•
Filing: 1969-01-15
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Granted: 1971-08-10
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Expires: 1989-01-15
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Abstract

Abstract Cooling tower water treatment apparatus comprising a chemicalmixing device connected to the water makeup valve of the cooling tower. The chemical-mixing device includes a chemical container for supporting a shaped chemical composition, and a water container communicating with the water level valve and with the lower portion of the chemical container. The water flowing from the makeup valve through the water container impinges upon the lower portion of the shaped chemical composition so that the lower portion of the shaped chemical composition erodes and is mixed with the makeup water.

Inventors

  • 👤 Thomas E Schneider Jr
  • 👤 William E Bradley Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:30
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/688; Y; Y10; Y10T; Y10T137/00; Y10T137/4891

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 29 words
The invention of claim 1 wherein said chemical-mixing means includes control means adjustable to mix the chemical composition with all of or only varying portions of the makeup water.
Claim 2
Dependent Claim 36 words
The invention of claim 1 wherein said fluid flow means comprises a float valve communicating with a source of pressurized water, and wherein said chemical-mixing means is positioned above the normal level of cooling tower water.
Claim 3
Dependent Claim 27 words
The invention of claim 1 wherein said chemical-mixing means includes means for flowing water from said liquid flow means into impinging relationship with a shaped chemical composition.
Claim 4
Dependent Claim 17 words
The invention of claim 1 and further including means for adjusting the upper level of said standpipe.
Claim 5
Dependent Claim 120 words
A chemical-mixing device comprising an elongated chemical container normally positioned in an upright attitude for receiving a shaped chemical composition, said chemical container being open at its lower end and defining a plurality of apertures opening through its side at its lower end, support means positioned in said chemical container at its lower end for supporting a shaped chemical composition, a liquid container surrounding said chemical container intermediate the ends of said chemical container, conduit means communicating with said liquid container for connecting said liquid container to a source of liquid, a standpipe positioned within said liquid container and opening through the lower portion of said liquid container, and means for closing communication between said standpipe and said liquid container.
Claim 6
Dependent Claim 54 words
The invention of claim 6 wherein said standpipe comprises a pair of telescoped tubular members, with the inner tubular member connected at its lower end and extending through said liquid chamber and with the outer tubular member being movable in an upward direction about the inner tubular member into abutting relationship with closure means.
Claim 7
Dependent Claim 244 words
A water-cooling tower of the type utilized for air conditioners or the like comprising liquid flow means responsive to the level of water in the lower portion of the cooling tower for adding makeup water to the cooling tower; and chemical-mixing means for mixing a chemical composition with at least a portion of the makeup water as the makeup water flows from said fluid flow means, said chemical-mixing means comprising an elongated chemical container normally positioned in an upright attitude and defining an open lower end and a plurality of openings about its lower end, support means positioned at the lower end of said chemical container for supporting a shaped chemical composition in said chemical container, a water container communicating with the plurality of openings of said chemical container, and conduit means connecting said water container with said liquid flow means; said water container surrounding said chemical container intermediate the ends of the chemical container, and the support means of said chemical container including a conduit opening at one of its ends through the side of said chemical container into said water container and extending in an upward direction and opening at its inner end toward the center of said chemical container and a positioning rod positionable over the inner end of the support means conduit and defining a plurality of apertures opening into said chemical container at a level approximately at the same level as the plurality of openings in the chemical container.
Claim 8
Dependent Claim 107 words
A chemical-mixing device comprising a chemical container for receiving a shaped chemical composition, said chemical container being open at its lower end and defining at least one aperture opening through its side adjacent its lower end, support means positioned in said chemical container at its lower end for supporting a shaped chemical composition, a liquid container surroUnding at least a portion of said chemical container adjacent the aperture in the chemical container, conduit means communicating with said liquid container for connecting said liquid container to a source of liquid, and a standpipe positioned within said liquid container and opening through the lower portion of said liquid container.
Claim 9
Dependent Claim 24 words
A chemical-mixing device as recited in claim 9 wherein the device includes a means for closing communication between said standpipe and said liquid container.

References Cited (Backward Citations)

US2120807A Cited
US2709522A Cited
US2874032A Cited
US2859766A Cited
US3094134A Cited
US3229709A Cited
US3203440A Cited
US3416897A Cited
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US3430823A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-09 1975-02-08 1975-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-09 1979-02-08 1979-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-09 1983-02-08 1983-08-10 $7700.00 Window Closed / Lapsed

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