Patent US3880964A successfully refreshed from Google Patents.
US3880964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot water supply and distribution structure for cooling towers
Assignee: MC ACQUISITION Corp
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Filing: 1972-09-05
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Granted: 1975-04-29
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Expires: 1992-09-05
Abstract
Abstract A crossflow cooling tower having fireproof liquid supply means including a riser opening directly into an overhead flume located inwardly of and adjacent to a hot water distributor for supplying hot liquid to be cooled to the latter. A liquid stilling chamber is provided between the riser and flume to prevent nonuniform, turbulent liquid delivery to the distributor. A horizontal conduit which is normally submerged in the hot liquid delivers liquid from the inlet flume to an outer section of the distributor to permit variation of the water delivery pattern to the fill assembly for temperature control purposes to deice the fill assembly during below freezing operation. Valve means actuated by a pneumatically expansible baffle variably restricts flow through the conduit, and the resilient nature of the baffle facilitates breakup of any ice which may tend to form thereon. A shiftable gate-controlled opening in the stilling chamber allows the operator to bypass the hot liquid around the fill assembly without cavitating the liquid power supply means.
Inventors
- 👤 Homer E Fordyce
- 👤 Graham Charles Parkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:46
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04; F28C; F28C1/00; F28C1/04; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S261/86
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
188 words
For use with a cross-flow cooling tower provided with a fill assembly having an air inlet face and an air outlet with inner and outer portions therebetween for serial passage of air therethrough: horizontally adjacent, inner and outer hot liquid distribution basins defined by spaced inner and outer sidewalls and respectively overlying said inner and outer portions of the fill assembly for receiving and distributing hot liquid to be cooled to respective portions; liquid supply means including an open-top, liquid collecting flume located inwardly of said inner distribution basin and having a common sidewall therewith for supplying liquid to said inner distribution basin when liquid collects in said flume to a level overflowing said common sidewall prior to subsequent gravitation of the liquid to said inner portion of the fill assembly; and a conduit interconnecting said flume and outer distribution basin for delivery of fluid to the latter, said conduit being in communication with said flume at a level therein below the level at which liquid overflows said common sidewall, whereby liquid is uniformly delivered to said outer distribution basin during all liquid cooling operations of said tower.
Claim 2
Dependent Claim
188 words
For use with a cross-flow cooling tower provided with a fill assembly having an air inlet face and an air outlet with inner and outer portions therebetween for serial passage of air therethrough: horizontally adjacent, inner and outer hot liquid distribution basins defined by spaced inner and outer sidewalls and respectively overlying said inner and outer portions of the fill assembly for receiving and distributing hot liquid to be cooled to respective portions; liquid supply means including an open-top, liquid collecting flume located inwardly of said inner distribution basin and having a common sidewall therewith for supplying liquid to said inner distribution basin when liquid collects in said flume to a level overflowing said common sidewall prior to subsequent gravitation of the liquid to said inner portion of the fill assembly; and a conduit interconnecting said flume and outer distribution basin for delivery of fluid to the latter, said conduit being in communication with said flume at a level therein below the level at which liquid overflows said common sidewall, whereby liquid is uniformly delivered to said outer distribution basin during all liquid cooling operations of said tower.
Claim 3
Dependent Claim
27 words
A cooling tower as set forth in claim 1, wherein is provided valve means in said conduit for variably restricting flow therethrough to said outer distribution basin.
Claim 4
Dependent Claim
64 words
A cooling tower as set forth in claim 1, wherein said outer distribution basin has an outer sidewall of less height than said common sidewall, said conduit being of a size capable of delivering liquid to said outer distribution basin at a rate causing sufficient overflow thereof over said outer sidewall to impede collection of ice in blocking relationship to the air inlet opening.
Claim 5
Dependent Claim
93 words
A cooling tower as Set forth in claim 3, wherein is provided a series of horizontal air inlet louvers located across said air inlet face of the fill assembly and positioned in vertically staggered relationship with the lowermost margin of each louver located above an area of the louver therebelow intermediate the longitudinal margins thereof, said series of louvers being inclined in the direction of airflow and the uppermost louver being located below said outer sidewall of the outer distribution basin whereby liquid overflowing said outer sidewall cascades down the series of louvers.
Claim 6
Dependent Claim
94 words
A cooling tower as set forth in claim 1, wherein said liquid supply means further includes a liquid collection box and a generally upright riser disposed in stacked relationship directly beneath said flume and registering therewith whereby liquid is delivered generally upwardly from said riser through said collection box to said flume, said collection box being of a size and configuration to reduce the vertical velocity of the liquid prior to entry thereof into said flume to an extent to allow substantially uniform distribution and collection of liquid throughout the length of said flume.
Claim 7
Dependent Claim
79 words
A cooling tower as set forth in claim 5, wherein is provided a liquid collection basin underlying said collection box and the fill assembly for collecting liquid gravitating through the latter, said collection box having an opening therein allowing escape of liquid from said liquid supply means for gravitation to said collection basin in bypassing relationship to said inner and outer distribution basins and the fill assembly, and wherein is provided means for controlling liquid flow through said opening.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |