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US3922153A Expired / Lapsed US ⏱️ 0.0 years remaining

Injector type liquid cooling apparatus

Assignee: Baltimore Aircoil Co Inc
•
Filing: 1974-03-06
•
Granted: 1975-11-25
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Expires: 1994-03-06
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Abstract

Abstract An injector type cooling apparatus is disclosed wherein multiple flat liquid sprays are directed into a conduit of uniform cross section to draw cooling air into and through the conduit for mixture with and heat transfer from the liquid. Air flow control strips are provided at the conduit inlet along with a special turbulence reducing air inlet slot. Also described is a dual level liquid collection means.

Inventors

  • 👤 Jr John Engalitcheff
  • 👤 Jr Wilson E Bradley
  • 👤 Edward N Schinner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 09:18
CPC Classifications
F; F28; F28C; F28C1/00; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/11

Claims Analysis

Total Claims: 31
Claim 1
Independent Claim 144 words
IN COMBINATION WITH AN INJECTOR TYPE LIQUID COOLING SYSTEM WHICH COMPRISES AN AIR CONDUIT OPEN AT BOTH ENDS TO THE ATMOSPHERE, A PLURALITY OF LIQUID SPRAY NOZZLES POSITIONED NEAR ONE END OF THE CONDUIT AND DISTRIBUTED OVER ITS CROSS SECTION, SAID NOZZLES BEING ORIENTED TO DIRECT LIQUID SPRAYS TOWARD THE OTHER END OF SAID CONDUIT, LIQUID-AIR SEPARATOR MEANS POSITIONED IN SAID CONDUIT NEAR ITS SAID OTHER END FOR INTERCEPTING THE LIQUID SPRAYED BY SAID NOZZLES AND FOR CAUSING SAID LIQUID TO FLOW DOWNWARDLY ALONG SAID LIQUID-AIR SEPARATOR MEANS, A LIQUID COLLECTOR SUMP POSITIONED BELOW SAID CONDUIT TO COLLECT LIQUID WHICH FLOWS DOWN THE LIQUID AIR-SEPARATOR MEANS AN INLET AIR FLOW STABILIZING MEANS FOR MAINTAINING A SMOOTH EDDY FREE FLOW OF INCOMING AIR COMPRISING A PLURALITY OF STRAIGHT, CLOSELY SPACED PARALLEL STRIPS OF THIN SHEET MATERIAL EXTENDING IN A GENERALLY UPRIGHT POSITION AND DISTRIBUTED OVER
Claim 2
Dependent Claim 144 words
IN COMBINATION WITH AN INJECTOR TYPE LIQUID COOLING SYSTEM WHICH COMPRISES AN AIR CONDUIT OPEN AT BOTH ENDS TO THE ATMOSPHERE, A PLURALITY OF LIQUID SPRAY NOZZLES POSITIONED NEAR ONE END OF THE CONDUIT AND DISTRIBUTED OVER ITS CROSS SECTION, SAID NOZZLES BEING ORIENTED TO DIRECT LIQUID SPRAYS TOWARD THE OTHER END OF SAID CONDUIT, LIQUID-AIR SEPARATOR MEANS POSITIONED IN SAID CONDUIT NEAR ITS SAID OTHER END FOR INTERCEPTING THE LIQUID SPRAYED BY SAID NOZZLES AND FOR CAUSING SAID LIQUID TO FLOW DOWNWARDLY ALONG SAID LIQUID-AIR SEPARATOR MEANS, A LIQUID COLLECTOR SUMP POSITIONED BELOW SAID CONDUIT TO COLLECT LIQUID WHICH FLOWS DOWN THE LIQUID AIR-SEPARATOR MEANS AN INLET AIR FLOW STABILIZING MEANS FOR MAINTAINING A SMOOTH EDDY FREE FLOW OF INCOMING AIR COMPRISING A PLURALITY OF STRAIGHT, CLOSELY SPACED PARALLEL STRIPS OF THIN SHEET MATERIAL EXTENDING IN A GENERALLY UPRIGHT POSITION AND DISTRIBUTED OVER
Claim 3
Dependent Claim 19 words
A combination according to claim 1 wherein said nozzles are constructed to project essentially flat, fan shaped liquid sprays.
Claim 4
Dependent Claim 37 words
A combination according to claim 1 wherein said nozzles are constructed to project essentially flat, fan shaped liquid sprays which are mutually parallel and wherein said strips lie in planes parallel to the planes of said sprays.
Claim 5
Dependent Claim 34 words
A combination according to claim 1 wherein said conduit is provided with an air control inlet slot extending across its upper surface near said one end immediately downstream of said inlet air stabilizing means.
Claim 6
Dependent Claim 15 words
A combination according to claim 4 wherein said conduit is of generally rectangular cross section.
Claim 7
Dependent Claim 15 words
A combination according to claim 5 wherein said strips extend in a generally upright position.
Claim 8
Dependent Claim 20 words
A combination according to claim 5 wherein the downstream edge of said slot is formed with an upwardly curled lip.
Claim 9
Dependent Claim 31 words
A combination according to claim 7 wherein the lower edge of said one end of said conduit is formed with a curved lip immediately upstream of said inlet air stabilizing means.
Claim 10
Dependent Claim 21 words
A combination according to claim 1 wherein said strips are held together in groups which are separately removeable from said conduit.
Claim 11
Dependent Claim 25 words
A combination according to claim 9 wherein each group of said strips is held together at its upper end by means of an inner channel.
Claim 12
Dependent Claim 18 words
A combination according to claim 10 wherein said inner channel fits loosely but snugly within an outer channel.
Claim 13
Dependent Claim 29 words
A combination according to claim 16 wherein said strips are of a length such that in assembly a clearance exists between the tops of the inner and outer channels.
Claim 14
Dependent Claim 27 words
A combination according to claim 12 wherein the lower ends of said strips rest within brackets in assembly, said brackets having a depth less than said clearance.
Claim 15
Dependent Claim 29 words
A combination according to claim 13 wherein each group of strips is also held together by means of an elongated flange extending across the outer edges of the strips.
Claim 16
Dependent Claim 15 words
A combination according to claim 14 wherein said flange is configured to form a handle.
Claim 17
Dependent Claim 154 words
In an injector type liquid cooling system which comprises an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, in said conduit near its said other end, said liquid-air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 18
Dependent Claim 154 words
In an injector type liquid cooling system which comprises an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, in said conduit near its said other end, said liquid-air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 19
Dependent Claim 29 words
An injector type liquid cooling system according to claim 16 wherein the means directing the liquid collected in the different trays comprises bypass openings formed in the upper tray.
Claim 20
Dependent Claim 25 words
An injector type liquid cooling system according to claim 16 wherein each tray comprises a generally horizontally extending shelf with upstanding walls about its periphery.
Claim 21
Dependent Claim 21 words
An injector type liquid cooling system according to claim 16 wherein each bank of strips extends down into its respective tray.
Claim 22
Dependent Claim 46 words
An injector type liquid cooling system according to claim 16 wherein the width of the strips above each tray is related to the size of said nozzles such that the strips in each bank accommodate the liquid spray incident thereon to produce liquid-air separation without overflooding.
Claim 23
Dependent Claim 15 words
An injector type liquid cooling system according to claim 16 wherein said strips are corrugated.
Claim 24
Dependent Claim 180 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of parallel strips distributed over the cross section near said one end upstream of said spray nozzles, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 25
Dependent Claim 180 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of parallel strips distributed over the cross section near said one end upstream of said spray nozzles, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 26
Dependent Claim 230 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, the cross section of the conduit being rectangular and substantially uniform throughout its length, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented and configured to direct essentially flat fan shaped liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of spaced apart upright strips distributed over the cross section near said one end upstream of said spray nozzles, said conduit being formed with an air inlet control slot extending across its upper surface near said one end and immediately downstream of said air flow stabilizing means, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 27
Dependent Claim 230 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, the cross section of the conduit being rectangular and substantially uniform throughout its length, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented and configured to direct essentially flat fan shaped liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of spaced apart upright strips distributed over the cross section near said one end upstream of said spray nozzles, said conduit being formed with an air inlet control slot extending across its upper surface near said one end and immediately downstream of said air flow stabilizing means, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank and means directing the liquid collected in the different trays into a common sump positioned below said conduit.
Claim 28
Dependent Claim 201 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of parallel strips distributed over the cross section near said one end upstream of said spray nozzles, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank, each tray comprising a generally horizontally extending shelf with upstanding walls about its periphery and the upper trays being formed with bypass openings through which liquid collected therein may flow directly into a common sump positioned below said conduit.
Claim 29
Dependent Claim 201 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented to direct liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of parallel strips distributed over the cross section near said one end upstream of said spray nozzles, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank, each tray comprising a generally horizontally extending shelf with upstanding walls about its periphery and the upper trays being formed with bypass openings through which liquid collected therein may flow directly into a common sump positioned below said conduit.
Claim 30
Dependent Claim 250 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, the cross section of the conduit being rectangular and substantially uniform throughout its length, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented and configured to direct essentially flat fan shaped liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of spaced apart upright strips distributed over the cross section near said one end upstream of said spray nozzles, said conduit being formed with an air inlet control slot extending across its upper surface near said one end immediately downstream of said air flow stabilizing means, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank, each tray comprising a generally horizontally extending shelf with upstanding walls about its periphery and the upper tray being formed with bypass openings through which liqid collected therein may flow directly into a common sump positioned below said conduit.
Claim 31
Dependent Claim 250 words
An injector type liquid cooling system comprising an air conduit open at both ends to the atmosphere, the cross section of the conduit being rectangular and substantially uniform throughout its length, a plurality of liquid spray nozzles positioned near one end of the conduit and distributed over its cross section, said nozzles being oriented and configured to direct essentially flat fan shaped liquid sprays toward the other end of said conduit, air flow stabilizing means comprising a plurality of spaced apart upright strips distributed over the cross section near said one end upstream of said spray nozzles, said conduit being formed with an air inlet control slot extending across its upper surface near said one end immediately downstream of said air flow stabilizing means, liquid-air separator means positioned in said conduit near its other end, said liquid air separator means comprising a plurality of strips distributed across the conduit cross section and arranged side by side therein in a generally upright attitude, said strips being configured and arranged to intercept liquid from the fluids flowing through said conduit and to cause said liquid to flow down toward its lower ends, said strips further being arranged in upper and lower banks, a liquid collection tray positioned along the bottom of each bank, each tray comprising a generally horizontally extending shelf with upstanding walls about its periphery and the upper tray being formed with bypass openings through which liqid collected therein may flow directly into a common sump positioned below said conduit.

References Cited (Backward Citations)

US3290867A Cited
US3437319A Cited
US3785625A Cited
US3785626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-11-24 1979-05-26 1979-11-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-11-24 1983-05-26 1983-11-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-11-24 1987-05-26 1987-11-25 $7700.00 Window Closed / Lapsed

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