US1819832A - Heat exchange device - Google Patents

Description

Aug. 18, 1931. F. w. WILLIAMS .HEAT EXCHANGE DEVICE 4 FiledvMay 20. 1929 2 Sheets-Sheet l Franc/s W l/I//Mams fnl/er) ar Aug. 18, 1931. F, w. WILLIAMS HEAT EXCHANGE DEVICE Filed May 20. 1929 2 Sheets-Sheet 2 Franc/.s M/ I/V//ams 3o flow. ot Water, saidllovv of Water being con- Patented Aug. 18, 1931 ieiasz.

i @LT E i FRANCIS W. WILLIAMS; 0F CHARLOTTE, 'NORTH CAROLINA HEAT EXCHANGE' DEVICE Application-.filed Mayl 20, 1929i Serial No..l 364,490.

'.Ehisinvention. relatesto a heat exchange deviceJ and: more especially tof a device for cooling Water which isdesired to be used for, icemaking and` also for cooling any other fluid= which may be desiredV toy be passed through. themachine.

An. obj ectoff` my: invention is to. provide a heat exchangeV device in` Which a plurality o pipes` are adapted. to. pass a. refrigerating agencythrough a series of troughs and; said. troughs. are adapted. to receive the. fluid whichV is adapted. to be cooledand to convey the Huid from one troughto.anothenand'- to allow the fluid: to yfall into a vat from whence it is. taken to.. be used..

Another object ot my invention is to pro.- v.id'e\a heat eXchangedevice in vvhich a uid is passedx through ai plurality offpipes and said pipes are submerged in a `plurality ofl troughs,`vvith-. means for retarding thefflovv of the luidd'esi'red to beY cooled through the troughs, together With. means for permitting the troughs tofbe entirely. emptied Whennot. in, use and-saidl emptying operation to; be entirely automatic,y and' also to provide means for automatically stoppingy the; flow off they refrigeratingty fluidi When the Water. inl vthe tank below the machine. reaches a" predetermined temperature, degree; together With-.means for automatically. controlling the trolled by thelevelof the Water or any fluid which is:` desired to `be`- refrigerated and vvhieh rest inV the tankbelow the;- heat ezt-v ohangedevice.

' Some`y oil the objects off my invention-Q having,` beenI stated other f objects Will-.appear-"as the description proceeds when taken inv connection with the'accompanying drawings,`

in Whiehv Figure 1 isl aside elevation; partially `in erossesectionl of my heat. exchange, device Figure` 2* is a4 vieW- taken `along the line 2?-2 in. Figure` 1;

Figure 3 is a, vievv taken along the line` 3 3 in Figure 2; l

Figure 4. is a cross-sectional view taken along the line 4 4 .in Figure 2;`

Figure 5'is a detail view ofthe means for. connecting the three pipes together at. each, end ofthe heat exchangeY device.

Referring more particularly to the drawings the numeral'lO` indicatesabox member in which my deviceris adapted to be placed for operation,V the ends off said boX member being designated by the reference characters 11 and 1.2 the side portion. of, saidV boxmember being designated by the reference` character 13, only one of said side por.- tions being shovvn in Figure L but the. side opposite to the side 13 is identical' to the said. side 13. I provide a tank. member 1x5 which has the endl members `lJGYand 17 andA the. side member 18. Thistank has a metal.-v lic liningv 19-'and` the metallic covering 2O therearound with. sheets of cork 2l. between said metallic members to provide an insu: latedfta-nk. for preserving the'loW tempera.- ture ofthe Water. y i j In the bottom off` ythe tank I' mount the pipe 22 which is the outlet Vpipe through yWhich the refrigeratedliquid canbe drawn Vfor use.. rEhis pipe is secured tothebottomv of the tank bymeans of the threaded flangenlember 2,3 being secured in place by means offtheboits 2.4. The bottom. member 2510i the box in ivhichmy device is adapted to operate has the ,hole 26 therein through which. the pipe 22 is adapted to pass.. It is evidentthat this tank and the machineivhich is mounted therein can be lifted out ot the boX memberif desired., Secured tol the side portion ofthel tank 15' are the four upstandlh ing members3G., 3.1;, 32 and 33 which meurbers are adapted to support the troughs into Whichthe Water. orother liquid whichV is siredto bercirigerated is poured andpassed therethrough.v These members 30 to 33 in.- clusive have a plurality of'bolts, Which are in: 90

, dicated by the reference character 35, passing therethrough, and on these bolts the troughs 36, 37, 38, 39, 40, 41 and 42 are adapted to rest in approximately a level position. A plurality of pipes are adapted to be mounted in said troughs. The pipe 50 is lead through the side of the tank at the bottom of the machine and branches outwardly by means of the members 51, 52 and 53 and the three pipes 54, 55 and 56 are connected to this pipe 50 and these pipes 54, 55 and 56 are lead through one trough and then up through another trough and so on until they reach the top of the machine where they are joined together by exactly the same mechanism as is shown in Figure 5 and has previously been described, and the pipe 58 leads the refrigerating fluid back to the source from which it came such as a` com-l presser. Each of these troughs have one closed end and one open end, and in the open end of each trough there is a device for retarding the flow of water through each of the troughs and to cause the pipes to be entirely submerged by the water or the fluid which is desired to be refrigerated at all timesl This retarding device comprises the members 60 and 61 which are hollowed out to fit around the pipes and the gasket member 62 is adapted to be placed between these members 6() and 61 to pass around the top portions of each of the pipes and the gasket member 63 is adapted to also be placed between the members 60 and 61 and to pass around the lower faces of each of the pipes, and then the gasket member 64 is adapted to be placed between the members 60 and- 61 and the trough member. The bolts 65 and 66 pass through the members 60 and 61 and the gasket members 62 and 63 and also through the bottom of the trough member and thus firmly secures this retarding device in position, and prevents water or other fluid which is being refrigerated from passing out ofthe end of the trough except over the top, and the top of this retarding device being above the upper surface of the pipes causes the water or other fluid which is desired to be refrigerated to cover the pipes at all times. Each of the troughs have a plurality of holes 67 therein which permit each of the troughs to drain when operation of the machine ceases. The end of the troughs have the gasket member 64 extending slightly above the top of the retarding device 61 so as to prevent water from leaking between the head on the bolt and the wall portions of the trough so as to cause the water to fail to fall over the retarding device near the wall portion, and the wallportions of the trough have the inwardly curved portions 70 and 71 which direct the water inwardly so that it will fall entirely into the next preceding trough below without any falling over the side of the next proceeding trough below.

These members 30 to 33 inclusive are braced together by means of the brace members 72 and 73.

The water or other fluid which is desired to be passed through my machine for purposes of refrigerating the same is conducted to the top of the machine by means of the pipe 74 and the valve 75 is located in said pipe with the rod 76 extending downwardly from said valve with the float 77 on the lower end thereof, the purpose of this arrangement being to operate the valve by means of the float member 77 so that when a predetermined level is reached in the tank 15 that the flow of water will be automatically shut off or diminished as the case may be.

I also provide the thermostatic switch 8O in the vat with the wires 81 and 82 leading upward therefrom which wires are lead to the electric motor operating the compresser for forcing the refrigerating fluid through the machine so that when a predetermined degree of temperature is reached in the refrigerated fluid which falls into the tank 15 that the device will be automatically closed and the refrigerating fiuid will not be passed through the pipe until the temperature rises to a predetermined point at which time the thermostatic switch will automatically start the compresser into operation and themachine will again function to pass the refrigerating fluid through the machine.

In the drawings and specication I have set forth a preferred embodiment ofv my invention, and although specific terms are employed they arel used in a generic and descriptive sense only, and not for purposes of limitation, the scope of the invention being set forth in the appended claims.

I claim:l

1. In a heat exchange device, a plurality of troughs mounted one above the other, said troughs being in the same vertical plane and being parallel to each other, said troughs being adapted to receive a fluid to be refrigerated, said fluid being adapted to pass from the end of one trough and to fall into the end of another trough, and so on through the series, a coil passing through each of the troughs and being bent after leaving one trough to follow the course of the next preceding trough respectively, a4 retarding member in the open end of each ofthe troughs adapted to retard the flow of the fluid adapted to be refrigerated until the fluid has covered'the coil in the trough, andra plurality of holes in the bottom of each trough adapted to permit the. trough to drain when the machine is not in operation.

2. In a water cooling machine, a plurality of troughs placed one above the othervr and one trough being adapted to empty'into the next succeeding trough therebelow, a'coil of pipes adapted to be passed up through all of the troughs and being bent after leaving one trough to enter the next succeeding trough above, said coil of pipes being adapted to have conveyed therethrough a refrigerating fluid, each of said troughs in its discharge end having a ret-arding dam which is adapted to cause the level of the fluid to be refrigerated to rise above thekpipes before falling from one trough into the next succeeding trough below, and means on the side of the trough for directing the falling fluid away from the edges of the next suoceeding trough therebelow.

In testimony whereof I aix my signature.

FRANCIS W. WILLIAMS.

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