US1781151A - Cooling system for passenger vehicles - Google Patents

Description

Nov. 11, 1930 c. F. HALL COOLING SYSTEM FOR PASSENGER VEHICLES.

Filed June 11, 1929' 5 Sheets-Sheet l Nov. 11, 1930. c. F. HALL 1,781,151

COOLING SYSTEM FOR PASSENGER VEHICLES I Filed June 11. 1929 s She'ets-Sheet 2 Nov. 11, 1930. c. F. HALL COOLING SYSTEM FOR PASSENGER VEHICLES Filed June 11, 1929 3 Sheets-Sheet 3 llll lllll-lullllllllll m E UQQDQQQQ .q

Patent ed Nov. 11; 1930 enema r. H t, or nan'rmonn, MARYLAND SYSTEM FOR PASSENGER VEHICLES Application filed June 11,

The present invention relates to a cooling system forrailway cars and the like, whereby t e process of mechanical refrigeration is applied most efficiently in cooling the atmosphere of the car and whereby in connection therewith or independently a continuous sup-- ply of cold water uncontaminated by contact with ice and colder than can be obtained by the use of ice is maintained. In the accompanying' drawings I have illustrated a cooling apparatus embodying the features of my invention in the preferred form and also showing certain modifications thereof.

In the drawings: v Figure l is a'front elevation of a stand or casing, enclosing the compressor condenser coil, water cooling compartment and other elements and details of the apparatus.

Figure 2 is a similar view-of amodified form of stand or casing. Figure 3 is a detail of tact air cooling conduit. a v Figure 4 is a front elevation of the cabinet at the tdp of the stand, shown in Figure 1, with the cover of the cabinet removed.

Figure 5 is .an enlarged detail of the'cold air supply cooling conduit. v.

Fi ure 6 is an elevati n of a water cooling stan corresponding to Figures 1, 2 and 4, the front cover being partially removed to show the details. Y Figure is an elevation of a railway car of; the .passenger carrying type equippedwith i one end of the-conthe cooling system of the invention which is shown more or less diagrammatically. a

Figure 8 isan enlarged section on the line Figure -9 'i's a' detail section of the spiral conduit atthe inlet end, i'. e.,- where the re f1'i eranti'sint reduced. eferring to the drawings by numerals, each of which is used to indicate the same or xsimila rparts in the different figures the illustration, plarticularly Fi res 1 and'4, shows an uprig t casing orho low pedestal 1, upot 1929. Serial in, $70,012.

which is supported a cooling compartment 2, enclosing the water cooling container shown in the form of a water pipe 3, referred to herein as a stand ipe of comparatively large diameter, the ext which pipe at 4 forms a tank for cold water to which thecooling effect of the apparatus is directly applied. This pipe 3 in the form of the invention shown is supplied with water from a tank5, carried by the coach in 56 any convenient location, compressed air and gravity feed forcing the water to points where needed, in this case itbeing' supported in the top of the car 23, from\ which the pipe 3 depends, extending downwardly into the com- 60 partment 2 as already described.

The pedestal or upright casing 1,'in the preferred form of the invention, encloses a condenser coil 6, shown at the bottom'in' Figure 1. This is for cooling the compressed re m gerant, which is referabl sulphur di.- I

oxide though any pre erred re rigerant may be used. This c011 is supplied with compressed refrigerant from thecom'presser 8 ,driven by any suitable motor, the coil being cooled in any suitable manner as by'means of av draft of air entering in the preferred form, Figure 1', at the bottom from beneath the car through the floor 9 by way of an open.- ing 10, registerin caTsing-1,'t'he air eing led upwardl by a slight vacuum which may be created COD- 'necting the casing l by means of a pipe 11 connected to the-casin with one ofthe venti the car, or the draft may be created in any suitable -manner.: It ;will be easily underabove the compressor stood that the casing 1' acts as an air passage and that when the car is 'inmotion .the air 1 is sucked ontattheyentilators creating a draft through-the coil-byway of pi e 11.

The-portion of thesystem containingt e re- I frigerant is "thushermetically sealed an separated from the interiorof the car, avoid ing any possibility that in case of accident eme lower end portion of 60- with the bottoin of the 76' ators 12 at the top of -80 J or from any other-cause, the refrigerant,

c of the fitting20.

which is considered harmful, may not escape intothe passengers compartment. In case of leakage, the vapor is carried outside with the cooling air, p

Referring now to Figures 1, 4 and 7, the refrigerant which is compressed by the com- 'pressor8 and cooled in the coil 6', is led up-- wardly from coil. 6 by a pipe 14 through the reducing valve 13 to a coil 15, WlllCh is shown as inside the water cooling compartment 2 and preferably encircles a brine or holdover tank 16 which, in turn, encloses the lower rtion'4 of the coldrwater pipe which is chil ed in a manner to be described furnishing ice water'for drinking. This coil 15 is referably of the helical conduit construction illustrated in detail in Figures and 9, consisting of an outer tubular cylindrical casing 17 a helical shell 18 enclosed within the casing 17 and in contact or nearly in contact therewith providing a helical assage 19 immediately within the casing 17, t rough its periphery, which, in this instance, is utilized for the refrigerant which is introduced directly thereinto from the pipe 14 by way member 21a helical ora similar corrugated passage '24, which is enclosed between the central tubular member 21 described as for. carrying the refrigerant and the helical conduit or' passage 19 on the outside, also described as: carrying the refrigerant, though itnydof these'passages may be otherwise .uti-

ize v The coil is connected at its lower end by fittings25 and .26 to be described, or in any suitable mannerto an air pipe 27, s'ee also Figure 7 ,,which as shown preferably leads alon the floor of the car distributing cooled air ,t rough a seriesof pipe connections al though it maybe located within the car in any suitable manner, this piple bein shown as perforated at 28,-though t e per orationsare not regarded as an essential feature.

The coil 15, as already described, extends upwardly about thebrine' tank 16 and terminates at the top, as best illustrated in Figure 5 in the inlet air pipe 28, whereby air is intro-1 duced either b a fan, suctioil orv pressure from any suita le source as outside the car.

. At the top the outer helicalconduit 19' conto a cross or four way fitting 31and the taining refrigerant is. connected by a fitting inner central tubular member 21 is likewise connected theretojby a fitting 32,-the return pipe 34 for the refrigerant from the cooling pipe 33 at the top 0 the car bBlHgllkGWISG connected to said cross fitting 31 by a fitting 35. The remaining connection of said cross fitting 31 is connected by a fittlng 36 to a cooling coil 37 within the brine tank 16 and surrounding the standpipe, 4 for the coolingwater which coil 16 leads the refrigerant to a return pi' e38, which is connected to the suction o the compressor. In this connection it will be understood that brine is used as designating *any nonfreezing. liquid or solution. v

As a means for supplying air, the inlet air pipe 28 to the air cooling coil'15 is connected to the ventilator 12 and provided with a blower of air pump 40, driven by a suitable electric motor, this equi ment being diagrammaticaligure 7 .The air from the ly indicated in cooling coil 16 is released from the perfprated pipe 27 along the .bottom of the bar or 1n any convenient location, perforations 28 being merely illustrative.

To provide further cooling of the atmosphere. of the car, refrigerant is, led from the 1 pipe 14 by way of a pipe 41 upwardly to the top of the car, being there introduced into any suitable cooling passage, as the outside helical passage 42 of a conduit 43, which may be constructed somewhat after the -manner of the conduit 15, the outer casing 17 being preferably omitted. This pi e has an inner conduit 44 which may be used or brine, which begins also known as'a holdover pipe in that it retains the cooling effect after the refrigerant has been released, drawn ofl or become inactive for any reason.

The refrigerant from the pipe 41 is introduced into the helical passage 42-of the combined conduit 43 in the. form of the lnvention shown at thetop center of the car, although at the center of'the car'being plugged at this point as indicated at 45. x This brine pipe is Hm this location is not essential, by way of a reducing valve 46 shown at this. point, the .re-

frigerant flows in contact with the brine for the full length of the pipe which as shown is half the carlength. The return pipe 34 of the .coil plpe 33,i's connected atthe end opposite to the point where the refrigerant-is intro-n duped from the reducing valve 46, by way of the fitting 31. In t from the overhead cooling pipe 33 is combined in the water cooling coil 37 already described.

In theform of the invention shown, par- 35 to the cross or four way fitting is fitting the refrigerant from the three passages in the air cooling coil 15 and ticularly in Figure 4, rovisiortis made for utilizing the inside 0 ,the cooler casing 2,

aside from what is occupied by the coils andthe water cooler'to holdair washing water for cleaning the airintroduced by way ofthe'coil 15. To this end the fitting 25 already referred.

to is shown in theform of a norri'et urn valve to prevent the entrance'of water into the air vided in the form of a three way valve which may be turned so as to prevent the cooled air from the coil frompassing directly to the pipe 27 and so as to dlscharge this air from the coil 15 into the wash water indicated by reference character 43. The air thus introduced into the wash water passes upwardly into the air. s ate 47 ,and hence by way of the bypass 48 bach to the pipe 27 at a point beyond the three way valve 26 whence it passes to the perforated portion of the pipe 27 shown in .Figure 7. The bypass 48 is alsoshown as provided with a three way valve 49 above the compartment 2' and an upwardly disposed open elbow 50 connected to the 'three way valve so that by turning the valve 49 the al-- bow 5'0 may be connected to the compartment end 51 of the bypass 48, whereby the elbow 50 may be utilized for introducing water into the compartment.

As will be noted in Figure 7, it is proposed to provide a construction corresponding to that shown in Figures 1 and 4 at each end of the car, the cooling pipes 33 and 27 being in two parts or separate unit's connected to the -respective cooling apparatus at the respective ends of the car so that there are two reducing valves 46 at the center and two pipes 27 and 33-extending from each end toward the center, though this arrangement is not essential to the operation'of the invention.

Figure 6 shows a water cooling compartment 55 adapted to cooperatewith a casing or pedestal 1,- as shown in Figure 1, or any suitable pedestal as that shown in Figure 2 to be later described. This com artment is connected to the condenser coll 6 by a pipe 54 and to the compressor by a return pipe 58.

This condenser pipe 54 is provided with a pressure reducing valve 56 from which the expanded refrigerant is led'directly to a water cooling coil 56 or any suitable means to bring the refrigerant" into heat exchanging relation withthe water. As shown, the coil 57 encircles the water standpipe 59, being connected at its lower end to the return pipe 58', it being understoodv that this cooler may be combined in any suitable manner, for ex-' ample, as shown in Figure 7, with any or all of the air cooling features therein disclosed.

This compartment is shown as containing a brine tank 60in which the coil 57 is immersed, the brine tank in turn surrounding a cold water tank 59. This compartment 55 is further shown as intended to be utilized as-a'n emergency ice chamber to supply the cooled drinking water in case of failure of the refrigerator system for any reason. In this form of'the. invention, instead. of the standpipe 3 being integral and continuous with the cold water tank 4, as shown in Figure 4, there is aseparatecold water tank 59 connected to the standpipe 3 by-water'connect'ion which, in the form of the invention shown, serves as leading from t the refrigerator coil 57 and immersed in the brine in the tank 60. This connection 85 as shown extends downwardly from the'standpipe 3 through the brine in the tank 60 and 1s coiled' about the tank 59, the coil also be-.'

ing immersed in the brine and extending upwardly. As shown, the up er portion of' this water coil 86 is wound a out the upper h part of the refrigerator coil 57 at 87, the arrangement being preferably of the type' shown in Figure 3. This portion of the coil 87 which is wound about the refrigerator coil as shown, is then connected at 88 to the to of the cold watertank 59. -It will be un erstood that in'the operation ofthis form of the invention, the water passing from the pipe 3- tov the tank 59 is ,cooledlmmediately, the chilled water entering the tank, b its greater specific gravity dropping immediately to the bottomIof the tank where it enters the pipe 89 leading to the cold water faucet'65. In this way, the lag incident to the production of cold water when the refrigerator system is first connected up at the time the train is started is overcome and cold water is made instantaneously available.

To overcome the'possible objection to the use of mechanical refri station in assenger cars on account of'the c ance that t e refrigerant may escape in case of accident, and have a harmful effect on thepassengers, the apparatus is shown as provided in each instance in the water cooling compartments 2 and 55, and also in the casing 1 containing the compressor and condenser .coil 6, with a fragile or frangible container62, which may contain an antidote, for the refrigerant. Where S0 is used as a refrigerant, the bottle may contain ammonia and where ammonia is used as a refrigerant the bottle may contain any suitable acid, volatile or otherwise. This contai neri is normally sealed and is. carefully desi ed of just the right resistance to shoc so that it is broken and the contents released when and normally only when the refrigerating system is punctured. In Figure 8, which Isa section on the lill ilig 88 of Figure 7-, the overhead cooling'pipes 33 are shown as supported over a trough 63 ins to catch'the condensedmoisture and prevent I dripping, and in each instance the water cool er is shown as lprovided with a water pipe 64 e standpipe4 or 59 to a spigot 65 arranged in a suitable niche 66 in the compartmentcover 67. In Figure lthere'is an aperture 68 for the introduction of used cups which pass downwardly through a'pipe 69.to a suitable receptacle not shown'and reference character 70 indicates asuitable container for new cupsF Figure"2 shows a slightly modified construction of' pedestal which is slightly-raised from the floor and the floor 9 being closed be 130 neath the pedestal, and air openin 7 2 being provided at the bottom above the oor. I This pedestal is shown as provided with air dis.-

I circu the condenser coil being regarded as ordinacharge ogenings 73 at the-top, the air being ate in any suitable manner,:the heat of rily sufiicient to maintain the circulation.

he operation of the apparatus has been the coil 37 which surrounds the cooling water container 4, within the brine tank 16, the

1 coil 37 being immersed in the brine, asha's been explained. The drinking water is cooled by the coil 37, the cold air su ply being assed through the passage 24 of the coil 15 etween the inneran'd outer streams of refrigerant. In this'way chilled water is supplied to the cold water spigot 65 and chilled" or cold air to the perforated pipe 27 in the car, the air to be thus cooled and released being propelled in any suitable manner as by means of a blower or pump drawing air from the ventilator- It will be understoed thatthe fitting 36 combines the return refri erant from the contact cooling pipe 33 an from the inside and outside passages of the coil15, the refrigerant from all three fsources being passed through the coil 37 -pipe'27 by .way of pi e 48and three way valve surrounding the "cooling'water container 4 as described: The arrangement of coils 15 and 33 is particularly advantageous in that it tends to conserve the refrigerating effect and ap ly the surplus left from cooling the air to the drinking water.

cooling. conduit 33 which is shown in the top'of .the car, the passage for refrigerant being'preferably in a helical form surrounding the central plpe 44 which in this instance is .a holdover, or brine pipe, the entire conduit 33 serving tocool the air in the car by contact.

' The manner of bypassing the cold air supply to be released within the car.by way of the-three way valve 26 through the washing water 43 and hence back to the air release 49, has been fully escribed, as-has also the manner 'of admitting water. by way of the elbow 50 through the three 'way valve492- .The manner of supplying air to the con.-

' denser coil by drawing it through the floor of the car and discharging it at the ventilator orf'bymeans of suction supplied in any suit:

I The refrigerant is also carried by the pipe 41 to the contact able manner has also been fully discussed, as has also the alternative method of draw-- in air from the floorof the. car or from anysuitable source, and permitting it to circulate around the coil and through the casing, .be-

ing released by the ventilating openings 7 3.

as shbwn'in the modified form, Figure 2.

Figure 1 illustrates a cover 67 adapted to 1 be opened and closed in order; to supply ice to be'used in case of emergency.

Figure 6 illustrates a water cooler which is like that shown in Figure 4, except that the compartment 55 .corresponding'to the compartment 2, is used for ice for cooling in an emergency instead of for air washing'water, andthis water cooler is not directly connected to the air cooling and cool air supplying elements described particularly in connection with Figures 1, 4 and 7 r I have thus described specifically and in detail a water and air coohng apparatus for railway cars and the like, the description beingzspecific and in detail in order that the manner of construct-ing, operating and using the apparatus may e fully understood.

However, the terms herein are used descrip tivelyrather than in a limiting sense, the

scope of the invention being. defined in the I claims. I

What I claim as new and desireto secure by Letters Patent is:

1. The combinationin a cooling system for railway cars and thelike of a cooling compartment,a hollowpedestal therefor containing a condenser coil for the refrigerant and a compressor, the pedestal having an opening 1 below the coil for the introduction 'of cool-' ing air and a pipe above the coil for leading air therefrom to a ventilating outlet of the car, a water cooling container enclosed in the compartment and a cooling 0011 for expanded refrig'erant in heat exchanging relation wit the water container.

2. The combination in a cooling system for railway cars and the like of a cooling compartment, a hollow pedestal therefor containing a condenser coil for the refrigerant, the pedestal having an opening below the coil for the introduction 'of cjoolingair and a pipe above. the coil-"for leading airtherefrom to a ventilating outlet 0 the car, a water cooling container enclosed in the compartment and. a cooling coil for expanded refrigerant in heat exchanging relation with the water container.

3. The combination in a water cooling systern forpassenger vehicles, a hollow upright, a condenser coil for refrigerant in the u right, a'cornpressor, a container for drin ing water, a cooling coil for expanded refrigerant in heating exchanging relation with the water container, the hollow upright serving as an air conduit and. having an opening at the bottom foradmtting air-from beneath the vehicle and a pipe leadingifrom the con- .tainer having suitable exhausting means for 'maintaining the circulation.

4. The combination in a ooolingsystem for passenger cars of a water cooling container, a compressorand a condenser for refrigerant, a cooling coil for refrigerant in heat exchanging relation to the container, an air coollng pipe for cooling the air consumedin the vehicle,a passage for the refrigerant in heatcx changing relation with'said air cooling plpe,

said passage for the refrigerant beingconnected to said cooling coil whereb the said refrigerant used in cooling the a1r is later utilized on its return to the compressor for cooling the water supply.

5. The combination in a cooling system for passenger Vehicles of a compressor and a condenser for the refrigerant a cobling coil having means for bringing the refrigerant and air in close contact throughout a substantial portion of the length of the coil, meansfor introducing air into the coil, pipes for discharging air into the car andmeans for washing the air prior to its discharge and after it'is passed through the coil.

" 6. The combination in an apparatus for cooling water for passenger vehicles, of a 'cooling compartment, an air conduit beneath the compartment passing to the floor of the vehicle, a condenser coil for refrigerant therein, the conduit having'an opening below the coil for admitting air and an opening above the coil for discharging air, a water cooling container in the compartment and a coil for expanded refrigerant connected to the condenser coil and in heat exchanging relation with the water container, the compartment being adapted to contain ice as an emergency cooler.

7. .The combination in a mechanical re.- frigerating system for-passen 'er vehicles of a motor, a compressor, a con enser coil for refrigerant and a-refrl eratingl coil a frangible container for antifote to t in close association and enclosed with part of said elements of the cooling system.

8; The'combination in a cooling system for passenger vehicles of a water coolin container,- a motor, a compressor and a con enser for refrigerant, an air cooling chamber, a cooling coil in heat exchanging relation with the water container, means forpassing the refrigerant in contact with an air cooling coil -.surrounding,the .container and means for passing air cooled by said coil through said an cooling chamber and a pipe system with means for disphargin the cold air there; through and distributing the same through the vehiclei 9. The combination in a cooling system for passenger vehicles of amotor, a compressor and a condenser for; refrigerant: with means foncoolingirthe condenser, means for cooling the air in the vehicle comprising two concentric conduits and a helicaliconduit between e refrigerant compartment also including a space said concentric conduits to form a helical passage for the refrigerant in contact with the walls of one of said conduits said conduit also includin a helical passage or air in con: tact with sai' helical passa e for refrigerant and a central passage for t e refrigerant.

. 10. The combinatlon in a water cooling sys- .tem for railway cars and the like of a cooling compartment, a hollow upright beneath the compartment containing a condenser coil for the refrigerant, a compressor, amotor, an openin at the ,base of the upright opening below t e coil for the introduction ofcooling air and means above the coil for leading theair therefrom, a water cooling container in the compartment, means connected to the condenser for bringing the refrigerant in heat exchanging relation with the water in" the container. y l

11. The combination in a water cooling system for railway cars and the likepf a cooling compartment, a hollow upright beneath the compartment containing a condenser coil for the refrigerant, .a motor, a compressor, an openin at the base of the upright, an opening be ow the coil 'for' the introduction of cooling air and means above the coil for lead- ,ing the air therefrom, a water cooling contamer in the compartment, means connected to the condenser for bringing the refrigerant in heat exchanging relation with the water in the coritainer,-sa1d means including a brine container surrounding the water container and containing said means connected to the condenser. E 4

12; The combination in a water cooling system for railway cars and the like of a cooling compartment, a hollow upright beneath the compartment containing a condenser coil for the refrigerant, a com res'sor, a motor,.an opening at the base of t e u right having opening below the coil'an compressor for the introduction of cooling air and means above the coil for leading the air therefrom, awateroooling container in the compartment, means connectedto the condenser for bringing the refrigerant in heat exchanging relation with the water in the container, the

which can be used for emergency ice.

13. The combination in a water cooling systemfor railway cars and the like of a cooling compartment, ahol low upright beneath the. compartment containing a condenser coil for i the refrigerant, a compressor, a motor, the upright having anopening below the coil near the floor for the introduction of cooling air and means above the coil for leading the air therefrom, a water cooling container in the compartment, means connectedto the con-v denser for bringing the refrigerant in heat exchanging; relation with the 'water in; they container, and a conduit for cooling the air in theca'r said conduit including a passage for refrigerant, means connecting said passage "the upright, a cooling container for expanded refrigerant inheat exchanging relation with the water container, a hold over container for said li uid container and cooling container, the hol ow upright serving as an air conduit and having an opening at the bottom below the condenser coil and compress r for admitting" air therefrom to a ventilaing outlet above the air inlet.

15. The combination in a'water cooling system, a" hollow upright, a condenser cm for refrigerant in the upright, a compressor,

'a'container for drinking water above the upright, a cooling container for expanded re-' frigerant in heat exchanging relation with heat insulating means surrounding said cool the water container, the hollow uprightserv- -ing as an air condultand having aniopen ng at the bottom below'thecondenser coil motor, and compressor for admittin air to a ventilating outlet above the air in ct.

16. The combination in a or, and a motor, in the upright a cooling com- Ipartment integral with the upright, an open- 1ng 1n said cooling compartment to be opened and closed, a hold-over container, a coolin device for receiving condensed fluid from sai condenser, and compressor, in heatexchanging relation with said hold-over container,

' 'ing compartment, hold-over and said cooling device, in the compartment, riving means for said motor, and compressor, an opening below the motor, condenser, and compressor, for

admitting air to a ventilating outlet above.

the condenser, motor and compressor. I

17. The combination in a cooling system, a

hollow upright, a condenser coil for refrigerant, a compressor, and a motor in the up-,

right, a cooling compartment integral with the upright, an opening in said cooling compartment to be opened, and closed, a cooling device for receiving condensed fluid from said condenser and compressor, in said cooling compartment, heat insulatlng means around said cooling compartment, and'said cooling.

device, driving'means for said motor, and

compressor, an opening below the motor, con

denser and compressor for admitting 'air, a ventilating out e't above the condensen, motor and compressor. I

18. The combination in a cooling system, a hollow upright, 'a motor, a compressor, and a, condenser in the upright, a cooling compartment integral-with the uprightgan opencompartment, means for'cooling the liquid e openedcomprising two spiral tubes surroundingsaid liquid reservoir and forming a passage for the refrigerant and a passage for the liq- -uidto be' cooled in heat exchanging rela-' .mitting air to a ventilating air outlet above said air inlet.

.19. The combination in a cooling system, a hollowupright, a motor, a compressor, and a condenser in the upright, a cooling compartment integral with the upright, an opening in the cooling compartment to be opened and closed, a liquid reservoir, in the cooling compartment, means for cooling the liquid comprising two s iral tubes surrounding salild ort eliquid reservoi and forming a passage refrigerant and a passage for the liquid to be cooled in heat exc anging relation with said liquid reservoir, said last named passage connecting with said liquid reservoir in said 0001- cooling system, a hollow upright, a. condenser coil, a'compressing compartment, said cooling compartment having heat insulating means, an opening at the compartment, a condenser coil, for re-' frigerant therein said conduit, passing to the floor-of the vehicle, the same having an,

opening below the coil for admitting-air and an opening above the coil for discharging it,

a water cooling container in the compartment, and Ya coil for expanded refrigerant.

surrounding the water cooling container connected to the condenser coil. 1

21. The combination in a cooling system passenger vehicle, a hollow upright enfor closing a compressor, motor,and a condenser for a refrigerant, said hollow upright having air inlet below the motor, com ,ressor, and condenser and having an air out at above the air inlet motor, compressor, and condenser means for inducing a flow of air from said inlet to said air outlet, associated with said upright achamber having an air 'nlet, and

an air outlet, enclosing a refrige nt eva o-.

rator, a conduit connected to said cham er for dischargin air within the passenger ve-. hicle,- means or inducing a flow of air through said chamber and conduit, means for cleaning said air, associated means of supplying and discharginga volatile refrig erant' from said evaporator, to said condenser, and compressor.-

22. The combination in a water cooling system, a hollow upright, a condenser coil for refrigerant in the upright, a compressor,

a motor, a container for drinking water, a

cooling container for an expanded refrigerant in heat exchanging relation with the wahaving heat insulated means to insulate them from the condenser motor, and compressor, associated means for supplying and discharging a'volatile refrigerant from said cooling container to said compressor and condenser, means for supplying and discharging liquid to said water container, a

faucet connected to said liquid container, a drain pipe attached to casing for liquidreservoir, the hollow upright serving as an air conduit and having an opening at the bottom below the condenser ,coil motor and compressor for admitting air therefrom to a ventilating outlet above 'theair inlet.

. 23. The combination in a water cooling system, a hollow upright, a condenser coil-for refrigerant in the upright, a compressor, a motor, a container for drinking water, associated with the upright, a cooling container for expanded refrigerant in heat exchanging relation and surrounding said water container, the cooling compartment being adapted to receive ice or other refrigerant, said cooling compartment, liquid container and cooling container for expanded refrigerant having heat insulating means insulating them from said motor, compressor, and condenser, means forsupplying and discharging liquid from said liquid container, the hollow u 4 right serving as an air conduit, and haviiig an opening below the condenser, motor, and compressor, for admitting air to a ventilating outlet above the air inlet, said cooling compartment having an opening to be opened and closed.

24. a The combination in a water cooling system, a hollow upright, a condenser, a compressor, and a motor in the upright, a liquid. container, ,associated within'the upright, an.

. evaporatorfor expanded refrigerant in heat exchanging relation with said liquid container, a spiral conduit in contact therewith for the li aid to be cooled, a spiral passage for the re rigerant in contact with the s iral passage for theliquid to be cooled, heat insulating material'surrounding said cooling means and liquid container within said 'hollow upright, means for passing. a cooling fluid inthermal contact with said container,

said condenserv coil receiving compressed fluid from said compressor,'means for driving said motor and compressor, an opening denser," motor,. ('1; compressor, for admitair to a ventllating outlet'abo've the air inlet. 1 25. The combination in a water cooling system, a hollow'upright, a condenser coil in v '65 the uprlgh iiipresso mot r, a eSer-- v 29. The combination in'anapparatus for 130 motor drivingb 'voir for drinking waterinte al with the upright, a cooling container or expanding refrigerant in heat exchanging relation with said reservoir and a spiral conduit in contact therewith for the liquid to be cooled, means for passing and withdrawing liquid through said spiral conduit, said cooling ,contamer and said spiral conduit surrounding said liquidreservoir, heat insulating material surrounding said cooliifg container, spiral passage, and liquid reservoir, communicating means between said compressor,

evaporator and cooling container, means for supplying and withdrawin liquid to said liquid reservoir, an openin elow the motor,. condenser. and compressor or admitting cooling air, to a ventilating outlet above'said'air in et. i ,1.

26. The combination in a water cooling system, a hollow upright, a compressor, a motor and condenser, in the upright, a water cooling container in the upright having a spiral'coil in heat exchan ing relation for expanded; refrigerant wit' the cooling-container, means for withdrawing and supplying liquid through'said spiral coil, means for supplying liquid and withdrawing liquid from said liquid reservoir, a compressor, a said compressor, means for forming a su stantially fluid tight casing having included therein a motor and compresser, means for passing a cooling fluid in thermal contact with sa1d condenser, sa1d condenser receiving compressed fluid from said compressor, means for driving said mo'-' condensed fluid from said condenserand compressor, heat insulating means. within the upright surrounding said coolingdevice, an opening at the base of the upright below the condenser, motor, and compressor for admitting air to a ventilating outlet above the air inlet.

27 The combination in a. water cooling system comprising. a motor, condenser, a compressor within a hollow'upright, an evaptor and.compressor,'sa1d spiral coil receiv ng I orator, a liquid container, heat insulating material above said hollow upright'surrounding said evaporator and "liquid container, said hollow upright having an opening'at' the bottom below the condenser coil, motor, and compres'sor for admitting air thereto to a ventilating', outlet above the air inlet.

28. The combination in an apparatus for cooling airand water for passenger vehicles, comprising an air cooling compartment, an evaporator, a liquid container, a brinecon tainer, means for compressing a refrigerant, cooling the refrigerant, and forming aclosed circuit for the refrigerant and for returning the refrigerant to be recompressed, and means for bringing the refri erant, air, liquid and brine in heat exchangmg'relation with the evaporator.

cooling air and water for passenger vehicles, comprising an air-coolmg compartment, an evaporator, a 11 u1d container, meang for compressinga re rifierant, expanding the. refrigerant, cooling t closed circuit for the refrigerant and for returning the refri erant to be recompressed, having means. for ringing the refrigerant, air,,and liqni d in heat exchanging relation with the evaporator, means for'washing the air prior to its discharge into the car.

Signed b me at Baltimore, 27th day 0 May, 1929.

e refrigerant, to form a Maryland, thie CARTER IF. HALL. 1

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