CA2516148A1 - Method and apparatus for chilling beverages with phase change materials - Google Patents
Method and apparatus for chilling beverages with phase change materials Download PDFInfo
- Publication number
- CA2516148A1 CA2516148A1 CA 2516148 CA2516148A CA2516148A1 CA 2516148 A1 CA2516148 A1 CA 2516148A1 CA 2516148 CA2516148 CA 2516148 CA 2516148 A CA2516148 A CA 2516148A CA 2516148 A1 CA2516148 A1 CA 2516148A1
- Authority
- CA
- Canada
- Prior art keywords
- refrigerant
- beverage
- volume
- desired temperature
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0857—Cooling arrangements
- B67D1/0858—Cooling arrangements using compression systems
- B67D1/0861—Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means
- B67D1/0865—Cooling arrangements using compression systems the evaporator acting through an intermediate heat transfer means by circulating a cooling fluid along beverage supply lines, e.g. pythons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
- F25D31/002—Liquid coolers, e.g. beverage cooler
Abstract
The invention provides for a means to improve chilling capacities of draught beer dispense systems. The invention is comprised of a container of eutectic material that is designed to solidify at a temperature that is close to the desired serving temperature of the beverage that is being chilled. Generally beverages are stored in containers that are kept in remote walk-in refrigerators. Drinks may be dispensed at a location several hundred feet away from the storage container. The beverage trunk line used to transport the beverage to the dispensing tap is generally made up of a multi-line insulated construction that contains two central cooling liquid lines that will bring a cold glycol/water mixture, refrigerant or ice water to the tap and back in a closed loop to maintain the beverage's temperature. A eutectic material designed to freeze at a temperature close to the desired temperature of the cooling liquid is placed in the closed loop to as a reserve source of cooling capacity.
Eutectic material is set in a tank of coolant and allowed to freeze. The container is made of a configuration and material that enhances heat transfer between the eutectic material and system coolant. The tank plasced in contact with the coolant in it's delivery and return loop. The tank of eutectic material may also be incorporated in a heat exchanger designed to give a final cooling boost to the beverage in close proximity to the dispensing tap. The volume of eutectic material may also be located in the volume of coolant that is part of the refrigerating device that forms the original source of the coolant.
Eutectic material is set in a tank of coolant and allowed to freeze. The container is made of a configuration and material that enhances heat transfer between the eutectic material and system coolant. The tank plasced in contact with the coolant in it's delivery and return loop. The tank of eutectic material may also be incorporated in a heat exchanger designed to give a final cooling boost to the beverage in close proximity to the dispensing tap. The volume of eutectic material may also be located in the volume of coolant that is part of the refrigerating device that forms the original source of the coolant.
Description
METHOD AND APPARATUS FOR CHILLING BEVERAGES WITH PHASE
CHANGE MATERIALS
Field of the Invention This invention relates in general to dispensing cold beverages from a tap, and in particular to a device that enhances the cooling capacity of establishment wide beer dispensing systems such as typically found in bars and the like.
Description of Prior Art Draught beverages in restaurants, bars, stadiums and other facilities are dispensed using systems that consist of a storage container that is kept cool in a remote 1o refrigerator, a supply line that takes the beverage to the dispensing faucet and a dispensing faucet. Generally the beverages are stored in containers that are kept in remote walk-in refrigerators. Drinks may be dispensed at a location several hundred feet away from the storage container. The beverage trunk line used to transport the beverage to the dispensing tap is generally made up of a mufti-line insulated 15 construction that contains two central cooling liquid lines that will bring a cold glycol/water mixture, refrigerant or ice water to the tap and back to maintain the beverage's temperature.
While this system is generally successful, it is inconsistent. The temperatures inside walk-in coolers fluctuate widely or are not regulated to the ideal serving temperature.
2o The beverage trunk line will travel through areas of varying ambient temperatures and will often expose the beverage to hot spots that will raise the beverage temperature.
To solve this problem heat exchangers have been added to the trunk line or at the tap to give the beer a final chill. The final chilling of the beer with these heat exchangers and the existence of hot spots warms the glycol, refrigerant or cold water and 25 overburdens the refrigerating device that is used to chill the glycol, refrigerant or cold water and the coolant becomes warm. Liquid coolants have a low specific heat in the range of 1 btu/ degF/lb and will warm rapidly during pour times. Once the coolant is warm it takes time for it to cool down to the desired temperature. Beer poured during this time becomes too warm to be served. Coolant sources operate 24 hours a day while beverage is usually served 16 hours per day. Further , beverages are ususlally poured intermittently, which allows for some recovery time. However, due to the low specific heat of the coolants in use, a low amount of cooling capacity is stored.
Summary of the Invention According to one aspect of the invention a beverage distribution system is provided.
The system includes a beverage source; at least one beverage dispensing unit;
a supply of coolant, at least one distribution line for delivering beverage and coolant from the beverage source to the dispensing unit; and a heat transfer unit located distally from the beverage source for transferring heat from the beer to the coolant.
1o The coolant returns back to the coolant supply through the distribution line. The heat transfer unit counteracts the warming of the beverage, such as beer, that arises as a result of routing the beverage distribution lines over long distances or through warm environments. A container filled with eutectic or phase change material is submerged in a tank which is located in the distribution line. Coolant is routed from the coolant return line inside the distribution line and into the tank where it freezes the eutectic material during times when beverage is not being poured. The eutectic material is designed to freeze at a point equal to or slightly above the desired temperature of the coolant. During times when the beverage is being poured, the return coolant will be warmed. The energy absorbed by the eutectic material during the freezing process is now available to the coolant and the warmed coolant is cooled without overburdening the refrigeration system.
In a second aspect of the invention, a container filled with eutectic material is submerged inside the glycol deck tank along with the refrigeration evaporation coil.
The eutectic material will freeze during the nighttime and other non-pouring times.
The energy required to solidify the eutectic material (heat of fusion) will be stored and be available to cool the coolant during busy pouring times.
In a third aspect of the invention, a reservoir of eutectic material may be incorporated with a heat exchange device heat transfer unit located distally from the beverage source for transferring heat from the beer to the coolant. The eutectic material inside the reservoir will freeze during nonpouring times and be available to chill the coolant during periods of heavy use.
Brief Description of the Drawings In drawings which illustrate by way of example only a preferred embodiment of the invention, Fig 1 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with this invention Fig 2 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with a second aspect of this invention 1o Fig. 3 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with a third aspect of this invention Fig 4 is a cross-sectional view of the preferred embodiment of the invention Fig. 5 is a cross-sectional view of a second aspect of this invention Fig 6 is a cross sectional view of a third aspect of this invention Detailed Description of the Invention Fig 1 shows a beverage dispenser cooling system particularly for use in dispensing beer on tap. The system includes a storage container such as a beer keg 31 containing beer. The keg 31 will typically be located within a refrigerated unit 33 such as a large walk-in refrigerator. A pressurized tank, usually containing carbon dioxide, beer gas or compressed air 39 is connected by line 35 to the interior of keg 31 for applying pressure to the beer therein. The contents of the beer keg 31 are cormected to the dispensing tap 36 by line 11 that travels through an insulated trunk line 34.
The distance between the beer keg 31 and the dispensing tap 36 can be quite far, with the trunk line extending up to five hundred feet. To prevent the beer in the trunk line from warming excessively, a glycol unit 32 is used. Glycol unit 32 is a conventional assembly, which chills glycol and pumps it through the trunk line 34 to the dispensing tower 37 and back. The glycol travels in parallel with the beer keeping it cool. The glycol will increase in temperature as it travels to the tower 37 and back.
The temperature will rise higher if a booster is placed in-line with the trunk line. Figure 2 shows a cooling booster 60 that is placed in the trunk line 34 between the glycol deck 32 and the dispensing tap 36 to extend the cooling capacity of the glycol deck 32.
The coolant booster 60 has a coolant inlet 57, which allows the coolant to flow through the void 42 and exit through passageway 50. The coolant flows over a submerged tank 46, which is filled with a eutectic or phase change material that is designed to freeze at a temperature just above the preferred coolant temperature. A
1o passageway 47 allows for eutectic material to be poured into the tank 46.
The passageway 47 is capped by cap 61.
In a second aspect of the invention, the beverage booster is integrated with the coolant booster into a combined booster 79 as shown in Figure 5. The combined booster is comprised of an outer shell 76 covered in an insulating material 77 and an outer shell 75 with end caps 73 and 91. Glycol will enter through port 94 and exit through port 72. Beer will enter through port 95 and exit through port 70. The beer will flow through a coil heat exchanger that is spaced radially from the eutectic material tank 74. Eutectic material enters through port 71 and is capped by cap 96.
Eutectic material may also be placed in the glycol deck tank 87 as shown in figure 6.
2o Glycol from tank is extracted through port 84 into pump 85 and sent through portal 86 to the trunk Bone 34. Glycol returns from the trunk line 34 and re-enters the glycol tank 87 through port 14. a single or multiple number of containers 88 filled with eutectic material is or are placed in the glycol tank 87 so as to impart stored cold to the glycol in the tank 87.
CHANGE MATERIALS
Field of the Invention This invention relates in general to dispensing cold beverages from a tap, and in particular to a device that enhances the cooling capacity of establishment wide beer dispensing systems such as typically found in bars and the like.
Description of Prior Art Draught beverages in restaurants, bars, stadiums and other facilities are dispensed using systems that consist of a storage container that is kept cool in a remote 1o refrigerator, a supply line that takes the beverage to the dispensing faucet and a dispensing faucet. Generally the beverages are stored in containers that are kept in remote walk-in refrigerators. Drinks may be dispensed at a location several hundred feet away from the storage container. The beverage trunk line used to transport the beverage to the dispensing tap is generally made up of a mufti-line insulated 15 construction that contains two central cooling liquid lines that will bring a cold glycol/water mixture, refrigerant or ice water to the tap and back to maintain the beverage's temperature.
While this system is generally successful, it is inconsistent. The temperatures inside walk-in coolers fluctuate widely or are not regulated to the ideal serving temperature.
2o The beverage trunk line will travel through areas of varying ambient temperatures and will often expose the beverage to hot spots that will raise the beverage temperature.
To solve this problem heat exchangers have been added to the trunk line or at the tap to give the beer a final chill. The final chilling of the beer with these heat exchangers and the existence of hot spots warms the glycol, refrigerant or cold water and 25 overburdens the refrigerating device that is used to chill the glycol, refrigerant or cold water and the coolant becomes warm. Liquid coolants have a low specific heat in the range of 1 btu/ degF/lb and will warm rapidly during pour times. Once the coolant is warm it takes time for it to cool down to the desired temperature. Beer poured during this time becomes too warm to be served. Coolant sources operate 24 hours a day while beverage is usually served 16 hours per day. Further , beverages are ususlally poured intermittently, which allows for some recovery time. However, due to the low specific heat of the coolants in use, a low amount of cooling capacity is stored.
Summary of the Invention According to one aspect of the invention a beverage distribution system is provided.
The system includes a beverage source; at least one beverage dispensing unit;
a supply of coolant, at least one distribution line for delivering beverage and coolant from the beverage source to the dispensing unit; and a heat transfer unit located distally from the beverage source for transferring heat from the beer to the coolant.
1o The coolant returns back to the coolant supply through the distribution line. The heat transfer unit counteracts the warming of the beverage, such as beer, that arises as a result of routing the beverage distribution lines over long distances or through warm environments. A container filled with eutectic or phase change material is submerged in a tank which is located in the distribution line. Coolant is routed from the coolant return line inside the distribution line and into the tank where it freezes the eutectic material during times when beverage is not being poured. The eutectic material is designed to freeze at a point equal to or slightly above the desired temperature of the coolant. During times when the beverage is being poured, the return coolant will be warmed. The energy absorbed by the eutectic material during the freezing process is now available to the coolant and the warmed coolant is cooled without overburdening the refrigeration system.
In a second aspect of the invention, a container filled with eutectic material is submerged inside the glycol deck tank along with the refrigeration evaporation coil.
The eutectic material will freeze during the nighttime and other non-pouring times.
The energy required to solidify the eutectic material (heat of fusion) will be stored and be available to cool the coolant during busy pouring times.
In a third aspect of the invention, a reservoir of eutectic material may be incorporated with a heat exchange device heat transfer unit located distally from the beverage source for transferring heat from the beer to the coolant. The eutectic material inside the reservoir will freeze during nonpouring times and be available to chill the coolant during periods of heavy use.
Brief Description of the Drawings In drawings which illustrate by way of example only a preferred embodiment of the invention, Fig 1 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with this invention Fig 2 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with a second aspect of this invention 1o Fig. 3 is a schematic illustrating a beverage dispensing cooling system constructed in accordance with a third aspect of this invention Fig 4 is a cross-sectional view of the preferred embodiment of the invention Fig. 5 is a cross-sectional view of a second aspect of this invention Fig 6 is a cross sectional view of a third aspect of this invention Detailed Description of the Invention Fig 1 shows a beverage dispenser cooling system particularly for use in dispensing beer on tap. The system includes a storage container such as a beer keg 31 containing beer. The keg 31 will typically be located within a refrigerated unit 33 such as a large walk-in refrigerator. A pressurized tank, usually containing carbon dioxide, beer gas or compressed air 39 is connected by line 35 to the interior of keg 31 for applying pressure to the beer therein. The contents of the beer keg 31 are cormected to the dispensing tap 36 by line 11 that travels through an insulated trunk line 34.
The distance between the beer keg 31 and the dispensing tap 36 can be quite far, with the trunk line extending up to five hundred feet. To prevent the beer in the trunk line from warming excessively, a glycol unit 32 is used. Glycol unit 32 is a conventional assembly, which chills glycol and pumps it through the trunk line 34 to the dispensing tower 37 and back. The glycol travels in parallel with the beer keeping it cool. The glycol will increase in temperature as it travels to the tower 37 and back.
The temperature will rise higher if a booster is placed in-line with the trunk line. Figure 2 shows a cooling booster 60 that is placed in the trunk line 34 between the glycol deck 32 and the dispensing tap 36 to extend the cooling capacity of the glycol deck 32.
The coolant booster 60 has a coolant inlet 57, which allows the coolant to flow through the void 42 and exit through passageway 50. The coolant flows over a submerged tank 46, which is filled with a eutectic or phase change material that is designed to freeze at a temperature just above the preferred coolant temperature. A
1o passageway 47 allows for eutectic material to be poured into the tank 46.
The passageway 47 is capped by cap 61.
In a second aspect of the invention, the beverage booster is integrated with the coolant booster into a combined booster 79 as shown in Figure 5. The combined booster is comprised of an outer shell 76 covered in an insulating material 77 and an outer shell 75 with end caps 73 and 91. Glycol will enter through port 94 and exit through port 72. Beer will enter through port 95 and exit through port 70. The beer will flow through a coil heat exchanger that is spaced radially from the eutectic material tank 74. Eutectic material enters through port 71 and is capped by cap 96.
Eutectic material may also be placed in the glycol deck tank 87 as shown in figure 6.
2o Glycol from tank is extracted through port 84 into pump 85 and sent through portal 86 to the trunk Bone 34. Glycol returns from the trunk line 34 and re-enters the glycol tank 87 through port 14. a single or multiple number of containers 88 filled with eutectic material is or are placed in the glycol tank 87 so as to impart stored cold to the glycol in the tank 87.
Claims (21)
1. A beverage distribution system, comprising:
a) a container for storing a beverage;
b) at least one beverage dispensing unit;
c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
d) a trunk line extending substantially from or near the beverage container to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
e) a heat transfer unit located distally from the cooler and connected to the refrigerant line to allow the entrance of refrigerant, the heat transfer unit defining a volume which is filled by refrigerant accumulating from the refrigerant line, the heat transfer unit also containing a submerged volume of material that freezes near the desired temperature of the refrigerant; and a connection which allows the return of refrigerant to the refrigerant line.
a) a container for storing a beverage;
b) at least one beverage dispensing unit;
c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
d) a trunk line extending substantially from or near the beverage container to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
e) a heat transfer unit located distally from the cooler and connected to the refrigerant line to allow the entrance of refrigerant, the heat transfer unit defining a volume which is filled by refrigerant accumulating from the refrigerant line, the heat transfer unit also containing a submerged volume of material that freezes near the desired temperature of the refrigerant; and a connection which allows the return of refrigerant to the refrigerant line.
2. The method of claim 1 wherein the volume of material that freezes near the desired temperature of the refrigerant is not submerged in refrigerant but is in partial contact with the refrigerant so as to allow heat transfer to and from the refrigerant.
3. The method of claim 1 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with fins on both or either sides of the contacting surfaces.
4. The method of claim 1 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with pins on both or either sides of the contacting surfaces.
5. The method of claim 1 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced by optimizing the surface area contact between the refrigerant and frozen material.
6. The method of claim 1 wherein the material designed to freeze at a temperature close to the desired temperature of refrigerant is replaced with a gel.
7. A beverage distribution system, comprising:
a) a container for storing a beverage;
b) at least one beverage dispensing unit;
c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
d) a trunk line extending substantially from or near the beverage container to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
e) a heat transfer unit located distally from the cooler and connected to the trunk line, the heat transfer unit defining a volume which is filled by refrigerant accumulating from the refrigerant line, the heat transfer unit also containing a submerged volume of material that freezes near the desired temperature of the refrigerant; and a connection to return the refrigerant back to the trunk line; The heat exchange unit also including a heat exchanger to transfer heat from the beer to the refrigerant.
a) a container for storing a beverage;
b) at least one beverage dispensing unit;
c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
d) a trunk line extending substantially from or near the beverage container to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
e) a heat transfer unit located distally from the cooler and connected to the trunk line, the heat transfer unit defining a volume which is filled by refrigerant accumulating from the refrigerant line, the heat transfer unit also containing a submerged volume of material that freezes near the desired temperature of the refrigerant; and a connection to return the refrigerant back to the trunk line; The heat exchange unit also including a heat exchanger to transfer heat from the beer to the refrigerant.
8. Claim 7 wherein the heat exchanger for transferring heat from the beer to the refrigerant is a coil of tubing.
9. Claim 7 wherein the heat exchanger for transferring heat from the beer to the refrigerant is a tube in shell heat exchanger.
10. Claim 7 wherein the heat exchanger is a flat plate heat exchanger.
11. Claim 7, 8 and 9 wherein the tank containing the frozen material is not submerged in the refrigerant but still in contact for heat transfer purposes.
12. The method of claim 7 to 11 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with fins on both or either sides of the contacting surfaces.
13. The method of claim 1 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with pins on both or either sides of the contacting.
14. The method of claim 7 to 11 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced by optimizing the surface area contact between the refrigerant and frozen material.
15. The method of claim 7 to 11 wherein the material designed to freeze at a temperature close to the desired temperature of refrigerant is replaced with a gel.
16. A beverage distribution system, comprising:
(a) a container for storing a beverage;
(b) at least one beverage dispensing unit;
(c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
(d) a trunk line extending substantially from or near the beverage conatainer to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
(e) a volume of material designed to freeze at a temperature near the desired temperature of the refrigerant is submerged in the coolant bath of the device that that originally cools the refrigerant.
(a) a container for storing a beverage;
(b) at least one beverage dispensing unit;
(c) at least one distribution line for delivering the beverage from the container to the dispensing unit;
(d) a trunk line extending substantially from or near the beverage conatainer to or near the dispensing tower, the trunk line including the distribution line and at least one refrigerant line in an abutting relationship;
(e) a volume of material designed to freeze at a temperature near the desired temperature of the refrigerant is submerged in the coolant bath of the device that that originally cools the refrigerant.
17. Claim 16 where the volume of material designed to freeze at a temperature close to the desired temperature of is not wholly submerged in the refrigerant bath but in partial contact with the refrigerant.
18. The method of claim 16 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with fins on both or either sides of the contacting surfaces.
19. The method of claim 16 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced with pins on both or either sides of the contacting surfaces.
20. The method of claim 16 wherein the heat exchange between the volume of material that freezes near the desired temperature of the refrigerant and refrigerant is enhanced by optimizing the surface area contact between the refrigerant and frozen material.
21. The method of claim 16 wherein the material designed to freeze at a temperature close to the desired temperature of refrigerant is replaced with a gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2516148 CA2516148A1 (en) | 2005-08-17 | 2005-08-17 | Method and apparatus for chilling beverages with phase change materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2516148 CA2516148A1 (en) | 2005-08-17 | 2005-08-17 | Method and apparatus for chilling beverages with phase change materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2516148A1 true CA2516148A1 (en) | 2007-02-17 |
Family
ID=37744696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2516148 Abandoned CA2516148A1 (en) | 2005-08-17 | 2005-08-17 | Method and apparatus for chilling beverages with phase change materials |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2516148A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2474741A (en) * | 2009-08-21 | 2011-04-27 | Schroeder Ind Inc | Beverage dispensing apparatus |
| WO2020191221A1 (en) * | 2019-03-21 | 2020-09-24 | Taylor Commercial Foodservice, Llc | Frozen beverage machine |
-
2005
- 2005-08-17 CA CA 2516148 patent/CA2516148A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2474741A (en) * | 2009-08-21 | 2011-04-27 | Schroeder Ind Inc | Beverage dispensing apparatus |
| GB2474741B (en) * | 2009-08-21 | 2012-03-07 | Schroeder Ind Inc | Beverage dispensing apparatus |
| WO2020191221A1 (en) * | 2019-03-21 | 2020-09-24 | Taylor Commercial Foodservice, Llc | Frozen beverage machine |
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