WO2016062442A1 - A rapid cooling device suitable to be used in a refrigerator - Google Patents

A rapid cooling device suitable to be used in a refrigerator Download PDF

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Publication number
WO2016062442A1
WO2016062442A1 PCT/EP2015/070010 EP2015070010W WO2016062442A1 WO 2016062442 A1 WO2016062442 A1 WO 2016062442A1 EP 2015070010 W EP2015070010 W EP 2015070010W WO 2016062442 A1 WO2016062442 A1 WO 2016062442A1
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WO
WIPO (PCT)
Prior art keywords
retainer
rapid cooling
cooling mechanism
rotated
rpm
Prior art date
Application number
PCT/EP2015/070010
Other languages
French (fr)
Inventor
Tolga APAYDIN
Sabahattin Hocaoglu
Ercan KURTULDU
Yunus MURAT
Erkan KARAKAYA
Mert Can TASKIN
Original Assignee
Arcelik Anonim Sirketi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2016062442A1 publication Critical patent/WO2016062442A1/en

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Classifications

    • 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
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/805—Cans
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling

Definitions

  • the present invention relates to a rapid cooling mechanism suitable to be used in a refrigerator.
  • fresh food compartments are preferred in order to cool the beverages.
  • the freezer compartment is used when beverages are desired to be cooled rapidly since the cooling process in the fresh food compartment takes time. In the case the cooled container is forgotten in the freezer compartment, the beverage and even the container containing the beverage is damaged. Furthermore, in beverages desired to be cooled instantaneously, the duration of the cooling process in the freezer compartment is required to be decreased further.
  • a refrigerator that comprises a rapid chilling device disposed inside the cooling compartment, rotatable around its axis and furthermore whereon cold air is blown by the fan and wherein the bottle to be cooled is placed.
  • the aim of the present invention is the realization of a refrigerator comprising a rapid cooling mechanism which provides rapid cooling of the beverage in the beverage containers such as tin cans or bottles by rotating them.
  • the rapid cooling mechanism suitable to be used in refrigerators comprises a retainer that enables the beverage to be cooled and placed therein to exchange heat with the cooling fluid which is insulated from the outer environment, by rotating around itself and a motor whereto the retainer is connected.
  • the rapid cooling mechanism comprises a receptacle whereon the motor is disposed, the receptacle being insulated from outside, filled with fluid inside, enabling the cooling fluid to be conditioned by a cooling source within a temperature range predetermined by the producer and whereto any fluid is not supplied.
  • the retainer of the present invention is rotated at least once in two directions opposite to one another during the cooling process.
  • the direction of rotation is changed so that the speed of the beverage to be cooled is kept with respect to the container and to create momentary turbulent flow.
  • the heat transfer between the beverage to be cooled and the cooling fluid inside the receptacle is improved.
  • the retainer is successively rotated clockwise and counterclockwise continuously or discontinuously in the receptacle for a time period predetermined by the producer.
  • the clockwise or counterclockwise successive rotational movement enables the beverage to be cooled more rapidly with respect to the continuous or discontinuous rotational movement in the same direction.
  • the fluid inside the beverage container and the cooling fluid outside the beverage container change to turbulent flow type and the heat transfer between the cooling fluid inside the receptacle and the fluid inside the beverage container increases.
  • the rotational axis of the retainer can be in vertical, horizontal or oblique directions.
  • the rotation duration of the retainer in the clockwise direction (d cw ) is different from the rotation duration in the counterclockwise direction (d ccw ).
  • the retainer waits for a waiting time period predetermined by the producer between at least two successive rotations and is rotated discontinuously.
  • a waiting time period predetermined by the producer between at least two successive rotations and is rotated discontinuously.
  • the rapid cooling mechanism is automatically controlled according to the data received from the temperature and/or presence sensor.
  • the beverages to be cooled are enabled to be cooled homogenously and rapidly so as to satisfy the instantaneous usage demand of the user.
  • Figure 1 – is the perspective view of a refrigerator.
  • Figure 2 – is the schematic view of a rapid cooling mechanism.
  • the rapid cooling mechanism (1) suitable to be placed inside a refrigerator (2) comprises a receptacle (3) wherein cooling fluid is filled, a motor (4) and a retainer (5) that is disposed inside the receptacle (3), that is connected to the motor (4), that is rotated by means of the motor (4) and whereon the beverage to be cooled is enabled to be placed.
  • the beverages are enabled to be cooled homogenously and more rapidly so as to satisfy the instantaneous usage demand of the user.
  • the retainer (5) of the present invention is rotated at least once in a direction opposite to the previous rotation direction during the cooling process.
  • the container holding the beverage to be cooled rotates and causes the beverage to also rotate with the effect of the friction of the surface contacting the beverage. From the moment the rotational movement starts, the difference between the peripheral speed of the container and the peripheral speed of the beverage to be cooled decreases.
  • the direction of rotation is changed so that the speed of the beverage to be cooled is kept with respect to the container and to create momentary turbulent flow.
  • the heat transfer between the beverage to be cooled and the cooling fluid inside the receptacle (3) is improved.
  • the retainer (5) is rotated successively in a direction opposite to the previous rotational direction.
  • the turbulent flow is repeated and cooling effectiveness is increased.
  • the retainer (5) is rotated clockwise for three seconds and rotated counterclockwise for three seconds at a constant rotational speed of 152 rpm.
  • 152 rpm the specified rotational speed and duration
  • the rotation duration of the retainer (5) in the clockwise direction (d cw ) is different from the rotation duration in the counterclockwise direction (d ccw ).
  • the retainer (5) waits for a waiting time duration predetermined by the producer between at least two successive rotations and is rotated discontinuously.
  • a waiting time duration predetermined by the producer between at least two successive rotations and is rotated discontinuously.
  • the successive rotation durations of the retainer (5) and the waiting times between successive rotations vary.
  • the retainer (5) is rotated continuously.
  • the rotational speed of the retainer (5) in the clockwise direction (rpm cw ), is different from the rotational speed in the counterclockwise direction (rpm ccw )
  • the number of revolutions/rotational speed of the retainer (5) per minute is between 0 rpm and 750 rpm.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a rapid cooling mechanism (1) suitable to be used inside the refrigerator (2), comprising a receptacle (3) wherein cooling fluid is filled, a motor (4) and a retainer (5) that is disposed inside the receptacle (3), that is connected to the motor (4), that is rotated by means of the motor (4) and that enables the beverage to be cooled to be placed thereon.

Description

[Title established by the ISA under Rule 37.2] A RAPID COOLING DEVICE SUITABLE TO BE USED IN A REFRIGERATOR
The present invention relates to a rapid cooling mechanism suitable to be used in a refrigerator.
Generally, fresh food compartments are preferred in order to cool the beverages. The freezer compartment is used when beverages are desired to be cooled rapidly since the cooling process in the fresh food compartment takes time. In the case the cooled container is forgotten in the freezer compartment, the beverage and even the container containing the beverage is damaged. Furthermore, in beverages desired to be cooled instantaneously, the duration of the cooling process in the freezer compartment is required to be decreased further.
In the state of the art United States Patent No. US7343748, a refrigerator is disclosed, that comprises a rapid chilling device disposed inside the cooling compartment, rotatable around its axis and furthermore whereon cold air is blown by the fan and wherein the bottle to be cooled is placed.
In the state of the art Korean Patent Application No. KR20030088170, an instantaneous rotary cooler is explained wherein the bottle to be cooled is placed.
The aim of the present invention is the realization of a refrigerator comprising a rapid cooling mechanism which provides rapid cooling of the beverage in the beverage containers such as tin cans or bottles by rotating them.
The rapid cooling mechanism suitable to be used in refrigerators, realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a retainer that enables the beverage to be cooled and placed therein to exchange heat with the cooling fluid which is insulated from the outer environment, by rotating around itself and a motor whereto the retainer is connected. The rapid cooling mechanism comprises a receptacle whereon the motor is disposed, the receptacle being insulated from outside, filled with fluid inside, enabling the cooling fluid to be conditioned by a cooling source within a temperature range predetermined by the producer and whereto any fluid is not supplied.
The retainer of the present invention is rotated at least once in two directions opposite to one another during the cooling process. The direction of rotation is changed so that the speed of the beverage to be cooled is kept with respect to the container and to create momentary turbulent flow. Thus, the heat transfer between the beverage to be cooled and the cooling fluid inside the receptacle is improved.
In an embodiment of the present invention, the retainer is successively rotated clockwise and counterclockwise continuously or discontinuously in the receptacle for a time period predetermined by the producer. The clockwise or counterclockwise successive rotational movement enables the beverage to be cooled more rapidly with respect to the continuous or discontinuous rotational movement in the same direction. By means of the successive movement, the fluid inside the beverage container and the cooling fluid outside the beverage container change to turbulent flow type and the heat transfer between the cooling fluid inside the receptacle and the fluid inside the beverage container increases. In this embodiment, the rotational axis of the retainer can be in vertical, horizontal or oblique directions.
In an embodiment of the present invention, the rotation duration of the retainer in the clockwise direction (dcw) is different from the rotation duration in the counterclockwise direction (dccw).
In an embodiment of the present invention, the retainer waits for a waiting time period predetermined by the producer between at least two successive rotations and is rotated discontinuously. By means of the beverage retainer being rotated discontinuously, the vortex formed in the beverage to be cooled as a result of the rotation process is dampened during the waiting duration and a more homogeneous heat distribution in the beverage is provided.
In another embodiment of the present invention, the rapid cooling mechanism is automatically controlled according to the data received from the temperature and/or presence sensor.
By means of the present invention, the beverages to be cooled are enabled to be cooled homogenously and rapidly so as to satisfy the instantaneous usage demand of the user.
The rapid cooling mechanism realized in order to attain the aim of the present invention and the refrigerator wherein the same is used are illustrated in the attached figures, where:
Figure 1 – is the perspective view of a refrigerator.
Figure 2 – is the schematic view of a rapid cooling mechanism.
The elements illustrated in the figures are numbered as follows:
  1. Rapid cooling mechanism
  2. Refrigerator
  3. Receptacle
  4. Motor
  5. Retainer
The rapid cooling mechanism (1) suitable to be placed inside a refrigerator (2) comprises a receptacle (3) wherein cooling fluid is filled, a motor (4) and a retainer (5) that is disposed inside the receptacle (3), that is connected to the motor (4), that is rotated by means of the motor (4) and whereon the beverage to be cooled is enabled to be placed. By means of the rapid cooling mechanism (1), the beverages are enabled to be cooled homogenously and more rapidly so as to satisfy the instantaneous usage demand of the user.
The retainer (5) of the present invention is rotated at least once in a direction opposite to the previous rotation direction during the cooling process. As the retainer (5) is rotated, the container holding the beverage to be cooled rotates and causes the beverage to also rotate with the effect of the friction of the surface contacting the beverage. From the moment the rotational movement starts, the difference between the peripheral speed of the container and the peripheral speed of the beverage to be cooled decreases. The direction of rotation is changed so that the speed of the beverage to be cooled is kept with respect to the container and to create momentary turbulent flow. Thus, the heat transfer between the beverage to be cooled and the cooling fluid inside the receptacle (3) is improved.
In an embodiment of the present invention, the retainer (5) is rotated successively in a direction opposite to the previous rotational direction. Thus, the turbulent flow is repeated and cooling effectiveness is increased.
In an embodiment of the present invention, the retainer (5) is rotated clockwise for three seconds and rotated counterclockwise for three seconds at a constant rotational speed of 152 rpm. As a result of the tests performed, in the specified rotational speed and duration (152 rpm, 3 seconds), increase in the cooling effectiveness is observed.
In an embodiment of the present invention, the rotation duration of the retainer (5) in the clockwise direction (dcw) is different from the rotation duration in the counterclockwise direction (dccw).
In an embodiment of the present invention, the retainer (5) waits for a waiting time duration predetermined by the producer between at least two successive rotations and is rotated discontinuously. By means of the beverage retainer (5) being rotated discontinuously, the vortex formed in the beverage to be cooled as a result of the rotation process is dampened during the waiting duration and a more homogeneous heat distribution in the beverage is provided.
In an embodiment of the present invention, the successive rotation durations of the retainer (5) and the waiting times between successive rotations vary.
In an embodiment of the present invention, the retainer (5) is rotated continuously.
In an embodiment of the present invention, the rotational speed of the retainer (5) in the clockwise direction (rpmcw), is different from the rotational speed in the counterclockwise direction (rpmccw)
In an embodiment of the present invention, the number of revolutions/rotational speed of the retainer (5) per minute is between 0 rpm and 750 rpm.

Claims (9)

  1. A rapid cooling mechanism (1) suitable to be placed inside a refrigerator (2), comprising a receptacle (3) wherein cooling fluid is filled, a motor (4) and a retainer (5) that is disposed inside the receptacle (3), that is connected to the motor (4), that is rotated by means of the motor (4) and whereon the beverage to be cooled is enabled to be placed, characterized by the retainer (5) that is rotated at least once in a direction opposite to the previous rotation direction during the cooling process.
  2. A rapid cooling mechanism (1) as in Claim 1, characterized by the retainer (5) that is rotated successively in a direction opposite to the previous rotation direction during the cooling process.
  3. A rapid cooling mechanism (1) as in Claim 1 or Claim 2, characterized by the retainer (5) that is rotated clockwise for three seconds and rotated counterclockwise for three seconds at a constant rotational speed of 152 rpm.
  4. A rapid cooling mechanism (1) as in Claim 1 or Claim 2, characterized by the retainer (5), of which the rotation duration in the clockwise direction (dcw) is different from the rotation duration in the counterclockwise direction (dccw).
  5. A rapid cooling mechanism (1) as in any one of the above claims, characterized by the retainer (5), that is kept waiting for a waiting time duration predetermined by the producer between at least two successive rotations and rotated discontinuously.
  6. A rapid cooling mechanism (1) as in any one of the Claim 1 to Claim 4, characterized by the retainer (5) that is rotated continuously.
  7. A rapid cooling mechanism (1) as in Claim 1 or Claim 2, characterized by the retainer (5), of which the successive rotation durations and the waiting times between consecutive rotations vary.
  8. A rapid cooling mechanism (1) as in Claim 1 or Claim 2, characterized by the retainer (5), of which the rotational speed in the clockwise direction (rpmcw), is different from the rotational speed in the reverse direction (rpmccw)
  9. A rapid cooling mechanism (1) as in Claim 1 or Claim 2, characterized by the retainer (5), of which the rotational speed is between 0 rpm and 750 rpm.
PCT/EP2015/070010 2014-10-24 2015-09-02 A rapid cooling device suitable to be used in a refrigerator WO2016062442A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2014/12516 2014-10-24
TR201412516 2014-10-24

Publications (1)

Publication Number Publication Date
WO2016062442A1 true WO2016062442A1 (en) 2016-04-28

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PCT/EP2015/070010 WO2016062442A1 (en) 2014-10-24 2015-09-02 A rapid cooling device suitable to be used in a refrigerator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018130837A1 (en) * 2017-01-11 2018-07-19 42 Technology Limited Apparatus and method of cooling fluids

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010002891A1 (en) * 1999-07-13 2001-06-07 Stephen W. Frankel Method and apparatus to automatically heat and froth milk for beverages
US20030209029A1 (en) * 2002-05-13 2003-11-13 Lg Electronics Inc. Rapid cooling apparatus
KR20030088170A (en) 2002-05-13 2003-11-19 엘지전자 주식회사 Rapid cooling system
KR20030088173A (en) * 2002-05-13 2003-11-19 엘지전자 주식회사 Rapid cooling system
US20040144103A1 (en) * 2003-01-24 2004-07-29 Lg Electronics Inc. Quick cooling device
US7343748B2 (en) 2005-12-29 2008-03-18 Whirlpool Corporation Device for rapidly chilling articles in a refrigerator
WO2011012902A1 (en) * 2009-07-30 2011-02-03 Enviro-Cool Uk Limited Improvements in or relating to cooling
US20120088022A1 (en) * 2009-06-17 2012-04-12 Linckia Express Llc Infant formula device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010002891A1 (en) * 1999-07-13 2001-06-07 Stephen W. Frankel Method and apparatus to automatically heat and froth milk for beverages
US20030209029A1 (en) * 2002-05-13 2003-11-13 Lg Electronics Inc. Rapid cooling apparatus
KR20030088170A (en) 2002-05-13 2003-11-19 엘지전자 주식회사 Rapid cooling system
KR20030088173A (en) * 2002-05-13 2003-11-19 엘지전자 주식회사 Rapid cooling system
US20040144103A1 (en) * 2003-01-24 2004-07-29 Lg Electronics Inc. Quick cooling device
US7343748B2 (en) 2005-12-29 2008-03-18 Whirlpool Corporation Device for rapidly chilling articles in a refrigerator
US20120088022A1 (en) * 2009-06-17 2012-04-12 Linckia Express Llc Infant formula device
WO2011012902A1 (en) * 2009-07-30 2011-02-03 Enviro-Cool Uk Limited Improvements in or relating to cooling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018130837A1 (en) * 2017-01-11 2018-07-19 42 Technology Limited Apparatus and method of cooling fluids

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