EP1623169A4 - Refrigerated cabinet - Google Patents
Refrigerated cabinetInfo
- Publication number
- EP1623169A4 EP1623169A4 EP04725860A EP04725860A EP1623169A4 EP 1623169 A4 EP1623169 A4 EP 1623169A4 EP 04725860 A EP04725860 A EP 04725860A EP 04725860 A EP04725860 A EP 04725860A EP 1623169 A4 EP1623169 A4 EP 1623169A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- drawer
- compartment
- refrigerated cabinet
- space
- closure
- 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.)
- Granted
Links
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
- F25D23/00—General constructional features
-
- 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
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- 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
- F25D23/00—General constructional features
- F25D23/06—Walls
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- 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
- F25D2400/16—Convertible refrigerators
Definitions
- This invention relates to a refrigerated cabinet.
- refrigerated cabinets such as domestic refrigerators that they provide a storage space and have a front door which is opened to enable access into the storage space.
- a difficulty with conventional domestic refrigerators arises from the circumstance that when the door is opened, all of the cold air contained within the storage cabinet is able to readily escape through the open front opening of the storage space.
- cool rooms with doors which facilitate access into the cool room for the purposes of extracting goods from the cool room and/or the purposes of entry.
- refrigerated cabinets which have a permanently open front opening to facilitate access by customers to the goods contained within that cabinet through the open front opening.
- a refrigerated cabinet comprising a storage space having a front opening through which access is gained to the space, the space including a zone subdivided into at least one compartment, each compartment defined by a drawer, each drawer having been moveable within the zone from a retracted position at which it is accommodated within the zone and an extended position at which it extends forwardly from the space, wherein when in the extended position the interior of the compartment is accessible from an upper portion of the drawer and when the drawer is in the retracted position the compartment is able to communicate with the remainder of the space, a cooling means adapted to cool at least the upper portion of the remainder of the space.
- the isolation means is associated with the cooling means.
- the isolation means is associated with the compartment.
- a portion of the compartment is associated with a closure, said closure being moveable between an open position and a closed position wherein when the drawer is n its retracted position the closure is moved to the opened position to provide sa d communication and when the drawer is in its extended position the closure is in ts closed position.
- said remainder of the space includes a plenum formed between the walls of the space and the at least one compartment, said communication being between the plenum and the at least one compartment.
- the closure comprises at least a portion of the rear wall of the drawer and the plenum is located between the rear wall of the face of the rear walls of the at least one compartment.
- the plenum is defined by a wall of the space and an opposed wall, said opposed wall being provided with a set of closures which are in one to one relationship with the compartments, said closures being moveable between a closed position and an open position wherein when the drawers are in the retracted position they cooperate with the closures moved to the open position to provide said communication when said drawers are moved from the retracted position the closures are closed to prevent said communication.
- the portion of the upper face communicates with the source when the drawer is in the retracted position.
- the front opening of the at least one compartment sealingly cooperates with the front opening when the drawer is in the retracted position.
- a plurality compartments are accommodated within the zone.
- the compartments are supported in a vertical array.
- the front opening is associated with a door which controls said access.
- the door accommodates one or more storage zones, the space defined between the door and front opening communicating with the remainder of the space.
- the storage zones are closed by a closure which is capable of being opened wherein the interior of the storage zones communicate with the remainder of the space.
- the communication between the remainder of the space and the space defined between the door and front opening and/or storage zones is through passageways provided in the door.
- the cooling means comprises a duct element and the isolation means comprises a valve associated with said duct element, and the drawer comprises a member adapted to open said valve when the drawer is in the retraced position and the valve comprises means to close said valve when the drawer is not in the retracted position.
- the invention resides in a refrigeration system comprising a plurality of refrigerated cabinets of a type as previously referred to wherein the cooling means is provided to each refrigerated cabinet from a common cooling source.
- Figure 1 is a schematic sectional side elevation of a refrigerated cabinet according to the first embodiment with the door in a closed position;
- Figure 2 is a schematic sectional side elevation of a refrigerated cabinet according to the first embodiment with the door in the open position and a drawer in an extended position.
- Figure 3 is a schematic isometric view of a refrigerated compartment according to the fourth embodiment.
- Figure 4A is a diagrammatic representation of a leaved valve in a connecting duct according to the fourth embodiment, the valve being in the closed position.
- Figure 4B is a diagrammatic representation of a leaved valve in a connecting duct according to the fourth embodiment, the valve being in the open position.
- Figure 5 is a schematic sectional side elevation of a refrigerated compartment according to the fifth embodiment.
- Figure 6 is a schematic isometric view of a refrigeration system using three refrigerated compartments according to the fourth embodiment connected to a common cooling source.
- the first embodiment shown in the accompanying drawings relates to a domestic refrigerator which comprises a cabinet 11 which defines a storage space within its interior.
- the cabinet 11 is open at its front opening and is provided with a door 13 which is associated with the front opening to be moveable from a closed position as shown at Figure 1 to prevent access to the front opening of the cabinet and an open position as shown at Figure 2 which enables access to the front opening of the cabinet.
- the storage space of the cabinet includes a zone which is defined by a set of compartments 15. Each compartment 15 is closed at its lower and upper face.
- each compartment is closed by a closure element 17 which is pivotally supported from the lower wall of the respective compartment such that it is moveable between a closed position at which the upper edge of the closure 17 substantially sealingly cooperates with the rearmost end of the upper wall of the compartment and an open position at which the compartment is declined rearwardly to provide communication into the compartment through the gap defined between the upper edge of the closure and the rear edge of the uppermost wall of the respective compartment.
- the cabinet is associated with a conventional refrigeration circuit comprising compressor 19 supported in the lower portion of the cabinet, a condenser 21 supported from the rear exterior face of the cabinet and a vaporiser 22 which is accommodated at the upper end of the compartment of the space.
- the refrigerator can be provided with a fan which causes air to pass over the vaporiser and thence through the space.
- the space within the cabinet comprises a plenum 23 defined between the rear wall 25 of the space at an intermediate wall 27 which is spaced inwardly from the rear wall 25.
- the intermediate wall is provided with a plurality of openings 29 which provide communication between plenum 23 and an intermediate portion 24 of the space defined between the intermediate wall 27 and the rear walls of the compartments.
- Each compartment 15 slidably supports a drawer 31 which is moveable from a retracted position at which it is fully accommodated within the compartment 15 ( as shown in Figure 1 ) and an extended position at which it extends forwardly from the compartment (as shown in the case of the uppermost compartment of Figure 2).
- Each drawer comprises a lower wall, a front wall 35 and a rear wall 33 has an open top.
- each drawer sealingly cooperates with the front opening of the cabinet such that when the drawer is in its retracted position the compartment is sealingly closed at the front face.
- the rear wall of 33 of each drawer cooperates with the closure 17 of each compartment to move the closure to its open position when the drawer is in its retracted position.
- Each closure 17 is biased such that on the drawer being moved towards its extended position out of engagement with the closure the closure will move to its closed position.
- the space within the refrigerated cabinet is divided into a plurality of spaces which are each defined by the drawers 31.
- Access to the drawers 31 is gained by opening the door 13 of the cabinet and moving the respective drawer 31 to its extended position. In so doing the communication between the plenum 23 and the respective compartment 15 is closed as a result of the closing of the closure 17.
- Access to the contents of drawer 31 are gained through the open top of the drawer.
- communication between the plenum 23 and each compartment is only effected when the drawer contained within the compartment is in its retracted position. Therefore when the door 13 of the cabinet is open substantially little cold air is lost from the storage space within the cabinet even when access is gained to the interior of a drawer. With the door 13 open and a drawer 31 in its extended position the plenum 23 is closed and access to the drawer is through the open top only and therefore little cool air is lost through the compartment. The most significant loss of cool air is a result of disturbance of the contents of the drawer.
- the door 13 supports a set of storage zones 41 which are each associated with a separate closure which enables access into each storage zone.
- Each storage zone is connected to a duct 43 in the door which connects with a corresponding positioned passageway 45 in the upper wall of the cabinet when the door is closed and which communicates with the space around the vaporiser to enable cool air to flow into each storage zone to cool the contents thereof.
- the passageway 45 can also communicate with the space defined between the door and the front opening of the cabinet when the door is in its closed position.
- each compartment may be accommodated by the rear wall of the drawer which cooperates with the walls of the compartment to sealingly close the compartment on a drawer being moved from the retracted position to the extended position but when the drawer is in the closed position opens to provide communication between the source of cool air and the interior of the drawer.
- the drawer substantially cooperates with the walls of the compartment to substantially prevent any substantial movement of cool air from the plenum past the drawer and through the front opening.
- the engagement need not be a sealing engagement.
- the upper face cooperates with the upper wall of the compartment whereby when on the drawer moving to the retracted position the upper open face of the drawer opens into the plenum space. According to this embodiment no closure is provided between the respective compartment and the plenum space to isolate the compartment from the plenum space when the drawer is moved towards its extended position.
- a refrigeration system which embraces the freedoms provided by the invention.
- the embodiment comprises at least one compartment 111 providing a storage space which in use is installed within a suitable enclosure 112.
- the enclosure for the compartment of the fourth embodiment is not a specialised refrigerator cabinet but rather may be any convenient enclosure such as a conventional kitchen cabinet.
- the compartment 111 comprises an insulated wall and has a front opening through which access is gained to the space and encloses a drawer 114 adapted to slide between an extended position for access to the drawer and a retracted position wherein the drawer 114 is substantially enclosed within the compartment 111.
- the front, external wall 115 of the drawer is insulated and sealing means is provided between the drawer and the compartment (not shown) so that when the drawer is in the retracted position the contents of the drawer are fully sealed and insulated within the compartment.
- a suitable cooling means is provided so that when the drawer 114 is in its retracted position the cooling means is adapted to cool the contents of the drawer and when the drawer 114 is not in the retracted position the drawer is isolated from the cooling means.
- chilled air produced by a remote source is distributed through a suitable ducting system 121.
- the ducting system 121 is provided with valved porting means 122 in the form of a short connecting duct entering the compartment and housing a valve 123 which is adapted to be engaged by corresponding porting means in the drawer 114 in the form of a suitable nozzle
- the nozzle 124 opens the valve 123 and thereby enables chilled air to enter the drawer space.
- the valve in the connecting duct 122 comprises a plurality of flexible leaves 125 normally extending across the throat of the connecting duct 122 to thereby seal the duct 122.
- nozzle 124 are readily displaced by the nozzle 124 to permit communication of the chilled air into the drawer space.
- absolute sealing is not essential and a fairly simple valving arrangements will be found satisfactory.
- the nozzle 124 is also valved although this is not considered important as external air must enter space behind the drawer when the drawer is in the extended position.
- a pair of ports are provided, one inlet and one outlet port, thereby promoting good circulation of the chilled air. Again, this may not be considered necessary in certain configurations.
- the porting arrangement just described should be considered as an example only of the type of disengagable connection that might be used and it should be recognized that one of many other known arrangements could also be adapted to the embodiment.
- cooling means may take many forms.
- chilled coolant is distributed rather than chilled air.
- a localised evaporator 211 is provided in a plenum 212 associated with each compartment and isolation means is provided between the drawer and the cooling means which is generally of the form described in relation to the first embodiment. It is thought that this arrangement may provide a system whereby localised thermostatic control may be provided to each drawer in a multi drawer system.
- the arrangements such as those described in relation to the fourth and fifth embodiments lend themselves to providing a plurality of separated compartments in a single refrigeration system, as shown in Figure 6.
- the compartments might be produced in a number of standardised sizes and an interior designer might select several and locate them at different positions around a kitchen area. These might be linked to a single, common cooling source which could be located remote from the compartments thereby removing the main noise source to another location.
- Some compartments could be provided immediately below bench-top level and provided with a transparent viewing panel to enable a user to identify the contents without opening the drawer. In such an arrangement, the transparent panel might be sealingly hinged so that it could be opened to thereby provide an additional means of access as well as by extending the drawer.
- certain compartments could be configured as freezer units while others are less cooled for general chilled goods. Indeed, other compartments might only be slightly chilled, for example for storing wine.
Landscapes
- 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)
- Refrigerator Housings (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003901561A AU2003901561A0 (en) | 2003-04-07 | 2003-04-07 | Refrigerated cabinet |
PCT/AU2004/000447 WO2004090444A1 (en) | 2003-04-07 | 2004-04-06 | Refrigerated cabinet |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1623169A1 EP1623169A1 (en) | 2006-02-08 |
EP1623169A4 true EP1623169A4 (en) | 2006-06-14 |
EP1623169B1 EP1623169B1 (en) | 2011-12-28 |
Family
ID=31500604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04725860A Expired - Lifetime EP1623169B1 (en) | 2003-04-07 | 2004-04-06 | Refrigerated cabinet |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070107457A1 (en) |
EP (1) | EP1623169B1 (en) |
JP (1) | JP2006522301A (en) |
KR (1) | KR101116022B1 (en) |
CN (1) | CN1802542B (en) |
AT (1) | ATE539306T1 (en) |
AU (1) | AU2003901561A0 (en) |
WO (1) | WO2004090444A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2415490A (en) * | 2004-09-06 | 2005-12-28 | Applied Design & Eng Ltd | Cold-storage appliance |
JP2006336969A (en) * | 2005-06-03 | 2006-12-14 | Matsushita Electric Ind Co Ltd | Article storage device |
EP2509468A4 (en) | 2009-12-11 | 2013-10-09 | Wrigley W M Jun Co | Display tray |
US8319176B2 (en) * | 2010-04-01 | 2012-11-27 | Electro Scientific Industries, Inc. | Sample chamber for laser ablation inductively coupled plasma mass spectroscopy |
DE102012213542A1 (en) * | 2012-08-01 | 2014-02-06 | Goselig UG | Cold storage device and cooling system arrangement |
DE102013213209A1 (en) * | 2013-07-05 | 2015-01-22 | BSH Bosch und Siemens Hausgeräte GmbH | A method of operating a household refrigerating appliance, wherein the fluid is introduced into a storage area and household refrigeration appliance |
US11828519B2 (en) | 2018-09-04 | 2023-11-28 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Refrigerator |
TWI735388B (en) * | 2020-11-30 | 2021-08-01 | 財團法人工業技術研究院 | Air curtain velocity control method and device thereof for open display refrigerator cabinet |
CN112880268B (en) * | 2021-01-27 | 2021-09-07 | 广州博澳斯电器有限公司 | Intelligent regulation freezer |
US11723459B2 (en) | 2021-05-04 | 2023-08-15 | Electrolux Home Products, Inc. | Shelf system for a beverage cabinet |
CN114044247B (en) * | 2021-11-11 | 2023-07-18 | 江苏食品药品职业技术学院 | Biological medicine storage equipment |
CN115039992B (en) * | 2022-08-04 | 2024-02-02 | 宁波奇红电器有限公司 | Plane showcase with automatic goods taking mechanism |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1922456A (en) * | 1933-03-16 | 1933-08-15 | Edwin L Powell | Refrigerator |
GB642085A (en) * | 1946-04-30 | 1950-08-30 | Milton Rifkin | Frozen food dispenser |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444887A (en) * | 1945-02-17 | 1948-07-06 | Ralph S Wyeth | Supplemental food-storage cabinet for use in conjunction with refrigerators |
US3364838A (en) * | 1966-02-01 | 1968-01-23 | Gen Electric | Cabinet for mounting, enclosing and cooling electrical apparatus |
CN85202706U (en) * | 1985-07-05 | 1986-04-23 | 史晓明 | Insulated inner door of eletric refrigerator chilling chamber |
KR100203984B1 (en) * | 1995-06-16 | 1999-06-15 | 전주범 | Cool air dispension device of refrigerator |
US5722252A (en) * | 1995-10-13 | 1998-03-03 | Lg Electronics, Inc. | Cooling air distribution apparatus for refrigerator |
DE19546984C2 (en) | 1995-12-15 | 1999-07-22 | Hans Simon | Freezer and / or refrigerator |
KR0159699B1 (en) * | 1996-06-12 | 1999-01-15 | 김광호 | Refrigerator |
US6170276B1 (en) * | 1999-02-26 | 2001-01-09 | Maytag Corporation | High performance food storage system for a refrigerator |
US6901767B2 (en) * | 2001-03-13 | 2005-06-07 | Applied Design And Engineering Limited | Use of heat in cold storage appliances |
-
2003
- 2003-04-07 AU AU2003901561A patent/AU2003901561A0/en not_active Abandoned
-
2004
- 2004-04-06 US US10/552,409 patent/US20070107457A1/en not_active Abandoned
- 2004-04-06 WO PCT/AU2004/000447 patent/WO2004090444A1/en active Application Filing
- 2004-04-06 KR KR1020057019192A patent/KR101116022B1/en active IP Right Grant
- 2004-04-06 EP EP04725860A patent/EP1623169B1/en not_active Expired - Lifetime
- 2004-04-06 AT AT04725860T patent/ATE539306T1/en active
- 2004-04-06 JP JP2006503999A patent/JP2006522301A/en active Pending
- 2004-04-06 CN CN2004800158518A patent/CN1802542B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1922456A (en) * | 1933-03-16 | 1933-08-15 | Edwin L Powell | Refrigerator |
GB642085A (en) * | 1946-04-30 | 1950-08-30 | Milton Rifkin | Frozen food dispenser |
Also Published As
Publication number | Publication date |
---|---|
JP2006522301A (en) | 2006-09-28 |
CN1802542B (en) | 2010-06-16 |
KR101116022B1 (en) | 2012-02-17 |
EP1623169A1 (en) | 2006-02-08 |
WO2004090444A1 (en) | 2004-10-21 |
US20070107457A1 (en) | 2007-05-17 |
KR20060021827A (en) | 2006-03-08 |
CN1802542A (en) | 2006-07-12 |
EP1623169B1 (en) | 2011-12-28 |
ATE539306T1 (en) | 2012-01-15 |
AU2003901561A0 (en) | 2003-05-01 |
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