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WO2006086999A1 - Refrigerated display case - Google Patents

Refrigerated display case Download PDF

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Publication number
WO2006086999A1
WO2006086999A1 PCT/EP2005/001520 EP2005001520W WO2006086999A1 WO 2006086999 A1 WO2006086999 A1 WO 2006086999A1 EP 2005001520 W EP2005001520 W EP 2005001520W WO 2006086999 A1 WO2006086999 A1 WO 2006086999A1
Authority
WO
WIPO (PCT)
Prior art keywords
display case
refrigerated display
sterilising
lid
cooling
Prior art date
Application number
PCT/EP2005/001520
Other languages
French (fr)
Inventor
Harry Finkenauer
Original Assignee
Carrier Corporation
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 Carrier Corporation filed Critical Carrier Corporation
Priority to PL05707405T priority Critical patent/PL1850705T3/en
Priority to US11/884,330 priority patent/US20080104972A1/en
Priority to PCT/EP2005/001520 priority patent/WO2006086999A1/en
Priority to AU2005327823A priority patent/AU2005327823A1/en
Priority to JP2007554430A priority patent/JP2008529615A/en
Priority to CNA2005800483684A priority patent/CN101137310A/en
Priority to MX2007009852A priority patent/MX2007009852A/en
Priority to ES05707405T priority patent/ES2365518T3/en
Priority to EP05707405A priority patent/EP1850705B1/en
Priority to AT05707405T priority patent/ATE508666T1/en
Publication of WO2006086999A1 publication Critical patent/WO2006086999A1/en

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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A47F3/0456—Cases or cabinets of the counter type
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0417—Treating air flowing to refrigeration compartments by purification using an UV-lamp

Definitions

  • the present invention relates to a refrigerated display case comprising a display platform supporting the goods to be refrigerated, a device for cooling and a device for venting an air flow which are both located next to one of the vertical walls of the refrigerated display case.
  • Common refrigerated display cases comprise a display platform supporting the goods to be refrigerated and a device for cooling and a device for venting an air flow.
  • a cooling device is provided to cool the air flow which is supposed to cool the goods displayed on the display platform.
  • the refrigerated display case further comprises a venting device, e. g. a fan, giving the cold air a certain flow direction entering the space above the display platform at one side of the display case and flowing to the other side of the display case and flowing back to the rear side underneath the display platform cooling the underside of this platform in addition.
  • the flow of cold air can be operated either continuously or discontinuously. Both operating modes are known in the prior art.
  • cooling and venting devices are located underneath the display platform causing divers problems for service, maintenance and cleaning of this equipment.
  • the problem on the one hand is that cleaning agent used for the display platform can penetrate through seams or gaps in the display platform and spoil the devices located underneath.
  • the display platform and all goods displayed have to be taken out in case of service or repair work has to be done on said devices underneath. This causes a lot of effort and can only be done during closing hours of the shop.
  • Document DE 3347 361 A1 discloses cooling and venting devices being located at the rear wall of a refrigerated display case. The access to the cooling and venting devices is only provided via the display space inside the refrigerated display case with the known discomfort for service, maintenance and cleaning of the cooling and venting devices.
  • a refrigerated display case comprising at least one lid which in an open position permits access to the cooling device and the venting device.
  • the cooling device comprises an evaporator and a heat exchanger and the venting device is for example designed as a fan or a radial blower.
  • the refrigerated display case further comprises a sterilising device for sterilising the cooling air.
  • the sterilising device eliminates germs from the cooled air. This is especially important for non-wrapped products such as meat or cheese.
  • the at least one lid when in an open position, permits access to the sterilising device
  • the refrigerated display case has a rear wall comprising at least two lids a first one of which, when in an open position, permits access to the sterilising device and a second one of which, when in an open position, permits access to at least one of the cooling and venting devices
  • the cooling device, the venting device and the sterilising device form a module.
  • a common frame connects the devices and builds up a module that advantageously comprises a handle.
  • the handle can be used to take out the module through an open lid, for example.
  • each lid comprises a fold-away or hinge mechanism.
  • the fold-away or hinge mechanism can be operated independently or alternatively being connected in such a way that the lids open successively. With the latter an opening is created by every lid folded away that increases in width without any lid obstructing the opening as it could occur with independently hinged lids.
  • a lid is provided as fold-away working platform permitting access to the module from above, when in an open position.
  • This lid is supposed to form a horizontal platform, when in closed position, and can be used as a working platform by vendor personnel. It is common practice to display refrigerated goods such as meat or the like to the customer in a refrigerated display case comprising a partly open top at the vendors side and a part covered by glass or other transparent material at the customer side. At the vendors side in most cases a working platform is provided where the vendor personnel can for example chop the meat and wrap the products to be sold.
  • This type of refrigerated display cases are in use at butcher or dairy shops, supermarkets and retail shops.
  • the sterilising 90 device comprises a germ filter.
  • the sterilising device comprises a filter which kills germs being present in the cooled air.
  • the sterilising device can comprise an ultraviolett (UV) light source located in a radiation chamber where cooled air is sterilised by flowing through that chamber.
  • UV ultraviolett
  • Another alternative is to provide an ozon-containing chamber wherein the germs are killed 95 too.
  • the easy access to the sterilisation device is of great importance because the filter, UV-chamber or ozon-chamber need to be maintained quite frequently. Therefore the advantage of an embodiment is quite obvious where the sterilising device is located on top of the module. This embodiment provides easy access from the top, e.g. from the fold-away working platform and/or from the loo rear via a first lid.
  • Figure 1 shows a refrigerated display case with an inventive module with closed lids
  • Figure 2 shows a refrigerated display case with an inventive module with open lids
  • Figure 3 shows a refrigerated display case with an inventive module with an open first lid and a closed second lid.
  • Figure 1 shows a refrigerated display case 1 with a basic case 2 with a partly 115 open top 3 at the vendors side and a part 4 covered by glass at the customer side.
  • a working platform 5 is provided for the vendor personnel to cut or wrap the products to be sold, e.g. meat or diary products.
  • the working platform 5 is mounted in a fold-away manner as indicated by the dotted line showing an open position.
  • the products are placed on a display platform 6 which the 120 customer is able to overlook easily from the customer side through the glass wall 4.
  • a cooling device 7 is provided to cool the air flow which is supposed to cool the goods displayed on the display platform 6.
  • the cooling device 7 is provided to cool the air flow which is supposed to cool the goods displayed on the display platform 6.
  • 125 device 7 is combined with a fan 8 as venting device giving the cold air a certain flow direction entering the space 9 above the display platform 6 at the rear side 10 of the basic case 2, flowing to the front 11 or customer side of the basic case 2 and flowing back to the rear side underneath the display platform cooling the underside of this platform in addition.
  • This flow direction is indicated by arrows
  • the working platform 5 as well as the first lid 12 and the second lid 13 are shown in closed position here.
  • the sterilising device 14 is located at the top of the module 15.
  • the module 15 comprises the cooling device 7, the venting device 8 and the sterilising device 14.
  • the air cooled by the cooling device 7 which comprises an evaporator and a heat exchanger is vented by the
  • a UV-chamber 14 is used to sterilise the coold air.
  • the flow of cooled air is driven through the UV-chamber 14 where it is subjected to ultraviolett radiation which kills most of the germs.
  • FIG 2 shows the first and second lid 12, 13 described above with reference to Figure 1 in open position providing access to the module 15 for service, maintenance, cleaning or repair work.
  • the first lid 12 is mounted to the second lid 13 by a hinge providing a successive opening mode where the second lid 13 s open implies an open first lid 12. Therefore an open first lid 12 does not obstruct the opening of the second lid 13 as it could be the case with independently mounted fold-away lids.
  • both lids 12 and 13, when closed, 150 form a rear wall of the compartment receiving the module 15, with the second lid 13 being hinged to a lower part of said compartment and the first lid 12 being hinged to a free end of the second lid 13, as shown in the Figures. If there is need of access to the sterilising device 14 only, it is sufficient to open the first lid only. If there is need of access to the cooling device 7 and/or the fan 8, both 155 lids 12 and 13 are opened commonly.
  • Access to the sterilising device 14 is also possible from above through the pivotable working platform 5 when it is pivoted into an open position. It is further possible to remove the entire module 15 from its compartment through 160 the opened working platform 5.
  • Figure 3 shows only the first lid 12 open in order to take out the sterilising device 14 which is shown being taken out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention relates to a refrigerated display case (1) comprising a display platform (6) supporting the goods to be refrigerated, a device for cooling (7) and a device for venting (8) an air flow which are both located next to one of the vertical walls of the refrigerated display case and comprising at least one lid (12, 13, 5) which in an open position permits access to the cooling device (7) and the venting devices (8).

Description

Refrigerated display case
Description
The present invention relates to a refrigerated display case comprising a display platform supporting the goods to be refrigerated, a device for cooling and a device for venting an air flow which are both located next to one of the vertical walls of the refrigerated display case.
Common refrigerated display cases comprise a display platform supporting the goods to be refrigerated and a device for cooling and a device for venting an air flow. A cooling device is provided to cool the air flow which is supposed to cool the goods displayed on the display platform. For this purpose the refrigerated display case further comprises a venting device, e. g. a fan, giving the cold air a certain flow direction entering the space above the display platform at one side of the display case and flowing to the other side of the display case and flowing back to the rear side underneath the display platform cooling the underside of this platform in addition. The flow of cold air can be operated either continuously or discontinuously. Both operating modes are known in the prior art.
Customarily the cooling and venting devices are located underneath the display platform causing divers problems for service, maintenance and cleaning of this equipment. The problem on the one hand is that cleaning agent used for the display platform can penetrate through seams or gaps in the display platform and spoil the devices located underneath. On the other hand the display platform and all goods displayed have to be taken out in case of service or repair work has to be done on said devices underneath. This causes a lot of effort and can only be done during closing hours of the shop.
Document DE 3347 361 A1 discloses cooling and venting devices being located at the rear wall of a refrigerated display case. The access to the cooling and venting devices is only provided via the display space inside the refrigerated display case with the known discomfort for service, maintenance and cleaning of the cooling and venting devices.
Thus, it is an object of the present invention to provide an easy access to the cooling and venting devices for service, maintenance, cleaning and repair.
In accordance with the present invention this object is solved by a refrigerated display case comprising at least one lid which in an open position permits access to the cooling device and the venting device.
In an embodiment of the invention, the cooling device comprises an evaporator and a heat exchanger and the venting device is for example designed as a fan or a radial blower.
In accordance with an embodiment of the present invention the refrigerated display case further comprises a sterilising device for sterilising the cooling air. The sterilising device eliminates germs from the cooled air. This is especially important for non-wrapped products such as meat or cheese.
In accordance with an embodiment of the invention, the at least one lid, when in an open position, permits access to the sterilising device
In accordance with an embodiment of the present invention the refrigerated display case has a rear wall comprising at least two lids a first one of which, when in an open position, permits access to the sterilising device and a second one of which, when in an open position, permits access to at least one of the cooling and venting devices
In accordance with an embodiment of the present invention the cooling device, the venting device and the sterilising device form a module. For example a common frame connects the devices and builds up a module that advantageously comprises a handle. The handle can be used to take out the module through an open lid, for example.
In accordance with an embodiment of the present invention each lid comprises a fold-away or hinge mechanism. The fold-away or hinge mechanism can be operated independently or alternatively being connected in such a way that the lids open successively. With the latter an opening is created by every lid folded away that increases in width without any lid obstructing the opening as it could occur with independently hinged lids.
In accordance with an embodiment of the present invention a lid is provided as fold-away working platform permitting access to the module from above, when in an open position. This lid is supposed to form a horizontal platform, when in closed position, and can be used as a working platform by vendor personnel. It is common practice to display refrigerated goods such as meat or the like to the customer in a refrigerated display case comprising a partly open top at the vendors side and a part covered by glass or other transparent material at the customer side. At the vendors side in most cases a working platform is provided where the vendor personnel can for example chop the meat and wrap the products to be sold. This type of refrigerated display cases are in use at butcher or dairy shops, supermarkets and retail shops. In accordance with an embodiment of the present invention the sterilising 90 device comprises a germ filter. The sterilising device comprises a filter which kills germs being present in the cooled air. Alternatively the sterilising device can comprise an ultraviolett (UV) light source located in a radiation chamber where cooled air is sterilised by flowing through that chamber. Another alternative is to provide an ozon-containing chamber wherein the germs are killed 95 too. The easy access to the sterilisation device is of great importance because the filter, UV-chamber or ozon-chamber need to be maintained quite frequently. Therefore the advantage of an embodiment is quite obvious where the sterilising device is located on top of the module. This embodiment provides easy access from the top, e.g. from the fold-away working platform and/or from the loo rear via a first lid.
Embodiments of the present invention are described in greater detail below with reference to the Figures, wherein
105 Figure 1 shows a refrigerated display case with an inventive module with closed lids,
Figure 2 shows a refrigerated display case with an inventive module with open lids,
110
Figure 3 shows a refrigerated display case with an inventive module with an open first lid and a closed second lid.
Figure 1 shows a refrigerated display case 1 with a basic case 2 with a partly 115 open top 3 at the vendors side and a part 4 covered by glass at the customer side. A working platform 5 is provided for the vendor personnel to cut or wrap the products to be sold, e.g. meat or diary products. The working platform 5 is mounted in a fold-away manner as indicated by the dotted line showing an open position. The products are placed on a display platform 6 which the 120 customer is able to overlook easily from the customer side through the glass wall 4.
A cooling device 7 is provided to cool the air flow which is supposed to cool the goods displayed on the display platform 6. For this purpose the cooling
125 device 7 is combined with a fan 8 as venting device giving the cold air a certain flow direction entering the space 9 above the display platform 6 at the rear side 10 of the basic case 2, flowing to the front 11 or customer side of the basic case 2 and flowing back to the rear side underneath the display platform cooling the underside of this platform in addition. This flow direction is indicated by arrows
130 in figure 1. The working platform 5 as well as the first lid 12 and the second lid 13 are shown in closed position here. The sterilising device 14 is located at the top of the module 15. The module 15 comprises the cooling device 7, the venting device 8 and the sterilising device 14. The air cooled by the cooling device 7 which comprises an evaporator and a heat exchanger is vented by the
135 fan 8 to create a certain flow direction, the flow flowing through the sterilising device 14 to kill the germs which are present in the cooled air. In this example a UV-chamber 14 is used to sterilise the coold air. The flow of cooled air is driven through the UV-chamber 14 where it is subjected to ultraviolett radiation which kills most of the germs. 40
Figure 2 shows the first and second lid 12, 13 described above with reference to Figure 1 in open position providing access to the module 15 for service, maintenance, cleaning or repair work. The first lid 12 is mounted to the second lid 13 by a hinge providing a successive opening mode where the second lid 13 s open implies an open first lid 12. Therefore an open first lid 12 does not obstruct the opening of the second lid 13 as it could be the case with independently mounted fold-away lids. In the embodiment illustrated in the Figures, both lids 12 and 13, when closed, 150 form a rear wall of the compartment receiving the module 15, with the second lid 13 being hinged to a lower part of said compartment and the first lid 12 being hinged to a free end of the second lid 13, as shown in the Figures. If there is need of access to the sterilising device 14 only, it is sufficient to open the first lid only. If there is need of access to the cooling device 7 and/or the fan 8, both 155 lids 12 and 13 are opened commonly.
Access to the sterilising device 14 is also possible from above through the pivotable working platform 5 when it is pivoted into an open position. It is further possible to remove the entire module 15 from its compartment through 160 the opened working platform 5.
Figure 3 shows only the first lid 12 open in order to take out the sterilising device 14 which is shown being taken out.

Claims

Claims170
1. Refrigerated display case (1 ) comprising a display platform (6) supporting the goods to be refrigerated, a device for cooling (7) and a device for venting (8) an air flow which are both located next to one of the vertical walls of the refrigerated display case and comprising at least one lid (12, 13, 5) which in
175 an open position permits access to the cooling device (7) and the venting devices (8).
2. Refrigerated display case (1 ) according to claim 1 further comprising a sterilising device (14) for sterilising (14) the cooling air, the at least one lid (12, 13,
180 5), when in an open position, permits access to the sterilising device (14).
3. Refrigerated display case (1) according to claim 2 having a rear wall comprising at least two lids (12, 13) a first one of which, when in an open position, permits access to the sterilising device (14) and a second one (13)
185 of which, when in an open position, permits access to at least one of the cooling and venting devices (7, 8).
4. Refrigerated display case (1) according to claim 2 or 3 wherein the cooling device (7), the venting device (8) and the sterilising device (14) form a
190 module (15).
5. Refrigerated display case (1) according to any of claims 1 to 4 wherein each lid (12, 13, 5) comprises a fold-away or hinge mechanism (16).
195 6. Refrigerated display case (1) according to claim 5 wherein the fold-away or hinge mechanism (16) of each lid is operable independently.
7. Refrigerated display case (1) according to claim 2, wherein the fold-away or hinge mechanisms are connected to the lids (12, 13) in such a way that the
200 lids open successively.
8. Refrigerated display case (1) according to any of claims 1 to 7 wherein a lid is provided as fold-away working platform (5) permitting access to the module (15) from above, when in an open position.
205
9. Refrigerated display case (1) according to any of claims 2 to 8 wherein the sterilising device (14) comprises a germ filter.
10. Refrigerated display case according to any of claims 2 to 9 wherein the 210 sterilising device (14) comprises an ultraviolett light source located in a radiation chamber (UV-chamber).
11. Refrigerated display case according to any of claims 2 to 10 wherein the sterilising device (14) comprises an ozon-containing sterilising chamber.
215
12. Refrigerated display case (1 ) according to any of claims 2 to 11 wherein the sterilising device (14) is located at the top of the module (15).
PCT/EP2005/001520 2005-02-15 2005-02-15 Refrigerated display case WO2006086999A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL05707405T PL1850705T3 (en) 2005-02-15 2005-02-15 Refrigerated display case
US11/884,330 US20080104972A1 (en) 2005-02-15 2005-02-15 Refrigerated Display Case
PCT/EP2005/001520 WO2006086999A1 (en) 2005-02-15 2005-02-15 Refrigerated display case
AU2005327823A AU2005327823A1 (en) 2005-02-15 2005-02-15 Refrigerated display case
JP2007554430A JP2008529615A (en) 2005-02-15 2005-02-15 Cooling display case
CNA2005800483684A CN101137310A (en) 2005-02-15 2005-02-15 Freezing showcase
MX2007009852A MX2007009852A (en) 2005-02-15 2005-02-15 Refrigerated display case.
ES05707405T ES2365518T3 (en) 2005-02-15 2005-02-15 REFRIGERATED EXHIBITOR.
EP05707405A EP1850705B1 (en) 2005-02-15 2005-02-15 Refrigerated display case
AT05707405T ATE508666T1 (en) 2005-02-15 2005-02-15 REFRIGERATED CABINET

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/001520 WO2006086999A1 (en) 2005-02-15 2005-02-15 Refrigerated display case

Publications (1)

Publication Number Publication Date
WO2006086999A1 true WO2006086999A1 (en) 2006-08-24

Family

ID=34960810

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/001520 WO2006086999A1 (en) 2005-02-15 2005-02-15 Refrigerated display case

Country Status (10)

Country Link
US (1) US20080104972A1 (en)
EP (1) EP1850705B1 (en)
JP (1) JP2008529615A (en)
CN (1) CN101137310A (en)
AT (1) ATE508666T1 (en)
AU (1) AU2005327823A1 (en)
ES (1) ES2365518T3 (en)
MX (1) MX2007009852A (en)
PL (1) PL1850705T3 (en)
WO (1) WO2006086999A1 (en)

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USD745580S1 (en) 2014-09-10 2015-12-15 Leer, Inc. Merchandiser
USD789714S1 (en) 2014-10-24 2017-06-20 Leer, Inc. Merchandiser
US20160113417A1 (en) 2014-10-24 2016-04-28 Leer, Inc. Ice merchandiser
USD775882S1 (en) 2014-10-24 2017-01-10 Leer, Inc. Merchandiser
USD783063S1 (en) 2014-10-24 2017-04-04 Leer, Inc. Door with handle for merchandiser
CN113576207B (en) * 2021-09-03 2022-03-04 浙江富迩佳电子科技有限公司 Sterilizing type multifunctional display cabinet

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MX2007009852A (en) 2007-09-11
ATE508666T1 (en) 2011-05-15
AU2005327823A1 (en) 2006-08-24
US20080104972A1 (en) 2008-05-08
EP1850705A1 (en) 2007-11-07
ES2365518T3 (en) 2011-10-06
CN101137310A (en) 2008-03-05
PL1850705T3 (en) 2011-09-30
JP2008529615A (en) 2008-08-07
EP1850705B1 (en) 2011-05-11

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