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EP1486148A1 - Gekühlte Ausstellungsschränke - Google Patents

Gekühlte Ausstellungsschränke Download PDF

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Publication number
EP1486148A1
EP1486148A1 EP03253665A EP03253665A EP1486148A1 EP 1486148 A1 EP1486148 A1 EP 1486148A1 EP 03253665 A EP03253665 A EP 03253665A EP 03253665 A EP03253665 A EP 03253665A EP 1486148 A1 EP1486148 A1 EP 1486148A1
Authority
EP
European Patent Office
Prior art keywords
compartment
refrigerated display
display cabinet
compartments
cabinet
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.)
Withdrawn
Application number
EP03253665A
Other languages
English (en)
French (fr)
Inventor
designation of the inventor has not yet been filed The
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carrier Corp
Original Assignee
Carrier Corp
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 Corp filed Critical Carrier Corp
Priority to EP03253665A priority Critical patent/EP1486148A1/de
Publication of EP1486148A1 publication Critical patent/EP1486148A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A47F3/0452—Cases or cabinets of the open type with forced air circulation with cooled storage compartments
    • 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
    • A47F3/0447—Cases or cabinets of the open type with forced air circulation with air curtains
    • 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
    • A47F2003/046—Cases or cabinets of the open type with forced air circulation with shelves having air ducts

Definitions

  • the present invention relates to refrigerated display cabinets which can be used to hold chilled or frozen products.
  • the invention relates to "open" cabinets where a consumer can gain access to the display products without having to open a door on the cabinet.
  • Open cabinets fall generally into two categories.
  • the first of these uses one, or more usually more than one, vertical air curtains which extend over the front of the cabinet.
  • the air curtains cover the entire front opening of the cabinet and a user must insert their hand through the air curtains to gain access to the products which are displayed on conventional shelves within the cabinet.
  • the problem with such an arrangement is that it is quite difficult to maintain a long air curtain and also it is difficult within such displays to maintain a satisfactory vertical temperature radiant.
  • the power consumption is also quite high due to the disruption t the air curtains caused by users continually disrupting the air curtains.
  • Another cabinet type is the chest type cabinet which has an open top through which goods can be removed. There are, however, significant losses associated with radiation from the products within the cabinet. Also, the goods are not conveniently placed for the user.
  • the present invention seeks to overcome or mitigate at least some of the above problems.
  • the invention provides an open faced refrigerated display cabinet comprising a plurality of product receiving compartments arranged one above the other, each compartment comprising an evaporator and fan system for producing a generally horizontal air curtain across the opening to the compartment.
  • the invention also provides an open faced refrigerated display cabinet comprising a plurality of product receiving compartments arranged one above the other, and means for producing generally horizontal air curtains across the openings to the respective compartments.
  • an elongate vertical air curtain extending across a number of shelves is replaced by a plurality of generally horizontal air curtains provided across the entrance to a plurality of vertically stacked compartments.
  • the amount of ambient air penetrating the air curtain can be less and, as a result, the energy consumption of the unit will decrease. It will also be easier to reach the required food temperature.
  • each compartments can be manufactured separately and then assembled into and secured in the cabinet which acts to support the compartments in their desired positions.
  • horizontal is meant an angle of up to 30° to the horizontal, (either above or below) more preferably within 5-10° of the horizontal.
  • the compartments are preferably arranged such that the front face of the cabinet is inclined rearwardly from its bottom to its top.
  • the upper compartments of the cabinet are preferably less deep than the lower compartments.
  • each compartment inclines outwardly to facilitate the formation of the compartment opening. This can be effected by inclining the whole compartment or just the front wall.
  • each compartment is preferably formed between the top edge of the front wall of the compartment and the lower end of the front wall of the upwardly adjacent compartment.
  • the front wall of each compartment is formed from a transparent material, for example glass.
  • the front face thereof preferably comprises a low emissivity layer.
  • a low emissivity layer is widely used in other chiller/freezer applications and do not require further explanation here.
  • the compartment is preferably double walled so as to define an air circulation passage around the produce carrying part of the compartment.
  • the air circulation passage may comprise means to distribute the chilled air over the compartment opening in a controlled manner.
  • the air may pass through a honeycomb distributor adjacent the opening.
  • each compartment is provided with a drain to receive melt water during defrost.
  • the respective drains are taken to a common drain outlet at the bottom of the cabinet for disposal.
  • a chiller or freezer cabinet 2 comprises an outer cabinet body 4 and a plurality of internal compartments 6, 8, 10, 12. Each compartment is sub-divided by an internal divider 14, 16, 18, 20.
  • the compartment 6, 8, 10 and 12 are sized and arranged so as to be inclined rearwardly as shown in the Figures.
  • the cabinet 2 comprises two relatively large compartments 6 and 8 which are of the same size and two relatively smaller, less deep, compartments 10, 12 which again are also of the same size.
  • the rearward inclination of the compartments is achieved by suitable horizontal and vertical positioning of these compartments.
  • the compartments are inclined downwardly from the horizontal by about 25°, as shown.
  • Each compartment 6, 8, 10 or 12 is self-contained and comprises an outer, insulated tray-like support structure 22.
  • the structure 22 comprises a front face 24, a base 26 and a rear wall 28.
  • the tray 22 is suitably mounted to the body 4 of the cabinet 2, and a seal 30 is provided between adjacent compartments 6.
  • an inner tray 32 for receiving produce.
  • the inner tray 32 is spaced from the outer tray 22 to define a gap 34 therebetween.
  • the front face 24 of the outer tray 22 and the front face 36 of the inner tray 30 are made from a transparent material such as glass which is preferably coated with an emission reducing coating to maintain the temperature within the compartment 6. This also allows produce to be seen more easily within the compartment 6.
  • a refrigeration unit 38 Arranged between the rear of the inner tray 30 and the rear wall 28 of the outer structure 22 is a refrigeration unit 38 which comprises a fan and evaporator (not shown in detail). This creates a circulation 40 of cooled air around the gap 34 and forms an air curtain 42 across the open mouth 44 of each compartment 6. This opening 44 is defined between the upper edge 46 of the front wall 24 of the compartment 6 and the lower edge 46 of the front wall 24 of the immediately upwardly adjacent compartment 6. It will be seen that the air curtain 42 is generally horizontal.
  • the described arrangement facilitates access to produce within the cabinet 2 and reduces power consumption due to the relatively short, horizontal, air curtains 42. Furthermore the temperature within each compartment can be more easily controlled as each compartment is essentially self contained.
  • a cabinet 102 comprises two relatively large compartments 106 and 108 which are of the same size and two relatively smaller compartments 110, 112 which again are also of the same size.
  • the rearward inclination of the compartments is achieved by suitable horizontal and vertical positioning of these compartments.
  • the compartments 106, 108,110,112 are inclined upwardly from the horizontal by about 5°, as shown.
  • Each compartment 106,108,110,112 is self-contained and comprises an outer, insulated tray-like support structure 122.
  • the structure 122 comprises a front face 124, an insulated base 126 and an insulated rear wall 128.
  • the structure 122 is suitably mounted to the body 104 of the cabinet 102.
  • the tray structure 122 contains an inner tray 132 for receiving produce 133.
  • the inner tray 132 is spaced from the outer tray 122 to define a gap 134 therebetween.
  • the front face 124 of the outer tray 122 and the front face 136 of the inner tray 130 are made from a transparent material such as glass which is preferably coated with an emission reducing coating to maintain the temperature within the compartment 106.
  • a refrigeration unit 138 Arranged between the rear of the inner tray 130 and the rear wall 128 of the outer structure 122 is a refrigeration unit 138 which comprises a fan and evaporator (not shown in detail). This creates a circulation 140 of cooled air around the gap 134 and forms an air curtain 142 across the open mouth 144 of each compartment 6.
  • An air distribution duct 146 is formed in the upper part of each gap 134. For reasons of clarity it is only shown in the lowermost of the compartments 106.
  • the end of the duct 146 is provided with a honeycomb member 148 which helps to create a non-turbulent airflow across the open mouth 144 of the compartment.
  • the air curtain 42 is generally horizontal.
  • Each compartment 106, 108, 110, 112 is provided with a drain 150 which receives melt water during defrosting operations.
  • the drains 150 are connected to a common outlet pipe 152 which has an outlet 154 at the base of the cabinet 102 to allow melt water to be removed from the cabinet.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
EP03253665A 2003-06-10 2003-06-10 Gekühlte Ausstellungsschränke Withdrawn EP1486148A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03253665A EP1486148A1 (de) 2003-06-10 2003-06-10 Gekühlte Ausstellungsschränke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03253665A EP1486148A1 (de) 2003-06-10 2003-06-10 Gekühlte Ausstellungsschränke

Publications (1)

Publication Number Publication Date
EP1486148A1 true EP1486148A1 (de) 2004-12-15

Family

ID=33185973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03253665A Withdrawn EP1486148A1 (de) 2003-06-10 2003-06-10 Gekühlte Ausstellungsschränke

Country Status (1)

Country Link
EP (1) EP1486148A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008116476A1 (en) * 2007-03-23 2008-10-02 Carrier Corporation Frigorific sales furniture
WO2008116475A1 (en) * 2007-03-23 2008-10-02 Carrier Corporation Frigorific sales furniture
KR20230087010A (ko) * 2021-12-09 2023-06-16 대한민국(농촌진흥청장) 농산물 맞춤형 선도유지 쇼케이스

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705875A (en) * 1952-11-19 1955-04-12 Gen Motors Corp Multiple deck refrigerated display case
US3147602A (en) * 1961-07-31 1964-09-08 Dual Jet Refrigeration Company Defrost method and means for refrigerated cabinets
US3196626A (en) * 1962-10-24 1965-07-27 Gabler Martin Multi-tiered open bin refrigerated showcases and in method of refrigerating pertaining thereto
EP0089556A1 (de) * 1982-03-22 1983-09-28 Linde Aktiengesellschaft Kühlregal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2705875A (en) * 1952-11-19 1955-04-12 Gen Motors Corp Multiple deck refrigerated display case
US3147602A (en) * 1961-07-31 1964-09-08 Dual Jet Refrigeration Company Defrost method and means for refrigerated cabinets
US3196626A (en) * 1962-10-24 1965-07-27 Gabler Martin Multi-tiered open bin refrigerated showcases and in method of refrigerating pertaining thereto
EP0089556A1 (de) * 1982-03-22 1983-09-28 Linde Aktiengesellschaft Kühlregal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008116476A1 (en) * 2007-03-23 2008-10-02 Carrier Corporation Frigorific sales furniture
WO2008116475A1 (en) * 2007-03-23 2008-10-02 Carrier Corporation Frigorific sales furniture
EP2139367B1 (de) 2007-03-23 2017-09-13 Carrier Corporation Verkaufskühlmöbel
KR20230087010A (ko) * 2021-12-09 2023-06-16 대한민국(농촌진흥청장) 농산물 맞춤형 선도유지 쇼케이스

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