EP0803213A2 - Comptoir frigorifique - Google Patents

Comptoir frigorifique Download PDF

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Publication number
EP0803213A2
EP0803213A2 EP97106774A EP97106774A EP0803213A2 EP 0803213 A2 EP0803213 A2 EP 0803213A2 EP 97106774 A EP97106774 A EP 97106774A EP 97106774 A EP97106774 A EP 97106774A EP 0803213 A2 EP0803213 A2 EP 0803213A2
Authority
EP
European Patent Office
Prior art keywords
counter
filter
goods
counter according
marked
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
Application number
EP97106774A
Other languages
German (de)
English (en)
Other versions
EP0803213B1 (fr
EP0803213A3 (fr
Inventor
Günther Hertel
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.)
Individual
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Individual
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 Individual filed Critical Individual
Publication of EP0803213A2 publication Critical patent/EP0803213A2/fr
Publication of EP0803213A3 publication Critical patent/EP0803213A3/fr
Application granted granted Critical
Publication of EP0803213B1 publication Critical patent/EP0803213B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0408—Cases or cabinets of the closed type with forced air circulation
    • A47F3/0413—Cases or cabinets of the counter type
    • 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
    • A47F3/0482—Details common to both closed and open types

Definitions

  • the invention relates to a refrigerated display counter for perishable foods, in particular for meat products.
  • a counter comprises a counter display with an air flow of particularly cooled air which is guided around it. The air flow is led from the rear of the counter to the front of the counter display and from there in a flow channel back to the rear of the counter, where it emerges from an outlet opening of a flow channel that extends essentially across the counter width and is located above the rear edge of the counter display.
  • a counter of the aforementioned type is known for example from G 83 16 262.3.
  • a fan is arranged in the floor space arranged below the counter display, which draws in the air from the customer side of the counter and blows into the goods area surrounding the counter display via an outlet opening on the operating side.
  • a hygiene filter is arranged in a chute leading downwards from the customer's display. Despite this filter, it cannot be avoided that germs such as bacteria, fungal spores or the like can be found in the floor space which forms part of the flow channel and in the rest of the flow channel. accumulate and multiply there. Such germs can then reach the counter display unfiltered with the air flow.
  • a filter through which the circulating air flow flows to filter out floating particles, bacteria or the like. before, this filter being arranged in the outlet opening of the flow channel and completely covering its clear cross section.
  • This arrangement initially ensures that the air entering the goods space is essentially free of suspended particles, bacteria and the like. is. In any case, it contains fewer such particles than if the circulated air flows through the entire space located below the counter display and the adjoining part of the flow channel, and is particularly enriched with germs in the area of the evaporator, which is known to be a breeding ground for germs can.
  • the fan can now be arranged practically in the immediate vicinity of the outlet opening upstream behind the filter (claim 12).
  • a slow and even circulation of circulating air is sought in the refrigerated counters.
  • the fan is arranged relatively far away from the outlet opening and in particular below the counter display in the floor space in order to avoid air turbulence and different local air flows.
  • a filter arranged according to the invention thus has an air-cleaning effect and at the same time acts as an air-stopping element, which ensures an even, slow air flow.
  • An evaporator is usually also arranged in the floor space, which is problematic in terms of hygiene, particularly when cleaning is not carried out regularly, which should not be the case too often.
  • the filter only has to be detachably, in particular pivotably, fastened in the outlet opening (claim 2). It is also advantageous if the fan can be pivoted out of the outlet opening about a pivot axis extending in the longitudinal direction of the counter. The back of the fan can then be easily cleaned.
  • Such a pivotability of the fan is also advantageous if - as seen in the direction of flow - the evaporator according to claim 14 is located directly behind the fan, so that it can be easily cleaned with the aid of suitable cleaning devices, such as stick brushes, etc., so that the inhibition threshold for thorough cleaning of the problematic areas in terms of hygiene is significantly reduced.
  • the counter body 1 contains an essentially horizontal counter display 2 for supporting goods 3, which is represented here schematically by a spatial body.
  • the goods receiving space 4 above the counter display 2 is shielded by a pivotable counter glazing 5, which is only shown schematically here.
  • the buyer views the goods 3 in the goods receiving room 4 from the front 6.
  • the counter display 2 which is designed here as a horizontal platform for supporting the goods 3, is flowed around by a flow of, in particular, cooled air in the flow direction 7.
  • the flow takes place from the service side 8 of the counter via the counter display 2 or via the goods 3 lying thereon in the direction of the front side 6 and a vertical wall surface 11 parallel to the counter display 2 and fed to the floor space 12.
  • the floor space 12 is enclosed between the counter display 2 and the floor 14 and the air flow is also guided laterally below the counter display 2 by the counter trough 15.
  • the circulating air is fed from the floor space 12 to a cooling unit, which is usually formed by an evaporator 16.
  • the evaporator 16 is located behind the floor space 12 in a riser shaft 17, which represents the end region of the flow channel 20 formed by the fall shaft 9, the floor space 12 and the riser shaft 17.
  • the circulating air rises through the ascent shaft 17 or end region and completes the circulating air cycle described.
  • a fan 19 is positioned above the evaporator 16. It is the drive for the circulating air flow. Its blowing direction is directed obliquely upwards.
  • the filter 19 In the direction of flow or downstream of the fan 18, in the outlet opening 20a of the flow channel 20 there is a filter 19 through which the air flow flows to filter out floating particles, bacteria or the like.
  • the filter 19 is acted upon by the circulating air expelled from the fan 18, which accumulates in front of the filter 19 and is therefore distributed uniformly over its entire surface.
  • the filter 19 namely covers the clear cross section of the outlet opening 20a, so that on the one hand only filtered air and in particular essentially germ-free can penetrate into the area of the goods receiving space 4 and on the other hand there is a uniform, slowed air flow.
  • the outlet opening 20a has the cross-sectional shape of a lying rectangle. It is arranged above the rear edge 21 of the counter display 2. and extends essentially parallel to the counter display 2.
  • the filter 19 is arranged in a hollow profile 22 which covers the outlet opening 20a and has a cross-sectional shape which is constant over the width of the counter.
  • the longitudinal axis of the hollow profile 22 runs in the direction of the longitudinal extent of the counter width and thus perpendicular to the drawing planes of FIGS. 1-3.
  • the hollow profile 22 contains two mutually parallel flank walls 23, 24. Both flank walls 23, 24 are provided with perforations 25 for the passage of the flow.
  • the hollow profile 22 forms the envelope for the filter material 26. Both ends of the hollow profile are closed by a cap or a stopper (not shown). The filter material 26 can be cleaned. For this purpose, the filter 19 can easily be detached from the counter body 1 from its filter position (FIG. 1, 2).
  • the hollow profile 22 has a standing, rectangular cross-sectional shape and the flank walls 23, 24 provided with the perforations 25 are the longer sides of the rectangle.
  • a grip strip 28 is attached to the upper end 27 of the side wall facing the goods receiving space 4.
  • the grip strip 28 is made in one piece with the hollow profile 22 designed as an extruded profile, the extruding direction running perpendicular to the drawing planes of FIGS. 1-3 with the longitudinal axis of the hollow profile.
  • a downward-facing serrated rib 30 is attached at the lower end 29 of the flank wall 24 of the hollow profile 22 on the front side.
  • the sink crib 30 is used for positive engagement in the closed position (FIG.
  • FIG. 4 shows an alternative embodiment of a filter 19. It includes a bracket 42 which is perforated to allow air to flow therethrough.
  • the grip strip 28 is molded onto its upper edge in the assembled state.
  • the lower edge of the carrier which has a substantially rectangular shape, forms the senkrippe 30.
  • a C-shaped support arm 43 is formed, seen in cross section to the longitudinal direction of the counter, which forms a receiving groove 44.
  • a filter element 45 with its lower edge region is inserted into this receiving groove 44.
  • Spacers 46, on which the filter element 45 is supported, are formed on the side of the carrier 42 facing the flow channel 20.
  • the filter material 26 of the filter element is essentially completely surrounded by a perforated sheath 47.
  • the filter element 42 is divided into several partial elements in the longitudinal direction of the counter. To clean the filter 19, the support 42 is swiveled out of its closed position with the aid of the handle 28 and the filter element 45 or the individual sub-elements can then be easily removed from the receiving groove 44 and cleaned.
  • the fan 18 When the filter 19 is removed, the fan 18 is accessible.
  • the fan 19 is fastened to a carrier 38 which is pivotably mounted on its edge facing the goods space 4 about a pivot axis 37.
  • the pivot axis 37 runs in the longitudinal direction of the counter.
  • the fan 19 can be pivoted out of the outlet opening 20a in the direction of arrow 39. It then assumes a position 40 which corresponds to that of the filter 19 folded away from the outlet opening 20a. Its back 41 is then easily accessible and can therefore be cleaned thoroughly. If the fan 18 is in the position 40, the evaporator 16 or another cooling unit used for cooling is also accessible and can be subjected to thorough cleaning.
  • a display for determining the time of a filter cleaning could be determined via an overpressure sensor with a sensor in the flow channel 20 or by means of an acidity sensor.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP97106774A 1996-04-24 1997-04-24 Comptoir frigorifique Expired - Lifetime EP0803213B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19616357 1996-04-24
DE19616357A DE19616357A1 (de) 1996-04-24 1996-04-24 Warenkühltheke
US09/168,898 US6182459B1 (en) 1996-04-24 1998-10-09 Refrigerated case for food products

Publications (3)

Publication Number Publication Date
EP0803213A2 true EP0803213A2 (fr) 1997-10-29
EP0803213A3 EP0803213A3 (fr) 2000-11-08
EP0803213B1 EP0803213B1 (fr) 2003-02-12

Family

ID=26025088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97106774A Expired - Lifetime EP0803213B1 (fr) 1996-04-24 1997-04-24 Comptoir frigorifique

Country Status (4)

Country Link
US (1) US6182459B1 (fr)
EP (1) EP0803213B1 (fr)
DE (2) DE19616357A1 (fr)
ES (1) ES2192631T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0933049A1 (fr) * 1998-01-30 1999-08-04 Lippuner Klimatechnik AG Procédé pour réduire une propagation d'odeurs,présentoir ouvert et son utilisation
EP2545333A2 (fr) * 2010-03-10 2013-01-16 Orrell Limited Armoire réfrigérée

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19957531C2 (de) * 1999-11-30 2003-10-30 Eisfink Max Maier Gmbh & Co Kg Wanne für eine Kühlvitrine
US6981385B2 (en) * 2001-08-22 2006-01-03 Delaware Capital Formation, Inc. Refrigeration system
US6889518B2 (en) * 2001-08-22 2005-05-10 Delaware Capital Formation, Inc. Service case
US6539740B1 (en) 2002-02-01 2003-04-01 Manuel Santana, Jr. Food service display cooler
US7159413B2 (en) * 2003-10-21 2007-01-09 Delaware Capital Formation, Inc. Modular refrigeration system
US7357000B2 (en) * 2003-12-05 2008-04-15 Dover Systems, Inc. Display deck for a temperature controlled case
CN107576127A (zh) * 2017-09-14 2018-01-12 贵州香雪海冷链有限公司 一种新型多功能点菜冷柜
US11906209B2 (en) 2020-02-19 2024-02-20 Hill Phoenix, Inc. Thermoelectric cooling system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016402A2 (fr) * 1979-03-16 1980-10-01 Linde Aktiengesellschaft Réfrigérateur
GB2251928A (en) * 1991-01-17 1992-07-22 Imi Cornelius Chilled display apparatus
JPH06257932A (ja) * 1993-03-10 1994-09-16 Fuji Electric Co Ltd 冷蔵オープンショーケース
JPH0735462A (ja) * 1993-07-20 1995-02-07 Fuji Electric Co Ltd 冷凍機内蔵型ショーケースのフィルタ取付け構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119241A (en) * 1962-09-17 1964-01-28 Recold Corp Refrigerated display and storage fixture
DE3230792C3 (de) * 1982-08-19 1989-02-23 Nax GmbH & Co Ladenbau KG, 6000 Frankfurt Kühlthekeneinheit
DE8316262U1 (de) * 1983-06-03 1984-03-15 Beko Laden+Metallbau Schollenberger KG, 7105 Leingarten Kuehl- bzw. verkaufstheke mit hygienefilter
DE9316571U1 (de) * 1993-10-29 1994-01-05 Sümak Kältetechnik GmbH, 71229 Leonberg Kühltheke mit Luftaustrittskassette

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016402A2 (fr) * 1979-03-16 1980-10-01 Linde Aktiengesellschaft Réfrigérateur
GB2251928A (en) * 1991-01-17 1992-07-22 Imi Cornelius Chilled display apparatus
JPH06257932A (ja) * 1993-03-10 1994-09-16 Fuji Electric Co Ltd 冷蔵オープンショーケース
JPH0735462A (ja) * 1993-07-20 1995-02-07 Fuji Electric Co Ltd 冷凍機内蔵型ショーケースのフィルタ取付け構造

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 663 (M-1723), 14. Dezember 1994 (1994-12-14) & JP 06 257932 A (FUJI ELECTRIC CO LTD), 16. September 1994 (1994-09-16) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 05, 30. Juni 1995 (1995-06-30) & JP 07 035462 A (FUJI ELECTRIC CO LTD), 7. Februar 1995 (1995-02-07) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0933049A1 (fr) * 1998-01-30 1999-08-04 Lippuner Klimatechnik AG Procédé pour réduire une propagation d'odeurs,présentoir ouvert et son utilisation
EP2545333A2 (fr) * 2010-03-10 2013-01-16 Orrell Limited Armoire réfrigérée
US10619908B2 (en) 2010-03-10 2020-04-14 Orrell Limited Refrigeration cabinet
EP2545333B1 (fr) * 2010-03-10 2021-05-26 Orrell Limited Armoire réfrigérée

Also Published As

Publication number Publication date
EP0803213B1 (fr) 2003-02-12
DE19616357A1 (de) 1997-11-06
ES2192631T3 (es) 2003-10-16
US6182459B1 (en) 2001-02-06
DE59709295D1 (de) 2003-03-20
EP0803213A3 (fr) 2000-11-08

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