EP0545882A1 - Offene Kühltheke mit Zwangs-Luftumwälzung - Google Patents
Offene Kühltheke mit Zwangs-Luftumwälzung Download PDFInfo
- Publication number
- EP0545882A1 EP0545882A1 EP92870192A EP92870192A EP0545882A1 EP 0545882 A1 EP0545882 A1 EP 0545882A1 EP 92870192 A EP92870192 A EP 92870192A EP 92870192 A EP92870192 A EP 92870192A EP 0545882 A1 EP0545882 A1 EP 0545882A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- evaporator
- base plate
- aforementioned
- plate
- air
- 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
Images
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
- A47F3/0482—Details common to both closed and open types
- A47F3/0495—Spraying, trickling or humidifying means
-
- 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
Definitions
- This invention relates to a refrigerated counter of the ventilated open type which consists, inter alia, of a lower plate and a base plate intended for the exposure of products (food) between which refrigerated air cooled by cooling elements is circulated by several fans arranged along the length of these plates.
- Such refrigeration counters are known. They are mainly used in the food sector.
- the object of the invention is to prescribe a refrigeration counter of the type described in the preamble, a counter whose performance is significantly improved.
- a very favorable humidity level is that in which the humidity level comprises 75-85 ° C above the products for an ambient temperature of approximately 22 ° C in the store space.
- the aforementioned longitudinal outlet slot is profiled in such a way between the longitudinal edges of the aforementioned lower plate and of the base plate that the cooled air which escapes therefrom is directed towards the products (food ) resting on the base plate.
- a detail of the invention lies in the fact that there is disposed, between the aforementioned fan and the first evaporator, a perforated deflector plate in order to optimize the distribution of air over the aforementioned evaporator.
- Figure 1 is a cross section through the essential elements of a refrigeration counter according to the invention.
- Figure 2 is a cross section through the deflector plate disposed above the first evaporator. (cut to a larger scale).
- the refrigeration counter according to the invention essentially consists of the following essential elements, namely a lower plate 1, and a base plate 2.
- the base plate 2 is connected, at the rear of the counter, to a vertical plate 3, while the lower plate 1 is transformed into a vertical part 4.
- the distance between the bottom plate 1 and the base plate 2 is wide enough to include two evaporators at such a distance from these plates that one should not fear the icing essentially of the base plate.
- the refrigeration counter successively comprises (this expression is used when considering the direction of movement of the air from the rear to the front) a fan 5 and a first evaporator 6 followed by a second evaporator 7 and then a third or last evaporator 8.
- Under the first evaporator 6 is provided at least one small gutter 9 to capture the condensation water.
- a defrost resistor 10 is provided in this gutter 9.
- an evaporator comprising twenty pipes and having a distance of approximately 12 mm between the fins.
- This first evaporator 6 is mounted in a housing 6 '.
- This box 6 ′ is completely open at its upper part and completely closed at its rear part, and open for a third at its front part.
- the housing 6 ' At its lower part the housing 6 'has an inclined plate 6''which is open to a third.
- This is also designed to direct the cooled air to the evaporator 7.
- the third evaporator 8 there are preferably six pipes with a distance of approximately 12 mm between the fins.
- the distance between the evaporators and the bottom plate 1 is approximately 2 cm so that during the icing of the evaporators 7 and 8, the passage of air is not impeded.
- a small gutter 11 equipped with a heating resistor 12.
- the water which is in this small gutter 11 is heated to a temperature which is between approximately 30 ° and 40 ° C. Thanks to this gutter fitted with a heating resistor between the evaporators 7 and 8, an outlet temperature is obtained which is between approximately 0 ° and -3 ° C.
- the lower plate 1 is folded itself in the form of a deflector or is provided at its front part with a curved plate element 14. Facing this element plate 14, the base plate 2 is equipped with a folded edge 2 'so that the cooled and highly humidified air can be spread according to the desired scheme over the products (see arrow 15).
- the desired temperatures and humidity levels are maintained during normal use of the counter.
- Products (food) stored in the counter must, when introduced into the counter, be cooled beforehand while the ambient air temperature cannot be above about 22 ° C with a degree of humidity of at least 60%.
- FIG. 2 shows a cross section of such a plate. Thanks to the presence of this perforated deflector plate, optimal spreading of the air propelled by the fan 5 along the elements of the first evaporator 6 is guaranteed.
- Advantages of open refrigerated counters according to the invention are regular cooling and small temperature differences which, thanks to the presence of the longitudinal outlet slot 13 guarantees optimal spreading of the cold and humid air flow on the products. .
- the very fine mist and slow dispersion which forms an icing mist increases the outlet air which spreads very evenly over the products (food) exposed.
- the growth of bacteria is practically excluded thanks to the presence of very cold air above the gutter 11 which acts as an evaporation gutter.
- the open gutter intended to receive water has, in particular, the advantage that a vapor phase arises and that there is therefore no fear of algae growth.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9101088A BE1005502A3 (nl) | 1991-11-27 | 1991-11-27 | Koeltoonbank van het open geventileerde type. |
BE9101088 | 1991-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0545882A1 true EP0545882A1 (de) | 1993-06-09 |
EP0545882B1 EP0545882B1 (de) | 1995-11-02 |
Family
ID=3885820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920870192 Expired - Lifetime EP0545882B1 (de) | 1991-11-27 | 1992-11-27 | Offene Kühltheke mit Zwangs-Luftumwälzung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0545882B1 (de) |
BE (1) | BE1005502A3 (de) |
DE (1) | DE69205808T2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2756622A1 (fr) * | 1996-12-04 | 1998-06-05 | Vachez Isabelle | Dispositif de maintien de denrees en ambiance froide et table comprenant un tel dispositif |
FR2821730A1 (fr) | 2001-03-08 | 2002-09-13 | Fun Air | Vitrine refrigeree pour la presentaiton de produits alimentaires |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009020946B3 (de) * | 2009-05-12 | 2010-11-04 | Kunststoff- Und Blechverarbeitung Burkhardt Gmbh | Präsentationstisch für zu kühlende Lebensmittel |
DE202009006837U1 (de) | 2009-05-12 | 2009-08-20 | Kunststoff- Und Blechverarbeitung Burkhardt Gmbh | Präsentationstisch für zu kühlende Lebensmittel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2660864A (en) * | 1951-08-15 | 1953-12-01 | C V Hill & Company Inc | Refrigerated display case |
DE1946787A1 (de) * | 1969-09-16 | 1971-04-22 | Graebner & Kretzschmar Ohg | Kuehltheke mit Umwaelzung der Kuehlluft |
DE2029354A1 (en) * | 1970-06-13 | 1971-12-30 | Wescho Ladenbau Hesterberg, Weishaupt, Schölling KG, 5800 Hagen-Haspe | Foodstuffs refrigeration and humidification - using refrigeration cycle condenser to evaporate liquid to humidify |
FR2609611A1 (fr) * | 1986-12-26 | 1988-07-22 | Tyler Refrigeration Gmbh | Meuble presentoir de denrees a refrigeration par circulation forcee ou naturelle |
-
1991
- 1991-11-27 BE BE9101088A patent/BE1005502A3/nl not_active IP Right Cessation
-
1992
- 1992-11-27 EP EP19920870192 patent/EP0545882B1/de not_active Expired - Lifetime
- 1992-11-27 DE DE1992605808 patent/DE69205808T2/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2660864A (en) * | 1951-08-15 | 1953-12-01 | C V Hill & Company Inc | Refrigerated display case |
DE1946787A1 (de) * | 1969-09-16 | 1971-04-22 | Graebner & Kretzschmar Ohg | Kuehltheke mit Umwaelzung der Kuehlluft |
DE2029354A1 (en) * | 1970-06-13 | 1971-12-30 | Wescho Ladenbau Hesterberg, Weishaupt, Schölling KG, 5800 Hagen-Haspe | Foodstuffs refrigeration and humidification - using refrigeration cycle condenser to evaporate liquid to humidify |
FR2609611A1 (fr) * | 1986-12-26 | 1988-07-22 | Tyler Refrigeration Gmbh | Meuble presentoir de denrees a refrigeration par circulation forcee ou naturelle |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2756622A1 (fr) * | 1996-12-04 | 1998-06-05 | Vachez Isabelle | Dispositif de maintien de denrees en ambiance froide et table comprenant un tel dispositif |
WO1998024346A1 (fr) * | 1996-12-04 | 1998-06-11 | Ortion, Didier | Dispositif de maintien de denrees en ambiance froide |
GB2334325A (en) * | 1996-12-04 | 1999-08-18 | Didier Ortion | Device for keeping food in a cold environment |
GB2334325B (en) * | 1996-12-04 | 2001-05-16 | Didier Ortion | Apparatus for keeping food in a cold environment |
FR2821730A1 (fr) | 2001-03-08 | 2002-09-13 | Fun Air | Vitrine refrigeree pour la presentaiton de produits alimentaires |
Also Published As
Publication number | Publication date |
---|---|
BE1005502A3 (nl) | 1993-08-31 |
EP0545882B1 (de) | 1995-11-02 |
DE69205808T2 (de) | 1996-05-23 |
DE69205808D1 (de) | 1995-12-07 |
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