CN101965141B - Device for generating an air wall in an upright refrigerated cabinet - Google Patents
Device for generating an air wall in an upright refrigerated cabinet Download PDFInfo
- Publication number
- CN101965141B CN101965141B CN200980108316XA CN200980108316A CN101965141B CN 101965141 B CN101965141 B CN 101965141B CN 200980108316X A CN200980108316X A CN 200980108316XA CN 200980108316 A CN200980108316 A CN 200980108316A CN 101965141 B CN101965141 B CN 101965141B
- Authority
- CN
- China
- Prior art keywords
- air
- refrigerator
- slit
- flow
- space
- 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.)
- Expired - Fee Related
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
- A47F3/0439—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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A device for generating an air wall in an upright refrigerated cabinet comprises a primary blower slit for generating a primary air stream in the frontal opening of the upright refrigerated cabinet which forms a thermal separation between the low inside temperature and the ambient air of a higher temperature. No mixing occurs between the primary air stream and the secondary, optionally forced air streams added thereto. The thereby realized great effective heat resistance achieves that the supply of heat from the ambient air to the interior space of the refrigerated cabinet is considerably limited.
Description
Technical field
The present invention relates to a kind of air space that produces and be used for thermal isolation at the device of the air of the second space of the air in the first relatively cold space and relatively hot, the first relatively cold space is refrigerator, refrigerator or be the inside of analog of self-service displaying purpose of the cooling of in advance packaged cooling food, the secondary space of relatively hot namely centers on the space of refrigerator or refrigerator, two spaces are by extending on the substantially vertical principal plane and maximum height is that 2 meters front opening interconnects, this device comprises: be connected to and be positioned near front opening one side and be basically parallel to the main air pump slit of main air pump element of the principal plane of front opening, in order to produce its direction at least roughly towards the front opening opposite flank, at least about flat primary air, this slit extends in the whole relative dimensions of front opening substantially.
Background technology
Such device can be known by WO-A-2006/115824.
Refrigerator, such as vertical type refrigeration built-in wardrobe, and refrigerator often is equipped with cooling air curtain among a small circle, and its Air is supplied on top and is drawn out of in the bottom, so that like this so that the temperature in shelf and the bottom section remains on definite temperature, for example in 0 ℃ of-10 ℃ of scope.
The position pedestrian that the variant of the refrigeration built-in wardrobe of mentioning in the above and it is set up feels cold air.Because the increase of these refrigeration built-in wardrobe length and concentration degree, each limbs is often experienced cold in mode beastly at the supermarket or in other zones, retail market.
Be beastly in summer for such cold of people that those come in summer temp from the outside, and client's buying behavior is had adverse influence.
Another shortcoming is energy loss correspondingly.One of reason of energy loss is that air curtain lower surface cold often overflows or spill.This is because air curtain can not form obstacle for the layer of cold gas that is gathered in the bottom.
The Another reason of energy loss is the air swirl that the pedestrian causes.The result is cold spilling equally.
Further disadvantageous side effect is outside blot coat to occur along air curtain, and it is brought into air curtain equally with low speed flow and hot-air from the top down.
Equally commonly air curtain is that the part is closed or is set forth at the commodity that air curtain sucks net and blocks.Therefore the cold air loss occurs and often fill up into hot-air, this hot-air must be cooled again.
The producer of refrigeration built-in wardrobe has had been noted that this blot coat, for example in WO-A-2006/115824.
Other producer uses controlled secondary airflow in the above for this purpose setting by relying on fan to extract in air.
Other producer wishes conversely that by the above-mentioned secondary airflow at refrigeration built-in wardrobe lower surface and rear portion of mentioning of supply the mode that then again extracts and feed back to secondary airflow on top in this air reduces cold loss.In any case, will generate the newer secondary airflow of low-flow speed near secondary airflow, the structure of wherein describing can be repeated.
The shortcoming that all these solutions have is along with corresponding energy loss, has cold loss and keeps appreciable cold loss.
Summary of the invention
In view of above-mentioned, the invention provides a kind of device of the type that in preface, describes in detail, the feature that this device has is
Two secondary carries air-flow Ss1 secretly and Ss2 is added on each side of primary air Sp, secondaryly carries air-flow secretly and the primary air direction is basic identical;
Ts1＜Tp＜Ts2, wherein,
The secondary temperature of carrying air-flow secretly of-Ts1=inboard,
The temperature of-Tp=primary air,
The secondary temperature of carrying air-flow secretly the in-Ts2=outside;
Air velocity reaches 2-30m/s in the primary air;
Main air pump slit width is preferably 8-15mm in the 5-20mm scope; And,
Along the air pump slit length of airflow direction in the 50-150mm scope; So so do not mix so that carry secretly between secondary airflow Ss1 and the Ss2 primary air Sp and two.
Because condition needs, the air space that adapts by one or more air-flows with being formed along the air distributor of cabinet length by the cabinet top, the necessary single or multiple closures of the front opening of refrigerator, narrow air pump slit width is in the 5-30mm scope, and its Air is flowed to the air guide plate that length is at least 10cm by two edges and forces to enter air distributor.Air speed between these two air guide plates is 2-35m/s.When air-flow moves from this air space, when for example from top to bottom moving, air-flow can be directed to evaporimeter and be cooled subsequently, and, by air distributor, again enter the air space that is positioned at refrigerator thermal wall top.In order finally to move to air space through air distributor, this feedback of air also can be directed to the following and back of cabinet.
Air space can be added in the existing cold air cabinet like this, and perhaps the air wall energy is structured in the cooling circuit of refrigerator.
Because the air speed in the air space, comparing the air curtain loss will significantly lower.
This cooling-air wall also can move to the top from the bottom.Better cold distribution obtains thus in vertical type refrigeration built-in wardrobe.Unless the cold air in inlet flow will be forced upwardly it and not be collected for other purposes.
The present invention has many important application, for example:
1) air distributor of air space, it can be added on the existing refrigerator.Embedded original air curtain will keep use (seeing Fig. 1-7) at this.
2) structure of vertical type refrigerator.Air space is combined with refrigerator at this.For structure and natural law needs, also may provide another air curtain (seeing Fig. 8-11) herein;
3) the distribution of gas case of air space and the merging (seeing Figure 12,13 and 14) with refrigerator of the opening that adjoins the zone, retail market.
According to a concrete aspect of the present invention, the specific features that this device comprises is that the air pump slit is separated into the air pump passage by the separator that extends at airflow direction.In this case, be even more important technically aspect this of relatively low air speed utilizing.
Usually it should be noted that the present invention attempts to be combined with refrigerator or refrigerator application.Also comprise " refrigerator " so it must be understood that the place of any use " refrigerator " word.
Description of drawings
Now with reference to description of drawings the present invention.
Among the figure:
Fig. 1 demonstration is passed known with air curtain and the vertical cross-section of carrying the refrigerator of secondary airflow secretly;
Fig. 2 shows and sets up on the cross section of corresponding diagram 1 as the air distributor according to device of the present invention;
Fig. 3 shows according to servicing unit of the present invention, as increasing newly on the existing refrigerator;
Fig. 4 shows the vertical cross-section that passes according to the device of two air spaces of generation of the present invention;
Fig. 5 shows that corresponding diagram 3 conducts are according to the view of the servicing unit of Fig. 4;
Fig. 6 shows and vertical cross-section according to the similar installation of Fig. 2 device, but wherein the performance of the air-flow of partial response is according to Coanda effect;
Fig. 7 shows the vertical cross-section of the similar layout of arranging according to Fig. 4, is inhaled into and circulates but wherein carry secondary airflow secretly;
Fig. 8 shows with the vertical cross-section according to the another one embodiment of the refrigerator of apparatus of the present invention;
Fig. 9 shows the vertical cross-section according to the layout of Fig. 8, but with the cooled interior loop with at evaporimeter and the fan at top;
The vertical cross-section of layout is passed in Figure 10 demonstration, and its Air air pump slit is positioned at downside rather than top, and each carries respectively effectively utilization of secondary airflow secretly;
Figure 11 shows the vertical cross-section that passes according to the variant of Figure 10 embodiment;
Figure 12 display part vertical cross-section, wherein air distributor is added to such as the installation auxiliary device according to Fig. 3;
Figure 13 shows the corresponding vertical cross-section of embodiment with Figure 12, and wherein the secondary airflow of carrying secretly of active is employed in a closed-loop path;
Figure 14 shows vertical cross-section, with the air-flow of part according to the diagram appointment, is the variant of the air space in the refrigerator in zone, contiguous retail market, and its Air air pump slit is positioned at the bottom;
Figure 15 a shows the perspective view of the local transparent of another embodiment;
Figure 15 b shows the perspective view of the local transparent of another embodiment; With
Figure 16 shows the front view with the refrigerator of the device of the present invention of instructing according to Figure 15.
May with relevant situation under, use identical reference number to indicate identical or corresponding parts of function at least during following accompanying drawing is described.
The specific embodiment
Fig. 1 shows vertical type refrigerator 22, and it is equipped with the device of the air curtain 1 that produces the primary air that comprises the high flow rate that almost has uniformly little thickness and 2-30m/s.Reference number 2 is indicated and is acted on the outside secondary airflow of carrying secretly.The gas of carrying secretly in the secondary airflow 2 is cooled with the result who carries the low flow velocity of air-flow 2 secretly as air curtain 1.The gas of cooling often gathers in the regional extent of cabinet 22 front sides near usefulness 3 signs on ground 23.The inner space of refrigeration built-in wardrobe 22 comprises many for supporting the support body of the food that is demonstrated sale, and it indicates with reference number 4.Cabinet further comprises evaporimeter 5 and the fan 6 of the gas of crossing for cool stream, and this gas circulates in almost closed loop in the mode that Fig. 1 shows.The space of some gases in the air-flow 24 between heat insulation rear wall 25 and inwall 26 in opening 27 arrival support body zones.
Fig. 2 shows upright refrigeration built-in wardrobe 28, and its basic structure is consistent with the structure according to Fig. 1.Yet according to instruction of the present invention, air distributor 29 is added to described cabinet, this case is used to produce air spaces take quick (2-30m/s) air-flow 30 of little thickness (original depth is as 5-20mm), and this air space is positioned at the outside relevant with the air curtain 1 of low speed.
For the secondary airflow 2 of carrying secretly with foundation Fig. 1 differentiates, the outside secondary airflow of carrying secretly is with reference number 2 ' signs, and the outside secondary airflow of carrying secretly is mobile slower after all.
The fact that should be noted that is that breather pipe 8 is formed by heat insulation rear wall 25 and extra thermal wall 33.Thereby cold loss and energy loss therefore keep low as far as possible.
Fig. 3 shows the top of air distributor 29.
Fig. 4 shows the structure according to Fig. 2, but with the extension that forms by the secondary outer gas stream 9 of extra pressure, it forms the extra almost part of closed gas return path.As shown in the figure, air curtain 1, primary air 30, secondary airflow 9 and the outside secondary airflow 2 of carrying secretly are mobile substantially in parallel to each other in opening 34 zones of cabinet 22.
With the structurally associated according to Fig. 2, the available heat that is expressed as the heat resistance between the inner space of the space outerpace of relatively hot and relatively hot in support body 4 zones of cabinet 22 is isolated, even larger according to the structure of Fig. 4, better according to the structure of Fig. 2 according to the structure ratio of Fig. 4.
Fig. 5 shows a plurality of air distributors 35, not only comprises the fan 31 for primary air 30, and comprises the fan 36 for the external secondary air-flow.
In the structure that Fig. 6 shows, refrigerator 37 also is equipped with ligthing paraphernalia 11.As what clearly demonstrate in the drawings, in accordance with the teachings of the present invention, because the result that the air-flow that is sucked by primary air 30 aspirates, air curtain 1 leaves its normal linear track.Produce thus double effects, namely on the one hand as carrying the suction of air-flow and Coanda effect on the other hand secretly, wherein air curtain 1 begins to show as such air-flow.Because in addition structure is consistent with structure according to Fig. 2, miscellaneous part be described in this omission.
In the structure that Fig. 7 shows secondary carry that air-flow 10 is inhaled into secretly and with first carry air-flow 9 secretly and jointly circulate.The a certain amount of of the air that is inhaled in the bottom must be discharged by steam vent 12, to guarantee balance.
The structure hollow gas that Fig. 8 shows is cooled off by evaporimeter 5, and evaporimeter 5 is positioned at the refrigerator top with the pressure fan 13 that connects.In order to cool off the food that is supported by support body 4, cold air is carried downwards via adjustable opening 14.
The structure that Fig. 9 shows is with respect to the structure according to Fig. 8, but this structure has the cooled interior loop, comprises the evaporimeter 38 and the fan 39 that all are arranged on the top.
Figure 10 shows to have the structure of vertical type cooling refrigeration built-in wardrobe, upwards flows from the bottom according to the present invention according to the primary air of this structure in air space.The secondary airflow 16 of carrying secretly in internal flow also upwards flows, and possible whereby " whereabouts " cold air equally upwards flows.Then this air-flow passes through static evaporimeter 17.Come the refrigerating gas of flash-pot 17 automatically to move down and pass through the space that opening 27 arrives support bodys 4.In this structure, pressure fan 13 extracts in the bottom.Itself does not have technical reason; It is arranged on the top and has identical effect.
Being positioned at the outside secondary airflow 18 of carrying secretly also moves up.This air can be used to the condenser of cooling settings the cooling group 19 there at the top.The control optimization of equipment is with this further increase.
The structure that Figure 11 shows can be considered to the variant according to Figure 10 structure.Ventilation evaporimeter 5 with low pressure fan 6 is used for replacing static evaporimeter 17.Closed air loop adopts substantially according to the identical form of Figure 10 structure in this embodiment.
The middle air distributor 29 according to Fig. 3 that arranges that Figure 12 shows is connected with the wall 40 of the refrigerator 41 that is close to zone, retail market 42 substantially.
Carrying secondary outer gas stream 20 secretly also occurs in the mode that this embodiment shows.
Figure 13 shows the variant that arranges according to Figure 12, the outside that wherein shows according to diagram is carried the part that air-flow 21 forms the closed-loop path secretly, be included in the air pump element 43 on top, suction element 44 in the bottom, this suction element is connected on the air pump element via illustrated suction manifold 46 with fan 45.
Figure 14 schematically shows the variant of air space, and this variant is based on according to quick, thin primary air 30 of the present invention, and at the entrance of the refrigerator 41 that is close to zone, retail market 42, air-flow 30 moves up.This setting is with more approaching according to arranging of Figure 10 and Figure 11.This relation also is apparent in the display mode of secondary airflow 16 and 18.
In the structure according to above-described embodiment according to the present invention, relevant air-flow is transferred via the air pump slit that prolongs, and the length of air pump slit is consistent with the related size of relevant refrigerator to a great extent.In order to save the energy, also can use less pipe that cold air is delivered to relevant position and discharge.This divides timing at air also is such situation.This shows that enough inking devices are possible to left side or right side with respect to cabinet.In no case a plurality of separation layers need to be set in cabinet.Its omission so that the structure of cabinet more simply and more cheap, although the possible shortcoming of slight lower efficient is arranged.
Figure 15 a and 15b show the variant of refrigerator, are added into wherein according to air space device of the present invention.
Figure 16 shows the front view that has according to the refrigerator of device of the present invention, and this refrigerator is provided with the support body 4 for the food that supports sale displaying.
Be used for arranging separately according to air wall energy of the present invention, be used for from the relatively cold hot surrounding air of isolating relatively hot of air of refrigerator or refrigerator inside.If the difference of the temperature of single air space is little, little thermal losses will be had.
In situation about arranging according to two parallel air spaces of the present invention, the thermal losses of the air space of each application will further reduce.
In the situation of independent air space or two or more parallel air spaces, if other be inhaled into the secondary airflow that air augments and be used for identical direction, then then can realize especially little thermal losses.The function of these increases must balance be used to the energy that the pressure fan of each forced draft needs.
If wish the top at the refrigeration built-in wardrobe air distributor of air space is set, the ligthing paraphernalia that prolongs so may form obstruction.Possiblely in this case be, take illumination component, place there air distributor, and place again thereon illumination component subsequently.Usually need to guarantee that in this case air air pump slit direction is adjustable, namely so that produce primary air at bottom of cabinet bulk.Being intended that of this point separates cold internal gas flow loop with air space.
Advantage of the present invention is can simplified summary as follows:
1) has efficient thermal resistance in the position of vertical openings, greatly limited whereby energy loss.
2) temperature in cabinet interior space can maintain better one among a small circle in.
3) according to of the present invention simple in structure, cheap and effective.
4) refrigerator can satisfy less cooling device and more cheap therefrom.
5) existing refrigerator can dispose according to device of the present invention, and the existing whereby and very durable refrigerator that remains unchanged does not need to replace.
6) secondary airflow of carrying secretly by the cooler condenser that is used to do for oneself realizes higher optimized coefficients.
7) the present invention also can use when selling from refrigerator.
8) also can be applicable to ligthing paraphernalia according to structure of the present invention and be arranged on situation in the refrigerating space.
List of references:
WO-A-2006/115824
Claims (19)
1. produce to be used for thermal isolation at the device of the air space of the air of the second space of the air in the first relatively cold space and relatively hot, the first space is refrigerator, refrigerator or be the space of self-service displaying purpose of the cooling of in advance packaged cooling food, second space namely centers on the space of refrigerator or refrigerator, this two spaces are via extending at substantially vertical principal plane, maximum height is that the front opening of 2m interconnects, this device comprises: be connected near front opening one side and be basically parallel to the main air pump slit of the main air pump element that the front opening principal plane arranges, in order to produce its direction at least substantially towards the opposite flank of front opening, at least about flat primary air, this slit extends in the relative dimensions of whole front opening substantially, it is characterized in that:
Two secondary carries every side that air-flow Ss1 and Ss2 are added to primary air Sp secretly, and the secondary air-flow of carrying secretly has and the essentially identical direction of primary air;
Ts1＜Tp＜Ts2, wherein:
The secondary temperature of carrying air-flow secretly of-Ts1=inboard;
The temperature of-Tp=primary air
The secondary temperature of carrying air-flow secretly the in-Ts2=outside;
Air speed reaches 2-30m/s in the primary air;
The width of main air pump slit in the 5-20mm scope, and
The air pump slit is in the 50-150mm scope in the length of airflow direction;
This does not mix in order to carry secretly between secondary airflow Ss1 and the Ss2 primary air Sp and two.
2. device according to claim 1 is characterized in that: the air pump slit is divided into the air pump passage by the sept that extends at airflow direction.
3. device according to claim 2, comprise the suction element that is positioned at the opposite side of front opening, it has the suction slit of the substantially rhombus that is parallel to substantially the extension of air pump slit, this suction slit has and the essentially identical length of main air pump slit, and the suction slit is connected to the exhauster(-tor device.
4. device according to claim 3, wherein main air pump slit is connected to the suction slit via pipe, and the pipe blower device of setting is main air pump fan assembly and exhauster(-tor device, so that air space forms the substantially part of closed-loop path.
5. device according to claim 1, wherein primary air and carry secondary airflow secretly and move in the vertical direction.
6. device according to claim 3 wherein aspirates the width of slit and is arranged so that it only aspirates primary air Sp substantially.
7. device according to claim 3, wherein for the air-flow that constantly passes through of equalization, some equally distributed Passive Control valves are added on the suction slit, so that identical air-flow is by each lengthwise position, so that the air in corresponding air flow flows along the straight path on any lengthwise position substantially.
8. device according to claim 1, wherein the position of air pump slit and direction are adjustable.
9. device according to claim 1 comprises at least two air pump slits that are parallel to each other.
10. device according to claim 4, wherein pipe is heat-insulating.
11. device according to claim 9 is used to be added to refrigerator or built in the refrigerator of the open wall that adjoins the zone, retail market.
12. device according to claim 11, this device merges with refrigerator.
13. device according to claim 1, wherein according to the Coanda effect about primary air, the operation of the arc air curtain of existing refrigerator.
14. device according to claim 5, wherein refrigerator arranges static evaporator as cooling element, and wherein the secondary air-flow of carrying secretly provides air to evaporimeter.
15. device according to claim 11, wherein refrigerator is provided with the evaporimeter of fan, should be positioned at the evaporimeter of fan bottom or top.
16. device according to claim 8, wherein the air air pump slit of at least two levels is arranged on downside and is blown along horizontal direction almost on top from the air that is positioned at outermost air slots.
17. device according to claim 16, wherein from the air of outermost air slots in order to cool off the condenser that offers cooling device, to obtain augmented performance coefficient (COP).
18. according to the described device of aforementioned any claim, the outside that wherein increases is carried air-flow secretly and is inhaled into refrigerator and feeds back to the supply distribution case with air pump slit via fan assembly, so that corresponding air-flow forms the substantially part of closed-loop path.
19. device according to claim 18, wherein air-flow is supplied to and discharges through at least one air distributor, this air distributor is connected to the relevant tube of basic square-section form, so that fan can be set and be provided with cooling element and the evaporimeter of cooling group at opposite side, perhaps in can being arranged on a case on refrigerator top, hold described cooling element and evaporimeter in a case of refrigerator one side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2001356 | 2008-03-09 | ||
| NL2001356 | 2008-03-09 | ||
| PCT/NL2009/050109 WO2009113848A2 (en) | 2008-03-09 | 2009-03-09 | Device for generating an air wall in an upright refrigerated cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101965141A CN101965141A (en) | 2011-02-02 |
| CN101965141B true CN101965141B (en) | 2013-03-13 |
Family
ID=40934077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980108316XA Expired - Fee Related CN101965141B (en) | 2008-03-09 | 2009-03-09 | Device for generating an air wall in an upright refrigerated cabinet |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110314857A1 (en) |
| EP (1) | EP2257202A2 (en) |
| CN (1) | CN101965141B (en) |
| NL (1) | NL2002604C2 (en) |
| WO (1) | WO2009113848A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747709B (en) * | 2011-09-02 | 2016-08-31 | 开利公司 | Furniture is sold in cold preservation |
| US9538858B2 (en) | 2013-03-12 | 2017-01-10 | Hussmann Corporation | Dual temperature refrigerated display case |
| FI20135875L (en) * | 2013-08-30 | 2015-03-01 | Norpe Oy | Rear-loading refrigerator |
| GB2627470A (en) * | 2023-02-22 | 2024-08-28 | Wirth Res Limited | An extraction apparatus and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3233423A (en) * | 1962-12-26 | 1966-02-08 | Dual Jet Refrigeration Company | Refrigerated cabinet with circulating air panels |
| DE1279697B (en) * | 1961-05-17 | 1968-10-10 | Chicago Stock Yards Turbo Refr | Cool showcase with open access opening |
| DE1501248A1 (en) * | 1965-08-06 | 1970-02-12 | Emhart Corp | Refrigerated show or demonstration boxes |
| CN101087547A (en) * | 2004-12-21 | 2007-12-12 | 开利商业冷藏公司 | Multi-band air curtain separation barrier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6874331B2 (en) * | 2002-05-17 | 2005-04-05 | Manitowoc Foodservice Companies, Inc. | Device and method for creating a horizontal air curtain for a cooler |
| US8647183B2 (en) | 2005-04-25 | 2014-02-11 | Hill Phoenix, Inc. | Air curtain system for a refrigerated case |
-
2009
- 2009-03-09 EP EP09719120A patent/EP2257202A2/en not_active Withdrawn
- 2009-03-09 NL NL2002604A patent/NL2002604C2/en not_active IP Right Cessation
- 2009-03-09 US US12/736,087 patent/US20110314857A1/en not_active Abandoned
- 2009-03-09 CN CN200980108316XA patent/CN101965141B/en not_active Expired - Fee Related
- 2009-03-09 WO PCT/NL2009/050109 patent/WO2009113848A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1279697B (en) * | 1961-05-17 | 1968-10-10 | Chicago Stock Yards Turbo Refr | Cool showcase with open access opening |
| US3233423A (en) * | 1962-12-26 | 1966-02-08 | Dual Jet Refrigeration Company | Refrigerated cabinet with circulating air panels |
| DE1501248A1 (en) * | 1965-08-06 | 1970-02-12 | Emhart Corp | Refrigerated show or demonstration boxes |
| CN101087547A (en) * | 2004-12-21 | 2007-12-12 | 开利商业冷藏公司 | Multi-band air curtain separation barrier |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2002604A1 (en) | 2009-09-10 |
| WO2009113848A2 (en) | 2009-09-17 |
| WO2009113848A3 (en) | 2009-11-05 |
| US20110314857A1 (en) | 2011-12-29 |
| CN101965141A (en) | 2011-02-02 |
| NL2002604C2 (en) | 2009-11-03 |
| EP2257202A2 (en) | 2010-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2795143C (en) | Improvements in or relating to refrigerated display appliances | |
| US8647183B2 (en) | Air curtain system for a refrigerated case | |
| CN101965141B (en) | Device for generating an air wall in an upright refrigerated cabinet | |
| CN208225363U (en) | Advertisement machine cooling system | |
| CN103017289A (en) | High-efficient cold air circulation air curtain system of display cabinet | |
| CN103300640A (en) | Efficient cold air cycle air curtain system of display cabinet | |
| CN101911135A (en) | Automatic vending machine | |
| EP3474706A1 (en) | Display unit for storing and displaying heated goods, and use of a display unit | |
| CN104180584A (en) | Damping stepped air curtain structure of freezer | |
| CN104021730A (en) | Digital display device | |
| CN204043277U (en) | A kind of refrigerator damping staged air curtain structure | |
| CN103794143A (en) | Outdoor display device | |
| CN102038387B (en) | Refrigerating display case | |
| JP2008190825A (en) | Air conditioning system for shop | |
| JP2007209513A (en) | Storage apparatus, and temperature control method thereof | |
| CN206709485U (en) | The cold air circulating structure and cakes cabinet of a kind of cakes cabinet | |
| JP4935683B2 (en) | Showcase cooling system | |
| CN203102758U (en) | Digital display device | |
| AU2005100680A4 (en) | Refrigeration system with dual evaporator | |
| CN207262783U (en) | A kind of air quantity diversion structure of air curtain | |
| CN2912392Y (en) | Dual-purpose showcase for both hot goods and cold goods | |
| CN205961653U (en) | Uniform heat dissipation temperature control device and cabinet type device thereof | |
| CN108430277A (en) | Refrigerate selling device | |
| CN220135796U (en) | Leeward type refrigerated cabinet | |
| CN215077069U (en) | Cold and hot show cupboard with circulation wind channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140309 |