Abstract: An air cooling and control system for a refrigerated food merchandiser having an insulated cabinet with a product are having adjacent product zones, plural modular evaporator coil sections of substantially equal heat exchange potential and being of predetermined length and arranged in horizontal, spaced, end-to-end predetermined disposition and separate air moving means associated with each coil section and a corresponding product zone for circulating separate air flows through the coil sections and to the product area for cooling. The system further includes a first refrigerant metering valve for controlling liquid refrigerant flow on the high side of the evaporator sections, and a second refrigerant metering valve for controlling suction pressure and refrigerant vapor flow on the low side of the evaporator sections. An electronic control senses exit air temperatures downstream of the evaporator sections and operates the second metering valve in response thereto.

Abstract: The invention relates to a bottle cooler where bottles, cans and similar containers, preferably containing beverages, are offered for sale in cooled condition comprising a cooling machine (3, 5, 7) for cooling air which is supplied to the bottles (14), etc. The bottle cooler is built up on a standing pipe (1), which below is assigned a blower/fan means (2) in order to drive cooled air up through the pipe (1), which above is provided with at least one opening (1"), through which the cooled air flows out from the pipe (1) which, in the upper portion thereof, is surrounded by an air flowing-down and bottle accommodating chamber, and, at a certain distance below the lower edge of the hood (17), a bottle supporting shelf (13) is disposed, from where the bottles (14) are available for the purchasing public, and which is surrounded by a lateral supporting wall or the like (15) for the bottles, said wall (15) being formed with holes.

Abstract: A refrigerated display case having an upper display space for food products at a temperature above freezing, and a lower wall display space for food products at a temperature below freezing, a single set of refrigeration coils adjacent said well, with refrigerated air propelled from said coils during the refrigeration cycle to both the upper and lower spaces, including across the open top of the lower space, and through the upper space between its shelves and its front doors, and with warmed defrost air during the defrost cycle flowing through the coils and circulated only around the lower space while air in the upper space remains substantially dormant.

Abstract: A humidified cigar showcase is provided having a closed cabinet defining an interior with a plurality of partitions such as shelves or drawers. Moist air is supplied to one side of the interior through a supply plenum and withdrawn from an opposite side through a return plenum, creating a horizontal humid airflow through channels defined between the partitions. The plenums are arranged in a rear wall of the showcase to have an inconspicuous profile and so that the showcase interior may be viewed through windowed side panels. The humidity is maintained with a humidistat which controls a fan. The fan drives the airflow, withdrawing moisture from a water reservoir and delivering the humid airflow through the plenums. Baffles may be provided in the plenums to vent airflow more uniformly along the plenums.

Abstract: A barrel-type refrigerator system and drain pan for use in refrigerating food products. The barrel-type refrigerator system includes an upper food compartment, middle coil-fan compartment, and a lower compressor compartment. The barrel-type refrigerator system works by using a forced cooled air system which will force cold air through an irregularly shaped refrigerator product zone and having the same air returned to the coil-fan compartment. The system will be set upon a system of caster wheels such that it may be moved to any location of a store by one individual.

Abstract: A multisided refrigerated display cabinet preferably being hexagonal in cross section and at least one door for accessing the interior product compartment from one side. Rotatable or non-rotatable shelves are provided within the display compartment. Three alternating insulated walls each include a recessed air duct leading from a refrigeration unit within a base of the display cabinet upwardly into the product compartment and opening to the product compartment. Three lights are mounted within the walls of the cabinet at locations substantially equally space about the periphery of the product compartment. Each major outer surface of the display cabinet also includes an adjustable bumper pad for protecting that surface from the impact of shopping carts and the like.

Abstract: This invention relates to a cool air supply apparatus for maintaining a homogeneity of cool air distribution in a cold-storage room includes a cool air guiding part for guiding cool air generated from a compressor to the cold-storage room and a cool air spouting part (104, 107, 109) having multiple spouting holes (104' and 109') for spouting the cool air supplied from the cool air guiding part from the walls and door of the cold-storage room.

Abstract: A merchandiser for merchandising refrigerated food products comprised as a support structure having two ends, refrigerated merchandising shelves spanning between the ends of the support structure, and a refrigerator for refrigerating product located on the refrigerated merchandising shelves. Each shelf is individually supplied with refrigerated air from the refrigerator. The merchandiser is placed adjacent checkout aisle with one end of the merchandiser abutting an end of the checkout counter, and preferably the express lane checkout counter. Refrigerated food products are thereby accessible and removable from the refrigerated merchandising shelves of the merchandiser from either side of the merchandiser as customers pass down the aisles to the express lane checkout stations.

Abstract: A heat transfer device for cooling a fluid has powered means for moving the fluid to create a primary fluid flow, a heat exchanger, and direction controlling surfaces for directing the primary fluid flow toward and through a first portion of the heat exchanger, thereby cooling the fluid flow. The direction controlling surfaces then split the primary fluid flow into a first and second subsidiary fluid flow, and direct the second subsidiary fluid flow through a second portion of the heat exchanger, thereby cooling it to a second temperature which is lower than the first temperature.

Abstract: A merchandising display including a housing enclosing a product display compartment having at least two adjacent columns of circularly shaped shelves rotatably mounted within the display compartment. When viewed in top plan view, the housing includes a front side having two doors which angle rearwardly to two outwardly curved side walls which are connected by a generally flat rear wall. The columns of circular shelves are disposed within the product compartment so as to be closely adjacent each other as well as the inner concavely shaped surfaces of the side walls. This creates a central air circulation path in the rear of the product compartment defined between the columns of circular shelves and the rear wall. A partition is secured to the rear wall at this central location and includes a plurality of apertures for directing cooled air from the air circulation path to the products on the shelves.

Abstract: A portable refrigerated display case adapted to be positioned upon a shelf or other elevated support surface includes a main housing defining an enclosed display area for displaying beverages or other food products and an integral refrigeration system. In a first embodiment, the entire refrigeration system is self contained within the display housing. In a second embodiment, only the evaporator portion is disposed within the display housing, with the remainder of the refrigeration system being disposed within a remotely positionable housing and connected to the evaporator portion by a pair of flexible houses.

Abstract: A cooler chest has an open top which may be covered or uncovered by removable doors. A plurality of downwardly directed jets around the upper periphery of the chest forces cold air into the bottom of the chest, thereby displacing warm air from the chest and into the ambient atmosphere. The cold air in the chest is drawn through an evaporator coil for further cooling and then returned to the jets at the upper periphery for a continued cooling of the chest.

Abstract: This cooler refrigeration system is for a cooler (10) having a storage compartment (12) including opposed side walls (16) an upper wall (18), a lower wall (20), and front and rear walls (22, 24) at least one of said front and rear walls (22, 24) providing an access door. The storage compartment (12) includes a circulation system (30) including a duct (32) disposed below the upper wall (18) providing an air inlet (34) in the midportion and air outlets (36) at the opposed end portions. The circulation system (30) provides two counter air flow paths A1, A2 by drawing air upwardly through the air inlets (34) by fans (40), cooling said air by directing the air outwardly across coils (38) disposed between each air inlet (34) and each air outlet (36) and directing said cooled air downwardly through each air outlet (36) and guiding the air along opposed side walls (16) to said lower wall (20) to be again drawn upwardly into the air inlet (34).

Abstract: A modular refrigeration apparatus containing a cabinet with a front opening and divided into lower and upper portions, for separately receiving a plurality of removable modular units, said removable modular units including one of a selected plurality of interchangeable storage units and a universal refrigeration unit. A selected one of the plurality of interchangeable storage units is positioned within the upper portion of the cabinet for storing a plurality of containers. The refrigeration unit is positioned within the lower portion of the cabinet and in communication with the upper portion for cooling the entire interior of the cabinet. The cabinet is designed so that the interchangeable storage units and refrigeration unit can be respectfully removed or inserted from the cabinet without affecting the other units.

Abstract: A modular refrigeration apparatus containing a cabinet with a front opening and divided into lower and upper portions, for separately receiving a plurality of removable modular units, said removable modular units including one of a selected plurality of interchangeable storage units and a universal refrigeration unit. A selected one of the plurality of interchangeable storage units is positioned within the upper portion of the cabinet for storing a plurality of containers. The refrigeration unit is positioned within the lower portion of the cabinet and in communication with the upper portion for cooling the entire interior of the cabinet. The cabinet is designed so that the interchangeable storage units and refrigeration unit can be respectfully removed or inserted from the cabinet without affecting the other units.

Abstract: A modular refrigeration apparatus containing a cabinet with a front opening and divided into lower and upper portions, for separately receiving a plurality of removable modular units, said removable modular units including one of a selected plurality of interchangeable storage units and a universal refrigeration unit. A selected one of the plurality of interchangeable storage units is positioned within the upper portion of the cabinet for storing a plurality of containers. The refrigeration unit is positioned within the lower portion of the cabinet and in communication with the upper portion for cooling the entire interior of the cabinet. The cabinet is designed so that the interchangeable storage units and refrigeration unit can be respectfully removed or inserted from the cabinet without affecting the other units.

Abstract: A door structure, for use in combination with upright refrigerator and freezer spaces, which utilizes heat transfer by forced convection, of the kind used in everyday commodity stores to display goods on sale. The door has two glass panes which together with a frame embracing the edges of the glass panes, either completely or partially, form a door leaf. The glass pane which faces towards the warm atmosphere of a shop area is provided on the surface thereof facing away from the shop area with an electrically conductive coating, which is operative to heat the outer pane electrically. The door has solely two mutually parallel glass panes, of which the glass pane facing towards the colder refrigerator or freezer space is provided on the surface thereof which faces towards the colder space solely with an infrared radiation reflective coating or layer.

Abstract: Disclosed is a process for supplying cold to at least one refrigerated enclosure particularly an open enclosure for the display and sale of fresh products in a supermarket, characterized in that:a) in the sales point are disposed said open enclosures provided in manner known per se with cold air dispensing and recovery nozzles, passing through the interior of the enclosures, the air streams sweeping the products displayed and the air heating up by taking calories exchanged from the products;b) there is positioned in a zone offset with respect to said enclosures and chosen for its convenient access, an air cooling plant principally comprising an evaporator of refrigerant liquid-gas and a ventilator, this plant is furthermore supplied with refrigerant by a refrigerating unit;c) the cold air coming from the evaporator of said plant is entrained by forced circulation through appropriate pipes towards said enclosures, the cold air coming from the air cooling plant being delivered to cold air dispensing nozzles ser

Abstract: A merchandiser for merchandising refrigerated food products comprised as a support structure having two ends, refrigerated merchandising shelves spanning between the ends of the support structure, and a refrigerator for refrigerating product located on the refrigerated merchandising shelves. Each shelf is individually supplied with refrigerated air from the refrigerator. The merchandiser is placed adjacent checkout aisle with one end of the merchandiser abutting an end of the checkout counter, and preferably the express lane checkout counter. Refrigerated food products are thereby accessible and removable from the refrigerated merchandising shelves of the merchandiser from either side of the merchandiser as customers pass down the aisles to the express lane checkout stations.

Abstract: A display cabinet which refrigerates containers of flowers by forcing a flow of cold air into holes in the bottom of each container and up through the flowers stored therein. The containers of flowers are inserted into a plurality of openings in a product support stand which rests on top of a refrigerated area. The openings which do not have containers of flowers inserted therein are biased to a closed position. The flow of cold air is adjusted according to the number of containers inserted into the product support stand.

Abstract: A new and improved hot oven countertop display station is provided in a hot oven countertop display unit having a reclosable front door panel opening and an integral upper sign and menu board structure. A dispenser display rack is provided in the oven compartment for supporting flanged food packages in gravity feed arrays of columns and rows terminating at the front door opening. The rack has been designed to reduce or eliminate the presence of any heated rack surfaces at the front opening of the oven. An optional refrigerated condiment dispensing display may be located adjacent the hot oven display to complete the self-service food station. The hot oven countertop food station provides a clean and safe arrangement for displaying and storing pre-cooked pre-heated ready-to-eat foods for extended periods of up to four hours until purchased by the self-service customer.

Abstract: This refrigerator unit (10) for storing and serving salads and sandwiches includes an insulated cabinet (12) having a top wall (26) with a front portion (28) providing a cutting board (30) and a rear portion (32) carrying multiple rows of removable food product pans (36) extending into the cabinet. The unit includes a cover assembly (16) providing a fixed, foam-insulated hood (38) and a foam-insulated cover (40) pivoted to the hood for movement from a position enclosing the pan area to a position affording access to the pan area. The inside of the cabinet is provided with a forced air refrigeration system (70) which includes a fan (78) delivering air into a passage (94) which houses an evaporator coil (82) and has an upper end opening (98) for delivering cooled air onto and between the pans.

Abstract: A portable, refrigerated article display apparatus for indirectly refrigerating individually packaged articles, such as food items and/or beverages, and promoting impulse buying comprises a base, a hollow housing having a transparent, outer cylindrical-shaped wall and an article support assembly mounted in the interior of the housing atop a rotatable article support carriage. The article support assembly comprises either a shelf unit having a series of interlocking, vertically stacked shelf members adapted to support food items such as prepared sandwiches, a beverage rack having a plurality of vertically extending columns adapted to support beverage containers stacked end-to-end, or a combination shelf unit and beverage rack.

Abstract: A refrigeration apparatus comprises a machine chamber for containing a compressor, a condenser and others, and a display chamber for accommodating articles to be displayed. The display chamber is constituted by an inner box and an outer box between which a cooling air passage is defined. Defined internally of the machine chamber is a cooler chamber enclosed substantially by a heat insulating material in such a manner as to communicate with the cooling air passage. Disposed within the cooler chamber is a cooling air circulating device and a cooler for causing the cooling air to circulate through the cooling air passage and back to the cooler chamber.

Abstract: An auxiliary, portable storage and cooling unit in combination with a primary source of refrigerated air providing a secondary source of refrigerated air formed of a housing having an upper product storage compartment and a fan driven refrigerated air flow path including an air inlet duct for connection to the primary source of refrigerated air, an air inlet chamber, air distribution ducts, and air distribution chambers for feeding refrigerated air into the storage compartment.

Abstract: An air conditioning system for a grocery store having refrigerated food displays along certain aisles of the store includes a plurality of air ceiling mounted air outlet diffuser units. A plurality of the units are positioned substantially above the aisles adjacent the refrigerated food displays. Each diffuser unit positioned above the aisle adjacent the refrigerated food displays is constructed so as to provide a downward flow of conditioned air into the store in a manner so that shoppers receive conditioned air free of drafts while heavy, cool, stagnant air lying adjacent the refrigerated food displays is induced upwardly into upper regions of the store. Each diffuser unit has a housing with a flared exit mouth, a tubular air passageway within the housing and an annular air passageway therebetween. A plurality of vanes are positioned in the annular passageway for producing rotational, highly turbulent currents of air flowing from the passageway.

Abstract: An air conditioning system for a grocery store having refrigerated food displays along certain aisles of the store includes a plurality of ceiling mounted air outlet diffuser units. A plurality of the units are positioned substantially above the aisles adjacent the refrigerated food displays. Each diffuser unit is positioned above the aisle adjacent the refrigerated food displays and is constructed so as to provide a downward flow of conditioned air into the store and over an extended area of the aisle in a manner so that shoppers receive conditioned air free of drafts while heavy, cool, stagnant air lying adjacent the refrigerated food displays is induced upwardly into upper regions of the store. Each diffuser unit has a housing with a flared air exit mouth which includes an outwardly extending arcuate surface to define a rounded outlet mouth thereat so that some horizontal discharge of air always is provided. A tubular air passageway within the housing includes an annular air passageway therebetween.

Abstract: A fin-tube heat exchanger including thin plates, tubes penetrating though the thin plates, and one or more projections formed on the thin plates to resist the flow of air exchanged passing between the thin plates with which heat is to be exchanged is disclosed. The cross-sectional shape of each projection varies in its extending direction. The resistance against the flow of the passing air varies at each projection due to the variation of the cross-section of the projection, to change the flow direction of the heat exchanged air without the provision of an external guide means disposed near the exit of the heat exchanger. Therefore, the mechanism around the heat exchanger is simplified, and the entire size of a heating or cooling showcase unit having the heat exchanger is reduced.

Abstract: A beverage merchandiser for refrigerating and displaying single-serving containers disposed on gravity feed shelves has a refrigerated compartment accessed by sliding, multi-pane glass panel doors mounted on rollers engaging side-by-side overhead tracks. An evaporator is disposed inside the refrigerated compartment near the top and rear walls of same and is configured with a shallow height relative to the depth of the evaporator to save space. A duct panel forms a duct along the top wall of the refrigerated compartment to direct cooled air from the evaporator toward the product nearest the doors of the merchandiser to keep this product cool, since it is the next-to-be-purchased product. The glass panes of the doors are kept defogged by a defogging mechanism. One of the defogging mechanisms uses air warmed in a housing for the condenser and compressor and provides same to a slot oriented in a grill, which is disposed beneath the bottom edge of the doors.

Abstract: A cooler cabinet having a refrigeration system, and particularly devised to maintain articles to-be-cooled, such as milk cartons and the like, and permit the continuous entry into the cabinet enclosure for the removal of the articles is disclosed as having a main chamber for the articles, an upper, separated chamber for enclosing the evaporator for the refrigeration system and a lower, separated chamber for enclosing condenser and compressor. Air distribution fans are positioned in the upper chamber and are arranged to produce circulatory air movement across the evaporator to be cooled thereby in the upper chamber, then downwardly along the front wall of the main chamber then across the floor of the main chamber, then upwardly along the back wall of the chamber in an air return path and back to the vicinity of the evaporator for continued recirculation. Wire grates are positioned on the floor and the front wall along which air is moved downwardly.

Abstract: A display case for bouquets of cut flowers provides water and a refrigerated environment for the flowers, while allowing completely upon customer access to the flowers for selective customer removal of same from the case.

Abstract: A display booth wherein a support has a horizontal table beneath a light-transmitting dome which is movable up and down by a reversible electric motor so that it can afford or prevent access to goods which are displayed on the table and/or on one or more shelves on a tubular guide within the dome.

Abstract: A refrigerated display system for the in-store display of perishable items is disclosed. The display system comprises a reusable refrigeration unit and a knock-down insulated storage and display unit which may be disposable. The refrigeration unit comprises standard components for colling air, an outgoing and a return duct, and a fan for causing the cooled air to be circulated out the outgoing duct through the knock-down unit and back into the return duct. The insulated knock-down unit is separate from but cooperates with the refrigeration unit, and is arranged for storing perishable items on its inside and for displaying printed material associated with the perishable items on its outside walls. The knock-down unit includes insulated outer walls, a door through which the perishable items may be loaded and removed, a pair of duct openings corresponding to the ducts of the refrigeration unit, and an air plenum having extending ribs for forcing air to the insulated outer walls of the knock-down unit.

Abstract: A refrigeration showcase comprising a display case, a machine case and an air duct connecting the display case to the machine case, the display case comprising a display table for displaying commodities as placed thereon, a cover member openably covering the display table from above to define a commodity chamber above the display table and permitting the commodity chamber to be seen therethrough from outside, and an air passage member disposed under the display table and providing a cold air supply portion for supplying cold air therethrough to the commodity chamber and a cold air discharge portion independent of the supply portion for discharging cold air from the commodity chamber therethrough, the machine case comprising a case body, a refrigerator housed in the case body and providing a refrigeration cycle and a cold air circulating blower for supplying air cooled by the evaporator in circulation, the air duct having a forward air channel for transporting the cold air, and a return air channel independent

Abstract: A refrigerated display system for the in-store display of perishable items is disclosed. The display system comprises a reusable refrigeration unit and a disposable insulated storage and display unit. The refrigeration unit comprises a cooling means for cooling air, an outgoing and a return duct, and a fan for causing the cooled air to be circulated out the outgoing duct through the disposable unit and back into the return duct. The disposable insulated unit is separate from but cooperates with the refrigeration unit. The disposable unit is arranged for storing perishable items on its inside and for displaying printed material associated with the perishable items on its outside walls.

Abstract: In an island type refrigeration display cabinet, a top aperture containing two oppositely disposed louvers for discharging oppositely directed coplanar air curtain sections, to form a single air curtain of multiple section in the top aperture of the display cabinet. Preferably, the cabinet also includes means for withdrawing air from the interior display space of the cabinet and forcing the air through a bifurcated conduit. Each bifurcation of the conduit is flowably connected to one of the respective louvers in the top opening of the display cabinet. Each bifurcation of the conduit also includes means for refrigerating the air flowing through the conduit to the louvers.

Abstract: A cooling system for a food storage and merchandising machine having a rotatable drum mounted inside a cabinet, the drum having a plurality of axially spaced shelves divided by partitions into a plurality of food storage compartments, comprising a hollow center column extending axially through the drum and through the centers of the shelves, the column having a sidewall defining an air passageway, the sidewall having a plurality of vents therein communicating with each of the food storage compartments. The system further comprises a refrigeration system for cooling air, and a blower for introducing cooled air into one end of the air passageway. The other end of the air passageway is closed so that substantially all of the air provided to the passageway passes through the vents.

Abstract: A refrigerated appliance for use as a salad bar includes an enclosure having a refrigeration unit mounted therein and a cooled food storage compartment. An upper wall of the storage compartment is provided with openings for receiving a plurality of foodstuff containers having bottom wall surfaces which extend into the compartment. An air inlet opening from the refrigeration unit is disposed proximate to the upper wall of the compartment and cool air issuing therefrom is directed at the exposed wall surfaces of the containers. To concentrate the air flow at the containers a duct surrounds the air inlet opening and is spaced closely from the containers. A free end of the duct is open to the storage compartment for circulation of the air through the compartment.

Abstract: A refrigerator including a plurality of chambers and door shutters which are suspended on guide rails disposed under chamber partitions for slidably moving to open or close the chambers. The door shutters may be made of a flexible transparent material such as plastic or the like.

Abstract: A refrigerated cabinet for the merchandising of frozen foods is disclosed as including a lower interior freezer and an upper opened top which is provided with a peripheral mount; a frost shield carried by the mount is located in spaced relation and adjacent to walls of the freezer whereby frost accumulates on the frost shield rather than on the freezer walls.

Abstract: A refrigerated showcase in which refrigerated air for refrigerating the interior of the showcase and preventing ambient air from invading in the showcase is circulated across a front opening of the showcase and through a bottom wall, a rear wall and a top wall of the showcase, is improved according to the present invention. The improvements reside in that a gas-permeable spacer is disposed at the end of shelves within the showcase and spaced from the front surface of the rear wall to form a refrigerated air introducing duct space between the spacer and the rear wall.

Abstract: A food preparation table in which perishable ingredients are maintained in a refrigerated state in a conveniently accessible location to a food preparer. The table includes means for providing the circulation of refrigerated air over the ingredients as well as in an adjacent refrigerator cabinet. Collecting trays adjacent the table surface are also refrigerated and preserve surplus ingredients which would otherwise be wasted in the food preparation process.

Abstract: A forwardly and downwardly sloping display of tender, delicate, loose exposed produce or the like, which is continually bathed in a current of cool air, is partially covered by open-ported transparent domes which permit physical access to the produce for inspection, selection and withdrawal without need for opening or removal of the domes. An important effect of use of the domes is to significantly reduce moisture loss from the produce, while permitting sufficient interchange of air through the dome port to maintain desired coolness and restrict the growth of spoilage microorganisms.

Abstract: A cabinet for cooling goods, e.g., flowers having a cooling system and an open space for freely exhibiting goods such as cut-flowers, a large amount of air is cooled, so that much moisture is set free. The invention provides a solution for a simple evacuation of the moisture by providing absorption means absorbing said moisture.

Abstract: A refrigerated-goods display case has its cold-air circulating blowers located between fin sections of the refrigerating unit cooling heat exchanger or evaporator against the rear wall of the goods display compartment.

Abstract: A refrigerated display counter has an interspace between an insulated tub-shaped cabinet and an inner tank forming a display surface. A cold air distribution duct provides for cold air flow over the display surface. An opening is provided in the cold air distribution duct, below the display surface level and deflector means are mounted in proximity to the opening for deflecting part of the cold air flow into the interspace.

Abstract: An improved, low cost conditioned air vestibule for use on a doorway of a refrigerated storage room permits unobstructed passage of vehicles while effectively reducing the exchange of air through the doorway and substantially eliminating precipitation both inside and outside the doorway by providing spaced inner and outer movable doors in a portal and extending across the doorway to define a closed entrance vestibule, and circulating conditioned air through the vestibule. Heated air is directed downwardly from adjacent the top of the doorway through the vestibule along substantially its full width and adjacent the surface of the inner or cold side door and air is withdrawn from the vestibule at the top of the doorway adjacent the outer or warm side door. The doors are spaced close together and actuators are provided for opening and closing both doors simultaneously to permit unobstructed passage of vehicles.

Abstract: A cover for refrigerated display cases formed from a plurality of flexible, transparent, PVC strips attached together in side by side relation to form panels which extend across the display case access opening to provide a barrier which substantially reduces the heat transfer between the store environment and the display case contents.

Abstract: An open top refrigerated display case having mechanisms for establishing an inner refrigerated air band encircling the display portion of the case and an outer air band also encircling the display portion and being positioned outside of the inner air band. An inner air conduit passes around the side and bottom walls of the cabinet of the display case and has an outlet opening at one end of the opening in the top of the cabinet and an inlet opening at the other end of the top opening in the cabinet. A fan circulates air through this inner air conduit with the air leaving the outlet opening and being directed toward and received by the inlet opening of the conduit, thereby establishing an inner air band along with an inner air curtain across the opening in the top of the cabinet. An evaporator coil arranged within the inner air conduit serves to refrigerate the air passing along the inner air band during a refrigeration cycle of operation.

Abstract: A refrigerator wherein, in order to prevent cold air within the refrigerator body from flowing out while the door is opened, and air curtain will be formed in the opening of the body when the door is opened but will be removed when the door is closed.