Abstract: The apparatus is a heat exchange unit for cooling interior rooms of commercial and/or residential structures. The unit includes a compressor and blower mounted within a base. A lid of the base has an elongated heat exchange tube mounted thereon. The heat exchange tube has an interior liner with a coil structure mounted to the outside surface thereof. An outer liner enclosed the interior liner and associated coil structure. Both the interior and exterior liners are composed of a perforated metallic material. The vertical heat exchange tube is enclosed with a baffle at the top portion thereof. The baffle functions to force air moving upward to travel in an outward and downward direction toward the base and outside of the liners through the perforations. In an alternative embodiment, the vertical heat exchange tube may include a intermediate tube mounted between the interior and exterior tubes. The intermediate tube also has coils wrapped about the perimeters.

Abstract: Air conditioner comprising a condenser unit (1), through which a flow of external air passes between an inlet section (3) and an outlet section (4), and an evaporation unit (2), through which a flow of internal air passes between an inlet section (5) and an outlet section (6), wherein the condenser unit (1) is provided with at least two connections with the exterior (8) designed to mate with small-diameter circular holes (7) communicating with the external environment.

Abstract: A plate and tube condenser for a refrigerating apparatus, the plate sized to encompass the entire bottom region of a refrigerating cabinet to structurally stiffen the cabinet, the plate serving as an extended heat transfer surface for a serpentine tube applied thereto either by fixation thereto. An air flow baffle is arranged to divide the plate into inlet air and outlet air sections both opening to a front of the cabinet behind the air grill. Perforations are applied through the plate on the inlet section to allow incoming air to pass both below and above the plate.

Abstract: A refrigerator includes a freezer compartment, a refrigerator compartment, a warmer compartment, a machine compartment having a compressor and a condenser for cooling the freezer compartment and the refrigerator compartment, and a heat transmitter for transmitting heat from the machine compartment to the warmer compartment. The heat transmitter includes a heat transmitting member for transmitting heat from the machine compartment to the warmer compartment. A heat conducting member is attached to the heat transmitting member for conducting heat from the machine compartment to the heat transmitting member.

Abstract: A refrigerator includes a freezer, a fresh food compartment and an evaporator chamber. A supply conduit conducts cold air from the evaporator chamber to the top rear of the fresh food compartment and a return conduit conducts warm air from the fresh food compartment to the evaporator chamber. A fan mounted adjacent the bottom rear portion of the fresh food compartment directs air up the rear wall of the fresh food compartment to enhance air circulation in the fresh food compartment and reduce moisture condensation therein.

Abstract: An air scoop and method of use for increasing the cooling effectiveness of roof mounted air conditioners. The air scoop has a substantially rectangular shaped air inlet aperture in connection with a rectangular cross-sectional shaped conduit having a substantially ninety degree bend therein that is in connection with a substantially rectangular shaped air discharge outlet aperture; an air directing lip member extending away from a first geometric plane defined by the discharge outlet aperture at an angle of between ten and eighty (10.degree., 80.degree.) degrees; and a pair of mounting brackets, extending away from a seconded geometric plane defined by the air inlet aperture at an angle of about ninety (90.degree.) degrees, each mounting bracket including a fastening aperture adjacent a distal end thereof.

Abstract: An air conditioning system suitable for use in an electric vehicle. In the air conditioning system, a refrigerant gas circulatory system of the heat pump type for selectively effecting cooling and heating is disposed inside the electric vehicle and comprises lines which interconnect three heat exchangers, a directional control valve, a compressor and an expansion valve to one another. A control device is provided so as to activate and inactivate the heat exchanger, the directional control valve and the compressor. Before the expected running of the vehicle, at least a portion of the refrigerant gas circulatory system can be operated by the control device using a drive source different from the drive source used for running the vehicle. Accordingly, a comfortable room environment can be established for the expected time on riding by activating the air conditioning system in an unmanned state.

Abstract: A refrigerator comprises a compressor for compressing and discharging a coolant, a first heat exchanger which performs heat exchange between the compressed coolant from the compressor and the atmosphere to cool the compressed coolant, an adiabatic expansion orifice where the compressed and cooled coolant after passing the first heat exchanger is adiabatically expanded, and a second heat exchanger which performs heat exchange between the adiabatically expanded coolant and the air in refrigerating chambers so as to cool the air in the refrigerating chambers by the coolant and to heat the coolant by the air in the refrigerating chambers.

Abstract: Apparatus including a power supply (202) and control system is provided for maintaining the temperature within an enclosed structure (40) using thermoelectric devices (92). The apparatus may be particularly beneficial for use with a refrigerator (20) having superinsulation materials (46) and phase change materials (112) which cooperate with the thermoelectric device (92) to substantially enhance the overall operating efficiency of the refrigerator (20). The electrical power supply (202) and control system allows increasing the maximum power capability of the thermoelectric device (92) in response to increased heat loads within the refrigerator (20). The electrical power supply (202) and control system may also be used to monitor the performance of the cooling system (70) associated with the refrigerator (20).

Abstract: A refrigerator with heat exchanger optimally configured to conserve electricity and improve a food storing capability at its best state. The refrigerator includes: a freezing room connected from an evaporator through a circulating passage, the freezing room having the circulating passage which circulates an air cooled by the evaporator; a storage room connected to the freezing room, in which a temperature of the storage room is set higher than that of the freezing room; a flow-in passage connected to the storage room where the air cooled by the evaporator flows into the storage room; a flow-out passage connected from the storage room where a chilled air flows out of the storage room; and a heat exchanger for exchanging heat between the cooled air flowing through the circulating passage and the chilled air flowing through the flow-out passage, so that the temperature inside the storage room is evenly and smoothly stable.

Abstract: A commercial refrigeration network including refrigeration system units constructed and arranged for placement in strategic proximity to corresponding product cooling zones within the shopping arena of a food store, each refrigeration unit having a condensing unit rack configured to accommodate the maximum refrigeration loads of its associated zone with an optimum floor space footprint in the shopping arena, and the condensing unit rack including a plurality of multiplexed compressors, condenser and associated high side and low side refrigerant delivery and suction conduits operatively connected to evaporators for cooling the corresponding zone, and the network also including another cooling source remote from said modular refrigeration units and constructed and arranged for circulating a fluid coolant in heat exchange relationship with the condenser to obtain optimum condensing and efficiency of said evaporators in cooling the corresponding zone.

Abstract: A refrigerator having an air passage duct which contains therein a wire and tube condenser where a cooling air caused by a fan flows. A refrigerator includes: a machine compartment having a fan therein for causing a flow of cooling air, located at a bottom of the refrigerator; an air passasge duct, connected to the machine compartment, containing a wire and tube condenser (referred to as a wire condenser hereinafter), the air duct and the wire condenser being placed at the bottom of the refrigerator; and an exhaust port for discharging an air used for radiating a heat of the wire condenser, wherein the air passage duct is formed in a zigzag shape so that the cooling air flowing through the air passage duct crosses through the wire condenser.

Abstract: This invention relates to a small-sized refrigerator comprising an evaporator being of a plate shape to provide an increased cold air producing area, and a defrosted water drain pan formed with a plurality of cold air passage openings to allow smooth convention of cold air in a refrigerating chamber, thereby enabling a proper temperature in the chamber to be achieved promptly and the temperature differences between the respective areas of the chamber to be minimized. To this end, the evaporator of a plate shape is mounted horizontally at the upper portion of the refrigerating chamber, and the defrosted water drain pan having a plurality of the cold air passage openings, overflow prevention walls and guide members for preventing defrosted water from passing through the openings is detachably disposed below the evaporator to collect the defrosted water dropping from the evaporator.

Abstract: The baffle for preventing the recirculation of discharged air into the intake grille of a packaged terminal air conditioner is provided with means for attaching it to the grille structure without fasteners. A plurality of flexible fingers with snap latches on the ends thereof are inserted between a pair of spaced ribs on the grille, with the fingers being flexed inwardly during the insertion process and then flexing outwardly to engage the snap latches with a front edge of the vertical ribs when the baffle is in place.

Abstract: For enhanced cooling power in a beverage vending machine the compressor is arranged in a recess of the apparatus housing, and the condenser in the form of a coil-shaped tube, is arranged in a convection shaft connected to the recess. One wall of the shaft is formed by the rear wall of the housing. Inside the shaft the tube coil of the condenser is disposed diagonally upwards in the direction of the rear wall of the apparatus housing.

Abstract: A refrigerator has a compartment to be refrigerated and a refrigerant evaporator normally operable at frost producing temperatures to refrigerate the compartment. The evaporator includes an elongated tube to receive refrigerant with an elongated spine fin ribbon wrapped in an open spiral about and in intimate heat exchange contact with the tube. The ribbon includes an elongated base with a continuous series of fingers projecting outwardly of the tube along each edge of the base. The space between adjacent passes of ribbon is greater than the width of the base.

Abstract: Bar cabinet (1) with refrigerated (2) and non refrigerated compartment (3) with substantially reduced depth suitable to be hanged on a wall, at eye's height, whereby the survey of and the access to their content is essentially improved. The reduction of the depth is achieved, firstly, through the arrangement of the non cold parts of the absorption cooling unit (10) behind the non refrigerated compartment (3) which is placed beside the refrigerated compartment (2) and, secondly, through the arrangement of the evaporator (11) within the thermal insulation (4) of the refrigerated compartment (2).

Abstract: The invention relates to a hibernator suitable for keeping under permanent refrigeration a cadaver placed in a desired position and constantly visible from the outside. The hibernator consists essentially of a structure whose refrigerated and fluid-tight upper part (1) serves as a resting place for the being to be preserved, with at least a double-glazed wall; and whose lower part (2) or base is intended to house the refrigerating unit (3) and various technical elements including pipes (22 to 24) to assure partial vacuum in determined sectors of the structure of the resting place. Also disclosed is a process for preservation and showing of cadavers which have previously been frozen or imprisoned in blocks of translucid ice.