Abstract: A cooling unit and cooling method are provided for a container-type data center. The cooling unit includes a heat rejection unit, for rejecting heat from coolant passing through a coolant loop to air passing across the heat rejection unit, and a refrigeration unit controllable to selectively provide auxiliary cooling to at least a portion of the coolant passing through the coolant loop. The heat rejection unit includes a heat exchange assembly, having a first heat exchanger and a second heat exchanger, and one or more air-moving devices providing airflow across the first and second heat exchangers. The first heat exchanger couples in fluid communication with the coolant loop, and the second heat exchanger is coupled in fluid communication with a refrigeration loop of the refrigeration unit for rejecting heat from refrigerant passing through the refrigeration loop to the airflow passing across the second heat exchanger.

Abstract: Kits for constructing a modular merchandizing unit include panels, frame members, joint pieces, and a cooling device. The frame members have a lengthwise shape defining outer and inner panel mounting assemblies and a joint capture region. The mounting assemblies include opposing legs extending from a base web to define a panel engagement region. The joint pieces each include a block core and orthogonally arranged plug assemblies projecting from faces of the core. The plug assemblies mate with the joint capture region. Construction of a unit from the kit includes the frame members retaining selected panels as paired inner and outer panels within corresponding engagement regions. The joint pieces interconnect the frame members and paired panels to form a cabinet. The cooling device is mounted the cabinet. A door assembly can also be mounted to the cabinet. Optionally, foam insulation is dispensed between the paired panels.

Abstract: A refrigerator is provided that includes at least one freezer compartment and at least one refrigerator compartment, wherein the freezer compartment and the refrigerator compartment are defined by a plurality of interior surfaces. The refrigerator further includes a cooling module set (CMS) removably attached to at least one of the plurality of interior surfaces, wherein the CMS is configured to operate in any orientation of a plurality of orientations, and the CMS is further configured to be repositionable with respect to the plurality of interior surfaces to alter a shape of at least one of the refrigerator compartment and the freezer compartment.

Abstract: A Modular Chiller System integrated into a single Standalone Rack Assembly having vertically positioned air intakes, heat exchanger, and an air deflector is disclosed. The orientation of the components in the Standalone Rack Assembly allows for maximum heat exchange from a rack of hot food items positioned coextensively to the Chiller System. Hot air from the food rack is received through the air intakes into the heat exchanger where chilled air is recirculated outward through said frame assembly. The Chiller System is portable and can be retrofitted to existing walk-in cooler configurations.

Abstract: A refrigerator is provided that includes a CMS adapted to define at least a portion of an envelope of at least one of a freezer compartment and a refrigerator compartment, where the CMS has a high pressure side and a low pressure side. The high pressure side includes an orientation-flexible compressor and a condenser fluidly connected with the orientation-flexible compressor. The low pressure side is fluidly connected to the high pressure side and includes an evaporator. The CMS also includes at least one housing configured to enclose at least one of the orientation-flexible compressor, the condenser, and the evaporator. The CMS further includes an insulating panel forming at least a portion of the at least one housing, and substantially separating the high pressure side from the low pressure side. The CMS is typically configured to operate in a plurality of orientations based upon the orientation-flexible compressor.

Abstract: An air conditioning module, for location adjacent a ceiling surface, comprises a heat exchanger which has an upstream side to receive incoming air and a downstream side to discharge conditioned air. The air conditioning module also includes a primary air chamber that is arranged in fluid communication with the downstream side of the heat exchanger and is spaced from the heat exchanger to define a discharge chamber that lies between the primary air chamber and the heat exchanger The primary air chamber includes an air chamber body which has coupled therewith a separately-formed unitary discharge member. The unitary discharge member defines a plurality of primary air discharge ports that are arranged along the length thereof to direct primary air into the discharge chamber and thereby induce incoming air into the heat exchanger.

Abstract: An appliance is provided that includes at least one freezer compartment and at least one refrigerator compartment, wherein the freezer compartment and the refrigerator compartment are defined by a plurality of interior surfaces. The refrigerator further includes a cooling module set (CMS), wherein the CMS includes an orientation-flexible compressor, the CMS is configured to operate in any orientation of a plurality of orientations.

Abstract: To provide a protective coat on a refrigerated sample collector for a corrosive environment a unitary frame includes a support unit with condenser and evaporator coils mounted to the support unit and an orifice connecting the condenser and evaporator coils. The evaporator coils, condenser coils and restrictor are powder coated after being connected, whereby an effective seal is provided for the restrictor, condenser coils and evaporator coils after they are assembled to the support. The unitary frame can be easily removed or connected as a unit to the sample collector. A peristaltic pump may be used for drawing at least one sample into the refrigerated sample collector and depositing said sample into at least one sample bottle. The peristaltic pump may include contoured tube guides to reduce movement of the peristaltic pump as a roller paddle rotates.

Abstract: In certain embodiments of the present disclosure, a refrigerator is described. The refrigerator includes an inner liner defining a storage compartment. The refrigerator further includes an outer wall forming a vacuum insulation panel. The outer wall defines a hermetically sealed vacuum compartment wall. The compartment includes filler insulating material and is evacuated of atmospheric gases. The compartment is located between the outer wall and the inner liner.

Abstract: Disclosed is an improvement to temporary foam cooler box construction, wherein the foam cooler box is provided hardware inlays for cooler hardware and then treated with a polyurethane shell coating to improve the cooler box durability and carrying capacity over its bare foam counterpart. The inlays are backing hardware that are adhered directly to the foam and then coated with the polyurethane, whereafter cooler hardware such as latches and hinges may be fastened to the inlays and be supported by the inlays and the shell coating of the cooler. The present invention discloses both a new device and method of manufacture therefor.

Abstract: A method of manufacturing a heat exchanger having a brazed core with parallel tubes separated by and contacting centers that extend parallel to the tubes. The method utilizes a brazing fixture that enables the core to expand during brazing due to thermal expansion of the tubes and centers and maintains tube to center contact as the core shrinks due to melting of the braze alloy. The resulting brazed core has a post-brazed tube spacing pattern that facilitates assembly of the brazed core with headers of the heat exchanger.

Abstract: A cooling system for use in cooling an interior volume. The cooling system includes a first cooling assembly that is positioned within a housing that defines the interior volume. The first cooling assembly facilitates cooling the interior volume of the housing. A second cooling assembly is positioned external to the housing in flow communication with the first cooling assembly. The second cooling assembly is configured to channel a cooling fluid to the first cooling assembly. A control system is coupled to the first and second cooling assemblies. The control system is configured to channel cooling fluid from the second cooling assembly to the first cooling assembly when a temperature of air external to the housing is less than a temperature of air inside the housing, to facilitate reducing the air temperature inside the housing.

Abstract: A cooling structure, a gas turbine combustor, and a method of manufacturing the cooling structure attain a high cooling efficiency without increasing manufacturing cost. The cooling structure includes a first member as a cooling object having a first plane, and a second member arranged above the first plane and having an opposing second plane such that a passage is formed between the first plane and the second plane for a cooling medium to flow. The first member has a plurality of prominences each of which extends upwardly from the first plane, and extends to be inclined along a direction in which the cooling medium flows. A clearance between the second plane and a tip of each prominence is set such that a heat transfer rate between the cooling medium and the first member becomes larger than that when each prominence extends vertically upward from the first plane.

Abstract: A cooling system comprises serpentine cooling fluid passages cast into a work piece with carefully controlled turning radii and profiles. Individual interdigitated baffles are contoured in the plane of coolant flow to have walls that thicken and then round off at their distal ends. The outside radii at these turns is similarly rounded and controlled such that the coolant flow will not be swirled into eddies.

Abstract: A method comprising a step of providing a cooling plate having at least one exposed cooling channel designed for guiding a cooling fluid. The method further comprises a step of providing a mounting unit designed for receiving and fixing at least one energy storage unit. The method finally comprises a step of connecting the cooling plate to the mounting unit, whereby the at least one cooling channel is closed.

Abstract: The invention provides a variable impedance device including a first bus bar refrigeration system, a first bus bar thermally connected to the first bus bar refrigeration system to be maintained at a target bus bar temperature by the first bus bar refrigeration system, a variable impedance component refrigeration system, a variable impedance component electrically connected to the first bus bar and thermally connected to the component refrigeration system, a variable impedance component may be at least partially made of a material that is superconducting below a critical temperature and may be maintained at a target component temperature, wherein the target bus bar temperature may be between the 300K and critical temperature and the target component temperature may be below the critical temperature and a second bus bar connected to the variable impedance component so that current flows between the first and second leads through the variable impedance component.

Abstract: A heat sink has a plurality of radially extending radiating fins, which are arranged annularly on the outer circumferential surface of a cylindrical base to be integral with that surface. The base is formed to have a cylindrical shape having a center axis. The base is formed to be solid-core. The heat sink is ground such that a cooling object contact portion having a generally cylindrical shape projects from the end surface of the heat sink in the axial direction. An annular groove is ground out along the outer circumference of a contact surface of the cooling object contact portion. An attaching member is attached on the outer circumferential surface of the cooling object contact portion, and a pressure application portion is entirely pressed by a pressing machine. The pressure application portion is plastically deformed outward in the diameter direction, so that the attaching member is fixed in between.

Abstract: A cold plate apparatus is provided which includes a tube and a casted heat sink member. The tube includes a first metal and first and second ends, with a heat transfer region disposed between the ends. The heat sink includes a second metal that surrounds the heat transfer region of the tube, with the first and second ends of the tube residing outside of the heat sink. The second metal has a lower melting point than the first, and the metals reacted peritectically such that a metallurgical bond exists between the tube and the heat sink. The metallurgical bond includes an alloy layer that was formed during casting of the heat sink member. A thickness of the alloy layer was minimized during casting of the heat sink member to enhance the heat transfer characteristic of the metallurgical bond.

Abstract: An air conditioner and an installing method of the air conditioner which are suitable for a refrigerant having insufficient chemical stability such as hydrofluoroolefin , and the air conditioner includes a refrigerant charge port provided in a connection valve, a liquid-side valve 16 provided on the pipe 31, a gas-side valve 17 provided on the pipe 31, and a pressure detector 18 provided on the pipe 31 or the pipe 32, and in a state where the outdoor unit 10 and the indoor unit 20 are not connected to each other, the liquid-side valve 16 and the gas-side valve 17 are closed, and a refrigerant is previously charged into the pipe 31 closed by the liquid-side valve 16 and the gas-side valve 17.

Abstract: A conduit is processed for installation in a heat exchange system as an expansion. In particular, the conduit is crushed to modify one or more flow parameters of the invention. The crushing of the conduit is preformed according to one or more crush parameters determined to ensure that refrigerant flowing through the conduit within the heat exchange system will experience a pressure drop of a predetermined amount while travelling through the conduit.

Abstract: A magnetic resonance imaging (MRI) system with a thermal reservoir and method for cooling are provided. A cooling vessel for a magnet system of the MRI system includes a first portion containing a helium cryogen in contact with a plurality of magnet coils of an MRI system. The cooling vessel also includes a second portion separate from and fluidly decoupled from the first portion, with the second portion containing a material different than the helium cryogen and having a volume greater than the first portion.

Abstract: A modular heat exchanger suitable for automotive applications, and methods for forming the modular heat exchanger. The modular heat exchanger construction incorporates a monolithic brazed core assembly composed of flat-type cooling tubes and sinusoidal centers. The required positional tolerances of the tubes for mating with the remainder of the heat exchanger are maintained within the brazed core assembly by minimizing core shrinkage resulting from the brazing operation during which the tubes are brazed to the centers.

Abstract: A refrigeration connection tube. The tube comprises a flexible section of tubing that includes a ribbing. The ribbing circumscribes the flexible section of tubing in a direction that is substantially perpendicular to a long axis of the flexible section of tubing. The ribbing traverses an entire thickness of the flexible section of tubing.

Abstract: The refrigeration unit has a storage area for objects to be cooled. A channel having one or more evaporator coils is located within the storage area. A fan circulates air within the storage area through the channel past the one or more evaporator coils and circulates the air from a bottom of the channel through the storage area and back into an upper portion or the channel. Each evaporator coil preferably is located substantially within a vertical plane.

Abstract: Embodiments of systems, apparatus, and/or methods can provide a damper assembly for transport refrigeration systems. One embodiment can include a damper assembly including a damper door configured to operate in a first position (e.g., closed), a second position (e.g., open), and at least one intermediate position. In one embodiment, a plurality of intermediate positions can be used to controllably vary a capacity of the transport refrigeration unit, or at least one component thereof. Embodiments of systems, apparatus, and/or methods can provide a damper assembly that can be accessed though an ambient portion of transport refrigeration systems or components.

Abstract: A cooling system for an engine includes a coolant tank, a heat exchanger, and a drain valve. The coolant tank holds a fluid coolant and is coupled with a tank conduit through which the coolant flows from or to the coolant tank. The heat exchanger is fluidly coupled with a supply conduit. The drain valve is fluidly coupled with the coolant tank by the tank conduit and with the supply conduit. The drain valve is fluidly coupled with a drain conduit that directs the coolant out of the cooling system and alternates between a closed position and an open position. The drain valve prevents the coolant from flowing out of the cooling system through the drain conduit when in the closed position and permits the coolant to flow from the heat exchanger and out of the cooling system through the drain conduit when in the open position.

Abstract: A refrigerator is disclosed. The refrigerator includes a cabinet comprising a storage chamber, a cold air generation chamber provided above the storage chamber, an evaporator provided in the cold air generation chamber, and a refrigerant tube configured to pass through a predetermined wall of the cold air generation chamber, not passing the storage chamber, to be connected with the evaporator. An object of the present disclosure is to provide a refrigerator which has an efficient installation structure of a refrigerant tube connected with an evaporator provided in a cold air generation chamber provided above a storage chamber to enlarge storage space of the storage chamber.

Abstract: A heat exchanger for an ice machine has the form of a cylinder. In some embodiments, the cylinder is made from an extrusion of a metal such as an aluminum alloy. The heat exchanger includes inner and outer cylindrical walls and one or more refrigeration passages positioned between the inner and outer walls. The inner and outer walls are separated from each other by connecting structures defining the refrigeration passages. The heat exchanger can be extruded as a rectangular panel and subsequently formed into a cylindrical form. Alternatively, the heat exchanger can be extruded as a cylinder, or as an arcuate cylindrical segment in which several of such segments are subsequently joined together (as by welding) into a cylinder. Ice machines that feature ice formation on both the inner and outer walls of the cylinder are also disclosed.

Abstract: A refrigerated container includes a box-like structure having a floor, a pair of opposed side walls, a rear wall, and a roof panel defining an interior volume having an open forward end; and a refrigeration unit disposed in the forward end of the box-like structure and integrated into the box-like structure.

Abstract: A mobile cooled storage unit (10) has a sectional racking structure (17) for storing items such as bodies and body parts to be cooled. The racking structure is assembled at a location where the cooling unit is to operate. A removeable insulated outer cover (11) is placed over and supported by the racking structure to enclose the structure and any items stored thereon. A chiller (25) is connected with the interior of the cover for cooling the stored items. Several such units may be connected together to provide a larger overall unit which are cooled by one or more chillers. The invention also provides a method of establishing a temporary cooled storage unit.

Abstract: In a method of manufacturing heat radiating fin, the technique of plastic working, such as stamping, is employed to apply an external force against a sheet metal material serving as a raw material for forming the heat radiating fin, so that the sheet metal material generates plastic deformation to form a plurality of recessed portions on a front side thereof. Meanwhile, a plurality of protruded portions is correspondingly formed on a rear side of the sheet metal material behind the recessed portions. Any two heat radiating fins so manufactured may be easily stacked and connected together with the protruded portions on a rear or higher heat radiating fin partially extended into the recessed portions on a front or lower heat radiating fin.

Abstract: Heat pumps for climates where demand for cooling and heating are unequal and methods of adapting and distributing heat pumps for such climates. Heat pumps include a compressor, compressor motor, variable-speed drive, and controller. In a number of embodiments, non-volatile memory stores sets of constant speeds for cooling and heating, and a person can select, via an input device, different sets of speeds for cooling and heating to provide the different cooling and heating capacities. The controller then operates the unit at the selected speeds, selecting from within the set based on demand for cooling or heating. In some embodiments, different sets of speeds may have the same minimum speed but different maximum speeds. Identical heat pumps can be configured to have different capacity ratings and different advertized efficiencies for different climates.

Abstract: One aspect of the disclosure provides an air conditioning system. The air conditioning system, in this embodiment, includes an exterior housing, and a motor having fan blades rotatably coupled thereto located within the exterior housing. The air conditioning system, in this embodiment, further includes a controller coupled to the motor and configured to rotate the fan blades based upon climate conditions proximate the exterior housing.

Abstract: A charge air cooling device is provided for a combustion engine with a first heat exchanger configured to transmit thermal energy of a charge airflow to a coolant and with a second heat exchanger by which thermal energy of the coolant can be discharged into the surroundings. The first heat exchanger is designed as coaxial tube heat exchanger, which directly connects a compressor provided for the combustion air to the engine.

Abstract: A dual system refrigerator condenser assembly includes a first condenser tube member having a width and opposite connection ends, and a second condenser tube member having a width and opposite connection ends. The condenser tube members are disposed width-wise adjacent to each other and in a common plane. A plurality of wires are connected to and span the respective widths of the first and second condenser tube members. The first condenser tube member is connectable to a first sealed system and the second condenser tube member is connectable to a second sealed system within a refrigerator.

Abstract: One aspect provides an air conditioning system, comprising a compressor housing, a motor having fan blades rotatably coupled thereto and located within the compressor housing. The motor has a rotation sensor associated with it that is configured to sense a rotation of the fan blades. This embodiment further comprises a controller coupled to the motor and is configured to increase a torque of the motor when the rotation sensor indicates that the fan blades are not rotating after an on command signal is received by the motor.

Abstract: A liner for an appliance is formed by a plastic sheet formed into a three dimensional shape corresponding to at least a portion of a compartment of the appliance.

Abstract: A method of manufacturing a heat exchanger coil, the method comprising the steps of reconfiguring the cross-sectional shape of an elongate tube from a substantially round cross-sectional shape having a first outer circumference to a reduced or corrugated cross-sectional shape having a second outer circumference which is less than the first outer circumference, forming a plurality of u-shaped hairpin tubes from the elongate tube, the u-shaped hairpin tubes each having a pair of parallel legs, inserting each of the parallel legs of the hairpin tube through a predetermined opening in at least one fin plate, attaching a plurality of return bends to the u-shaped hairpin tubes to form a predetermined circuitry and then incrementally applying fluid pressure from a fluid pressure source to an internal channel of the circuitry to incrementally expand the circuitry to form a tight heat transfer bond between the circuitry and at least one wall of the predetermined opening.

Abstract: An inlet header (22) of a microchannel heat pump heat exchanger has a tube (34) disposed therein and extending substantially the length of the inlet header (22), with the tube (34) having a plurality of openings (36) therein. During cooling mode operation, refrigerant is caused to flow into an open end of the tube (34) and along its length to thereby flow from the plurality of openings (36) into the inlet header (22) prior to entering the microchannels (24) to thereby provide a uniform flow of two-phase refrigerant thereto. A bi-flow expansion device (41) placed at the inlet end of the tube (34) allows for the expansion of liquid refrigerant into the tube (34) during periods in which the heat exchanger operates as an evaporator and allows the refrigerant to flow directly from the header (22) and around the tube (34) during periods in which the heat exchanger operates as a condenser coil.

Abstract: A merchandiser cooler is provided for chilling and/or freezing food and beverage containers. To facilitate service and/or repair of the cooler, the merchandiser cooler includes numerous refrigeration components that are divided between a removable refrigeration unit and permanent placement within a cabinet of the merchandiser cooler. The refrigeration components may be fluidly connected in a manner that allows for quick and efficient release such that the removable refrigeration unit may be easily removed and/or replaced by a single individual who lacks specialized training.

Abstract: A branching unit has a refrigerant pipe that is branched into a plurality of branching refrigerant pipes, and includes an insulation material resin casing and an expanded insulation material casing. The insulation material resin casing encloses branching portion while assuring an insulation space between the insulation material resin casing and the branching portion. The expanded insulation material casing is disposed on the external periphery of the insulation material resin casing.

Abstract: A refrigerator includes a rear wall, a first side wall, a second side wall, a top wall, and a bottom wall that are permanently attached to define a cabinet. The cabinet includes an interior liner and an exterior wrapper. A door is pivotally connected with the cabinet and includes an interior liner and an exterior wrapper. A pocket is disposed in at least one of the rear wall, first side wall, second side wall, top wall, bottom wall, and door between the interior liner and the exterior wrapper. The pocket includes an access opening disposed at an edge of one of the rear wall, first side wall, second side wall, top wall, and bottom wall. A removable insulation panel is disposed in the pocket.

Abstract: A method of assembling a refrigerator including providing a main body having a storage chamber, providing a door having a door liner on one side of the door, providing a seating member, providing an ice maker for making ice, attaching the ice maker to the seating member, attaching the seating member to the door liner, providing an ice bank for storing ice, attaching the ice bank to the seating member below the ice maker, and rotatably attaching the door to the main body.

Abstract: In one embodiment, a cooling system may include a thermosyphon cooler that cools a cooling fluid through dry cooling and a cooling tower that cools a cooling fluid through evaporative cooling. The thermosyphon cooler may use natural convection to circulate a refrigerant between a shell and tube evaporator and an air cooled condenser. The thermosyphon cooler may be located in the cooling system upstream of, and in series with, the cooling tower, and may be operated when the thermosyphon cooler is more economically and/or resource efficient to operate than the cooling tower. According to certain embodiments, factors, such as the ambient temperature, the cost of electricity, and the cost of water, among others, may be used to determine whether to operate the thermosyphon cooler, the cooling tower, or both.

Abstract: In one embodiment, an air mover may include a first electrode, a second electrode and an ionization device to selectively ionize molecules in an electric field between the first and second electrodes. The ionized molecules can drive airflow between the first and second electrodes. In certain embodiments, the ionization device has an operational characteristic that prevents ionization of oxygen so that the airflow is ozone-free.

Abstract: An air-conditioning system provides a segmented pan with a primary drain segment and a built in auxiliary drain pan segment to receive overflow condensate from the primary drain pan and drains through auxiliary drain lines. The built-in auxiliary drain pan and primary drain pan are plumb with respect to each other and are secured together and/or monolithic. The assembly construction thereby provides reduced time and costs associated with storing, transporting, installing, leveling, and plumbing individual components.

Abstract: A method for supplying a plurality of capacitance values to a plurality of heating, ventilation, air-conditioning, and refrigeration (HVAC/R) components is provided. The method includes configuring a first set of terminals of a connection device to couple a first capacitor to the connection device and configuring the connection device to couple the first capacitor to at least one of the plurality of HVAC/R components. The method further includes configuring a second set of terminals of the connection device to couple a second capacitor to the connection device and configuring the connection device to selectively couple the second capacitor to at least one of the plurality of HVAC/R components.

Abstract: A vapor-compression air conditioning system comprising a blower positioned in a return air flow path from a conditioned space, a reheat heat exchanger positioned in the return air flow path and downstream from the blower, a system reversing valve fluidly coupled to the reheat heat exchanger, and a refrigerant flow sequencer interposed the system reversing valve and the reheat heat exchanger. A method of manufacturing an air conditioning system is also provided.

Abstract: A refrigeration device, in particular a domestic refrigeration device, includes a compressor that is connected in a refrigeration circuit and a condensation collection container that collects condensation formed during the operation of the refrigeration device. The condensation collection container has a base resting on an upper face of the compressor and having a side wall which projects towards the compressor and embraces a periphery of the compressor in the manner of a frame.

Abstract: A cold plate assembly is provided having a cold plate with a generally planar member that provides a support surface. The support surface is configured to support a heat generating device. A structural member provides attaching features that are configured to secure the cold plate assembly to a support. The cold plate is secured to the structural member by a braze material. In one example, the cold plate assembly is manufactured by arranging multiple sheets with a first braze material provided between the sheets. The multiple sheets comprise a cold plate. The braze material is heated to mechanically join the multiple sheets to one another and the cold plate to the structural member.