Abstract: A refrigerator with a water dispenser for dispensing water from a source of water through a user accessible water outlet. The water dispenser can include a water valve, a dispensing actuator, and a water dispensing control connected to the water valve and to the dispensing actuator to control operation of the water valve. The water dispenser can include a microcontroller including a user operable calibration routine to determine a calibrated flow rate based on the time to dispense a standard quantity of water, and a non-volatile storage to store the calibrated flow rate. The microcontroller can store the most recent calibrated flow rate in the non-volatile storage. The water dispenser control can include a measured fill mode of operation. The microcontroller can be arranged to calculate a measured fill time to dispense a user selected amount of water based on the calibrated flow rate.

Abstract: A beverage dispensing system is characterized by an ice/beverage dispenser and a remote beverage tower. The dispenser has a cold plate, a carbonator pump and a carbonator tank and the tower has a carbonator tank. To chill the tower carbonator tank, a closed loop fluid circuit extends between and heat exchange couples the dispenser cold plate and the tower carbonator tank. The dispenser carbonator pump can be used to circulate water through the closed loop circuit or a carbonator pump for the tower can be used for the purpose. A valve arrangement is provided for and as part of the dispenser cold plate to conveniently enable the dispenser to be switched between stand-alone operation and operation as a base unit for the remote tower. Arrangement is also made to cause ice agitation at the dispenser in response to drinks dispense at the remote tower to maintain a supply on the cold plate.

Abstract: A beverage dispensing system is characterized by an ice/beverage dispenser and a remote beverage tower. The dispenser has a cold plate, a carbonator pump and a carbonator tank and the tower has a carbonator tank. To chill the tower carbonator tank, a closed loop fluid circuit extends between and heat exchange couples the dispenser cold plate and the tower carbonator tank. The dispenser carbonator pump can be used to circulate water through the closed loop circuit or a carbonator pump for the tower can be used for the purpose. A valve arrangement is provided for and as part of the dispenser cold plate to conveniently enable the dispenser to be switched between stand-alone operation and operation as a base unit for the remote tower. Arrangement is also made to cause ice agitation at the dispenser in response to drinks dispense at the remote tower to maintain a supply on the cold plate.

Abstract: The invention is a water generator device from air utilizing solar thermal energy and adsorption principle. The system is based on an adsorption refrigeration unit with Ether as a refrigerant and activated carbon as adsorbed. The required heat is generated from evacuated tube solar system and the heat sink is the atmosphere. The adsorption unit is an air-cooled refrigeration unit that can operate at relatively low hot water temperature (60-70° C.) and relatively high atmospheric temperature (30-40° C.). The water condensed from air is than driven through a simple water purification unit to assure its quality as drinking water. The very small electricity needed to operate the hot water and cold water pumps along with the filtration unit and the controller of the adsorption unit is generated from a small Photo Voltaic (PV) unit for stand alone systems.

Abstract: A closed system and method of cooling and remote dispensing beverages (alcoholic or non-alcoholic) to a remote dispensing tower. The closed system employs a closed and sealed loop of continuously circulating coolant. The continuously circulating coolant is daisy chained through a bank of heat exchangers in the closed and sealed loop. Each heat exchanger flash chills a corresponding one beverage to be dispended at the remote dispensing tower via a primary trunk line. The primary trunk line communicates the flash chilled beverage in heat exchange relationship with a supply line of said coolant.

Abstract: Disclosed is a dispenser of an icemaker in a refrigerator for maximizing an inner space when a total size is the same, and for minimizing the total size when the inner space is the same. The dispenser of the icemaker in the refrigerator includes an ice chute being a passage through which the ice produced from the icemaker is discharged; and a container supporter provided at an outer case and disposed to be perpendicular to an outer surface of the outer case when the ice is discharged outside through the ice chute, the contain supporter allowing a container seated thereon to receive the ice discharged from the ice chute. The ice chute is closed and not exposed outside when the ice-discharging process is finished, and the container supporter is not exposed to the outer surface of the outer case.

Abstract: An ice/beverage dispenser is characterized by an ice/beverage dispensing machine having an integral ice making capacity. An icemaker of the dispenser and the ice and beverage dispensing portion share an evaporator that that is utilized both for chilling beverage water for dispensing and for making ice. The evaporator is efficiently utilized in that one side of it is used for making ice and both sides of it are used for chilling water. The present invention uses a processor based control circuit that operates the refrigeration system between ice-making and water chilling modes in such manner as to ensure that cold beverages will always be served. The ice/beverage dispenser also includes a system for quickly combining and separating the ice making and beverage dispensing water supply, water drain and electrical functions.

Abstract: A cooling system for providing cryogenic cooling fluid to an apparatus comprises a re-circulation device, a passive cold storage device having a porous matrix of material which directly contacts the cryogenic cooling fluid as the cryogenic cooling fluid passes through the passive cold storage device, a first portion of a fluid communication feed line fluidly connecting the re-circulation device to the passive cold storage device, a second portion of a fluid communication feed line fluidly connecting the passive cold storage device to the apparatus for communicating cryogenic cooling fluid to the apparatus, and a fluid communication return line fluidly connecting the apparatus to the re-circulation device. The passive cold storage device may comprise a regenerative heat exchanger including a porous matrix of metal wire mesh, metal spheres or ceramic spheres.

Abstract: A method for providing refrigeration to a refrigeration load such as superconducting equipment while reducing or eliminating potential two phase instability oscillations, wherein refrigeration condenses working fluid which is evaporated from the surface of a porous wick housed in an evaporator to generate a capillary pumping force to drive the condensed working fluid to the evaporator.

Abstract: An internal water dispenser for a bottom mount refrigerator is located on an interior side wall of a fresh food compartment. The interior side wall is preferably opposite a hinge side of a door for the fresh food compartment and the dispenser is positioned forward of shelves arranged in the fresh food compartment such that the dispenser is arranged to be readily accessible to the consumer upon initially opening the fresh food door.

Abstract: A thermal control system for directing fluids between a reservoir and a rotatable platform. The system comprises a rotatable platform having an inlet port for receiving a cooling fluid; a reservoir adjacent the platform houses the cooling fluid for transport to the rotatable platform; and a non rotary jointed conduit having a first end immersed in the cooling fluid of the reservoir provides a fluid path for the cooling fluid to the rotatable platform.

Abstract: A user-programmable monitoring and dispensing system for controlling the dispensing of water vapor and various other media into an HVAC air stream in residential or commercial structures. The various media to be dispensed are preferably water-soluble, and mixed with the system water supply to be dispensed with the water vapor added to the HVAC air stream. These materials may be fragrances or aromas, intended to produce an aesthetic effect, or they can be agents capable of pesticidal, bacteriacidal, fungicidal or sporacidal effect for use as acute or prophylactic treatment for infestation. The dispensing system central processor is pre-programmed with a default concentration algorithm for each media to be dispensed. The concentration of media in aqueous solution is initially controlled by this default algorithm at each of several concentration levels, from lowest to highest.

Abstract: A method and apparatus for collecting and chilling wastewater samples and the like provides an insulated sample container vessel that has cooling coils therein for direct contact and heat transfer with a liquid in the container to rapidly cool the liquid. A refrigeration unit keeps the cooling coils cool. The liquid can be a sample which is required to be stored at 1-3 degrees Centigrade. The chiller is different from similar chillers in that the cooling coils simply are inserted in an insulated container, and can be removed therefrom when it is desired to transport the sample. The sample remains cool during transportation even without the cooling coils. The cooling coils are arranged in the ice chest such that coolant from the chiller enters through the upper coils and exits through the lower coils, causing the liquid sample in the upper part of the container to cool more than the sample in the lower part of the container.

Abstract: An ice and water dispenser for refrigerator doors is provided that includes an ice dispensing actuator pad that causes dispenser to deliver ice when activated. The dispenser also includes a water dispensing lever that causes the dispenser to deliver water when pushed. The ice and water dispenser includes a control panel that allows the user to control the dispensing operation, such as whether to dispense crushed or cube ice. Because of the arrangement of the ice and water dispensing actuators, the user can insert a glass into the dispensing cavity and dispense both ice and water simultaneously. Further, because of the arrangement of the ice and water dispensing actuators, the user can fill oversize cups, water bottles, or pitchers without having to awkwardly reach around the cup to manually activate the water dispensing lever or push the ice dispensing actuator.

Abstract: In an oil conditioner comprising: a coolant oil circulation circuit (8) through which a coolant oil of a machine tool (1) is circulated by an oil pump (12); a refrigeration circuit (20) formed by interconnecting, in the order given, a compressor (15), a condenser (16), a pressure reducing mechanism (17), and an evaporator (18) for cooling the coolant oil in the coolant oil circulation circuit (8) by heat exchange with refrigerant; and an inverter (28) for controlling the operating frequency of a motor (14) of the compressor (15), the output from the inverter (28) is switched to a motor (11) of the oil pump (12) during the time the compressor (15) is out of operation so that the amount of coolant oil that the oil pump (12) circulates is made variable, and the amount of coolant oil that the oil pump (12) circulates is reduced when the amount of heat produced in the operation of the machine tool (1) decreases because, for example, the machine tool (1) is stopped, for reducing wasteful consumption of energy by th

Abstract: The present invention comprises a modular unit in which all of the components necessary for conditioning the intake air for a combustion gas turbine are contained. The compressors, evaporators condensers and related pumps and control equipment are contained within a weather proof enclosure having sound insulation installed in the walls. The intake air conditioning system includes three loops, a compressed refrigerant loop, a chilled water loop and a condenser cooling water loop with an optional heating loop. The modular unit provides a three loop cooling system for easy connection to both a combustion gas turbine air inlet and to a cooling water tower. The loops comprise a refrigerant loop, a cooling water loop and a chilled water loop and in one embodiment a heating loop to heat the air going to the turbine.

Abstract: A beverage line (1) and a water line (2) exit from a Python cooling system (3) and enter a manifold (4). The beverage line (1) runs directly through the H-shaped manifold (4) to a tap (5). The water line (2) enters the manifold (4) and water flows through and exits through pipe (6) which surrounds the beverage pipe (1). Adjacent the tap (5), the water flows out of the coaxial pipe (6) and down return pipe (7) which connects into the manifold (4) at connection point (8). The water flows out of the manifold (4) through pipe (9). A bypass pipe (10) is provided in the manifold (4). This allows narrower gauge pipes to be used in the cooling loop without throttling the is flow of water through the Python. A valve (11) is provided in the bypass pipe (10) allowing the flow through the bypass pipe (10) to be reduced or shut off, so that all the flow through inlet pipe (2) is directed through the cooling loop, to remove airlocks.

Abstract: A laboratory thermostat (1) has a bath container (2) for liquid (3) to be tempered as well as a heating device and a refrigerating unit (4). The refrigerating cycle of the refrigerating unit (4) has a compressor (5), a condenser (6), an evaporator (8), as well as an expansion valve (7) controlled by a temperature sensor (10) arranged at the evaporator outlet. In addition, a regulation device (11) is also provided which is connected to a temperature actual value sensor (12) for recording the bath temperature. So that the temperature of the bath liquid can be adjusted to various values and regulated, the temperature sensor (10) of the expansion valve (7) is in thermal contact with a tempering apparatus controlled by the regulating device (11). The extent of the tempering is determined by the regulation device (11) according to the adjusted bath temperature output and the bath temperature measured by the temperature actual value sensor.

Abstract: In a heat storage air conditioning apparatus, a power demand time-sequence data collecting unit collects time-sequence data on demand for power; a power demand curve estimating unit estimates a power demand curve obtained as a result of analysis of the power demand time-sequence data collected by the power demand time-sequence data collecting unit; a thermal energy load demand estimating unit estimates thermal energy load demand from the power demand curve estimated by the power demand curve estimating unit; an operation unit of a thermal-energy source feeds cooling/heating energy; a heat accumulating unit stores the cooling/heating energy supplied from the operation unit therein; a cold/hot air discharging unit discharges the thermal energy stored in the heat accumulating unit; a cooling/heating energy quantity recognizing unit recognizes the quantity of cooling or heating energy dissipated from the cold/hot air discharging unit; and a converting unit converts the quantity of cooling/heating energy into the

Abstract: A system for dispensing carbonated beverage into an open container precisely controls the temperature of the carbonated beverages using an in-line zero&Dgr;T chiller. The chiller preferably includes a flooded freon-bath heat exchanger in which an output temperature of the carbonated beverage from the heat exchanger matches the temperature of freon within the heat exchanger under normal operating conditions. A pressure sensor measures the pressure of freon in the heat exchanger and a freon valve in the refrigeration circuit is electronically controlled in order to adjust the pressure of the freon and consequently the temperature of the freon in the heat exchanger. The optimum temperature for the carbonated beverage is selected either by choice, or in the case of carbonated beverages on ice to approximately the surface temperature of the ice in order to reduce foaming.

Abstract: Method for cooling a product, preferably in gas or liquid form, using the cooling content of a condensed gas, where the condensed gas is vaporized in a vaporization heat exchanger arrangement and the product is cooled in a product-cooling heat exchanger arrangement. Both the vaporization and the product-cooling take place under energy exchange with the vaporized gas. As heat exchanger arrangements, use is made of a combined arrangement (1) comprising a plurality of passages (A, B, C) which are in heat-transferring contact with one another and are used for the different media. The passages (A)_ intended for vaporization of the condensed gas are coupled in parallel between an inlet (5) and an outlet (6) and the media are supplied to the passages so that between a passage (A) for the condensed gas and a passage (C) for the product to be cooled there is at all times at least one passage (B) through which vaporized gas flows.

Abstract: A heat exchanger comprising a precooler and reheater core adjacent a chiller core, first heat transfer passages extending through both cores through which incoming air passes in a first direction, second heat transfer passages extending through the chiller core through which coolant passes in heat exchange relationship with incoming air and perpendicular to the first direction, and third heat transfer passages extending through the precooler and reheater core through which cooled air from the chiller core passes in heat exchange relationship with the incoming air and perpendicular to the first direction. A manifold contiguous with both cores conducts chilled air from the chiller core to the third set of heat transfer passages.Incoming air is chilled in the chiller core and thereafter exchanges heat with the incoming air in the precooler and reheater core to precool the incoming air to form water droplets and to raise the temperature of the chilled air to a usable temperature.

Abstract: The present invention provides a thermal insulator cabinet having high thermal insulating ability and long-term reliability as well as excellent energy-saving and maintenance properties. The thermal insulator cabinet includes a gas-tight container that is filled with a charging gas and a continuous spacing core and a gas-storage container that communicates with the gas-tight container and is filled with an absorbent for absorbing at least the charging gas, wherein the gas-storage container absorbs the charging gas to make inside of the gas-tight container in a state of reduced pressure.

Abstract: A cooling and refrigeration apparatus cools one or more surfaces of one or more food handling devices, such as meat cutting machines, scales, and food preparation areas, so as to inhibit bacterial and other microbial growth thereon. The apparatus includes one or more coolers to lower the temperature of the food contact surfaces to a predetermined temperature which inhibits bacteria and other microbial growth thereon, by providing one or more surfaces at the predetermined temperature adjacent to or at the one or more food handling surfaces. The cooler includes a distributor system of conduit passageways and other distribution devices to distribute one or more cooling media to conductive surfaces of the one or more food handling devices.

Abstract: The invention relates to drink dispensers, particularly such dispensers in which the drink is stored in readily mixed or premixed form in a reservoir. The invention provides an improved heat or cold transmission for such dispensers. The thermal conduction between the bottom of the reservoir and a cooling plate provided in the base is improved by a freezing liquid introduced between the bottom and the cooling plate. The thermal conduction is particularly homogenized and improved by providing a cellulose layer between the reservoir bottom and the cooling plate, the layer taking up or absorbing the liquid.

Abstract: A method and apparatus for desalinizing salt water which includes pumping refrigerant vapor from a first reservoir to a second reservoir wherein pressure is maintained to condense refrigerant vapor pumped into said second reservoir to condense. Salt water admitted into a third reservoir in thermal contact with the second reservoir such that seawater in said third reservoir is evaporated and passes through a vapor trap into a fourth reservoir. The fourth reservoir is in thermal contact with the first reservoir such that heat generated by water vapor condensing in the fourth reservoir is absorbed by liquid refrigerant in the first reservoir such as to aid in evaporation of refrigerant to complete the refrigerant cycle.

Abstract: A self-cooling Stirling cycle cooler (1). The cooler (1) includes a conduit (20) for transporting thermal energy from a first location to a second location. The conduit is a closed loop having first and second ends terminating in a first chamber (29). A pump (14) is mounted in the first chamber (29) for moving the heat energy therein from the first location to the second location. The pump (14) includes a piston (40) which reciprocates in the first chamber (29). A first valve (42) is provided for controlling the direction of a flow of fluid in the conduit (20) into the first chamber (29) and a second valve (46) for controlling the flow of the fluid in the conduit (20) out of the first chamber (29). In a Stirling cycle cooler, the balancer mass is used as the pump piston to facilitate the movement of fluid in the conduit. By utilizing the balancer mass of a Stirling cycle cooler, self-cooling is effected with minimal additional hardware, weight and cost.

Abstract: A vapor compression refrigeration system for providing cold storing which; during a conventional cycle provides cooling to an indoor heat exchanger in the conventional fashion, during a cooling charging cycle refrigeration effect is stored in a heat storage vessel by refrigerant evaporation with the indoor heat exchanger being by-passed and during a discharging cooling cycle refrigerant passes through the heat storage vessel without evaporation and evaporates in the indoor heat exchanger to provide space cooling.

Abstract: A method of operating a heat pump having at least one circuit for circulation of a refrigerant comprising a compressor, a once-through path, complete counterflow type condenser as a high-temperature heat output means, an expansion valve and a low-temperature heat output means (evaporator or a segregated low-stage circuit for circulation of a lower-boiling-point refrigerant), which comprises choosing a supercool degree, which is equal to the difference between a saturation temperature and an outlet temperature of the refrigerant, to satisfy the conditions that a temperature effectiveness of refrigerant liquid as defined by the formula: ##EQU1## is at least 40% and the temperature difference of the denominator is at least 35.degree. C. As a result, boiling water of ca. 100.degree. C. or other high-temperature fluids can be discharged with a large temperature difference.

Abstract: With a process for controlling the operating of a refrigerating unit with an evaporator and a fan, the fan being cut in and cut out independently of the refrigerating unit, which is cut in at a predetermined cut-in temperature, above a set value, and is cut out at a predetermined cut-out temperature, below the set value, to save energy for the refrigerating operation, whenever there is a cutting-out operation of the refrigerating unit, the fan likewise cuts out and then cuts in again as soon as a predetermined cut-in temperature of the fan, lying below the cut-in temperature of the refrigerating unit, is reached.

Abstract: An air-cooled cooling apparatus for cooling a cooling liquid within a cooling pipe of a refrigeration machine comprising a cooling cycle including a coolant compressor, an air-cooled condenser, an expansion valve, and a cooler, thereby cooling liquid of the refrigeration machine. The apparatus also comprises an air-cooled heat exchanger, outdoor-temperature sensors and three-way valves for controlling the flow of the cooling liquid to be cooled. When the outdoor temperature is high, the cooling liquid is supplied to the cooler, and when the outdoor temperature is low, the compressor is shut down and the cooling liquid is isolated from the cooler and supplied to the heat exchanger to be cooled by cold outdoor air.

Abstract: A method of and apparatus for dispensing both particulate ice and cold beverage wherein a common supply of ice is used firstly for dispensing and then secondly for cooling of the beverage. A pair of co-axial rotors are co-rotated about a common vertical axis by a single motor, the upper rotor dispenses particulate ice off of an annular upper bottom. All ice that falls through the open center of the upper bottom irreversibly falls down upon a cold plate and the lower rotor moves the fallen cooling ice on the cold plate for enhanced cooling.

Abstract: A mechanically refrigerated chiller system for a process coolant has a process coolant circuit which includes a coolant reservoir with refrigerant evaporator coils in it. Coolant returns from the process to the reservoir through several and alternate paths. An additional coolant path is provided through a heat exchanger. An extra hot-gas line from the high pressure side of the refrigerant compressor is coupled through the heat exchanger to the refrigerant condenser. When the temperature of the coolant is too low, adjustment is made by adding heat to some of the coolant in the heat exchanger. Coolant temperature is sensed in an area where coolant returns from the process through a direct path and in another area where the coolant is leaving the evaporator through the aforementioned heat exchanger are mixed with a portion of the reservoir coolant.

Abstract: A mechanically refrigerated chiller system for a process coolant has a process coolant circuit which includes a coolant reservoir with refrigerant evaporator coils in it. Coolant returns from the process to the reservoir through several and alternate paths. An additional coolant path is provided through a heat exchanger. An extra hot-gas line from the high pressure side of the refrigerant compressor is coupled through the heat exchanger to the refrigerant condenser. When the temperature of the coolant is too low, adjustment is made by adding heat to some of the coolant in the heat exchanger. Coolant temperature is sensed in an area where coolant returns from the process through a direct path and in another area where the coolant is leaving the evaporator through the aforementioned heat exchanger are mixed with a portion of the reservoir coolant.

Abstract: An air conditioning system and method wherein a central pumping system circulates a heat-exchange liquid, through heating and cooling paths of a refrigeration system to and from air-treating units, and to and from a fluid cooler which acts as a heat sink and also as a heat source. The air-treating units have fans or blowers positioned upstream of the air cooling coils so that the fan heat is discharged through the fluid cooler system during cooling load operation, and that heat is available in the air-treating units during heating-load operation. One embodiment includes a separate line for supplying neutral water to each air-treating unit. The neutral water is mixed with either the hot water or the cold water supplied to each treating unit for temperature control. Another embodiment has only hot and cold water with separate supply and return lines.

Abstract: Disclosed is an add-on system for improving the efficiency of a brine flow refrigerated fish tank. This add-on system includes an upper brine distribution manifold which provides a uniform brine flow over the top of the fish in the fish tank, an interior brine distribution manifold which provides brine flow into the interior of the fish tank when filled with fish, a plurality of perforated plates mounted to the bulkheads forming the sides of the fish tank which provide brine flow courses along the bulkheads, and a suction manifold which provides controlled brine flow from the brine flow courses to the brine circulation pump located outside the fish tank.

Abstract: An air conditioning system and method wherein a central pumping system circulates a heat-exchange liquid (which is water or a glycol solution or other solution called "water") through heating and cooling paths of a refrigeration system and then to and from air-treating units. The fans or blowers of the air-treating units are positioned upstream of the air cooling and heating coils so that the fan heat and pump heat are discharged through the fluid cooler system during cooling load operation, and all of that heat is available for delivery to the air treating units during heating-load operation. In the embodiments shown the air is discharged through the fluid cooler to carry away heat during cooling load operation. One embodiment includes a separate line for neutral water to each air treating unit.

Abstract: An air conditioning system and method wherein a central pumping system circulates a heat-exchange liquid (which is water or a glycol solution or other solution called "water") through heating and cooling paths of a refrigeration system and then to and from air-treating units. The fans or blowers of the air-treating units are positioned upstream of the air cooling and heating coils so that the fan heat and pump heat are discharged through the fluid cooler system during cooling load operation, and all of that heat is available for delivery to the air treating units during heating-load operation. The quantity of outside (fresh) air is selected and controlled so that adequate ventilation is provided, and during cold weather so that multi-story buildings may be provided with adequate pressurization to overcome an objectionable inflow of cold air at ground floor levels at entrances and exits.

Abstract: This invention is relating to an apparatus for adjusting the trace water content of rice koji, wheat koji, wheat bran-koji, steamed rice, steeped rice and the like characterized in that a condensor consists of two heat exchangers connected in series, and one of said heat exchangers is disposed in said air circulating route while the other is disposed outside said air circulating route. The apparatus of this invention can adjust the trace water content of rice koji, wheat koji, wheat bran-koji, steamed rice, steeped rice and the like.

Abstract: A method and apparatus for cooling a fluid coolant is disclosed. Cooling water, not under pressure, is circulated in a container. The coolant is passed under pressure through cooling pipes immersed in the cooling water.

Abstract: In a refrigerating and air-conditioning system provided with a heat storage tank, variation patterns of load and weather conditions are predicted. On the basis of the predicted values, optimum outputs of a refrigerating machine at individual time points within a predetermined operation period are determined for possible water temperatures of the heat storage tank and stored in a memory. In accordance with the actual water temperature of the heat storage tank, the optimum output of the refrigerating machine is retrieved from the memory and utilized for the operation thereof.

Abstract: The invention concerns a heat pump arrangement for heating of houses. The arrangement comprises a compressor, a condensor and a vaporizer, which is a part of an icing machine. The vaporizer is designed as a heat exchanger and is connected to a circulation system comprising an accumulator, to which the ice slush from the icing machine is delivered. Water from the accumulator is delivered to the icing machine. The water in the accumulator can be heated e.g. by means of a solar energy collector, the outdoor air etc. Surface water or waste water from the household can be delivered to the accumulator and replace the ice slush therein.

Abstract: Heat reclaiming method and apparatus for use with a vapor compression refrigeration circuit, a heat transfer fluid, and a heat storage facility. The heat reclaiming apparatus comprises a heat reclaiming condenser connected to the refrigeration circuit for receiving refrigerant vapor therefrom and discharging condensed refrigerant thereto, further connected to a source of the heat transfer fluid for receiving fluid therefrom, and still further connected to the heat storage facility for discharging the heat transfer fluid thereto, and wherein refrigerant vapor passes in heat transfer relation with the heat transfer fluid to heat the fluid and condense refrigerant vapor. The heat reclaiming apparatus further comprises a valve for regulating the flow of heat transfer fluid to the heat reclaiming condenser; and a valve control for controlling the valve to decrease the quantity of heat transfer fluid flowing to the heat reclaiming condenser when the condensed refrigerant therein reaches a predetermined level.

Abstract: An automatic chilled water setpoint temperature control for use with a mechanical refrigeration machine. The control includes means to sense the magnitude of a first electric control signal which is produced by the machine and which is a function of the amount of work done by the compressor of the machine. The control also includes means to change the magnitude of a second electric control signal, which is also produced by the machine and which represents a variable component of the setpoint temperature, in response to a change in the magnitude of the first electric control signal so that the variable component of the setpoint temperature changes in response to a change in the amount of work done by the compressor. The control further includes means to delay changing the magnitude of the second electric control signal so that the amount of work done by the compressor becomes stable before the variable component of the setpoint temperature changes.

Abstract: A beverage dispenser includes a source of pressurized carbonated beverage which is connected to a dispensing valve by a line extending through a refrigerated bath. In the bath, the line includes a thin-wall high-density polyethylene tubing portion having a wall thickness in the range of 0.018 to 0.028, preferably 0.025 inch, and a density in the range of 0.945 to 0.965, preferably between 0.95 and 0.96.

Abstract: Rooms are cooled by water circulating radiators of a heating installation by utilizing liquid nitrogen to cool the water flowing through the radiators or by circulating cold gaseous nitrogen through the radiators after draining the water.

Abstract: An improved refrigeration system for chilling a circulating water supply for reuse in cooling industrial equipment. The system includes a water container having therein a coiled refrigerant tube and a coiled water tube. The coiled refrigerant tube has a plurality of turns normally positioned below the level of water in the container with the coiled water tube being generally positioned within the coiled refrigerant tube in coaxial relationship. Water inlet means is provided adjacent one end of the coiled water tube through which water from the industrial equipment may flow into the water tube and water outlet means is provided adjacent the other end of the coiled water tube from which water from the water tube may flow into the container.

Abstract: Apparatus for and a method of operating a high performance shell and tube type heat exchanger utilizing tubes having integral internal fins. A specific tube circuit configuration is selected to limit the temperature drop of the refrigerant within the tube to a preselected range as the refrigerant flows through the circuit.

Abstract: A cooling system for cooling a hot material comprising a cooling chamber, a heat exchanger in the chamber, gas circulating means for forcing a cooling gas within the chamber in a closed circuit that includes cooling contact with the heat exchanger, means for passing the hot material from a source thereof through the heat exchanger and back to the source and means for selectively providing an additional cooling medium to the cooling system such as a flowable cryogen and particularly a cryogen gas.