Abstract: A temperature maintenance storage comprising a side, a compressor unit, and an insulation pack, with the insulation pack being generally flexible and containing a temperature control fluid. A refrigerant line for conducting a refrigerant extends from the compressor unit and to the insulation pack with the refrigerant line contacting the insulation pack. The insulation pack directly contacts the side and the compressor unit is selectively activated in response to monitored temperatures by a thermostat probe.

Abstract: A system and method for providing cool air to a passenger compartment of a hybrid vehicle in an engine off mode is disclosed. This may include operating a HVAC system to provide cold refrigerant flowing through an evaporator while an engine is operating, and forcing air through the evaporator to cool the air. A first portion of the cooled air from the evaporator is directed through a heater core and a second portion around the heater core, and an electric water pump is activated to pump coolant from a thermal storage tank, through the heater core and back to the thermal storage tank to cool the coolant. When the engine operation is ceased, the air flow is directed through the heater core, and the coolant is pumped from the thermal storage tank, through the heater core and back to the thermal storage tank to cool the air.

Abstract: Provided is a water-cooled air compressor which is capable of restraining lowering of the performance of a plate type compressor for heat-exchanging compressed air from a compressor body, with cooling water due to clogging of gaps between plates in the heat-exchanger by dust or the like, incorporating a first solenoid valve and a second solenoid valve connected respectively in a cooling water supply pipe line and a cooling water discharge pipe line of the heat-exchanger, an air feed pipe line connecting between a compressed air supply pipe line on the outlet side of the heat-exchanger and the cooling water discharge pipe line, a third solenoid valve and a check valve connected in the air feed pipe line, a discharge pipe line connected in a discharge pipe line 18 so as to branch therefrom, a fourth solenoid valve connected in the discharge pipe line, and a control device for controlling opening and closing of the first to fourth solenoid valves.

Abstract: A heat storage device that includes a first heat storage material and a second heat storage material, both of which accumulate heat by heat exchange with a heat afferent medium, and a changeover device that selectively either performs or intercepts heat storage by the second heat storage material. Accordingly, if the absorption of heat by the first heat storage material has decreased, the changeover device changes flow of the second heat storage material so that heat may be extracted from the heat afferent medium by the second heat storage medium. Thus, when the heat afferent medium is a refrigerant, it is possible to supercool the refrigerant thereof. Furthermore, since heat is extracted from the heat afferent medium and is accumulated, accordingly it is possible to anticipate effective utilization thereof.

Abstract: A method of providing cooled air to electronic equipment includes capturing heated air from a volume containing electronic equipment, cooling the heated air by more than fifteen degrees Celsius in an air-to-water heat exchanger, and supplying cooling water to the air-to-water heat exchanger at a temperature above a dew point temperature of the heated air.

Abstract: Disclosed is an automatic switching two pipe hydronic system for conditioning a space. In one embodiment the two pipe hydronic system enables automatic switching from a first mode of operation to a second mode of operation or vice versa in a reduced span of time. The present invention saves fuel, energy and water, when there are lower load conditions that affect boilers, chillers, and cooling towers. In another embodiment, the present invention provides a system for simultaneously heating and cooling a first portion and a second portion of a space by utilizing a plurality of boilers, chillers, heat exchangers, condenser pumps and closed loop pumps by using a plurality of sensors indicating the temperatures inside and outside the space and a controlling module controlling the operation of the system. The present invention can be easily achieved by making minor configurational modifications to existing systems thereby increases system versatility.

Abstract: A hinge assembly and a refrigerator using the assembly are disclosed. The assembly rotatably mounts an access door for a compartment of the refrigerator to part of refrigerator that defines the compartment. The hinge assembly has a body coupled to the part and a hinge manifold supported by the body and slidably received in the access door. The manifold has a first supply conduit for supplying a working medium to an icemaker disposed in the access door and a first return conduit for returning the working medium from the icemaker. The hinge assembly can be manufactured as a separate module to be assembled with the refrigerator or retrofit into an existing refrigerator.

Abstract: A method and apparatus are disclosed for managing thermal energy transfer between a mold, die or cavity and a thermal transfer fluid. The thermal energy being exchanged with the mold, die or cavity is calculated in real time as a function of the temperature differential between inlet and outlet fluid temperatures, the volumetric rate of fluid delivery, and known characteristics of the fluid. The rate of thermal energy exchange is controlled by varying the fluid delivery rate in accordance with a desired thermal energy exchange profile.

Abstract: Disclosed is a method for controlling a hot water circulation system associated with a heat pump. The present invention gives a freezing burst prevention operation function to a water-refrigerant heat-exchanger which performs heat exchange between a refrigerant and water, making it possible to remove a phenomenon that the water-refrigerant heat-exchanger installed out of the space where a user lives is frozen to be damaged.

Abstract: A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus may employ a cascade heat pump including a two-stage cycle to perform a hot water supply operation. Refrigerants flowing through a heat side heat exchanger and a usage side heat exchanger may be heat-exchanged with water. Thus, the hot water supply operation may be continuously performed, without a defrosting operation, and hot water supply performance and heating performance may be improved.

Abstract: The invention relates to a system which is used to cool at least one piece of motor vehicle equipment to a low temperature, comprising a heat transfer fluid circulation loop. According to the invention, a low-temperature heat exchanger (60) and at least one equipment exchanger (102) are mounted to the aforementioned circulation loop. The heat exchange surface of the equipment exchanger (102) is divided into at least first and second heat exchange sections (104,106). A first flow (Q<SB>1</SB>) of heat-transfer fluid passes through the first heat exchange section (104), while a second smaller flow (Q2) passes through the second section. The invention is suitable for motor vehicle heat exchangers.

Abstract: A hybrid heating apparatus heats potable water with waste heat from heat recovery units and insolation from solar collectors. A single circulation pump circulates fluid between at least one heat exchanger and each of the heat recovery units and preferably the solar collector. A single controller receives sensor readings from the heat recovery units and the solar collector units and receives a demand to heat the potable water. To satisfy the demand, the controller determines the extent to which the demand may be satisfied from heat available from the heat recovery units and the solar collector units and sends command signals both to the circulating pump to circulate the fluid and to appropriate ones of valves at connections to those heat recovery units and solar collector units to allow fluid to circulate to be heated to flow to the heat exchanger for effecting heat exchange to heat the potable water.

Abstract: The present invention relates to a system for depressurisation of high pressure pipeline fluids. The system may provide for net power generation without the pressurised fluid undergoing liquefaction or solidification or unacceptable temperature reduction as a result of a Joule-Thompson process. The system is particularly relevant for depressurising high pressure natural gas pipelines in an energy efficient manner whilst making possible net power generation. The system for depressurisation of a pressurised fluid in a pipeline comprises at least one depressuriser for expanding the fluid in the pipeline to a lower pressure; and a transcritical heat pump for circulating a supercritical fluid, wherein the supercritical fluid undergoes cooling so as to release heat for transmission to the pressurised fluid in the pipeline prior to at least one expansion of said pressurised fluid.

Abstract: One embodiment of the present invention is a method for setting and controlling temperature of a device that includes: (a) thermally contacting the device to a heat transfer apparatus, the heat transfer apparatus having an apparatus intake to receive thermal transfer fluid, an apparatus exhaust to output thermal transfer fluid, and a conduit to conduct thermal transfer fluid from the apparatus intake to the apparatus exhaust through the heat transfer apparatus; (b) flowing a first thermal transfer fluid in a first thermal control circuit at a first temperature, and flowing a second thermal transfer fluid in a second thermal control circuit at a second temperature; (c) at a first predetermined time, directing the first thermal transfer fluid to flow to the apparatus intake, and from the apparatus exhaust back to the first thermal control circuit and the second thermal transfer fluid to flow in the second thermal control circuit without flowing to the apparatus intake; and (d) at a second predetermined time, di

Abstract: Climatic test chamber (10) for carrying out a sequence of specified test cycles and cooled by means of at least a refrigerating circuit (100, 200, 410) including a variable-speed compressor (120, 210, 410). During the steps of the test cycles in which said chamber (10) is held at a minimum set temperature, the compressor (120, 210, 410) operates at the minimum rotating speed thereof and the refrigeration capacity is used to cool a cold storage medium. The cold stored by the cold storage medium is then recovered to subcool the refrigerant medium during the cooling-down steps in which the compressor (120, 210, 410) operates at the maximum rotating speed thereof.

Abstract: A system and method is provided for controlling the operation of secondary coolant pump(s) in a refrigeration system having a secondary coolant system that circulates the coolant to applicable cooling loads, and a primary refrigeration system that chills the coolant in the secondary coolant system. The system and method for controlling the pumps measures the pressure of the plurality of secondary coolant fluid loops, sorts the measurements to identify a secondary coolant fluid loop with a pressure farthest from a setpoint, and adjusts pump speed to compensate for the critical loop (i.e., the secondary coolant fluid loop with a pressure furthest from the setpoint).

Abstract: A thermal storage and transfer system includes a cooling system and method using ice or other frozen material with heat pipes to produce a cool airstream. Preferably, the ice is disposed in a container with the condensers and evaporators of the heat pipes respectively inside and outside the container. A fan blows air across the evaporator sections through a duct to circulate within an enclosed airspace to be cooled. A separate refrigeration system which may be used to independently cool the airspace also freezes water or another liquid to produce the ice or other frozen material in the container. The cooling system is broadly applicable, including use on motor vehicles to provide cooling for several hours when the vehicle engine is off. A heating system includes an adsorbent heat exchanger for extracting heat from exhaust gases of an engine and heating an enclosed airspace.

Abstract: An air conditioner for communication equipment according to the present invention comprises an indoor module located inside a base station, and having a storage tank in which cooling water is stored, a pair of circulation pumps which are installed in parallel on a cooling water pipe extending from an outlet of the storage tank, an indoor heat exchanger which is installed on the cooling water pipe extending from outlets of the circulation pumps, and an indoor blower which is positioned adjacent to the indoor heat exchanger; and an outdoor module located outside the base station, and having an outdoor heat exchanger which is installed on the cooling water pipe extending from an outlet of the indoor heat exchanger, an outdoor blower which is positioned adjacent to the outdoor heat exchanger, and a pair of cooling units which are installed in series on the cooling water pipe extending from an outlet of the outdoor heat exchanger.

Abstract: A method of operating a HVAC system in a vehicle having an engine that operates in a high efficiency mode and a less efficient mode is disclosed. The method may comprise the steps of: operating a refrigerant compressor to cool a passenger compartment and charge a cold thermal storage apparatus; determining if a cold charge in the storage apparatus has exceeded a threshold; enabling compressor cycling if the cold charge in the storage apparatus has exceeded the threshold; detecting if the engine is operating in the high efficiency mode; determining an amount of HVAC loads on the engine; determining a proximity of the engine operation to a switching point from the high efficiency mode to the less efficient mode; and conducting a HVAC load shed if the HVAC load reduction allows the engine to stay below the switching point and the compressor cycling is enabled.

Abstract: A refrigeration system includes a primary loop that cools a secondary loop that circulates a coolant through a refrigeration load. The secondary loop includes a suction header to receive the coolant from the load, and a discharge header to direct the coolant to the heat exchanger, and a pump to pump the coolant from the suction to the discharge header. A charging loop maintains a pressure of the coolant in the supply header within a predetermined range, and includes an inlet from the discharge header and an outlet to the suction header. A flow nozzle and a valve are located between the inlet and the outlet, and a reservoir of make-up coolant communicates with the flow nozzle. Upon a low pressure condition in the suction header, the valve opens to permit flow of coolant through the flow nozzle to draw in make-up coolant from the reservoir.

Abstract: A preferred embodiment of the MEMS cooling device of the invention comprises one or more MEMS micro-channel volumes in communication with one or more MEMS micro-pump assemblies wherein each micro-pump assembly comprises a flexure valve, such as a leaf valve and means to drive a coolant through the channel volumes such as an electrostatic interleaved comb drive structure. A preferred embodiment comprises an inlet micro-pump assembly and an outlet micro-pump assembly but the device may also be fabricated with a single pump mechanism per channel volume.

Abstract: The invention relates to a system which is used to cool at least one piece of motor vehicle equipment to a low temperature, comprising a heat transfer fluid circulation loop. According to the invention, a low-temperature heat exchanger (60) and at least one equipment exchanger (102) are mounted to the aforementioned circulation loop. The heat exchange surface of the equipment exchanger (102) is divided into at least first and second heat exchange sections (104,106). A first flow (Q<SB>1</SB>) of heat-transfer fluid passes through the first heat exchange section (104), while a second smaller flow (Q2) passes through the second section. The invention is suitable for motor vehicle heat exchangers.

Abstract: A control system for controlling delivery of either heated or cooled water over a common water line to a plurality of heat exchangers. The control system includes a hydronic system controller which polls the heating or cooling demands of zone controllers controlling the respective delivery of water to the individual heat exchangers. The hydronic system controller is operative to implement a changeover between delivery of heated water to delivery cooled water or vice versa. The implemented changeover preferably includes checking the temperature of the water being returned to the source or sources for heating or cooling the water as well as defining a changeover time period which must occur in the event that the temperature of the water in the return line is not within a predefined range.

Abstract: The present invention provides a process for cooling a polymerization reactor having at least four leg jackets. In the four leg jacket embodiment, the process comprises pumping a first coolant through a first pair of leg jackets, and pumping a second coolant through a different pair of leg jackets. In this process, the first coolant does not contact the second coolant while inside the leg jackets.

Abstract: An air conditioning system for cooling or heating an air, and for feeding the heated or cooled air to predetermined portions is characterized by comprising: a first circulating circuit for circulating a first heating medium; a second circulating circuit for circulating a second heating medium; a control unit for controlling the heat for executing heat exchange between the first heating medium and the second heating medium to flow through either the heat exchanger or the first heat storing device. Moreover, an air temperature is controlled by heat of the second heating medium.

Abstract: In a constant temperature liquid circulating device that connects a piping of circulating liquid in an external device between a discharge port and a return port of a conduit for delivering the circulating liquid at a constant temperature by a pump, a flow amount sensor and temperature sensors for detecting discharge temperature (T1) of the circulating liquid from the conduit and the return temperature (T2) of the circulating liquid are provided in the conduit, so that the flow amount and the temperature of the circulating liquid is controlled by a controller according to the heat load of the external device obtained on the basis of the outputs from the temperature sensors.

Abstract: A chiller for supplying chilled fluid for cooling a room includes two distinct power inputs. A critical power input is configured to supply power to a controller and to a pump in a chilled-fluid loop that circulates a cool working fluid through an air handler 34 to cool the air in the air handler. A non-critical power input is configured to supply power to a compressor and, possibly, other elements of a refrigeration loop that includes an evaporator, the compressor, and a condenser to provide refrigeration via an evaporation/condensation cycle. When power is lost to the non-critical power input, the critical power input can continue to independently power the circulation of the working fluid through the chilled-fluid loop to continue to provide a level of cooling in the air handler.

Abstract: An apparatus for optimizing an efficiency of a refrigeration system, comprising means for measuring a refrigeration efficiency of an operating refrigeration system; means for altering a process variable of the refrigeration system during efficiency measurement; and a processor for calculating a process variable level which achieves an optimum efficiency. The process variables may include refrigerant charge and refrigerant oil concentration in evaporator.

Abstract: An automotive air conditioning system has a primary hot water circuit 11 located on a side where a vehicle installed heat generator 10 is located and a secondary hot water circuit 13 which includes a hot water type heater core 12 for heating passenger compartment outlet air, whereby when in a heating mode, in the event that a coolant temperature TW1 of the primary hot water circuit is lower than a coolant temperature TW2 of the secondary hot water circuit 13, an opening and closing valve 26 is closed, whereas an opening and closing valve 23 is opened, so that a state is created in which the hot water circuits 11, 13 are separated from each other.

Abstract: A heat exchanger apparatus enables the temperature of a liquid located external to the apparatus in a recirculation loop to be controlled by heat transfer within the apparatus. A manifold fitting is also provided for distributing fluid from multiple conduits to a single conduit.

Abstract: A compressor for a turbo chiller that can stably and efficiently operate in various operating states is provided. An aerodynamic feature map showing a rotating stall line at which rotating stall occurs is provided on a map represented by a flow parameter reflecting the volume flow based on the output thermal capacity of the chiller and by a pressure parameter reflecting the head based on the evaporator pressure and the condenser pressure. A minimum rotation speed obtaining unit obtains a minimum rotation speed from the pressure parameter and the rotating stall line on the aerodynamic feature map in the current operating state, and a rotation speed greater than or equal to the minimum rotation speed thus obtained is designated to the inverter.

Abstract: A multiple-temperature beer dispensing system (10) (and related methods) is provided in which a plurality of beer sources (12) are coupled to a plurality of taps (16). Heat exchangers (18) may be disposed between one or more of the beer sources (12) and one or more of the taps (16). Beer temperatures may be controlled with a controller (30), sensors (32) and valves (34). Also provided is system (50) that allows a single tap (16n) to dispense beer at more than one temperature. Also provided is a controlled temperature storage chamber (100) and a tube bundle (70).

Abstract: An air-treatment system includes a cooling circuit, a first heat exchanger in thermal communication with the cooling circuit, and a secondary circuit in thermal communication with the first heat exchanger. The air-treatment system also includes a controller in communication with at least one of the cooling circuit, the first heat exchanger, and the secondary circuit. The controller is operable to receive at least one input indicative of a desired ambient condition, operable to receive at least one input indicative of current ambient conditions, operable to receive at least one input indicative of at least one of the cooling circuit operation and secondary circuit operation, and operable to change the operation of at least one of the cooling circuit and the secondary circuit when the current ambient condition is outside of a desired operation condition range.

Abstract: The chilled water storage for milk cooling process encompasses methods for chilling liquids during off peak hours for later consumption, including a method for cooling the interior of a building while conserving energy during peak demand hours, in which water is chilled in a water chiller during the off-peak electrical demand hours, then stored in an insulated tank until peak electrical demand hours. The stored cold water is then pumped through a heat exchanger connected to the ventilation system in the building to cool the air in the building. The water then passes into a second storage tank, where it is held until off-peak hours. A plurality of multi-directional valves automatically control the water flow through the system.

Abstract: An air-conditioning system embodiment for temperature control in a vehicle comprises heater cores, controllably connected to a coolant contour, outletting the conditioned air towards a person sitting in a chair, or into a food compartment. Some cores are mounted inside of chairs' backs situated in front of rear passengers, other cores are mounted in the chair back and inside the chair seat. A refrigerant-coolant heat exchanger provides heat exchange between a refrigerant contour and the coolant contour, cooling the coolant supplied to the cores. A refrigerant compressor is driven by a hydraulic motor, operated by pressurized oil delivered through a hydraulic contour from a first hydraulic pump driven by the vehicle's engine connected to the first pump through an electromagnetic clutch, or alternatively from a second hydraulic pump driven by a substitute engine, connected to the second pump through another electromagnetic clutch, both clutches are controlled by a thermostat.

Abstract: A process for cooling liquids wherein a coolant is cooled in a chiller during off-peak electrical demand periods, then directed to a first insulated storage vessel where it is stored until off-peak electrical demand periods have ended. During peak electrical demand periods, the coolant flows from the first insulated storage vessel to a flat plate heat exchanger, where a flow of liquid to be cooled, entering through a second conduit, is cooled. The cooled liquid exiting the heat exchanger is directed to a second insulated storage vessel where little or no further cooling of the liquid will be necessary during peak electrical demand periods.

Abstract: There is provided a heating medium circulating apparatus which is small and which does not require a very large installation space. In a heating medium circulating apparatus wherein a temperature controlling object being an object to be temperature-controlled, a main heat exchanger 88 for carrying out main heat exchange with a heating medium, and a circulating pump 84 are provided in a heating medium circulating system 78, a sub-heat exchanger 96 using a thermoelectric element 100 is provided in the heating medium circulating system downstream of the main heat exchanger to control the temperature of the heating medium. Thus, the apparatus itself is small, and the installation space is not very large.

Abstract: A real temperature output air conditioner which lowers the ambient temperature of an interior space to a desired temperature and, once that has been achieved, delivers a constant flow of air at that specific temperature thereto. The present invention further includes a reservoir within the evaporator unit in which the evaporator coils and heater element are immersed. The evaporator coils and heat element act upon the fluid wherein thermal transfer to the ambient air is enhanced and dissipated to the interior space by the evaporator fan.

Abstract: A method and apparatus for detecting surge in a refrigeration system that includes a centrifugal compressor having an impeller and a compressor entrance, an evaporator that receives a fluid refrigerant, a suction line that flows the refrigerant from the evaporator to the compressor entrance. The evaporator includes a heat-exchange coil supplied with a liquid through a supply line entering the evaporator. The liquid is disposed in a heat-exchange relationship with the refrigerant within the evaporator. The method and apparatus automatically and periodically performing the steps of measuring a fluid temperature of the liquid proximate the supply line entering the evaporator; measuring a refrigerant temperature of the refrigerant proximate the compressor entrance; and using the fluid temperature and the refrigerant temperature to detect surge in the refrigeration system.

Abstract: A refrigeration system includes a housing and a plurality of pans removably positionable therein. A water chilling system is disposed within the housing and includes a compressor and a water reservoir housing a cooling coil disposed therein. A plurality of pipes are disposed inside and outside the water reservoir respectively for channeling chilled water out of the reservoir and warm water into the reservoir. A pump is disposed within the reservoir and connected to one of the plurality of pipes for pumping chilled water outwardly and away from the reservoir. A plurality of tubes are connected to the plurality of pipes for channeling water away from and towards the plurality of pipes, respectively. The water chilling system further includes a plurality of coils having substantially serpentine shapes selectively positionable within the pans for directing chilled water into the plurality of pans and for cooling the products disposed therein.

Abstract: A method for optimizing free cooling activation comprising the steps of operating an air conditioning unit in a chiller mode, determining a building load, determining a free cooler maximum available capacity (FreeCapM), and activating a free cooling mode of the air conditioning unit when the free cooler maximum available capacity is greater than or equal to the building load.

Abstract: A method of controlling a hydronic system is provided. The hydronic system includes a plurality of fluid heat exchange units for feeding a load, and a bypass valve for bypassing the load. The method includes operating at least a first and a second fluid heat exchange unit in the hydronic system to heat or cool a fluid. An output fluid flow of each of the operating fluid heat exchange units is monitored. The monitored output fluid flow of each fluid heat exchange unit is compared to a predetermined fluid flow setpoint. The output fluid flow of each of the operating fluid heat exchange units is adjusted towards the predetermined fluid flow setpoint if the monitored output flow is different from the predetermined fluid flow setpoint by at least a predetermined margin. A combined output fluid flow of the operating fluid heat exchange units is also monitored. The bypass valve is at least partially opened if the combined output fluid flow is below a predetermined minimum combined output fluid flow.

Abstract: A brine supply unit for supplying brine to at least one load after controlling the brine so as to meet a target temperature of the load comprises: a heat exchanger disposed at a brine-cooling channel, through which the brine returned from the load flows, for cooling the brine with water for industrial use; a heater disposed at a brine-heating channel formed in parallel with the brine-cooling channel, through which the brine flows, for heating the brine; a mixing section disposed at a connecting portion between the brine-cooling channel and the brine-heating channel, for mixing the cooled brine and the heated brine; and a tank disposed between the mixing section and the load, which has a capacity of about 10 liters or more and is constructed so that the brine can pass therethrough slowly to relieve a sudden temperature change of the brine.

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 semiconductor processing system includes a control section that refers to recipe information on a process sequence, thereby detects that a processing apparatus will shift from an ordinary operation state to a long idle state, and switches thermo-medium circulation apparatus from an ordinary mode to an energy-saving mode after the shift to the long idle state. The control section refers to recipe information on the process sequence or another process sequence, thereby detects that the processing apparatus will shift from the long idle state to the ordinary operation state, and switches the thermo-medium circulation apparatus from the energy-saving mode to the ordinary mode before the shift to the ordinary operation state. A thermo-medium is circulated at a first flow rate and at a second flow rate smaller than the first flow rate in the ordinary mode and the energy-saving mode, respectively.

Abstract: A heat transfer apparatus includes one heat exchanging system having a compressor coupled between a condenser and a heat exchanger. A further heat exchanging system includes a water pump, an ion exchange filter coupled between the water pump and the heat exchanger, to filter negative ions, positive ions, mineral materials, and/or impurities from the water. A temperature detecting member may actuate a heater to maintain the water temperature. A water cycling system includes a water reservoir to maintain the water pressure in the further heat exchanging system. An air relief valve may relieve air bubbles to reduce shocks and vibrations in the heat exchanging system.

Abstract: A cooling system for a vehicle which includes a coolant circuit (21) for circulating coolant to cool a unit (1) carried on the vehicle; a refrigerant circuit (41) for circulating refrigerant for an air conditioner of the vehicle; and a heat exchanger (15) connected to the coolant and refrigerant circuits (21, 41), provided with a storage medium (25) for storing cool of the refrigerant. The heat exchanger (15) carries out heat-exchanges between the coolant and the storage medium, and between the coolant and the refrigerant.

Abstract: An object of the present invention is to suppress to a sufficiently small level variation in the temperature of an object in a case where the temperature of an object is controlled to a desired value using heat transfer fluid. A controller (9) controls the power of a thermoelectric conversion device (6) which is used for cooling or heating heat transfer fluid supplied to an object (5). The controller (9) performs a feedback control operation using the temperature (T1) of the heat transfer fluid emitted from the thermoelectric conversion device (6) and the temperature (Ts) of the object. In this feedback control operation, the difference between the object temperature (Ts) and the heating medium temperature (T1) is added to a set temperature (SV), whereby a target temperature of the heating medium temperature (T1) is calculated.

Abstract: An air conditioning system is disclosed which takes advantage of low ambient temperature conditions so as to activate a refrigerant flow that bypasses the compressor. The activation of the refrigerant flow is achieved by the intelligent control of a pump positioned between the outlet of the condenser and the inlet of an expansion device upstream of the evaporator. The refrigerant flow produced by the pump does not require any particular positioning of the condenser and evaporator components with respect to each other. The evaporator preferably absorbs heat from water circulating in a secondary loop which is used to remove heat from a building by one or more fan coil units.

Abstract: A process for cooling liquids wherein a coolant is cooled in a chiller during off-peak electrical demand periods, then directed to a first insulated storage vessel where it is stored until off-peak electrical demand periods have ended. During peak electrical demand periods, the coolant flows from the first insulated storage vessel to a flat plate heat exchanger, where a flow of liquid to be cooled, entering through a second conduit, is cooled. The cooled liquid exiting the heat exchanger is directed to a second insulated storage vessel where little or no further cooling of the liquid will be necessary during peak electrical demand periods.