|| List of recent Evaporator-related patents
|Water purification system|
A distillation system comprising: an evaporator section for holding a source liquid to be distilled and including a first heat exchanger arranged to heat the source liquid; a condenser section for receiving vapor from the evaporator section and condensing it to form a liquid distillate and including a second heat exchanger arranged to cool the vapor; and a heat exchange system comprising the first and second heat exchangers connected by means of a fluid circuit containing a working fluid that circulates between the first and second heat exchangers, the fluid circuit further comprising a compressor for compressing fluid passing from the second heat exchanger to the first heat exchanger, and a throttle valve limiting flow between the first heat exchanger and the second heat exchanger. The compressor can comprise first and second heat exchange chambers, each chamber including an inlet and outlet for the working fluid in the fluid circuit, and a chamber heat exchanger connected to a supply of temperature-controlled fluid..
|Dual evaporator refrigeration system with zeotropic refrigerant mixture|
A refrigeration system is provided that uses dual evaporators and a zeotropic refrigerant mixture to provide more efficient cooling. The refrigeration system can be used in e.g., a refrigerator having a fresh food compartment and a frozen food compartment to provide separate cooling for each compartment.
A refrigerator is provided. The refrigerator may include a body having storage chambers formed therein, and a compressor, a condenser, an expansion device, and an evaporator that form a refrigerating cycle to cool the storage chambers.
|Low energy air cooler-heater|
A set of devices that use pressure envelope (atmosphere) to leverage creating small volume changes with small amount of work to create larger heat energy temperature differences. Piston and turbine based devices using the same principles of exchanging heat for work allow production of temperature change proportional to volume times air pressure, while consuming less power, only the power required to deflect the piston from its point of equilibrium (volume times pressure increase or decrease) or the equivalent effect with a turbine.
|Refrigeration cycle device|
A refrigeration cycle device circulates a refrigerant, which is a zeotropic refrigerant mixture. In a refrigeration cycle, a compressor, a condenser, an expansion valve, and an evaporator are connected by a refrigerant pipe.
|Air-conditioning apparatus for vehicle|
An air conditioning apparatus for a vehicle includes a refrigerant heater 41 that is provided between an internal evaporator 8 and a suction side of an electric compressor 20 to be in parallel with an external evaporator 32, and heats a refrigerant which is suctioned into the electric compressor 20; and an air conditioning control apparatus 50 that determines whether the external evaporator 32 is frosted. While the air conditioning apparatus for a vehicle operates in a heating mode, when the air conditioning control apparatus 50 determines that the external evaporator 32 is frosted, a supply of the refrigerant subject to the heat exchange in an internal condenser 9 to the external evaporator 32 is stopped, and the refrigerant is supplied to the refrigerant heater 41, is heated and then, is suctioned into the electric compressor 20..
|Method and system for hybrid cooling systems|
Systems and methods are provided for a hybrid cooling system is provided that includes a load center with a load center inlet and a load center outlet. The system also includes a condenser that has a condenser inlet and a condenser outlet.
|Method for operating a cyclical thermal adsorption heating or refrigeration system, and device|
The invention relates to a method and a device for operating a cyclical thermal adsorption heating or refrigeration system having a desorption phase and an adsorption phase, comprising at least one adsorber/desorber unit (a/d), a refrigerant cyclically adsorbed during the adsorption phase and desorbed during the desorption phase, and an evaporator/condenser unit (v/k) that acts as an evaporator (v) or as a condenser (k) depending on the process phase. The method and the device intended for carrying out the method are characterized by a cyclic heat recovery that occurs at the same time in a heat recovery circuit having a temporary store (zs) and a heat transfer medium, comprising the following steps.
|Air conditioner for electric vehicle|
An air conditioner of an electric vehicle according to the present invention includes a compressor for compressing refrigerant, an indoor heat exchanger for performing heat exchange between refrigerant introduced into the indoor exchanger after emerging from the compressor and air, an outdoor heat exchanger for performing heat exchange between refrigerant introduced into the outdoor heat exchanger and outdoor air, a first expansion device arranged between the indoor heat exchanger and the outdoor heat exchanger, to expand refrigerant introduced into the first expansion device, an evaporator for evaporating refrigerant introduced into the evaporator, to dehumidify indoor air, a second expansion device arranged between the outdoor heat exchanger and the evaporator, to expand refrigerant introduced into the second expansion device, a first bypass line connected to guide refrigerant emerging from the indoor heat exchanger to flow toward the evaporator after bypassing the first expansion device and the outdoor heat exchanger, and a second bypass line connected to guide refrigerant flowing toward the evaporator to flow toward the compressor after bypassing the evaporator. During a heating operation, the first bypass line is selectively used in accordance with an outdoor temperature, and the second bypass line is selectively used in accordance with an indoor humidity..
|Orc heat engine|
An orc heat engine including a working fluid circuit having an evaporator for heating and evaporating a working fluid, a condenser for cooling and condensing the working fluid, and a positive displacement expander-generator having an inlet in fluid communication with the evaporator and an outlet in fluid communication with the condenser. The orc heat engine further includes a control system coupled to the positive displacement expander-generator having a switch and driving means, the switch being switchable between a first state and a second state, wherein in the first state the switch is coupled to the driving means, and the positive displacement expander-generator is drivable by the driving means, and in the second state the switch is not coupled to the driving means or the driving means is switched off, and the positive displacement expander-generator is not drivable by the driving means..
|Heat pump laundry dryer|
The present invention relates to a heat pump laundry dryer (1) comprising a drum (2) wherein the laundry to be dried is placed, an air duct (3) wherein the processing air cycle is realized, a processing air fan (4) that provides the circulation of the processing air, a compressor (5) that realizes the refrigerant cycle, an evaporator (6) that provides the processing air in the air duct (3) to be dehumidified, a condenser (7) that provides the dehumidified processing air to be heated, a refrigerant line (8) that provides the refrigerant pressurized by the compressor (5) to pass through the condenser (7) and the evaporator (6) to be delivered to the compressor (5) again and a cooling fan (9) that provides the compressor (5) to be cooled.. .
|Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production|
Process for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the high-boiling fractions and residues which are obtained in the distillative purification of trimethylolpropane, characterized in that these high-boiling fractions and residues are combined and a polar solvent is added to produce a solution and the solution is treated at a temperature of 120 to 280° c. And at a pressure of 2 to 25 mpa with hydrogen in the presence of a solid nickel catalyst and an acidic compound.
|Evaporation source assembly, film deposition device and film deposition method|
An evaporation source assembly used for depositing film on a substrate is provided, the evaporation source assembly comprises: a body comprising a top element, a bottom element and side walls defining a hollow chamber together, the bottom element comprises a plurality of inlet openings communicating with the chamber; a plurality of nozzles located at the top element and communicate with the chamber; a plurality of evaporators for containing and evaporating the evaporating material, which are positioned below the body and correspond to inlet openings respectively; each evaporator has an opening through which the evaporators is connected with corresponding inlet openings; and a plurality of connecting pipes for connecting the opening of the evaporators with the inlet openings, the connecting pipes are tapered pipes with a broad top and a narrow bottom to improve the vapor pressure of the evaporating material in the body to reach pressure balance.. .
|Heat pipe heat sink for high power density|
A heat sink is disclosed including a cold plate, a plurality of heat pipes, and a plurality of fins. The cold plate has a first surface arranged substantially vertical and adapted to thermally couple to a heat source.
|Vessel based marine water evaporation system|
An evaporator system for evaporating wastewater comprises an evaporation chamber; a heat exchanger disposed within a hollow interior of the evaporation chamber; a spray pump and at least one spray nozzle for spraying the wastewater onto the exterior surface of the heat exchanger; a control apparatus configured to control the operation of the heat exchanger, the spray pump and the evaporation chamber; a housing; and a power source. The heat exchanger may comprise at least one hollow body that has a wall with an exterior surface and an interior surface, a first opening at a first end of the at least one hollow body, a second opening at a second end of the at least one hollow body..
|Heat pipe heat sink with heating unit|
A heat sink is disclosed including a cold plate, a plurality of heat pipes, a plurality of fins, and a heating unit. The cold plate has a first surface adapted to thermally couple to a heat source.
|Heating and cooling apparatus|
A heating/cooling plate device for heating and/or cooling an object through a range of operating temperatures extending both above and below ambient. The device having a heating element to heat the plate, and a vapor compression refrigeration system through which refrigerant flows to cool the plate.
A cooling device, provided with a coolant circuit for cooling a volume, such as a cold store, or an arrangement, such as a beverage dispensing unit, includes a pump for pumping a coolant into the coolant circuit, and a heat emission member for emitting heat absorbed by the coolant circuit from the volume or the arrangement, wherein the heat emission member is in heat exchanging communication with an evaporator of the refrigerant circuit, the refrigerant circuit being a different circuit than the coolant circuit, wherein the heat emission member of the coolant circuit and the evaporator of the refrigerant circuit are connected in a heat exchanging manner via a heat conducting substance.. .
|Single point linear evaporation source system|
The disclosure discloses a single point linear evaporation source system comprising a body, an evaporator and two guiding plates. The body comprises an elongated chamber, and the surface of the body towards the substrate is provided with a plurality of nozzles communicating with the chamber for ejecting evaporating vapor towards the substrate.
|Absorption refrigeration machine|
The invention relates to an absorption refrigeration machine (10) that includes an evaporator (12) and an absorber (18) and is characterized in that the evaporator (12) comprises at least one evaporating unit (12′) having a coolant channel (26), through which the coolant (16) flows and which is delimited at least in part by a heat-conducting, vapor- and liquid-tight wall (24), and having at least one refrigerant channel (28) that adjoins the heat-conducting wall (24), is loaded with the refrigerant (14), and is separated from a vapor chamber (32) by a vapor-permeable, liquid-tight membrane wall (30) on the side of the refrigerant channel opposite the heat-conducting wall (24), and in that the absorber (18) comprises an absorption unit (18′) having a cooling-medium channel, through which a cooling medium (34) flows and which is delimited at least in part by a heat-conducting, vapor- and liquid-tight wall (36), and having an absorption channel (40) which adjoins the heat-conducting wall and to which the concentrated, low-refrigerant pair of working substances (22) is fed and which is loaded with refrigerant vapor (20) from the vapor chamber (32) via a vapor-permeable, liquid-tight membrane wall (42) provided on the side of the absorption channel opposite the heat-conducting wall (36).. .
|Solar cooling with an ammonia-water-absorption refrigeration machine|
The invention relates to a single-stage ammonia-water absorption refrigeration machine in a batch process without solution pump and without rectification, consisting of a generator (1) with pressure reducer (29) and solution concentration optimization (3), absorber (14), condenser (25), evaporator (24), wherein the generator (1) together with a back-cooled input vessel (3) and the pressure reducer form a structural and pressure unit, in which the pressure reducer (29), at the start of each operating cycle, reduces the generator pressure below the absorber pressure, in such a way that from there via a check valve (69) solution flows in the back-cooled generator input vessel (3), fills it, and from there the solution gradually flows, following gravity, into a hot zone (1), which advantageously but not necessarily consists of a preheating zone (11) that is heated by the absorber (18) and an externally heated hot zone (12), where ammonia vapor is formed, which is directed by a siphon duct (8) from below through the residual solution still situated in the generator input vessel (3) and where, from the top end of this generator inlet vessel, a gas line leads through a check valve (27) to the condenser (25), while the boiled solution flowing out of the hot zone (1) flows through the pressure reducer (29) and through a check valve (40) as well as a pressure reduction stage (17) to the absorber (14).. .
A refrigerator includes a main body with a first storage compartment; a first evaporation compartment provided within the main body in order to cool the first storage compartment; and a first evaporator provided in the first evaporation compartment. The refrigerator further includes a second storage compartment independently provided in the first storage compartment including a case forming an insulation space so as to maintain a temperature lower than the first storage compartment and a drawer to insert into and remove from the case; a second evaporation compartment, independent from the first evaporation compartment, formed in the second storage compartment; and a second evaporator provided in the second evaporation compartment..
|Vehicle air-conditioning apparatus|
An outdoor unit disposed under a floor of a vehicle and including a compressor and an outdoor heat exchanger serving as a condenser during a cooling operation, an indoor unit disposed at a ceiling portion of the vehicle, including an indoor heat exchanger serving as an evaporator during the cooling operation, and connected to the outdoor unit by refrigerant pipes, and an inverter unit including a cooling heat exchanger serving as an evaporator, an air-conditioning inverter device, and a cooling air-sending device sucking outdoor air for heat exchange by the cooling heat exchanger and cooling the inverter device by cooled air obtained by the heat exchange are provided; and the cooling heat exchanger is connected in parallel to the outdoor unit by refrigerant pipes.. .
|Air heating unit of the air-conditioning|
The present invention relates to an air heating unit of the air-conditioning including a compressor, a thermal compensation device and an air cooled condenser connected sequentially with one another by pipeline to define a refrigeration cycle. A high-temperature gaseous refrigerant flowing in inner and outer tubes of the thermal compensation device performs transfers heat with an intermediate-temperature liquid refrigerant flowing in mid tube, so that temperature of a liquid refrigerant flowing in a capillary gap between mid and inner tubes is increased to achieve liquid expand and flow restrained effects.
|Binary power generation system|
A binary power generation system includes: a first pressure reducing steam-liquid separator which reduces the pressure of geothermal heat source water to separate the geothermal heat source water into water steam and hot liquid water; a steam turbine which is driven by geothermal water steam; a medium turbine which is driven by medium vapor obtained by evaporating a medium liquid with the geothermal heat source water as a heat source; a condenser/evaporator which is configured to transfer the heat of the water steam discharged from the steam turbine to the medium liquid so that the water steam is condensed and the medium liquid is evaporated; and a gas cooler which leads a working medium discharged from the medium turbine to thereby cool condensed water obtained by the condenser/evaporator and separate and discharge noncondensable gas contained in the condensed water.. .
|Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production|
Process for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the high-boiling fractions and residues which are obtained in the distillative purification of trimethylolpropane includes three stage distillation characterized in that second and third stages are configured as thin film evaporators with a column attachment with the second stage facilitating trimethylopropane recovery and the third stage facilitating ditrimethylolpropane recovery.. .
|Extendable flex door for evaporator division|
An hvac airflow door assembly including a pivot hub, a main body, and a flexible member. The pivot hub is connectable with a pivot member for pivoting the door assembly.
|Plasma enhanced thermal evaporator|
The present invention generally provides a method for forming a photovoltaic device including evaporating a source material to form a large molecule processing gas and flowing the large molecule processing gas through a gas distribution showerhead and into a processing area of a processing chamber having a substrate therein. The method includes generating a small molecule processing gas, and reacting the small molecule processing gas with a film already deposited on a substrate surface to form a semiconductor film.
|Fuel cell module|
A fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area disposed around the first area where a heat exchanger is provided, an annular third area disposed around the second area where a reformer is provided, and an annular fourth area disposed around the third area where an evaporator is provided, and a condensed water collecting mechanism for collecting condensed water produced by condensation of water vapor in a combustion gas by allowing the condensed water to flow through the fourth area, then, the third area, then, the second area, and then, the first area.. .
|Method for recovering di-trimethylolpropane by distillation|
Distillative process for obtaining ditrimethylolpropane from solutions includes separating ditrimethylolpropane from the solution in a first distillation unit into a first tops fraction comprising low-boiling compounds having a lower boiling point than ditrimethylolpropane and a first bottoms fraction; introducing the first bottoms fraction into a second distillation unit having at least 5 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement and drawing off a second tops fraction comprising intermediate-boiling compounds having a lower boiling point than ditrimethylolpropane as well as withdrawing a second bottoms fraction from the second distillation unit and introducing the second bottoms fraction into a third distillation unit having at least 4 theoretical plates, said unit being configured as a thin-film evaporator with a column attachement, such that ditrimethylolpropane is obtained as a third tops fraction and high boilers are removed as a third bottoms fraction.. .
|Adsorption heat pump|
An adsorption heat pump includes: a first evaporator that evaporates a first fluid; a condenser that condenses the first fluid; a heater; and a rotary adsorption device. The rotary adsorption device includes: partitioning portions that radially partition a space encircling the rotation axis into plural regions, that each include a flow path for internally retaining and discharging a second fluid, and that each include an adsorbent on an outer surface thereof or on a wall surface of the flow path; and a pair of closure portions that close off both ends, in the direction of the rotation axis, of the plural regions.
A refrigerator with a main body including a refrigerating compartment at a temperature higher than a freezing temperature and a freezing compartment at a temperature lower than the freezing temperature, a deep-freezing storage chamber within the main body at a temperature lower than that of the freezing compartment. The refrigerator further includes a compressor, a condenser connected to an outlet-side of the compressor, a first expansion valve connected to an outlet-side of the condenser, a first evaporator connected to an outlet-side of the first expansion valve, and a heater disposed outside the first expansion valve..
|Method for controlling refrigerator|
A method for controlling a refrigerator includes driving a compressor, operating a switching valve to allow a refrigerant to flow into at least one main expansion valve, opening a cool air passage connecting a refrigerating compartment to a main evaporator to cool the refrigerating compartment, operating the switching valve to switching a flow direction of the refrigerant into at least one deep-freezing expansion valve when a temperature of the refrigerating compartment is cooled to a temperature lower than a set temperature, thereby cooling the deep-freezing storage chamber, and operating the heater.. .
|Control device for air conditioner|
The present disclosure simplifies the h-bridge circuit of the direct current motor for driving the damper (door) that switches the air passages in the indoor unit of an air conditioning device. The control device for an air conditioner that takes in inside or outside air and conditions the air inside an air conditioning unit using an evaporator and a heater core is provided with: a first actuator and a second actuator that drive the multiple dampers installed inside the air conditioning unit for switching the air passages; and three half-bridge circuits that control the first actuator and the second actuator sharing one of the half-bridge circuits.
|Vehicle hvac system with lower mounted blower unit|
A heating, ventilation, and air conditioning (hvac) system for a vehicle may include a blower unit, an evaporator unit, and a conditioning unit. The blower unit includes a fan that draws in air into the hvac system.
|Method and apparatus for initiating coil defrost in a refrigeration system evaporator|
A system for controlling the defrost cycle of an evaporator comprising a sensor in the coil of an evaporator or downstream of the coil, the sensor configured to determine changes in the liquid mass ratio of the refrigerant in the evaporator. The difference in liquid mass ratio relating to frost buildup on the outside of said evaporator.
|Plasma processing apparatus and plasma processing method|
A plasma processing apparatus includes: a refrigerating cycle including a refrigerant passage, a compressor, and a condenser, all of which are coupled in this order, and through which a refrigerant flows in this order, the refrigerant passage being disposed inside a sample stage and through which the refrigerant flows to serve as an evaporator; first and second expansion valves which are interposed between the condenser and the refrigerant passage and between the refrigerant passage and the compressor respectively in the refrigerating cycle; a vaporizer that is interposed between the second expansion valve and the compressor in the refrigerating cycle and which heats and vaporizes the refrigerant; and a controller which regulates opening and closing of the first and second expansion valves and regulates a refrigerant heat exchange amount of the condenser or vaporizer based on a refrigerant temperature between the condenser and the second expansion valve.. .
|Process and systems for obtaining 1,4-butanediol from fermentation broths|
A process of purifying 1,4-butanediol (1,4-bdo) from a fermentation broth including separating solid materials, salts and water, and subjecting the resulting material to a two, three or four column distillation system, that can include a wiped film evaporator to produce a purified 1,4-butanediol.. .
|Liquefied fuel combustor with integrated evaporator device and associated method|
The method can include injecting fuel from a liquefied fuel source into a combustion chamber having a combustion path, by circulating the fuel out from an inlet conduit into an evaporator housing, along the evaporator housing in a direction opposite the combustion path and across an evaporator element receiving fuel in the liquid state and exposing a multiplied surface of the liquid fuel to heat from the combustion path to evaporate the liquid fuel, and conveying the evaporated fuel into the combustion chamber and into the combustion path.. .
|Thermosiphon systems for electronic devices|
A thermosiphon system includes a condenser and an evaporator fluidically coupled to the condenser by a condensate line. The evaporator includes a housing having an opening to the condensate line, a wick located in the housing, and a flow restrictor located in the housing configured to restrict flow of a working fluid from the condensate line onto a portion of the wick.
|Self cleaning refrigerated display case|
A merchandiser includes a base and a rear wall component extending above the base. The rear wall component includes a protruding rib.
|Beverage system icemaker and ice and water reservoir|
A beverage dispensing apparatus including a storage tank. At least one ice body is formed proximate the top portion of the storage tank.
|Nutrient recovery process|
An apparatus for recovering nutrients from digestate comprises one or more solid-liquid separation steps, and dryer, an ammonia stripping device, and an evaporator. In a process, digestate is separated into a solids portion and a liquid portion.
|Process for treating brine recovered from a coal seam gas operation|
A method is provided for treating brine recovered from a coal seam gas operation. The process entails directing brine recovered from a coal seam gas operation to a mixed reactor and mixing an alkaline earth reagent with the brine.
|Mobile mechanical vapor recompression evaporator|
A mobile mechanical vapor recompression evaporator system including a horizontal vapor separator and a horizontal forced circulation heat exchanger. The horizontal vapor separator can include a generally cylindrical housing configured in a generally horizontal orientation.
|Cascading heat recovery using a cooling unit as a source|
A cascade heat recovery system connects an evaporator from a heating unit to a recovery condenser of the cooling unit, where the recovery condenser is different from a cooling condenser of the cooling unit, and/or connects the evaporator of the heating unit to the cooling loop of the cooling unit, for example in fluid communication with the evaporator of the cooling unit. Both configurations allow the heating unit to be isolated or decoupled from the heat rejection circuit on which the cooling condenser runs.
|Waste water evaporator|
An atomizer for use in waste water evaporation includes a motor having a rotor shaft, at least one conduit for receiving the waste water, a housing supporting the motor and the at least one conduit, and a hub having a plurality of holes for distributing waste water in the form of water droplets. The motor is a variable speed motor and is cooled by waste water flowing through the at least one conduit.
|Steam generator for producing superheated steam in a waste incineration plant|
A steam generator for producing superheated steam in a waste incineration plant, includes a boiler housing having a combustion chamber with walls having an evaporator. The evaporator has tubes carrying water and being acted upon by heat energy released during incineration of waste, for producing superheated steam.
|Liquid vessel cooling system|
An improved liquid vessel cooling system for cooling, transporting and dispensing liquid comprises a base assembly having a base housing enclosing a refrigeration unit and having a top surface and a bottom surface, the top surface attached to a thermally conductive support base snugly encircled by a plurality of evaporator coils. In alternate embodiments the evaporator coils may be incorporated within the support base structure or the support base structure may be constructed with cavities and passages such that the support base structure itself functions as the plurality of evaporator coils.
|Control system for a dual evaporator refrigeration system|
A control system for a refrigeration system with dual evaporators is provided. In one embodiment, a control system for a dual evaporator refrigeration system is provided where the evaporators are operated simultaneously to provide for improved temperature and humidity control in a refrigerator appliance.
|High efficiency refrigeration system|
A refrigerant system includes a first, substantially outdoor, two phase heat transfer fluid vapor compression circulation loop including a compressor, a heat exchanger condenser, an expansion device, and the heat absorption side of a heat exchanger evaporator condenser, connected by conduit in a closed loop and having disposed therein a first heat transfer fluid having a critical temperature of greater than or equal to 31.2° c. The system also includes a second, at least partially indoor, two phase heat transfer fluid circulation loop that transfers heat to the first loop through the heat exchanger evaporator condenser.
|Air conditioning system utilizing thermal capacity from expansion of compressed fluid|
A vehicle air conditioning system is provided. The vehicle air conditioning system includes a first vapor compression refrigeration loop.
When indoor units are performing a cooling operation, an air-conditioning apparatus controls third flow passage switching valves, for example a first solenoid valve, a second solenoid valve, a third solenoid valve, and a fourth solenoid valve, so that a number of intermediate heat exchangers operating as evaporators is greater than in a cooling main operation. During the cooling main operation, a target value for suction pressure or evaporating temperature at a compressor is set equal to or lower than that in a case in which the indoor units are performing the cooling operation, and a frequency of the compressor and a capacity of a heat-source-side heat exchanger are controlled..
|Refrigeration system with humidity control|
A refrigeration system includes a supplemental heat exchanger operably disposed between a condenser and an evaporator. This supplemental heat exchanger is located in selective fluid communication with the air in the conditioned space, and can be toggled between an “invisible” mode in which the heat exchanger acts as a simple fluid conduit between the condenser and evaporator, and a “humidity reduction” mode in which the heat exchanger operates to transfer heat from hot refrigerant to the colder conditioned space.
|User control interface for heat transfer system|
A controller can be connected to a heat transfer system including pressure and temperature sensors, an electrically controlled valve, and a compressor. The controller can be configured to control the heat transfer system according to compressor suction superheat, compressor discharge superheat, compressor suction pressure, compressor discharge pressure, and temperature of water received at a condenser to be heated by waste-heat bearing fluid in an evaporator.
|Compressor control for heat transfer system|
A compressor is connected with an evaporator, a condenser, and an electrically controlled valve for circulating a working fluid in a system for recovering waste heat to provide heated water. A controller can be configured to adjust an operating capacity of the compressor to maintain output of a condenser temperature sensor at a condenser temperature set point, except when output of a compressor discharge pressure sensor indicates that a maximum operating pressure of the compressor has been exceeded.
|Expansion valve control for heat transfer system|
A compressor is connected with an evaporator, a condenser, and an electrically controlled valve for circulating a working fluid in a system for recovering waste heat to provide heated water for human use. A suction superheat temperature is determined from a measured compressor suction temperature and a suction saturation temperature.
|Robust fixed-sequence control method and appliance for exceptional temperature stability|
A method to control a fixed-sequence dual evaporator cooling system including providing a recurring cooling cycle cooling system wherein each recurring cooling cycle comprises first and second cooling cycles for cooling respective first and second interiors, a pump-out cycle for returning coolant to a condenser, and an idle cycle, and providing a processor to establish exceptions to the recurring cooling cycle. A step includes the processor monitoring first and second actual temperatures of the respective first and second interiors, selecting predetermined first and second control temperatures for the respective first and second interiors, and selecting a command input signal to supply to a compressor, the condenser fan, the first and second evaporator fans, and the valve of the cooling system during the recurring cooling cycle based upon the first and second actual temperatures and the predetermined first and second control temperatures to initiate the established exceptions..
|Net heat load compensation control method and appliance for temperature stability|
A refrigerator and method are provided where the refrigerator includes two or more cooling compartments monitored by temperature sensors and cooled by a plurality of evaporators. The cooling for the evaporators is provided by a compressor operating on a recurring cooling cycle.
|Moisture control system for an appliance and method for controlling moisture within an appliance|
A moisture control system includes a cabinet having a mullion defining first and second compartments and openings within the mullion to provide selective communication between the compartments. An evaporator is disposed in the first compartment.
|Portable refrigeration unit for palletized product|
A portable refrigeration unit for cooling palletized products disposed within a racking system. The portable refrigeration unit includes a case and a refrigeration system disposed in the case.
|Specialty cooling features using extruded evaporator|
An appliance includes a co-extruded evaporator in thermal communication with a compartment. The co-extruded evaporator includes main and support channels in thermal communication that share a common wall 22.
|Adsorption heat pump and method of driving the same|
An adsorption heat pump includes: an evaporator configured to generate coolant vapor; a first adsorber and a second adsorber each containing an adsorbent to adsorb the coolant vapor generated in the evaporator; a condenser configured to condense the coolant vapor generated in any of the first adsorber and the second adsorber; and a control unit. The control unit feeds the condenser with cooling water for condensation of the coolant vapor and feeds the condenser with warm water for evaporation of the coolant at predetermined timing..
|Refrigerator cooling system having a secondary cooling loop|
A refrigerator cooling system and method provides cooling to one or more features of a refrigerator by employing a secondary cooling loop that utilizes the excess cooling capacity of an evaporator to selectively provide supplemental cooling to the features when a thermal demand arises.. .
|Method and system for controlling the initiation of a freeze cycle pre-set time in an ice maker|
A novel control logic for an individual cube spray type ice machine. The duration of the freeze cycle is able to adapt to changes in inlet water temperature, changes in ambient air temperature, and the impact of warm temperatures of internal ice making parts within the ice machine due to off cycle periods.
|Active insulation hybrid dual evaporator with rotating fan|
An appliance having a fresh food storage compartment and a freezer compartment. The appliance includes a forced air coil system disposed between the fresh food storage compartment and the freezer compartment and is configured to selectively provide cooling to one or both of the at least one fresh food storage compartment and the at least one freezer compartment.
|Applications of liquid tank as fresh food evaporator|
An appliance having a storage tank disposed on its back surface wherein the storage tank comprises a front cover and a back cover that matingly engages the front cover to form a liquid tight seal with the front cover. The storage tank further includes a phase-changing material disposed within the storage tank and a heat exchanger containing refrigerant tubing which transfers cooling from refrigerant tubing to the phase-changing solution.
|Adaptive trans-critical carbon dioxide cooling systems|
A cooling system includes a first heat exchanger, an evaporator coupled to a thermal load of an aircraft. First and second cooling circuits coupled to the heat exchanger, the first and second cooling circuits selectable via a set of cooling circuit valves that are arranged to direct a refrigerant through the first circuit, the second circuit, or both the first and second circuits based on air passing through the first heat exchanger at ambient conditions of the aircraft, and a receiver configured to accumulate reserve refrigerant to provide flexibility in system operation as the cooling system operates in sub-critical, trans-critical, and super-critical modes of operation..
|Adaptive trans-critical co2 cooling systems for aerospace applications|
A cooling system for an aircraft includes a first cooling circuit having a first evaporator and a second evaporator, and a second cooling circuit having a third evaporator and a fourth evaporator. One of the first and second cooling circuits includes a first set of valves arranged to direct refrigerant through a first cooling sub-circuit, a second cooling sub-circuit, or both the first and second cooling sub-circuits based on ambient conditions.
|System and process of cooling an otec working fluid pump motor|
A cooling system and process in an otec system are described where the sub-cooled working liquid from the working fluid pump outlet is used to cool the working fluid pump motor, either directly or indirectly via heat exchange with a secondary fluid. The heat from the motor that is being rejected into the working fluid just prior to the working fluid flowing to the evaporator helps to alleviate heat duty in the evaporator meaning more potential for the evaporator to create energy.