Abstract: There is provided air-conditioning control in a low power operation so as not to exceed a target demand power amount in a predetermined measurement period while preventing deterioration of comfortableness of a living space.

Abstract: An air conditioner (100), comprising a compressor (110), a reversing assembly (120), an outdoor heat exchanger (130), an indoor heat exchanger (140), an electric control heat sink assembly (150), a first unidirectional throttle valve (160) and a second unidirectional throttle valve (160?). The electric control heat sink assembly (150) comprises an electric control component (151) and a heat dissipation assembly (152). The first unidirectional throttle valve (160), on the flow direction from a first valve port (161) to a second valve port (162), is completely turned on. On the flow direction from the second valve port (162) to the first valve port (161), the first unidirectional throttle valve (160) is a throttle component. The second unidirectional throttle valve (160?), on the flow direction from a third valve port (161?) to a fourth valve port (162?), is completely turned on.

Abstract: A refrigerator includes a body having a storage space; a door coupled with the body and for opening/closing the storage space, and an ice particle maker equipped in the door, wherein the ice particle maker includes a water feed nozzle for injecting water supplied from a water supply source into an ice particle making area; a cold air flow path for supplying cold air to the ice particle making area; and a dispenser for discharging ice particles made from the ice particle maker.

Abstract: The invention provides a single radiator cooling system for use in hybrid electric vehicles, the system comprising a surface in thermal communication with electronics, and subcooled boiling fluid contacting the surface. The invention also provides a single radiator method for simultaneously cooling electronics and an internal combustion engine in a hybrid electric vehicle, the method comprising separating a coolant fluid into a first portion and a second portion; directing the first portion to the electronics and the second portion to the internal combustion engine for a time sufficient to maintain the temperature of the electronics at or below 175° C.; combining the first and second portion to reestablish the coolant fluid; and treating the reestablished coolant fluid to the single radiator for a time sufficient to decrease the temperature of the reestablished coolant fluid to the temperature it had before separation.

Abstract: Various apparatus and methods using phase change materials are disclosed. In one aspect, a method of operating a computing device that has a first semiconductor chip with a first phase change material and a second semiconductor chip with a second phase change material is provided. The method includes determining if the first semiconductor chip phase change material has available thermal capacity. If the first semiconductor chip phase change material has available thermal capacity then the first semiconductor chip is instructed to operate in sprint mode. The first semiconductor chip is instructed to perform a first computing task while in sprint mode.

Abstract: An intelligent multiple-loop electric vehicle cooling system includes a battery pack, an electric drive module, a battery radiator, an electric drive module radiator, electric pumps, pass-through valves, three-way valves, a PTC heater, a heat exchanger. The cooling system is provided with two electric pumps, two pass-through valves, and three three-way valves that are connected through pipelines to form multiple loops. Compared with the prior art, by means of the present invention, multiple three-way valves and pass-through valves are disposed, to connect pipelines to form loops meeting different cooling or heating requirements. These loops are selectively opened or closed according to features and working states of a battery pack and an electric drive module of an electric vehicle, to ensure temperature balance of the electric vehicle and efficient operation of the electric vehicle.

Abstract: A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus performs a hot water supply operation using a high temperature refrigerant that has been discharged from a compressor, and simultaneously performs an indoor heating operation using a two-stage refrigerant cycle. This allows the apparatus to supply hot water while simultaneously providing heating/cooling to an indoor space.

Abstract: An economically operated, dual-energy hot water supply system. The system includes a first heat source of a first type and a second heat source of a second type different than the first type. The system also includes a controller. The controller determines a first energy consumption of the first heat source to generate a unit heat, determines a second energy consumption of the second heat source to generate the unit heat, compares a first power cost of the first heat source with a second power cost of the second heat source, the first power cost being based on the first energy consumption and the first price, the second power cost being based on the second energy consumption and the second price.

Abstract: A hot water supply apparatus associated with a heat pump is provided. The hot water supply apparatus performs a hot water supply operation using a high temperature refrigerant that has been discharged from a compressor, and simultaneously performs an indoor heating operation using a two-stage refrigerant cycle. This allows the apparatus to supply hot water while simultaneously providing heating/cooling to an indoor space.

Abstract: A unitary-side heat pump unit is configured so that a refrigerant circulates sequentially through a first compressor, a first heat exchanger, a cascade heat exchanger, a first expansion valve and an evaporator, and heat exchange with heat media of a heating unit is carried out in the first heat exchanger; a binary-side heat pump unit is configured so that a refrigerant circulates sequentially through a second compressor, a second heat exchanger, a second expansion valve and a cascade heat exchanger, and heat exchange with heat media of the heating unit is carried out in the second heat exchanger; the refrigerants of the unitary-side and binary-side heat pump units include carbon dioxide (CO2) as a main component; and high pressure-side sections of the unitary-side and binary-side heat pump units are activated within substantially identical pressure ranges of supercritical pressure.

Abstract: A combined cycle power plant utilizes an absorption heat transformer to improve plant efficiency. A heat recovery steam generator receives exhaust from a gas turbine and generates steam for input to a steam turbine. The heat recovery steam generator includes a low pressure economizer, an intermediate pressure economizer and a high pressure economizer. The absorption heat transformer is in fluid communication with the low pressure economizer. The absorption heat transformer includes a feed water circuit that draws exhaust water from the low pressure economizer for heating by the absorption heat transformer and directs heated water to at least one of the intermediate pressure economizer and the high pressure economizer.

Abstract: A temperature differential engine device includes a low-boiling-point medium steam turbine (1), a heat absorber (2), a thermal-insulating type low-temperature countercurrent heat exchanger (3), a circulating pump (4), and a refrigerating system (5) which are interconnected to constitute a closed circulating system filled with low-boiling-point medium fluid. The low-boiling-point medium steam turbine (1) and the heat absorber (2) constitute a low-density-medium heat-absorbing working system, and the circulating pump (4) and the refrigerating system (5) constitute a high-density-medium refrigerating-circulating system. The temperature differential engine device can transfer thermal energy into mechanical energy.

Abstract: A system for air conditioning an aircraft cabin includes an air conditioning unit connected to a central mixer in order to supply the central mixer with air at a desired low temperature. A first recirculation system is designed to remove exhaust air from a first aircraft cabin region and is connected to the central mixer in order to lead the exhaust air into the central mixer. A second recirculation system is designed to remove exhaust air from a second aircraft cabin region and is connected to first and second local mixers in order to lead the exhaust air into the local mixers, the local mixers also receiving mixed air flow from the central mixer. The second recirculation system includes a cooling unit which is designed to cool the recirculation air removed from the second aircraft cabin region before delivery to the first and second local mixers.

Abstract: There is provided a controller for a heat capture and storage system configured to capture and store energy from heat expelled in engine exhaust. The controller includes a plurality of inputs, a plurality of outputs, and at least one processor coupled to a memory for storing within the memory instructions executable by the at least one processor. The controller is configured by execution of the instructions stored in the memory to: receive signals at one or more of the plurality of inputs, the signals representing at least one operating parameter of the heat capture and storage system; and based on at least one operating parameter, generate signals at one or more of the plurality of outputs for controlling at least one component of the heat capture and storage system to capture and store the energy from the heat expelled in the engine exhaust.

Abstract: Obtained is an air-conditioning apparatus that is capable of saving energy. A pressure in a passage of the second refrigerant flow switching device in which a refrigerant from an outdoor unit flows into is higher than a pressure in a passage of the second refrigerant flow switching device in which the refrigerant flows out to the outdoor unit regardless of switching states of a first refrigerant flow switching device, the second refrigerant flow switching devices, and a third refrigerant flow switching device.

Abstract: A system configured to thermally regulate exhaust portions of a power plant system (e.g. steam turbine) is disclosed. In one embodiment, a system includes: a condenser adapted to connect to and thermally regulate exhaust portions of a steam turbine; and a cooling system operably connected to the condenser and adapted to supply a cooling fluid to the condenser, the cooling system including a solar absorption chiller adapted to adjust a temperature of the cooling fluid.

Abstract: The invention relates to an energy system, and more particularly to an air conditioning system for air conditioning rooms, comprising an energy source for heat pump systems, in which energy and/or heat is stored in a latent energy or heat storage system, comprising an ice slurry production device (100) for producing ice slurry from a liquid ice slurry brine (10), which operate according to a method for air conditioning rooms, in which energy or heat is stored or buffered in a latent energy or heat storage system and/or removed or extracted therefrom, wherein ice slurry is provided as the latent energy or heat storage system, or according to a method for producing ice slurry from an ice slurry brine (10), comprising the following steps: filling a housing (110) with the liquid ice slurry brine; cooling the liquid ice slurry brine by bringing it in contact with a heat exchanger device (220) disposed in the housing (110) while stirring the ice slurry brine (10) so as to generate the ice slurry, wherein, when an i

Abstract: An exhaust gas water extraction system includes an evaporator component in a diffusion absorption refrigeration ('DAR?) unit. The system also includes an exhaust gas input duct comprising an input opening to receive exhaust gas from an exhaust gas source. The exhaust gas input duct operates as a heat source to power the DAR. An evaporator heat exchanger is connected to receive the exhaust gas from the exhaust gas input duct. The evaporator heat exchanger is disposed to generate a heat exchange between the evaporator component and the exhaust gas that cools the exhaust gas to below the dew point. A water collection container receives water condensing from the exhaust gas during the heat exchange with the evaporator component.

Abstract: The invention relates to a control process for an air conditioning system. The air conditioning system comprises a thermal loop (1) used as a heat pump and an electrical heating device (2). The process calculates a global heating capacity (HCglo) in function of the temperature chosen by the passenger, the speed of the blower and the temperature of the exterior air. Then, the process calculates a heating capacity (HC1) of the thermal loop (1) and compares this heating capacity (HC1) of the thermal loop to the global heating capacity (HCglo). If the global heating capacity (HCglo) is superior to the heating capacity (HC1) of the thermal loop, the process determines a heating capacity (HC2) of the electrical heating device (2). This heating capacity (HC2) of the electrical heating device (2) added to the heating capacity (HC1) of the thermal loop (1) allows to obtain the global heating capacity (HCglo) required in function of the temperature selected by the passenger.

Abstract: A system and method for heating water are provided. The system includes a first subcooler for receiving a first water flow, a second subcooler for receiving a second water flow, a first condenser in fluid communication with the first subcooler and the second subcooler for receiving water from both subcoolers, and a second condenser in fluid communication with the first condenser. The method involves receiving a flow of water, and transferring heat to the water using the system.

Abstract: The invention relates to a device and a method for icing prevention regulation for a heat pump evaporator (3) in air conditioning systems of vehicles, composed of a subsection (1) of a refrigerant circuit which can be operated both as a heat pump and also as an air conditioning system. The device comprises the heat pump evaporator (3), an electrical or mechanical refrigerant compressor (4), a cooler fan (9) which is attached to the heat pump evaporator (3) and which draws ambient air (11) upstream from and through the heat pump evaporator (3) at an adjustable flow speed, and which thus permits a permanent flow of ambient air (11) over the heat pump evaporator surface, a first temperature sensor (6) in or on the refrigerant line (5, 5a) upstream from the heat pump evaporator (3) with respect to the heat pump operating direction, and a control and regulating unit (8).

Abstract: A configuration provided with a heat source unit A, an indoor unit B, a circuit D for a hot-water supply heat source provided with a refrigerant-refrigerant heat exchanger and throttle for the hot-water supply heat source, and a branch unit C that distributes a refrigerant flowing through the indoor unit and the circuit for hot-water supply heat source and also provided with a refrigerating cycle for air conditioning in which the indoor unit and the circuit for hot-water supply heat source are connected in parallel and connected to the heat source unit by at least two connection pipelines via the branch unit and a refrigerating cycle for hot-water supply in which a compressor for hot-water supply, a heat-medium-refrigerant heat exchanger, throttle for hot-water supply, and the refrigerant-refrigerant heat exchanger are connected in series, in which the refrigerating cycle for air conditioning and the refrigerating cycle for hot-water supply are connected so as to exchange heat between the refrigerant for air

Abstract: A discharged warm/cold heat of a refrigerant circuit is effectively utilized in order to attain high energy efficiency. Appropriate operation control is executed when a hot-water supplying operation and an air cooling operation are simultaneously performed, whereby high energy efficiency is attained.

Abstract: A vehicle air-conditioning system includes an HVAC unit that blows air whose temperature is adjusted by a refrigerant evaporator and a second refrigerant condenser. The system includes a heat pump cycle in which a refrigerant compressor, a refrigerant circuit changeover section, a first refrigerant condenser, a first expansion valve, and the refrigerant evaporator are sequentially connected. The system includes a second expansion valve and a refrigerant heat exchanger connected in parallel with the first expansion valve and the refrigerant evaporator. The second refrigerant condenser is connected in parallel with the first refrigerant condenser. The system includes a coolant cycle in which a coolant circulating pump, a ventilation-exhaust-heat recovery unit, a motor/battery, an electric heater, and the refrigerant heat exchanger are sequentially connected, and the ventilation-exhaust-heat recovery unit, motor/battery, and electric heater can be selectively used as a heat source.

Abstract: An electric machine system includes: an electric motor; and an absorption cooling system driven by heat generated by the electric motor and configured to cool a primary cooling fluid that removes the heat from the electric motor to a temperature below an ambient temperature of an ultimate heat sink. A method for operating the electric machine system is also disclosed.

Abstract: The present invention relates to fluoroolefin compositions. The fluoroolefin compositions of the present invention are useful as refrigerants or heat transfer fluids and in processes for producing cooling or heat. Additionally, the fluoroolefin compositions of the present invention may be used to replace currently used refrigerant or heat transfer fluid compositions that have higher global warming potential.

Abstract: A heat pump includes an evaporator with an evaporator inlet and an evaporator outlet; a compressor for compressing operating liquid evaporated in the evaporator; and a condenser for condensing evaporated operating liquid compressed in the compressor, wherein the condenser includes a condenser inlet and a condenser outlet, wherein the evaporator inlet is connected to a return from a region to be heated, and wherein the condenser inlet is connected to a return from a region to be cooled.

Abstract: An apparatus and method for controlling the heating of an airflow. According to certain embodiments, the temperature of an outdoor heat exchanger and the speed of a compressor are used to determine a blower speed for a variable speed indoor air blower. The selected blower speed may facilitate a flow of air across a second, indoor heat exchanger at an indoor volumetric flow rate that heats the airflow to a leaving air temperature. The leaving air temperature may at least seek to attain the temperature of a variable target leaving air temperature that is adjusted based on changes in outdoor ambient temperatures. Additionally, according to certain embodiments, the blower speed may be based on an indoor volumetric airflow rate that is determined, at least in part, on a determined system heating capacity and a temperature at the outdoor heat exchanger.

Abstract: A vehicular air conditioning system capable of suppressing the power consumption of a refrigerating cycle is disclosed. The vehicular air conditioning system comprises a refrigerating cycle circuit comprising a compressor, an outside heat exchanger and an inside air conditioning heat exchanger annularly connected in order, and a device cooling circuit comprising a heating unit, an inside cooling heat exchanger, an intermediate heat exchanger and a pump being annularly connected, the intermediate heat exchanger being constructed such that one end of a piping of the cooling medium for air conditioning is connected to a liquid piping, the liquid piping providing connection between the outside heat exchanger and the inside air conditioning heat exchanger, and an opposite end of the piping of the cooling medium for air conditioning is connected to a suction port of the compressor.

Abstract: An electric traction vehicle having: at least one pair of driving wheels; at least one reversible electric machine which can be mechanically connected to the driving wheels; an electronic power converter which pilots the electric machine; a storage system, which is aimed at storing electric energy, is connected to the electronic power converter and comprises at least one storage device; a passenger compartment; an air conditioning system of the passenger compartment which fulfills the function of regulating the temperature inside the passenger compartment; and a cooling system, which is completely independent and separate from the air conditioning system of the passenger compartment and uses a compression refrigeration cycle to cool at least one of the electric components, i.e. the electric machine, the electronic power converter and the storage system.

Abstract: A controller for a modular compact chiller unit configured for integration into a refrigeration system utilizing a plurality of modular compact chiller units is shown and described. The controller includes a processing circuit configured to provide startup control, operational control, and shutdown control for the modular compact chiller unit.

Abstract: A method for creating work by adsorption end desorption of a working fluid on an fiber sorption system which has a plurality of tubular hollow fibers within a vessel which is connected to a work device. Each fiber is in the form of a tubular, elongated body composed of a sorbent material capable of adsorbing a working fluid such as carbon dioxide. The fibers have an inner surface adjacent the hollow interior and an outer surface, one of which has a coating layer which is impermeable to both a working fluid and thermal fluid.

Abstract: A system is provided for capturing energy from heat expelled in an exhaust of an engine of a motor vehicle and storing the captured energy. The system comprises a generator, a condenser, an evaporator, and an absorber. The generator captures heat from the exhaust of the engine and may be configured for circulating a first solution having a solute that is vaporizable by heat captured by the generator. The condenser may be coupled to the generator for receiving vaporized solute and condensing the vaporized solute to a liquid. The evaporator may be coupled to the condenser and have an orifice between the condenser and the evaporator. The evaporator may have a first fluid passage for circulating the solute and a second fluid passage for circulating a second solution. The first and second fluid passages may be configured such that solute running through the first fluid passage is vaporizable by heat absorbed from the second solution running through the second fluid passage, thereby cooling the second solution.

Abstract: A climate control system having a coolant subsystem, a heat pump subsystem, and an intermediate heat exchanger. The intermediate heat exchanger may transfer thermal energy from the heat pump subsystem to the coolant to increase the temperature of the coolant when the climate control system is in a heating mode.

Abstract: A method for using an electronic expansion device in a system for heating water and conditioning an interior space by operating a first controller to monitor the operating discharge pressure from the compressor; and operating the first controller to produce a signal designating expansion of an orifice within the electronic expansion valve when the operating discharge pressure is greater than or equal to a predetermined pressure value.

Abstract: Methods and systems are provided for reducing condensate accumulation at a charge air cooler (CAC) during cold ambient conditions. During defrosting conditions, an air conditioner may be operated to dehumidify a cabin space while heat is rejected into a cooling circuit. Warm coolant may be directed to a CAC bypassing a radiator to expedite CAC heating.

Abstract: A method for improving a water heater cycle in a system for heating water and conditioning an interior space by operating a water pump at a first rate of speed until the entering water temperature is within a desirable range, or the water pump has operated at the first rate of speed for a predetermined time, then operating the water pump at a second rate of speed.

Abstract: Contemplated power plants and LNG regasification facilities employ a combination of ambient air and non-ambient air as continuous heat sources to regasify LNG and to optimize power production. Most preferably, contemplated plants and methods are operable without the need for supplemental heat sources under varying temperature conditions.

Abstract: A system for energy allocation includes: a filtration system configured to filter waste vegetable oil generated by a facility; an engine fueled with the filtered vegetable oil; and a generator driven by the engine to provide an alternating current (AC) power supply. The exhaust heat generated by the engine is processed and allocated to the facility as an energy source.

Abstract: The present technology provides a modular refrigeration and heat reclamation chiller system comprising an evaporator configured to vaporize a refrigerant to cool the refrigerant, a compressor coupled to the evaporator and configured to compress the refrigerant, a condenser coupled to the compressor and configured to condense the refrigerant compressed by the compressor, a sub-cooler coupled to the condenser and configured to receive the refrigerant from the condenser so as to selectively extract heat from the refrigerant and to transfer the refrigerant to the evaporator, and an expansion valve coupled to both the sub-cooler and the evaporator.

Abstract: An apparatus is disclosed which includes a generator receiving a heat load from first electric components, an evaporator for receiving a heat load from second electric components, a tight enclosure, and an absorber-condenser arranged outside of the tight enclosure. For efficient cooling of the apparatus, one or more of the generator, evaporator and absorber-condenser is entirely or partly manufactured of aluminum. The inert and refrigerant can be selected such that R134a is used as the inert and butane as the refrigerant fluid, or R32 is used as the inert and cyclopropane is used as the refrigerant, and the absorber is selected to include an alkyl acetamide, a carbonate ester or a glycol ester.

Abstract: An air-conditioning apparatus is provided with a heat-source device that supplies a refrigerant, a relay unit that exchanges heat of a heat medium such as water or anti-freezing fluid supplied from the heat-source device in an intermediate heat exchanger and supplies the heat medium, an indoor unit that exchanges heat between a use side heat exchanger through which the heat medium supplied from the relay unit flows and indoor air and performs cooling or heating in the indoor space, a controller that controls operations of the heat-source device, the relay unit and the indoor unit, and a third temperature sensor that detects the temperature of the heat medium flowing through the use side heat exchanger, and if an abnormality in at least one of the heat-source device and the relay unit is detected, the controller continues the operation of the indoor unit while the temperature detected by the third temperature sensor remains within a first predetermined temperature range.

Abstract: A number of variations of the invention may include a product including a cabin exhaust air heat recovery system including a heat pump system having a non-freezing evaporator.

Abstract: A thermoacoustic engine includes a first stack and a second stack disposed in a gas-filled looped tube. The first stack has a first end to which heat is inputted and a second end to which cooling water is inputted, and the second stack has a first end to which the cooling water is inputted after passing through the second end of the first stack, and a second end provided with a cooling device. The thermoacoustic engine further includes a flow controller for controlling the flow rate of the cooling water to be inputted to the second end of the first stack.

Abstract: The invention relates to a compressor-heat exchanger unit for a heating-cooling module for a motor vehicle, in which at least one fluid serving as a coolant flows, comprising a compressor device for compressing the first fluid, at least one heat exchanger device that has at least one first circuit for the first fluid to flow through and a second circuit for a second fluid to flow through, this heat exchanger unit being arranged in the fluid stream after the compressor device, characterised in that the first fluid is guided at least partially in flow channels of the first circuit that at least partially enclose the compressor device.

Abstract: An auxiliary cooling device is configured to be operated outside of an aircraft. The auxiliary cooling device is configured to be connected to an aircraft liquid cooling system which includes a refrigerating device, a coolant supply connection, a coolant discharge connection, and a control device. The auxiliary cooling device includes a cold source that is adapted to cool a coolant down to a desired low temperature, an auxiliary cooling device outlet which is connected to the cold source and connectable to the coolant supply connection. The auxiliary cooling device also includes an auxiliary cooling device inlet which is connected to the cold source and connectable to the coolant discharge connection of the aircraft liquid cooling system.

Abstract: A refrigerant system operates in an environment defined by three distinct temperature levels, such as, for instance, the outdoor ambient temperature level, the indoor temperature level and the refrigeration temperature level. The refrigerant system is provided with an air-to-refrigerant heat exchanger located within the general indoor environment and connected to receive the flow of refrigerant from a heat rejection heat exchanger. The air-to-refrigerant heat exchanger gives off heat to the indoor air and in the process further cools the refrigerant flowing to an expansion device to thereby increase the cooling effect provided by an evaporator to the refrigeration area. Provisions are also made to partially or entirely bypass the air-to-refrigerant heat exchanger and/or the heat rejection heat exchanger, on a selective basis.

Abstract: An aircraft cooling system comprising a refrigerating device and a heat exchanger thermally coupled to the refrigerating device. A ram air duct of the aircraft cooling system is adapted to supply cooling air to the heat exchanger, in order to remove waste heat generated in the operation of the refrigerating device from the heat exchanger to the aircraft surroundings. A connecting element comprises a first end connected to the ram air duct and a second end connectable to a device for providing conditioned air and is adapted to supply conditioned air to the ram air duct, at least in certain operating phases of the aircraft cooling system.

Abstract: A refrigeration device containing CO2 a refrigerant to be circulated, including a compressor, a heat-rejecting heat exchanger, an expansion, and an evaporator which are connected to one another. The refrigeration device includes a first portion and a second portion, the second portion having a higher temperature relative to the first portion when the refrigeration device is in operation. A heat-reclaim heat exchanger is provided at a given location in the second portion, provided to transfer heat to a fluid for further use as a source of heated fluid.

Abstract: A method for managing a refrigerant charge in a system for heating water and conditioning an interior space by removing power from an indoor fan for a first duration of time prior to switching at least one valve to configure a second refrigerant circuit for satisfying a water heating demand. A method for managing a refrigerant charge in a system for heating water and conditioning an interior space by removing power from a water pump for a second duration of time prior to switching at least one valve to reconfigure a first refrigerant circuit to satisfy an interior space heating demand.