Abstract: An air conditioning apparatus includes a refrigeration circuit, a magnetic material member, a magnetic field generator, a detector and a controller. The refrigeration cycle has a compressor, an intake-side heat exchanger, a discharge-side heat exchanger, an expansion valve, and a refrigerant tube connected in series by first, second, third and fourth tube parts of the refrigerant tube to form a closed loop. The magnetic field generator generates a magnetic field in order to inductively heat the magnetic material member. The detector detects temperature or pressure in refrigerant flowing through a predetermined portion of the refrigerant circuit. The controller confirms satisfaction of a magnetic-field-generating-permission condition before initiating the magnetic field generator to generate the magnetic field after a startup of the compressor.

Abstract: A heat pump system, including a thermal storage medium, for use in a vehicle having a passenger compartment, and a corresponding method for providing heat to a vehicle passenger compartment. The vehicle may have an electric only vehicle mode wherein the vehicle may occupy one of an active electric drive state and an inactive state. The heat pump system may include a thermal storage medium configured to store heat produced during the inactive state. The thermal storage medium may be a device which has a thermal capacity exchangeable with a fluid medium such as an Rechargeable Energy Storage System (RESS) or a phase change material. The heat stored by the thermal storage medium during the vehicle charge event may be transmitted from the thermal storage medium to the passenger compartment via the heat pump system during the active electric drive state.

Abstract: A design and manufacturing technique for a “Long Heat Exchanger”, a counter-flow heat exchanger transfer up to 100% of heat and temperature between two fluids (gas or liquid). Inner “Core” of heat conductive material capable of manufacture in continuous lengths, may be coiled, cut and formed to shape. 100% of conductive material making up core is a heat transfer surface, allowing minimum material design for chosen transfer efficiency. “Core” has integral fins allowing overall device to be bent in a radius without deforming. Outer channel volume and core fins surface area may be sized to match different density fluids.

Abstract: A refrigerator includes a compressor, a condenser, an expansion unit, an evaporator for evaporating a refrigerant that has passed through the expansion unit, a heating unit for providing heat for defrosting the evaporator, a photographing device provided at one side of the evaporator and disposed to photograph the evaporator, so as to sense the amount of frost on the evaporator, the photographing device including a photographing unit for photographing frost on the evaporator and the surrounding background, and a control unit configured to determine the amount of frost on the evaporator from an image taken by the photographing device by acquiring pixel values which are proportionate to the amount of frost on the evaporator by applying image processing which includes binarization that separates the frost from other acquired images to determine the amount of frost on the evaporator, the control unit further configured to control the heating unit to operate when the amount of frost exceeds a predetermined amount.

Abstract: A service water heating unit (2) provided for use in a heating installation includes at least one heat exchanger (6), having a first flow path (10) in which a heating medium flows and a second flow path (12) in which service water to be heated flows, and a first circulation pump (46) which pumps the heating medium. The first circulation pump (46) is connected to the first flow path (10) of the heat exchanger (6) and mounted onto the heat exchanger (6). The service water heating unit (2) can also include a second circulation pump (76) mounted to on the heat exchanger (6), that pumps the heated service water.

Abstract: A thermal management system for an electric vehicle includes a device for cooling one or more heat generating components, an in-cabin heat exchanger, and a heat pump device. The heat pump device includes a compressor, a first heat exchanger, a throttling element, and a second heat exchanger which are connected through pipelines and form a first loop. The first heat exchanger and the second heat exchanger are both dual channel exchangers. The device for cooling one or more heat generating components forms a second loop with the second channel of the first heat exchanger, and forms a third loop with the second channel of the second heat exchanger. The in-cabin heat exchanger forms a fourth loop with the second channel of the second heat exchanger. Only one of the second, third, and fourth loops is not shut off at any given time.

Abstract: An air-conditioning apparatus including a refrigerant circuit having an excess refrigerant recovery pipe connected between an inlet of at least one of heat source side heat exchangers and a first refrigerant flow blocking device or between an outlet of the at least one of the heat source side heat exchangers and a second refrigerant flow blocking device, to a passage connected to a suction side of a compressor, and an excess refrigerant recovery device disposed in the excess refrigerant recovery pipe.

Abstract: A thermoelectric refrigeration system includes a heat exchanger that includes a cold side heat sink and a hot side heat sink. The thermoelectric refrigeration system also includes a heat exchange loop coupled to one of the cold side heat sink and the hot side heat sink, the heat exchange loop operating according to thermosiphon principles to provide passive two-phase transport of a working fluid through the heat exchange loop. The thermoelectric refrigeration system also includes thermal insulation that thermally insulates the heat exchanger from a cooling chamber of the thermoelectric refrigeration system or an environment that is external to the thermoelectric refrigeration system.

Abstract: The temperatures in a refrigerating chamber and freezing chamber are monitored with sensors. An amount of change in a refrigerating chamber temperature, or an amount of change of a freezing chamber temperature is calculated per time period. A load corresponding driving is executed if the amount of change in a current time period differs from an amount of change in a previous time period.

Abstract: A cooling device operating method and corresponding cooling device used in an inspection apparatus. The method controls a cooling device which in turn cools a wafer chuck on which a semiconductor wafer is loaded. The temperature of the wafer chuck is controllable using the cooling device and a heating device. Low temperature and high temperature inspections of the wafer are performed under control of the controller. The cooling device is continuously run via the controller for the low temperature inspection, but it is stopped at least one time at the start of the high temperature inspection via the controller.

Abstract: An air-conditioning apparatus including an outdoor unit having a compressor for compressing a refrigerant and a heat source side heat exchange for exchanging heat between the refrigerant and air, a plurality of indoor units having use side heat exchangers for exchanging heat between a heat transfer medium that flows therein and air, and relay unit disposed between the outdoor unit and the indoor units. The relay unit exchanges heat between the refrigerant conveyed from the outdoor unit and the heat transfer medium flowing in the indoor units. The relay unit includes a main relay unit that is connected to the outdoor unit with two pipes and a sub relay unit that is connect to the main relay unit with three pipes.

Abstract: An air-conditioning apparatus including a bypass pipe that branches off from a portion of a refrigerant pipe located at the refrigerant inlet side of a plurality of heat medium heat exchangers. The bypass pipe connects the refrigerant inlet side with a refrigerant outlet side of each of the plurality of heat medium heat exchangers in the cooling only operation mode. A flow switching device, disposed in the refrigerant pipe, on the outlet side of each of the plurality of heat medium heat exchangers and another flow switching device, disposed in the bypass pipe, on the refrigerant outlet side of each of the plurality of heat medium heat exchangers, cause refrigerant to flow in the bypass pipe in the cooling only operation mode.

Abstract: Vapor condensers and cooling apparatuses facilitating vapor condensation cooling of a coolant employed in cooling an electronic device or electronic subsystem. The vapor condenser includes a thermally conductive base structure having an operational orientation when the condenser is facilitating vapor condensate formation, and a plurality of thermally conductive condenser fins extending from the thermally conductive base structure. The plurality of thermally conductive condenser fins have a varying cross-sectional perimeter along at least a portion of their length. The cross-sectional perimeters of the plurality of thermally conductive condenser fins are configured to increase in a direction of condensate travel through the thermally conductive base structure.

Abstract: A refrigeration system including a refrigeration circuit that has an evaporator, a compressor, a condenser, and a heat exchanger. The evaporator, compressor, and condenser are fluidly connected and arranged in series with each other. A liquid line fluidly connects the evaporator to the condenser and a suction line fluidly connects the compressor to the evaporator. The heat exchanger includes a plurality of first refrigerant flow tubes that is in fluid communication with one of the suction line and the liquid line, and a second refrigerant flow tube that is in fluid communication with the other of the suction line and the liquid line. Each of the first refrigerant flow tubes and the second refrigerant flow tube have microchannels, and the second refrigerant flow tube positioned between and cooperates with the first refrigerant flow tubes to heat vapor refrigerant flowing in the suction line.

Abstract: An air handling unit includes an enclosure, a heat exchanger having a first section and a second section, wherein the heat exchanger is disposed within the enclosure, and at least one heating element substantially co-located with the heat exchanger within the enclosure. The at least one heating element is at least partially located between the first section of the heat exchanger and the second section of the heat exchanger.

Abstract: A system for providing a blended cooling air stream to a cooling zone cooler in a continuous catalyst regeneration system. The continuous catalyst regeneration system includes a first effluent stream in fluid communication with a regeneration cooler, a cooler blower that provides a first air stream that is in fluid communication with the regeneration cooler to form a heated first air stream, a second air stream which is combined with the heated first air stream to form a blended cooling air stream, and a cooling zone cooler in fluid communication with the blended cooling air stream.

Abstract: An evaporator with a cool storage function includes a plurality of refrigerant flow tubes, fins, and cool storage material containers. Each of the cool storage material containers has a longitudinal direction and includes a third side wall and a fourth side wall opposite to the third side wall. The third side wall and the fourth side wall have first convex portions and second convex portions, respectively. The cool storage material containers are provided in a second part of spaces such that the first convex portions contact a first side wall of one of the plurality of refrigerant flow tubes and the second convex portions contact a second side wall of another of the plurality of refrigerant flow tubes. The third side wall and the fourth side wall have a concavo-convex shape in a cross-section perpendicular to the longitudinal direction.

Abstract: A closed loop temperature equalization system includes multiple flowpaths utilizing a heat exchange fluid for transmitting thermal energy of a natural thermal energy storage body to an external temperature differentiation body. The closed-loop system includes at least a heat gaining device arranged to transfer heat between the natural thermal energy storage body and the heat exchange fluid, and a heat releasing device arranged to transfer heat between the heat exchange fluid and the temperature differentiation body and also includes at least one of an auxiliary pump 1 for selectively pumping the heat exchange fluid in a normal flow direction or in a reverse flow direction and of at least one auxiliary heating/cooling device disposed in the interior or in the exterior of the fluid flowpath. A first pipeline structure carries a part of the heat exchange fluid from the heat gaining device to the heat releasing device.

Abstract: A ground source heat transfer system circulates transfer fluid between heat exchange units and a ground loop. The system includes a bypass which allows the transfer fluid to continue to circulate past the exchange units while bypassing the ground loop. Monitoring the conditions of the system with temperature sensors allows the system to selectively activate the bypass whenever diverting fluid away from the ground loop can save heat or energy.

Abstract: A heat exchanger for a motor vehicle air-conditioning system includes: an outer tube, and an inner tube. The outer tube has a first path inlet and a first path outlet through which a first fluid is permitted to flow. The inner tube is disposed within the outer tube and has a second path inlet and a second path outlet through which a second fluid is permitted to flow. The inner tube branches off in a first region into at least two heat exchanger tubes.