Abstract: A connection device applicable to flexible display screen includes a joint assembly composed of main joints and subsidiary joints. Each main joint has a base section and a first arm and a second arm. The base section and the first and second arms define a first chamber, a first opening and a second chamber and a second opening. Each subsidiary joint has a connection section assembled with the flexible display screen and a first hand section and a second hand section extending from two ends of the connection section. The first and second hand sections respectively extend into the first and second chambers of two adjacent main joints and latch therewith. When an operator operates and opens/closes the display screen, the subsidiary joints relatively move within the first and second chambers of the main joints to drive the main joints to move.

Abstract: Disclosed herein is a fail-safe coolant control valve. The fail-safe coolant control valve includes a valve housing, a valve member, an actuator, and a fail-safe unit. The valve housing is provided on an outer surface thereof with at least two ports. The valve housing has therein an internal space communicating with the ports. The valve member is rotatably installed in the internal space of the valve housing and rotates via an actuator. The fail-safe unit rotates the valve member depending on a temperature of a coolant in the valve housing when a failure occurs.

Abstract: A refrigerator includes a cabinet defining a refrigerating chamber and a freezing chamber, an ice making device and an ice making water supply device. A variable temperature drawer is disposed in lower part of the refrigerating chamber. The ice making water supply device includes a water tank disposed above the variable temperature drawer, a water pump connected with the water tank, and a water pipe connected with the water tank and the ice making device for introducing the water in the water tank into the ice making device. With the refrigerator according to embodiments, the water quality is ensured and the preservation effect is improved. Because the temperature of the variable temperature drawer is generally in the range of ?3° C. to 8° C., the water in the water tank is not easy to be frozen, and can be supplied to the ice making device continuously.

Abstract: A floor-positioned air-conditioning apparatus including a housing including a fan and a heat exchanger; a forward blowing control member rotatably arranged at a forward air outlet formed in a housing front surface at a position near a housing top surface; and an upward blowing control member rotatably arranged at an upward air outlet formed near the housing front surface are included. The forward blowing control member closes the forward air outlet and the upward blowing control member closes the upward air outlet during operation stop. The forward blowing control member closes the forward air outlet and the upward blowing control member is rotated and opens the upward air outlet during cooling operation. The upward blowing control member closes the upward air outlet and the forward blowing control member is rotated and opens the forward air outlet during heating operation.

Abstract: A method for converting heat to electric energy is described which involves thermally cycling an electrically polarizable material sandwiched between electrodes. The material is heated by extracting thermal energy from a gas to condense the gas into a liquid and transferring the thermal energy to the electrically polarizable material. An apparatus is also described which includes an electrically polarizable material sandwiched between electrodes and a heat exchanger for heating the material in thermal communication with a heat source, wherein the heat source is a condenser. An apparatus is also described which comprises a chamber, one or more conduits inside the chamber for conveying a cooling fluid and an electrically polarizable material sandwiched between electrodes on an outer surface of the conduit. A gas introduced into the chamber condenses on the conduits and thermal energy is thereby transferred from the gas to the electrically polarizable material.

Abstract: Condenser systems for vehicle air conditioning systems and processes for controlling condenser systems are disclosed. The condenser systems include a plurality of fans that can be activated and/or deactivated based on a load indicating parameter of the heat transfer circuit of the air conditioning system.

Abstract: A refrigerating apparatus includes a high temperature side first cycle; a high temperature side second cycle; a low temperature side cycle in which carbon dioxide is used as a refrigerant; a first cascade condenser and a second cascade condenser, which each exchange heat between a high temperature side refrigerant and a low temperature side refrigerant; and a control unit lowering an evaporation temperature of a high temperature side evaporator in correspondence to the flow of the low temperature side refrigerant.

Abstract: A cryocooler, includes a cylinder filled with gas. A piston rectilinearly reciprocates inside of the cylinder and compresses or expands the gas. A connecting rod has a first side coupled to the piston and moves with the piston, and a second side having a first thread along an outer circumference thereof. A linear motor rectilinearly reciprocates a motor shaft toward the connecting rod in accordance with a control signal. A sleeve has two open sides, so that an end portion of the motor shaft can be supported by and inserted in one open side, and the second side of the connecting rod can be inserted in the other open side, and an inner circumference of the sleeve is formed with a second thread that engages with the first thread of the connecting rod and rotates to adjust a distance between the motor shaft and the connecting rod.

Abstract: Provided is a refrigerator. The refrigerator includes a cabinet defining a refrigerating compartment and a freezing compartment, a heat exchange chamber defined in a side of the cabinet to provide a space for receiving an evaporator, a storage compartment defined in the cabinet, the storage compartment being independent from the refrigerating compartment, the freezing compartment, and the heat exchange chamber, a supply duct assembly connecting the heat exchange chamber to the storage compartment to provide a cool air supply passage, and a guide duct communicating with the supply duct assembly, the guide duct extending from a rear surface of the storage compartment up to a front portion of the storage compartment to guide cool air into a front side of the storage compartment. The guide duct discharges the cool air from the front portion of the storage compartment toward the inside of the storage compartment.

Abstract: A refrigerator having an operation lever for a dispenser includes first and second levers interconnected to perform respectively different functions. At least one of the first and second levers is moved relative to the other one. Accordingly, the operability and the aesthetic appearance of the refrigerator may be improved.

Abstract: A heat dissipation device includes a mounting bracket and a thermal module. The mounting bracket has at least one retaining hole and a mounting section, and the thermal module includes a plurality of radiating fins, to which the mounting bracket is connected. On the radiating fins, at least one engaging zone is provided for correspondingly engaging with the mounting bracket, and at least one locking portion is formed for correspondingly engaging with the retaining hole. With the above structural design, the mounting bracket can be more firmly and stably connected to the thermal module and be more accurately located on the radiating fins without the need of welding, so that the manufacturing cost for welding is saved. A method of manufacturing the heat dissipation device is also disclosed.

Abstract: An apparatus for cooling semiconductor elements uses heat exchangers to transfer heat from the semiconductor elements to a coolant flowing through the heat exchangers. A central body, made from a flexible material, is positioned between the heat exchangers and a manifold from which the coolant is provided. The central body includes a plurality of flexible runners fluidly coupled to each heat exchanger and the manifold to provide the coolant to the heat exchanger. Heat is transferred away from the semiconductor elements by the coolant and heated coolant is returned from the heat exchanger to the manifold. Each flexible runner is configured to flex to conform to a height of a respective semiconductor element and thereby apply a force to the heat exchanger to maintain contact with the semiconductor element.

Abstract: A water purifier with an ice maker is provided that may include an ice making part (200) having an evaporator (210) and a circulation cooling part (300) that circulates water stored in a cold water tank (310) to the evaporator (210) so that the water stored in the cold water tank (310) is cooled by performing a heat exchange with refrigerant flowing in the evaporator (210). With the configurations as described above, it is possible to simultaneously make ice and cool water using a single evaporator. Therefore, there is no need to make separate ice so as to cool water, thereby making it possible to enhance the energy efficiency of the water purifier with an ice maker.

Abstract: An object of the present invention is to provide a readily produced and easily handled heat storage member. The heat storage member 1 has a rectangular plane surface of, for example, 15 (cm)×20 (cm), and has a thickness of, for example, 10 to 15 mm. The heat storage member 1 includes a gelatinous latent heat storage material 12, and a large number of highly heat conductive fillers 14 dispersed in the latent heat storage material 12. The highly heat conductive fillers 14 are mixed in the latent heat storage material 12 with a bias in dispersion density. In the rectangular plane surface of the heat storage member 1, a periodic pattern is formed in combination of cellular (cell-like) regions 10, which are demarcated by, for example, hexagonal contour lines 16 and which are periodically arrayed in the vertical and horizontal directions.

Abstract: Systems, apparatuses, and methods described herein are directed to a heat exchange tube structure and an arrangement of heat exchange tubes that enhance or help promote fluid flow through a heat exchanger. Bend portions of heat exchange tubes may be structured and configured to allow for gaps so that fluid may pass an assembly of the heat exchange tubes. The heat exchange tubes may be arranged to expose the air gaps at the bend portions of the heat exchange tubes to promote fluid flow.

Abstract: A dehumidifier includes a suction unit, a dehumidifying unit having a chiller, a discharge unit having a heat radiator, a refrigerant circulating system, and a heat exchanger. The suction unit sucks humid air into the dehumidifying unit, which cools the humid air and condenses the moisture in the humid air to create dry air. The discharge unit heats and discharges the dry air coming from the dehumidifying unit, and the heat exchanger exchanges heat between the humid air and the dry air coming from the dehumidifying unit. The refrigerant circulating system is used to cool the humid air at the dehumidifying unit and to heat the dry air at the discharge unit. In some embodiments, the heat exchanger includes a heat transfer unit, wherein flat plates are turned back alternately in opposite directions, and a first and second flow passage are prepared alternately in many layers between the flat plates.

Abstract: A cooling device which is provided with an evaporator with a built-in wick, a condenser, and a loop type heat pipe which connects the evaporator and condenser in a loop and is provided with a liquid pipe and vapor pipe, wherein the evaporator is divided into a liquid-pipe-side case and a vapor-pipe-side case and wherein a plurality of discharge ports of working fluids and a wick in which the working fluid from the discharge ports is completely permeated are arranged between the two cases. The wick is provided with projecting parts which have recessed parts corresponding to the discharge ports, while the outer circumferential surfaces of the projecting parts are provided with grooves. The working fluid which permeates the wick is changed to a vapor inside the vapor-pipe-side case, collects in the evaporation chamber, and is discharged to the liquid pipe, and thus, dry out of the wick is prevented.

Abstract: Air conditioning system using deep seawater, including: a first pump pumping deep seawater; a seawater-coolant heat exchanger receiving pumped seawater, and performing heat exchange between a cold energy in pumped deep seawater and a coolant; an air conditioning heat exchanger receiving the coolant, and performing heat exchange with the coolant, to release cold energy in a target facility to cool the target facility; a fluid circulating system circulating the coolant between the seawater-coolant heat exchanger and air conditioning heat exchanger through a pipe using a second pump; and an operation controller controlling driving of the first pump at timing in advance of when a variation is anticipated in predicted heat loads of the target facility, based on a prediction operation status value and a predicted weather status value of the target facility, and based on a time lag due to a length of the pipe in the fluid circulating system.

Abstract: A low cost hybrid horizontal drainpipe heat exchanger using a mixture of plastic and copper to reduce cost, the heat exchanger including a conduit which has upper and lower tube segments sealed together along respective longitudinal edges so as to create a tube or a pipe wherein the lower segment is thermally conductive and the upper segment is thermally insulative, the arrangement being such that any drainwater flowing through the drainpipe will flow interiorly on the lower segment for heat exchange purposes.

Abstract: An aluminum alloy heat exchanger is produced by applying a coating material that is prepared by adding a binder to a mixture of an Si powder and a Zn-containing compound flux powder to a surface of an aluminum alloy refrigerant tube, assembling a bare fin that is formed of an Al—Mn—Zn alloy with the refrigerant tube, and brazing the refrigerant tube and the bare fin by heating in an atmosphere-controlled furnace, the refrigerant tube being an extruded product of an aluminum alloy that comprises 0.5 to 1.7% (mass %, hereinafter the same) of Mn, less than 0.10% of Cu, and less than 0.