195 results about "Hybrid heat" patented technology

A light weight hybrid heat exchanger core possessing low density and improved thermal conductivity is disclosed. The hybrid core is comprised of a plurality of parting sheets and interposed by a plurality of high thermal conductivity, light weight bridging elements and enclosure bars. These core members are comprised of dissimilar materials. The parting sheets and bridging elements are interconnected by a specially tailored joint which forms form a substantially strong, high thermal conductivity bond. In particular embodiments, carbon-based bridging elements are bonded to metallic parting sheets using a brazed joint. The parting sheets, in certain embodiments, may comprise titanium or Ni-based superalloys or carbon composites, while the carbon-based bridging elements may comprise fiber-reinforced composites. The carbon-based bridging elements reduce the core weight and increase the core thermal conductivity over conventional all-metal designs, while the brazed joint provides for improved leak resistance over all-composite designs.

There is provided a hybrid heat pump system. The system includes (i) a membrane permeator having a permselective membrane capable of selectively removing vapor from a vapor-containing gas to yield a dry gas, (ii) a heat pump having (a) an internal side for exchanging thermal energy with a process fluid, (b) an external side for exchanging thermal energy with an external environment, and (c) a thermodynamic mechanism for pumping thermal energy between the internal side and the external side in either direction, (iii) means for conveying the vapor-containing gas into the membrane permeator, and (iv) means for routing the dry gas to either of the internal side or the external side.

A device for transporting heat from a cold reservoir to a warm reservoir, in which at least two cyclic processes are employed for transporting heat thereby absorbing work, of which at least one is a regenerative cyclic process, and at least one is a magnetocaloric cyclic process, wherein the regenerative cyclic process has a working fluid and a heat storage medium, is characterized in that the heat storage medium of the regenerative cyclic process comprises a magnetocaloric material for the magnetocaloric cyclic process, wherein the magnetocaloric material is in a regenerator area with a cold end and a warm end, the working fluid of the regenerative cyclic process additionally serving as a heat transfer fluid for the magnetocaloric cyclic process. This produces a compact device with low apparative expense, wherein the power density and also the efficiency of the device are increased. The device may advantageously be used for cooling a superconducting magnet configuration.

A hybrid heat exchanger apparatus having a heat exchanger device with a hot fluid flowing therethrough includes a cooling water distribution system and an air flow mechanism for causing ambient air to flow across the heat exchanger device. The cooling water distribution system distributes evaporative cooling water onto the heat exchanger device to wet only a portion of the heat exchanger device while allowing a remaining portion of the heat exchanger device to be dry. The air flow mechanism causes ambient air to flow across the heat exchanger device to generate hot humid air from the ambient air flowing across the wet portion of the heat exchanger device and hot dry air from the ambient air flowing across the remaining dry portion of the heat exchanger device. Methods are also described.

A heat transfer apparatus for use in measuring a rheological property of a test sample includes a receptacle for receiving the test sample and a heat conveying member in heat transfer relation to the receptacle. The heat conveying member has internal passages extending substantially equidistantly from one another through at least a portion of the heat conveying member to provide for counter-flow circulation of a fluid. The heat transfer apparatus may include heat exchanging elements in heat transfer relation to the receptacle responsive to electric current to transfer heat to or from the receptacle.

A method for heating water delivered and stored in a water heater storage tank includes activating at least one of dual fuel heater types in response to various modes of operation. The water heater is preferably a dual fuel or hybrid heat pump gas water heater that includes a heat pump as the first type of heater for heating the water, and a gas burner as the second type of heater that transfer heat to the water. One or more sensors monitor water temperature and communicate with a controller to activate one of, or both of, the first and second types of heaters. If there is an electrical power outage, the hybrid heat pump gas water heater is still able to heat the water.

The present invention relates to air conditioning systems, and more particularly, to an air conditioning system which can control a refrigerant flow rate to a heat exchanger exchanging heat with room air to be optimum; and a method for controlling the same. The air conditioning system includes an outdoor heat exchange part including a compressor for compressing refrigerant, an outdoor heat exchanger for making the refrigerant to heat exchange with outdoor air, and an expansion device for expanding the refrigerant, an indoor heat exchange part including a pump for making refrigerant in a flow path independent from the outdoor heat exchange part to flow, at least one indoor heat exchanger for making the refrigerant heat exchange with room air, and a flow rate control device for controlling a flow rate of the refrigerant, and a hybrid heat exchange part for making the outdoor heat exchange part and the indoor heat exchange part, which are independent from each other, to heat exchange with each other. According to this, the air conditioning system can be installed on a multistory building without limitation of a height of the building as far as a capacity of the pump permits. Moreover, even if a refrigerant pipe is long, the air conditioning system is applicable even to a system with a refrigerant pipe line longer than the related art as far as the capacity of the pump permits, and fine control of a room air temperature is possible.

The invention discloses a solar photovoltaic and photothermal cogeneration type hybrid heat pump, and aims to provide a novel heat pump which uses solar energy as main energy and is used for family heating in winter, refrigeration in summer and hot water supply. The solar photovoltaic and photothermal cogeneration hybrid heat pump comprises a solar collection system and a hybrid heat pump system; the solar collection system is a photovoltaic and photothermal cogeneration type system and comprises a solar film battery, a solar heat collector, a phase change heat accumulator and an accumulator; and the rear of the film battery is provided with a fluid passage which is connected with the heat collector. The heat collector comprises the heat pump system consisting of an ammonia absorption refrigeration system, an ammonia compression and refrigeration system and an ammonia diffusion and refrigeration system which are connected in series and coupled, share heat exchange equipment and throttling equipment and a refrigerating medium; and the heat pump comprises a liquid accumulator, a solution pump, a generator, a dephlegmator, a condenser, a compressor, a throttle valve, an evaporator and an absorber which are sequentially communicated by pipes. The generator of the heat pump is provided with phase change heat accumulator heat supply; and a secondary compressor of the heat pump is provided with accumulator power supply.

One embodiment of a system for efficiently cooling a processor includes an active hybrid heat transport module adapted to be integrated with a fansink. The hybrid heat transport module comprises both a fluid channel and an air channel adapted for transporting heat. The hybrid heat transport module and the fansink may be used alone or in combination to dissipate heat from the processor.

The invention provides an underwater hybrid heat source additive manufacturing device and an application method thereof and relates to the field of underwater additive manufacturing. The underwater hybrid heat source additive manufacturing device comprises a fiber laser, a control system, a welding robot, a laser head, a scanning device, an underwater laser welding torch, a gas flowmeter, an air compressor, a welding machine, a wire feeder, protective gas cylinders, an optical fiber and a welding gun. The fiber laser is connected with the laser head through the optical fiber. The laser head isconnected with the welding robot through a transfer board. The underwater laser welding torch comprises an upper end cover, an inner drainage barrel and an outer drainage barrel. The upper end coveris provided with a welding port. A glass board is arranged on the welding port. The inner drainage barrel is sleeved with the outer drainage barrel. The upper end of the inner drainage barrel is connected with the upper end cover in a sealed mode. The upper end cover is provided with inner drainage cavity air inlet holes. The outer drainage barrel is provided with outer drainage cavity air inlet holes. The inner drainage barrel and the outer drainage barrel are provided with wire feeding holes. The inner drainage cavity air inlet holes are connected with an air compressor. The outer drainage cavity air inlet holes are connected with the welding protective gas cylinders. The underwater hybrid heat source additive manufacturing device has the advantages of being simple in structure, convenient to use, high in material increasing rate, high in stability and material increasing quality and the like.

A low-cost hybrid heat exchanger uses sheet copper and rigid plastic tubing. Copper is used only where actual heat transfer takes place, adjacent the drainpipe wall. All other components are plastic to lower cost. It pre-heats fresh cold water using waste heat from the drain such as from a shower drain. The heat exchanger comprises an inner copper conduit or drainpipe, a rolled sheet copper cylinder, an outer plastic tube and manifolds, and O-ring. On assembly, inserting the drainpipe results in the O-ring being compressed between the copper cylinder and the plastic tube. The result is a sealed water chamber wherein heat transfer takes place. The ends of the plastic tube have radially spaced water distribution holes into the chamber and inlet and outlet manifolds, each with water connections to the building's cold water supply. A method of recovering heat from non-shower hot water uses using a separate reservoir is also disclosed.

The invention discloses a Q890 high-strength steel welding method, which belongs to the technical field of high-strength steel welding. It is characterized by processing the test plate: beveling, the form of the bevel is shown in the figure, the thickness of the test plate is δ≤50mm, the bevel angle is α=40~60°, and the blunt edge p=4~10mm. Clean the surfaces on both sides of the groove. Select welding material: the welding material is 90KG grade welding wire. Preheat the base metal Q890 steel to be welded, and the preheating temperature is 60~100°C. Apply laser-arc compound heat source to control the welding interlayer temperature, and the interlayer temperature is controlled at 150~250℃. Temper heat treatment after welding.

An integrated hybrid heat exchanger with a multi-sectional structure, may include a first radiator and a second radiator, and/or at least a coolant bypass member disposed between the first and second radiators, the coolant bypass member connecting one end portion of the first radiator and the other end portion of the second radiator so as to fluid-communicate between the first radiator and the second radiator.

The invention discloses a hybrid heat source stud welding method using a welding robot and a hybrid heat source stud welding system with the welding robot. The welding robot moves to a workpiece at the position of a stud to be welded, and a cylinder moves to place an induction heating ring on the workpiece at the position of the stud to be welded; an induction welder and a cooling water circulating system are started to perform induction heating for the workpiece at the position of the stud to be welded; the cylinder moves to lift the induction heating ring off the workpiece after induction heating; the welding robot moves to move a stud welding gun onto the workpiece at the position of the heated stud to be welded; the stud welding gun is started to weld the workpiece, and the welding robot moves to remove a head device and move the induction heating ring onto the welded stud; and post-weld heat treatment can be performed for the stud. The welding method and the welding system are used for automatically welding the stud with a hybrid heat source based on robot technology, and can be used for effectively integrating the automatic stud welding gun with the robot.

A heat pipe with a capillary structure that consists of heat conductive capillary grooves in the condenser region that meet with a porous wick in the evaporator section. The embodiments include several structures of the interface at the junction of the porous wick and the capillary grooves. One such interface is a simple butt joint. Others have interlocking shapes on the wick and the grooves such as parts of the wick that fit into or around the grooves.

A hybrid heat exchanger apparatus includes a direct heat exchanger device and an indirect heat exchanger device and a method of operating the same encompasses conveying a hot fluid to be cooled from a hot fluid source through the indirect heat exchanger device to a cooling fluid distribution system. The hot fluid to be cooled is distributed from the cooling fluid distribution system onto the direct heat exchanger device. In a hybrid wet/dry mode, ambient air flows across both the indirect heat exchanger device and the direct heat exchanger device to generate hot humid air from the ambient air flowing across the direct heat exchanger device and hot dry air from the ambient air flowing across the indirect heat exchanger device.

A heat exchanger having a cylindrical body comprising an upper section, a lower section, a side water jacket surrounding the upper and lower sections, a top water jacket disposed atop the upper section and a gas exhaust disposed below the lower section. A water cavity is disposed substantially in the lower section while a gas cavity having a burner is disposed substantially centrally within the gas cavity. A plurality of water tubes disposed in a ring formation, connect the water cavity through the gas cavity to the top water jacket and a plurality of gas tubes also disposed in ring formations, connect the gas cavity through the water cavity to the gas exhaust. At least one of the gas tubes ring has a diameter that is greater than that of the water tubes ring.