Abstract: A three-dimensional (3D) metal object manufacturing apparatus has a plurality of thermally insulative members that float in a volume of heat transfer lubricating fluid in which a X-Y translation mechanism moves to position a platform opposite an ejector. The apparatus also includes a housing having an internal volume in which the platform and X-Y translation mechanism are located. The heat transfer lubricating fluid can be a molten salt, such as a molten fluoride, chloride, or nitrate molten salt. The thermally insulative members can be spheres made of zirconium oxide or zirconium dioxide. The thermally insulative layer formed by the members floating in the fluid protects the X-Y mechanism while the housing helps keep the surface temperature of the object being formed on the platform in an optimal range for bonding of melted metal drops ejected from the ejector to a surface of a metal object being formed on the platform.

Abstract: Embodiments of the present disclosure are drawn to additive manufacturing apparatus and methods. An exemplary additive manufacturing method may include forming a part using additive manufacturing. The method may also include bringing the part to a first temperature, measuring the part along at least three axes at the first temperature, bringing the part to a second temperature, different than the first temperature, and measuring the part along the at least three axes at the second temperature. The method may further include comparing the size of the part at the first and second temperatures to calculate a coefficient of thermal expansion, generating a tool path that compensates for the coefficient of thermal expansion, bringing the part to the first temperature, and trimming the part while the part is at the first temperature using the tool path.

Abstract: A connector arrangement for conducting liquid urea solutions. The connector arrangement includes a distributor, with at least three connecting elements, and a connecting component, located between the connecting elements, with inner channels running within the connecting component. Three individual lines having connecting means are connected to the connecting elements of the distributor by the connecting means, and a housing surrounds the distributor and at least a part of the individual line. The distributor is disposed in the housing together with end sections of the connected individual lines. A channel line inner diameter of the inner channels and a total length of the inner channels and a wall thickness of the distributor in the connecting component are dimensioned such that ice pressure on the distributor, which occurs as a result of the freezing of a liquid within the distributor, does not result in any destruction.

Abstract: A water heater appliance includes a cold water conduit and a hot water conduit. The water heater appliance also includes a mixing valve and a controller. The controller may be configured for and/or methods of operating the water heater appliance may include detecting a start of a flow event from the water heater appliance and detecting a water temperature in the mixed water conduit of the water heater that is outside of tolerance limits after detecting the start of the flow event. The controller may be further configured for and/or the method may further include verifying that the flow event has not ended after detecting the water temperature in the mixed water conduit is outside of the tolerance limits. After verifying that the flow event has not ended, a count is added to a fault counter.

Abstract: An electric heating device includes a casing which forms inlet and outlet openings for a fluid to be heated and a circulation chamber communicating with the inlet and outlet openings, and into which at least one PTC heating element with at least one PTC element projects which is, for electrical contact, provided with contact strips which are exposed in a connection chamber which is separated from the circulation chamber by way a partition wall. The casing further forms a control chamber for accommodating a control device which, with regard to controlling, is coupled to the at least one PTC heating element. An integrally formed casing base member, made of a plastic material, forms the partition wall and walls which circumferentially surround the circulation chamber and the connection chamber.

Abstract: A water heater system includes a tank having internal capacity no greater than 1 gallon, a water inlet, and a water outlet. A flow of water into the tank through the water inlet and out of the tank through the water outlet is a downstream water flow. An absence of downstream water flow is a standby condition of the water heater. The water heater includes a heating element for heating water in the tank, a first temperature sensor positioned to sense a temperature of the water flowing into the tank, and a second temperature sensor positioned to sense a temperature of the water flowing out of the tank. The water heater further includes a damper upstream of the second temperature sensor to reduce fluctuations in the temperature readings of the second temperature sensor to reduce false detection of downstream water flow.

Abstract: System and method for grid load-up dual set point. The invention provides a method of operating a water heater having a tank configured to store water. The method includes heating, via a first heating element, a first portion of the water to a first temperature set point. The method also includes heating, via a second heating element, a second portion of the water to a second temperature set point, the second temperature set point being greater than the first temperature set point. The method additionally includes receiving a load-up signal from a grid controller, and heating, via the first heating element, the first portion of the water to the second temperature set point upon receiving the load-up signal.

Abstract: Apparatus and methods for delivering a heated fluid. The apparatus includes at least a preheat zone, an expansion zone, and an expanded zone comprising a plurality of trim heaters, at least one fluid flow-distribution sheet, and an outlet. The apparatus may be used for delivering the heated fluid onto a moving fluid-permeable substrate.

Abstract: Providing an open data marketplace may include identifying one or more data attributes from a plurality of applications registered with a shared data management system; mapping said one or more data attributes to a data model to create a first set of mapped data; augmenting said first set of mapped data with additional data imported into the shared data management system from other data locations to create an augmented set of mapped data; receiving one or more of second set of mapped data from one or more shared data management system associated respectively with one or more shared data management networks; enabling of composing a data set by combining and cleansing one or more of said first set of mapped data, said second set of mapped data, and said augmented set of mapped data; and offering said composed data set in a digital marketplace with associated pricing characteristics.

Abstract: A modular manifold for a tankless water heater includes a first cavity member and a second cavity member. The first cavity member includes a first opening, a second opening, and a first base wall. The second cavity member is coupled to the first cavity member and includes a first opening, a second opening, and a second base wall. Two of the openings are configured to receive a first conduit and a second conduit. The first and second base walls and the two openings that receive the first and second conduits define a fluid flow path through the modular manifold.

Abstract: The invention relates to an electric heater comprising a fluid-conducting housing, in which at least one, preferably helical, heating unit, preferably a wire resistance heating element, is accommodated. The heating unit can have a tubular outer body, in which a heating element electrically contacted with a control circuit accommodated in an electronics housing is embedded. According to the invention, end sections of the heating unit extend in a sealed manner through the fluid-conducting housing to, and preferably into, an electronics housing. The invention further discloses a method for actuating an electric heater and to a heater that can be operated according to such a method, wherein said heater is designed with at least one resistance heating element, which acts as a temperature sensor, so that the temperature thereof can be used for actuating the heater.

Abstract: A device (24) for preparing a hot beverage, especially coffee, includes a water reservoir (4), a heating unit (11) connected to the water reservoir (4), delivery elements (16) connected to the heating unit with a delivery opening (19) for delivering hot water to a container (20) which during use contains an extract from which a beverage is to be made, water transport elements (12, 14) for transporting water from the heating unit (11) to the delivery element (16), and an air supply conduit (27) for supplying air to the hot water. The air supply conduit (27) discharges in or near the delivery element (16), upstream of the container (20), for cooling the water to be delivered by the delivery element (16) to the container (20), wherein the hot water before cooling has a temperature of at least 95° C., preferably at least 97° C., more preferably a temperature around the boiling point.

Abstract: An electronic circuit control arrangement to sustain water discharging from an instantaneous hot water heater at a set temperature or range having a proportional water temperature signal derived from a sensing arrangement in communication with water inlet and outlet ports so as to sense the respective temperatures at each port to provide a comparatively measurable proportional difference between the inlet and outlet temperatures set against referenced parameters, including a comparator that acts as an operable control of a switch adapted to couple and de-couple an alternating current power source to the heating element through a duty cycle of highs and lows to provide a rate to generate and maintain the appropriate coupling and/or de-coupling of the alternating current power source to and from the heating element to achieve the desired referenced temperature and/or range.

Abstract: The invention relates to a line for transporting a hydrocarbon. The line includes a hollow inner tube extending in a longitudinal direction for transporting the fluid in the inner tube and having an electrically insulating outer surface. A heating layer is arranged on the inner tube and comprises carbon fibers embedded in a polymer material. A heat insulation layer is arranged around the heating layer. An outer tube is arranged around the heat insulation layer. The outer tube is designed to resist an outer pressure at least higher than 100 bar. Spacing means hold the outer tube at a distance from the inner tube in a fixed manner. Power supply means feed an electric current to the heating layer in order to heat the inner tube.

Abstract: Provided is a cooling-water heating type heater, and more particularly, a cooling-water heating type heater capable of effectively heating cooling-water, using a first pipe with a cylindrical first heating part and a second pipe with a second heating part.

Abstract: A liquefier assembly for use in an additive manufacturing system, which includes a rigid member having a gap, a liquefier tube operably disposed in the gap, one or more heater assemblies disposed in the gap in contact with the liquefier tube, and configured to heat the liquefier tube in a zone-by-zone manner, preferably one or more thermal resistors disposed in the gap between the rigid member and the heater assemblies, and preferably one or more sensors configured to operably measure pressure within the liquefier tube. The one or more heater assemblies may be operated to provide dynamic heat flow control.

Abstract: A heating device (100, 200), which can be arranged at an object (101, 201) to be heated, especially an injection molding die, has an inner jacket surface (111, 211) and an outer jacket surface (112, 212), with a heating element (105, 205) and with a thermocouple (103, 203). The thermocouple (102, 203) has at least one positioning section, in which the cross section of the thermocouple (103, 203) deviates in at least one direction of the cross-sectional area from the cross section of at least one section of the thermocouple (103, 203) located adjacent to this positioning section. The heating device (100, 200) has at least one device for locking this positioning section against displacement in and/or opposite to the direction in which the thermocouple (103, 203) extends.

Abstract: A heating pump includes a motor, a housing fixed to the motor, an impeller driven by the motor and received in the housing, and a tubular heating member fixed in the housing. The housing includes an intake tube and a discharge port arranged at the periphery of the intake tube. The impeller includes an inlet communicating with the intake tube and a plurality of outlets around the inlet. The outlets communicate with the discharge port via a first passage surrounded by the heating member. A second passage, which communicates with the first passage, is formed between a radially outer surface of the heating member and a radially inner surface of the housing.

Abstract: An instantaneously heating water dispenser, electrically connected with an external power, includes a voltage detection module, a voltage compensation module, a water tank, a heating module, and a control module. The voltage detection module detects a voltage level of the external power. The voltage compensation module operates in coordination with the voltage detection module and stabilizes the voltage level of the external power. The heating module electrically connected with the voltage compensation module is connected with the water tank, and converts the external power compensated into a thermal energy. The control module is electrically connected with the heating module and the voltage compensation module and configured for controlling the amount of water flow injected into the heating module and the thermal power generated by the heating module according to the amount of water to be dispensed from the instantaneously heating water dispenser and the associated water temperature.

Abstract: The invention relates to a device for electrically heating fluid for a motor vehicle, characterized in that it comprises: at least one heating module (2a, 2b) comprising at least one heating element (7a, 7b) and defining a circuit (7a, 7b) for guiding the fluid to be heated; a means (3) for controlling the heating element (7a, 7b), comprising an electric current switch (14a, 14b) connected to said heating element (7a, 7b) and a heat sink (15) having a first surface (19), which is to contact the fluid, and a second surface (19), which is to contact a sole plate (16) of said electric current switch (14a, 14b). The invention also relates to a heating and/or air-conditioning apparatus for a motor vehicle, including at least one such electric-heating device (1).

Abstract: An integrated water heating system is comprised of a hot water holding tank having an outer jacket secured in spaced relationship therearound. An insulating space is defined about the hot water holding tank and the outer jacket. A connecting bracket is secured to an outer surface of the hot water holding tank and has a projecting formation provided with an arcuate connecting wall spaced a predetermined distance from the outer surface for close fit adjacent an inner surface of the outer jacket and disposed for alignment with an external support bracket adapted to be secured thereto through the outer jacket. Thermal insulating material is disposed in the insulating space and about the connecting bracket. An external water heating device is removably supported by the external support bracket. A pump circulates water through the water heating device and through the hot water holding tank.

Abstract: A water feeding device of instantaneous heating type electrically connected an external power source includes a water tank, a transparent pipe, a heating module, a contactless sensing module, and a control module. The transparent pipe is connected between the water tank and the heating module. The heating module converts electrical energy of the external power source to thermal energy. The contactless sensing module disposed at an outside of the transparent pipe includes a lighting unit and a light sensing unit. The lighting unit produces a light beam toward the transparent pipe. The light sensing unit disposed opposite to the lighting unit detects intensity of the light beam propagating through the transparent pipe to generate a detection signal accordingly. The control module electrically connected to the heating module and the contactless sensing module controls the heating module whether to continuously produce the thermal energy according to the detection signal.

Abstract: The invention relates to a device (5) for electrically heating fluid for a motor vehicle, said heating device (5) comprising at least one heating module (7a, 7b) for heating said fluid, said at least one heating module (7a, 7b) comprising a central core (11) and a heating element (13) defining a guide circuit (15) that guides the fluid between said heating element (13) and said central core (11) such that said at least one heating module (7a, 7b) comprises at least one disturbing element (17; 27; 37; 47) arranged in the fluid guide circuit (15) around the central core (11) and able to disturb the flow of said fluid. The invention also relates to a heating, ventilation and/or air conditioning apparatus (1) for a motor vehicle that comprises such an electrical heating device (5).

Abstract: A warming unit and method for warming an infusion medium prior to introducing the medium into a patient's body. The apparatus includes an outer casing, inlet and outlet tubes secured to the outer casing, a fluid conduit for transporting the infusion medium through the warming unit, and a heating element disposed proximate to the fluid conduit for warming the infusion medium flowing therethrough. The warming unit can form part of a system, which further includes a controller for controlling various functions of and separate from the warming unit, a reservoir containing the infusion medium, and a power source for powering the warming unit.

Abstract: An electrical heating device with pluggable heating module includes a box body (10) and a heating module (20). The box body (10) has an accommodation space (14) for the liquid (74) contained therein, which is provided with a slot (111) communicating the accommodation space (14). The heating module (20) is received in the slot (111) in a pluggable way and separates the accommodation space into a first chamber (141) and a second chamber (142). The heating module (20) includes a positive temperature coefficient (PTC) heating component (21) and a heat conducting component (22) covering the outside of the PTC heating component (21). By this arrangement, the time for maintaining the electrical heating device (1) can be saved and the liquid (74) heating effect of the electrical heating device (1) can be improved as well.

Abstract: A water delivery system is provided, comprising at least one faucet device with a cold water faucet part and a hot water faucet part, a cold water line to the at least one faucet device, a tankless heater device for heating water, a hot water line having a first portion running from an outlet of the tankless heater device to the at least one faucet device and having a second portion running from the at least one faucet device to an inlet of the tankless heater device, and a circulatory pump arranged in the second portion of the hot water line, wherein the circulatory pump has a prefixed first performance level and a prefixed second performance level, wherein the first performance level causes a finite water flow in the hot water line which is below an operation threshold value of the tankless heater device.

Abstract: An IV line temperature controlled warming device includes a housing and a fluid cassette or cartridge that receives fluid from an IV line and includes intravenous line tubing arranged in a preformed configuration. The configuration includes tubing sections arranged in generally circular and concentric portions and a central serpentine tubing section that basically reverses fluid flow and facilitates flow in opposing directions within adjacent tubing sections. The fluid cassette is retained within the device on a base plate partially disposed within a device housing interior, while a housing cover is selectively opened and closed to permit access to the base plate. The base plate includes a heater plate disposed thereon, while the cover and heater plate each include heating elements to apply heat to opposing surfaces of the tubing cassette. The heating elements are controlled by a controller in response to measured temperatures of the heater plate and fluid.

Abstract: The invention relates to a liquid heating device for an automobile that comprises at least one first part (1a) made of a heat-conducting material, a liquid flow path (10a) integrally formed in said first part (1a) for enabling a flow of liquid between an inlet and an outlet (12a), and a heating means (14) thermally coupled with said part (1a) and capable of heating said part (1a) so that the liquid flowing through said flow path can absorb the heat of said part (1a). According to the invention, the first part includes a planar bottom wall (15a) extending in a plane parallel to the flow path (10a), and the electric heating means includes a plurality of flat stones (14) having a positive temperature coefficient and arranged as a matrix in the same plane in parallel and in contact with the bottom wall (15a) as well as two electrodes in the form of two planar surfaces, each arranged in parallel and in contact with the corresponding surfaces of the flat stones of the matrix.

Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.

Abstract: Provided is a heat-transfer-medium heating apparatus including: a first heat-transfer-medium circulating box and a second heat-transfer-medium circulating box, which are attached to each other in a fluid-tight manner, in which heat-transfer-medium circulating paths are formed therein in close contact with both surfaces of a PTC heater; an electrical-component cooling wall member that is provided in, for example, the first heat-transfer-medium circulating box so as to be located adjacent to the heat-transfer-medium circulating path; and an electrical component that is fixed on the electrical-component cooling wall member, wherein a protruding portion is formed on the surface at the heat-transfer-medium circulating path side of the electrical-component cooling wall member so as to be positioned at exactly behind an installation position of the electrical component and to extend towards the heat-transfer-medium circulating path.

Abstract: A liquid heater such as a direct electrical resistance liquid heater having multiple flow channels is provided with a temperature-sensing element in the form of a wire extending across numerous channels, preferably all of the channels, near the downstream ends of the channels. The resistance of the wire represents the average temperature of the liquid passing through all of the channels, and hence the temperature of the mixed liquid exiting from the heater. A bubble suppressing structure is provided in the vicinity of the wire.

Abstract: A system for subsea extraction of gaseous materials from and preventing the formation of hydrates.

Abstract: A circuit for supplying energy to a fuel injection valve for inductive heating has a capacitor and a first coil in the fuel injection valve together forming a parallel resonant circuit. A first controllable switching element is connected between a first node of the capacitor and a connection point connected to ground. A second controllable switching element is connected between a second node of the capacitor and the connection point. A first diode is connected between the control connection of the first switching element and the second node. A second diode is connected between the control connection of the second switching element and the first node. The control connections of the two switching elements are connected to a positive potential. The first node is connected to the positive potential via a second coil, and the second circuit node is connected to the positive potential via a third coil.

Abstract: A combined showerhead and tankless water heater. A control panel permits a user to adjust the temperature level of the water that is heated. In one embodiment, the water flowing through the tankless water heater portion can be heated up about an additional eighteen (18) degrees.

Abstract: The invention relates to a domestic appliance, such as a steam iron or a coffee making apparatus. Such appliances comprising a housing, a water reservoir, an actuator, for example, plunger pump and a boiler for providing hot water or steam for an appliance. An input of the plunger pump is connected to the water reservoir, an output of the plunger pump is connected to an inlet of the boiler. In operation, the plunger pump is reciprocating at the mains frequency. The operating plunger pumps introduces vibrations which are transmitted to the housing and radiated by the housing to the environment which cause sounds and noise which are not user friendly.

Abstract: A refrigerant heating apparatus is provided. The refrigerant heating apparatus includes a refrigerant pipe in which a refrigerant flows and a heating unit that is provided on an outer surface of the refrigerant pipe. The heating unit includes a plurality of electrodes that are provided at an outer surface of the refrigerant pipe and are spaced from each other and a plurality of carbon nanotube heating elements that are electrically connected to the plurality of electrodes. The plurality of carbon nanotube heating elements are heated by an applied power, and are disposed to be spaced from each other.

Abstract: An exhaust apparatus includes a lower side exhaust duct and an upper side exhaust duct which are branched vertically, and in that the lower side exhaust duct is extended toward the lower side of the vehicle from an exhaust outlet portion of the air-cooled fuel cell stack, and the downstream end portion of the lower side exhaust duct is opened at a lower portion of the front compartment, while the upper side exhaust duct is extended toward the upper side of the vehicle from an upper portion of an outer wall of the lower side exhaust duct, the outer wall extending toward the lower side of the vehicle, and the downstream end portion of the upper side exhaust duct is opened between the rear end portion of the front hood and the front end portion of the front window.

Abstract: An electric heater (10, 20, 30, 40, 60, 70, 80), especially for heating surfaces of components, is provided with an inner metal jacket (11, 21, 31, 41, 61, 71, 81) and an outer metal jacket (14, 24, 34, 44, 64, 74, 84), which are arranged relative to one another such that a space is present between the inner metal jacket (11, 21, 31, 41, 61, 71, 81) and outer metal jacket (14, 24, 34, 44, 64, 74, 84). At least one heat conductor (13, 23, 33, 43, 63, 73, 83) is arranged at least in some sections in the space between the inner metal jacket (11, 21, 31, 41, 61, 71, 81) and outer metal jacket (14, 24, 34, 44, 64, 74, 84). At least two spacers (12, 22, 32, 36, 42, 62, 72, 82), arranged between the heat conductor (13, 23, 33, 43, 63, 73, 83) and inner metal jacket (11, 21, 31, 41, 61, 71, 81) are provided, over which the sections of the heat conductor (13, 23, 33, 43, 63, 73, 83) are guided.

Abstract: In a power supply arrangement for supplying electrical power to the pipeline, the power supply arrangement for direct electrical heating of a pipeline system has basically a three phase transformer, a symmetrization unit, and a compensation unit. The three phase transformer is adapted to support a single phase load connected between a first and a second phase of the transformer. The transformer has at least one first tap changer at a high voltage side of the transformer. The symmetrization unit has a first capacitor connected between the first phase and a third phase of the transformer and an inductor connected between the second phase and the third phase of the transformer. The compensation unit has a second capacitor connected between the first phase and the second phase of the transformer. The first tap changer, the first capacitor, the second capacitor and the inductor are adapted to be varied on-load.

Abstract: A rapid preparation method of high-quality hot water and a preparation device thereof include steps of: a) calculating a heating variable T according to T=Tcm?TR+x, wherein the TR and the x are predetermined constants, then determining a flow rate Lj according to a series of heating curves of a pipeline heater (4), wherein the Lj satisfies T?THj, the THj is a highest heating value when the flow rate is Lj; b) inputting water with the flow rate Lj into the pipeline heater (4), then obtaining the heating variable T according to a heating curve pair of the pipeline heater (4), wherein the heating curve pair is corresponding to the Lj, determining an adjacent heating power pair from heating curves of the pipeline heater (4), wherein the heating power pair is corresponding to one of time points in a slow nonlinear heating area K, then heating with one heating power of the heating power pair; and c) detecting a water temperature Tc in the step b) from a water outlet (GB) of the pipeline heater (4); calculating a te

Abstract: A flow heater (100, 200, 300, 400, 500) with a tube arrangement including at least one tube (105, 106, 205, 206, 305, 306, 404, 405, 406) for passing through a fluid to be heated or a plurality of fluids to be heated, and with a heater with a metal jacket, especially with a tubular heating body (102, 202, 302, 402, 502), in which the tubes (105, 106, 205, 206, 304, 305, 306, 404, 405, 406, 505) surround the heater. At least in partial areas of the heater, wall sections (113, 114, 213, 214, 311, 312, 313, 411, 412, 413, 513) of the tube arrangement (105, 106, 205, 206, 304, 305, 306, 404, 405, 406), which wall sections face the heater, are adapted to an outer contour of the heater, which heater may or may not include a heat transport tube (117, 317, 517), so that the wall sections are in flush contact with sections of this outer contour. The tube arrangement (105, 106, 205, 206, 304, 305, 306, 404, 405, 406, 505) is connected together and/or with the heater by a connection device.

Abstract: A boiler regulation system for diverting energy from a boiler to hot water production having a housing with a thermostat dial, a sensor connection, and a plurality of connections on the housing; a step down transformer, a first general-purpose relay coil, a close-on-rise thermostat, and a first normally closed contact relay corresponding to a heating zone valve/pump each in the housing; wherein when the close-on-rise thermostat senses a rise in temperature when hot water is in demand the close-on-rise thermostat closes sending a first signal to the first general-purpose relay coil and the first general-purpose relay coil energizes causing the first normally closed contact relay to open, discontinuing power to the heating zone valve/pump thereby enabling boiler energy to be used for hot water.

Abstract: A superheated-steam heating nozzle is provided that includes: first-fourth steam pipes concentrically disposed from inside to outside; an outlet connection is provided to the outlet side of the superheated-steam heating nozzle and receives steam from the first steam pipe; a blow-out nozzle is connected to the outlet connection; multiple electric heaters disposed in the gap between the second steam pipe and the third steam pipe and whose sealed sections at the tips traverse a temperature-rise-prevention section and protrude towards the superheated-steam heating nozzle; a first loop-back section on the outlet side connects the gap between the third steam pipe and the fourth steam pipe with the gap between the first steam pipe and the second steam pipe; and a second loop-back section on the inlet side connects the gap between the first steam pipe and the second steam pipe with the inside of the first steam pipe.

Abstract: A representatively pumpless water heater system has an instantaneous water heater coupled in series with a storage water heater by piping circuitry incorporating a fixed (and selectively fixed) bypass useable to route pressurized incoming cold water sequentially through the instantaneous and storage type heaters. The fixed bypass can also route pressurized incoming cold water to mix with the heated water exiting the instantaneous heater for delivery to the storage heater.

Abstract: In one example, a mixing header includes a body that defines a fluid passage having an inlet side and an outlet side. The mixing header also includes a flow conditioning element that is connected to the body and arranged for fluid communication with the fluid passage. The flow conditioning element also includes a plurality of elements each connected to, and extending outwardly from, a hub.

Abstract: This application discloses a heat driven liquid self-circulating device, system and method, means the liquid system formed by said devices according to said method can be circulated automatically to transfer the heat without external pump power. The heat driven self-circulating device for heated liquid which used with a liquid heat collector, comprises an airtight container for containing heated liquid, having a wall to separate its outer and inner spaces; said inner space is filled with heated liquid partially and having a upper air/vapor space above liquid level surface and lower liquid space under liquid level surface; a first inlet, a first outlet, a second inlet and a second outlet arranged on said wall of the container that both first inlet and first outlet are under the liquid level surface in said container, and said first inlet not lower than said first outlet.

Abstract: The invention includes a tankless liquid heater that employs a series of chambers, each having a plurality of heating tubes, with heating elements positioned thereon, and a control unit comprising a switch, controller, and power distributor to control the flow and heating of liquid in the system. In one embodiment, the control unit takes input from a liquid flow sensor that monitors the passage of liquid through the system, a temperature sensor adapted to monitor liquid temperature, and a current leakage sensor adapted to monitor the current leakage in the system. In response to these sensors, the control controller actuates the relay between an closed position, which allows current from the power distributor to pass to a plurality of heating elements, and an open position, which prevents the current from flowing from the power distributer to the plurality of heating elements.

Abstract: Apparatus and methods for delivering a heated fluid. The apparatus includes at least a preheat zone, an expansion zone, and an expanded zone comprising a plurality of trim heaters, at least one fluid flow-distribution sheet, and an outlet. The apparatus may be used for delivering the heated fluid onto a moving fluid-permeable substrate.

Abstract: The present application relates to a near instantaneous water heater for kitchen or bath products such as a toilet bidet or bidet. The water heater includes a cold water chamber such that water entering the water heater flows through the cold water chamber before it is heated within a heating chamber. A heating element that heats the water in the heating chamber is provided current for heating by a driver (e.g., a silicon controlled rectifier). A thermally conductive member is provided to thermally couple the driver with water in the cold water chamber, thereby using the water in the cold water chamber to cool the driver.

Abstract: Disclosed is a heating apparatus. In the heating apparatus, carbon nanotube heating elements for heating fluid flowing through a flow channel in a heating chamber are disposed at a heat transfer part. The contact area of the carbon nanotube heating elements and the heat transfer part is 50% or more of the contact area of the heat transfer part and the fluid. Therefore, it is possible to more efficiently heat the fluid.