Abstract: A vehicle lamp is provided which includes an inner lens suitable for diffusion of light. A vehicle lamp is provided which includes: a luminous body configured to emit surface light; and an inner lens placed forward of a light output surface of the luminous body, in which first steps extending in one direction are formed on an input surface of the inner lens, and second steps extending in a direction orthogonal to the first steps are formed on an output surface of the inner lens. It is possible to uniformly diffuse incident light in all directions by orthogonally forming the steps extending in the one directions on the two opposing surfaces, the input and output surfaces, of the inner lens. In addition, mold processing for injection molding is easy. Therefore, the reproducibility is also high.

Abstract: A vehicle lamp suppressing design deterioration due to moire is provided. The vehicle lamp includes: a first plate material including a plurality of first light transmissive areas transmitting light therethrough and a first light non-transmissive area positioned between the plurality of first light transmissive areas and not transmitting light therethrough; a second plate material including a plurality of second light transmissive areas transmitting light therethrough and a second light non-transmissive area positioned between the plurality of second light transmissive areas and not transmitting light therethrough, the second plate material being layered on the first plate material; and a light source that emits light via the plurality of first light transmissive areas of the first plate material and the plurality of second light transmissive areas of the second plate material, where the plurality of second light transmissive areas are larger, in acreage, than the plurality of first light transmissive areas.

Abstract: In an embodiment a lamp includes a light source having a light source circuit board and a light emitting element arranged on the light source circuit board, a driver configured to drive the light source and having a driving circuit board and a driving electronic element arranged on the driving circuit board, a connector connectable to a power source, wherein the driver is connected to the connector such as to be spatially separated from the light source and a heat sink inside which the light source and the connector are fixedly attached in such a manner that the light source and the driver are radially surrounded by the heat sink, wherein the connector includes a supporting column configured to support the driving circuit board and a retainer configured to hold the driving circuit board.

Abstract: A cooking appliance light for a combination cooking appliance with a microwave cooking function, the cooking appliance light comprising: a mounting sleeve configured to fix the cooking appliance light in a recess of a cooking appliance wall; a LED illuminant arranged at the mounting sleeve wherein light from the LED illuminant is feedable through a cylindrical cavity of the mounting sleeve into a cooking cavity of the cooking appliance; a microwave trap configured as a grid shaped blocking element configured to prevent a passage of microwave radiation from the cooking cavity through the cylindrical cavity of the mounting sleeve into an ambient of the cooking appliance; and a translucent cover arranged at an axial end of the mounting sleeve and configured to prevent an entry of cooking vapors into the cylindrical cavity of the mounting sleeve.

Abstract: An LED lighting device includes a seat, an optical assembly and a light source. The seat has a baseplate and a sidewall. A chamber is formed between the baseplate and the sidewall. The optical assembly completely covers a light-emitting side of the LED lighting device. The light source is disposed in the chamber of the seat and includes multiple LED arrays. Each LED array includes an LED chip. The optical assembly includes an optical unit. The optical unit includes multiple first optical members and multiple second optical members corresponding to the first optical members. The LED arrays correspond to the first optical members. Each first optical member possesses an effect of light diffusion resulting from its own material property. Each second optical member includes one or more sets of optical walls. Each set of optical walls surrounds one of the first optical members.

Abstract: The invention relates to a household appliance, in particular selected from a group consisting of a dishwasher, a washing machine, and an oven, with a light beam projection device for projecting light beams onto a room floor surface located outside the household appliance, wherein the light beam projection device comprises as light source a laser light source which is arranged directly in a floor area of the household appliance facing the room floor surface in such a way that its laser light beams emit the laser light source output is directed directly onto the room floor surface.

Abstract: An LED lamp includes a heat sink, a plurality of LED light boards, an LED driving power and a diffuser. The heat sink has a long hollow tubular structure. The heat sink includes a top plate and a plurality of mounting plates, and an angle is defined between two adjacent mounting plates. The LED light boards are arranged on outer surface of each mounting plate. The outer surface of the top plate is exposed to air. The diffuser covers all the LED light boards, and is connected with the heat sink. Two end covers are separately arranged on two ends of the heat sink. The LED lamp in the present disclosure has the advantages of compact structure, good heat dissipation effect, large luminous angle, good waterproof effect, convenient connection and so on.

Abstract: Provided is an adaptable fire-resistant housing for a light fixture, comprising: a. a junction box made from steel, the junction box having an opening on a bottom configured to receive the light fixture; and b. an adjustable ring attached to the bottom of the housing, the adjustable ring having an opening configured to be attached to the light fixture or an adapter ring; wherein the light fixture or the adapter ring is attached to the adjustable ring.

Abstract: A power tool attachment efficiently guides light and provides sufficient illumination when attached to a power tool. A power tool attachment is attachable to a power tool to cover a light source included in the power tool. The power tool attachment includes a light guide being a single member made of a transparent resin. The light guide includes a light receiver that receives light from the light source when the power tool attachment is attached to the power tool, and a light emitter that outputs the received light.

Abstract: A door handle includes a handle body with an interior cavity, the interior cavity having an opening. The door handle includes an at least semi-translucent cover to substantially enclose the opening and the interior cavity. The door handle includes a light-emitting diode. The light-emitting diode is configured to emit light out through an at least semi-translucent cover.

Abstract: A candle holder, comprising: a main body having a holder sized to fit a candle, and a series of openings and channels connected to the holder, wherein the openings and channels exit the main body at various locations throughout the main body.

Abstract: A burner for burning a hydrogen-containing fuel is equipped with a burner unit which comprises a fuel feed and a feed for a primary oxidant (oxygen) and which is accommodated in a feed for a secondary oxidant (air). A swirl device whose relative position with respect to the burner unit can be altered is provided in the feed for the secondary oxidant. The relative position of the burner unit and the swirl device may be controlled according to a composition of the fuel, in particular according to the water content thereof and the ratio of primary and secondary oxidant. The burner allows flexible adaptation of the burning to fuels of different composition, even during ongoing operation.

Abstract: The invention relates to a gas heater mixing device for a gas heater, comprising a mixing element for mixing gas and fuel gas, a gas line for supplying gas into a chamber of the mixing element, a fuel gas line for supplying fuel gas into the chamber and a moveable valve body, wherein the valve body is arrangeable between different positions for controlling the mixed gas flow that can flow through an outlet opening of the mixing element. The gas heater mixing device is characterized in that the valve body is formed such that the supply of fuel gas by means of the fuel gas line into the chamber depends on the position of the valve body in the chamber.

Abstract: A lighter case for holding a lighter is disclosed. The lighter case includes: a case body having a first end and a second end opposite the first end, the case body defining a first opening at the first end and a cavity for receiving and retaining the lighter therein, the cavity extending from the first opening toward the second end; and a wind guard slidably coupled to the case body, the wind guard being slidable axially relative to a length of the case body between a retracted position and an extended position, wherein the wind guard comprises a partial cylindrical guard wall defining a central interior space and wherein the guard wall defines an access opening for accessing the central interior space.

Abstract: A turbine engine that includes an engine core having at least a compressor section and a combustion section. The combustion section includes a combustor. The combustor section or combustor includes a fuel-air mixing assembly fluidly coupled to the compressor section. The fuel-air mixing assembly includes an outer wall, a center body at least partially circumscribed by the outer wall, and an annular flow passage between the outer wall and center body. At least one fuel orifice includes a fuel outlet fluidly coupled to the annular flow passage.

Abstract: The present teachings generally include improvements to gas turbines for increasing performance and/or efficiency thereof. In an aspect, a gas turbine system featuring a free turbine includes an injector structurally configured to supply liquid water between a last stage turbine rotor of the gas turbine and a last stage turbine rotor of the free turbine. In this manner, heat transferred from combustion gases to the liquid water may cause vaporization of the water. In turn, one or more of (i) a pressure increase from the vaporization of the water and (ii) an increase in mass flow rate across a free turbine rotor from the addition of the water into the system may increase power output of the free turbine. Thus, in some aspects, power output can be increased without the need for an increase in fuel consumption.

Abstract: A stand is provided for elevating a portable stove above a surface. The stand includes a plurality of legs. Each leg includes an outer link connected by a hinge. The outer link is thus movable to a position extending radially outward. Each leg also includes a foot coupled to the outer link.

Abstract: An electric fireplace (410) includes a fireplace housing (412) and a heater assembly (426) that is configured to generate heated air. The heater assembly (426) is configured to be installed substantially within the fireplace housing (412). The heater assembly (426) includes a heater body (445), a first grill cover (448) that is selectively couplable to the heater body (445), and a second grill cover (548) that is alternatively selectively couplable to the heater body (445). The first grill cover (448) has a first cover length (468), and the second grill cover (548) has a second cover length (568) that is different than the first cover length (468). The heater assembly (426) is selectively positionable within a cabinet (311) having a structural opening (311A), and a center shelf (360) that defines at least a portion of an upper side (311U) of the structural opening (311A). The heater assembly (426) is installed substantially adjacent to the center shelf (360).

Abstract: Provided is an electric oven including an oven body and an oven door used for opening and closing the oven body. Heating devices are arranged in an inner upper portion and an inner lower portion of the oven body, respectively. A heat-conducting plate is provided on top of the heating devices located on the lower portion. An outer wall of the oven body is detachably sleeved with a silicon rubber case, and concave-convex textures are arranged on the surface of the silicon rubber case. Supporting legs used for supporting the oven body are arranged at the outer bottom of the oven body. Through holes are configured in positions, corresponding to the supporting legs, on the silicon rubber case, and distal ends of the supporting legs, away from the oven body, pass through the silicon rubber case through the through holes.

Abstract: A computing device receives a request to render an optimized display of selected objects on a user interface. The computing device analyzes a layout associated with the selected objects by determining a category of each of the selected objects, a location of each category within the location, and an optimized route between each category. The computing device analyzes routes to the locations by determining least optimal times associated with each location, a time to arrive and complete the optimized route at each location, and an order to the locations to optimize arrival time at a time other than the least optimal times. The computing device renders an optimized display of the selected objects on the user interface with an optimized route to each location and an optimized display of the selected objects in an order corresponding the the optimized routes between each category within the location layouts.

Abstract: In a method for controlling a cooking device, during operation of the cooking device at least one monitoring data is obtained, with a dimension of the monitoring data including at least one of a surface temperature of a cooked object, a weight of the cooked object, or a chamber temperature of the cooking device. The monitoring data is inputted to a preset regression model to obtain a predicted internal temperature of the cooked object, with the preset regression model representing a correlation between an internal temperature of the cooked object and the monitoring data. An operating status of the cooking device is adjusted according to at least the predicted internal temperature of the cooked object.

Abstract: A cooking appliance light that can be placed in a recess in the wall of a cooking appliance, in particular an oven, steam cooker, or microwave.

Abstract: A microwave appliance has a vertical, a transverse, and a lateral direction. The microwave appliance includes a cabinet that defines a cooking chamber and a user interface panel positioned on the cabinet. The user interface panel includes a door release button and a display. The microwave appliance also includes a door that is configured to allow selective entry to the cooking chamber.

Abstract: A door assembly for a domestic appliance includes a support frame including at least one trim piece directed away from the receiving space along the transverse direction; a front glass panel selectively mounted to the support frame between the at least one trim piece and the receiving space, the front glass panel comprising a top edge; and a handle assembly attached to the at least one trim piece opposite the front glass panel. The handle assembly includes a pair of tabs protruding through the at least one trim piece toward the receiving space along the transverse direction. The pair of tabs engage the top edge of the front glass panel along the vertical direction.

Abstract: An operating mechanism for a sliding support of a cooking appliance having a cooking chamber which is closable by a cooking chamber door, the operating mechanism including: an overload protection device configured to protect the operating mechanism from being damaged by improper use of the cooking chamber door and/or of the sliding support, the overload protection device having a slip coupling having a first contact surface and a second contact surface which, in non-overload conditions, is force-transmittingly connected to the first contact surface, each contact surface including at least one of a friction surface and an interlocking engagement surface. The operating mechanism automatically operates the sliding support. A contact force between the first contact surface and the second contact surface is manually adjustable using an adjusting element of the overload protection device without any need to remove the operating mechanism from a remainder of the cooking appliance.

Abstract: A thermal system including a thermal source configured to heat a thermal transfer fluid, first piping configured to convey the heated thermal transfer fluid from the thermal source, and second piping configured to return at least a portion of the thermal transfer fluid to the thermal source to be reheated. The system includes a thermal battery comprising at least two thermal storage tanks, a hot water source, and a pumping loop connected between the thermal battery and the hot water source to circulate at least a portion of the thermal transfer fluid between the thermal battery and the hot water source. The pumping loop includes a reverse return piping configuration connected to the at least two thermal storage tanks. The first piping and the second piping are connected to the pumping loop and the first piping is configured to convey the heated thermal transfer fluid to the pumping loop.

Abstract: A hot water delivery system includes a water heater, a mixing valve that is coupled to the output of the water heater, and a plurality of loads that are coupled to the output of the mixing valve. A load set point temperature of each load that is representative of a maximum temperature of the hot water that is to be delivered to the respective load is set by a user. Responsive to detecting the occurrence of an event associated with a load of the plurality of loads, a controller of the water heater controls the mixing valve to adjust the temperature of the hot water from the water heater to the load set point temperature associated with the load, provided the load set point temperature of the load is different from a water heater set point temperature at which the water heater maintains the hot water therein.

Abstract: An indoor unit for an air conditioner including a centrifugal fan. The centrifugal fan includes a main plate connectable to a rotation shaft of a motor, a plurality of blades, with one respective end to be bonded to the main plate and arrangeable at equal intervals from each other along a circumferential direction, a shroud, to be bonded to another respective end of the plurality of blades, to face the main plate, and a bell mouth arrangeable inside the shroud. An annular member arrangeable on an outer circumferential portion of the bell mouth with an inlet portion at the gap between the shroud and the bell mouth. The annular member including an annular flat plate portion spaced apart from and face the inlet portion, and a protrusion formed on an outer circumferential portion of a surface of the annular flat plate portion facing the shroud and being curved.

Abstract: An air regulating device includes a casing assembly, an outdoor fresh air regulator, a fan assembly, and a heating assembly. The casing assembly includes a front casing having a first fresh air inlet and an air outlet, and a rear casing has a second fresh air inlet. The outdoor fresh air regulator includes a front damper gate coupled at the front casing to selectively open and close the first fresh air inlet, and a rear damper gate coupled at the rear casing to selectively open and close the second fresh air inlet. The fan assembly is arranged to suck outdoor fresh air from the second fresh air inlet to the air outlet. The heating assembly is disposed within the air tunnel for heating up the outdoor fresh air before entering into the indoor side at the air outlet.

Abstract: A method of use of a thermal battery HVAC system comprising receiving an HVAC input fluid. exchanging heat with the HVAC input fluid to generate a climate-controlled air output and a liquid refrigerant. receiving one or more fluid inputs with a fluid management assembly. storing a portion of the one or more fluid inputs in one or more fluid containers. sending a portion of the one or more fluid inputs out of the fluid management assembly as one or more fluid outputs. managing the one or more fluid inputs and the one or more fluid outputs with a controller application in a controller. assessing a fluid temperature and a fluid flow rate for a portion of the one or more fluid inputs and the one or more fluid outputs. and selectively sending the HVAC input fluid at an optimal temperature from the one or more fluid inputs.

Abstract: Space purification device according to the present disclosure includes hypochlorous acid water generator, mixing bath, hypochlorous acid water supply unit, water supply unit, humidifying purification unit, and control unit. Control unit is configured to, after a humidifying purification operation using the mixture water has finished, perform a first washing operation of causing water supply unit to supply water to electrolytic bath and of causing hypochlorous acid water supply unit to supply water stored in electrolytic bath to mixing bath, without performing the electrolyzing.

Abstract: An air purifier comprises a housing that comprises an intake opening for an inflow of air and an output opening for an outflow of air, a fan, a motor for rotating the fan, a sleeve configured to at least partially surround the fan and/or the motor, an air purifier unit, and a retainer assembly. The air purifier unit is mounted in the housing purifying air flowing through the housing and is operatively coupled to the sleeve. The retainer assembly is configured to retain the air purifier unit in the housing and with respect to the sleeve. The retainer assembly comprises a retainer and an actuator operatively associated with the retainer and the sleeve, wherein movement of the actuator from a first position to a second position moves the retainer to securely retain the air purifier unit in the housing.

Abstract: An air-conditioning apparatus includes a heat source side unit including a compressor, a load side unit including a load side heat exchanger, a fan provided in the load side unit, an air direction adjuster that is provided in the load side unit and that adjusts an air direction, and a controller that controls the compressor, the fan, and the air direction adjuster. The controller determines whether an air-conditioned space is being ventilated and executes, in a case where the air-conditioned space is being ventilated, a fixed-swing mode in which a swing operation in which the air direction is changed over time by controlling the air direction adjuster is forcefully performed. At a time when the fixed-swing mode is to be entered, the controller activates the compressor when the compressor is stopped and continues operation of the compressor when the compressor is operating.

Abstract: HVAC load can be shifted to change indoor temperature. A time series change in HVAC load data is used as input modified scenario values that represent an HVAC load shape. The HVAC load shape is selected to meet desired energy savings goals, such as reducing or flattening peak energy consumption load to reduce peak energy consumption load. Time series change in indoor temperature data can be calculated using only inputs of time series change in the time series HVAC load data combined with thermal mass, thermal conductivity, and HVAC efficiency. The approach is applicable for both winter and summer and can be applied when the building has an on-site renewable power system.

Abstract: Systems, methods, and apparatus are described herein for enabling performance of maintenance tasks on one or more load control devices in a load control system. An indication of maintenance task may be received, from a cloud server, at a local controller configured to control the one or more load control devices in one or more rooms of a building. The local controller may identify triggering criteria for triggering a performance of the maintenance task on one or more load control devices in the one or more rooms of the building. The local controller may determine that the triggering criteria of the at least one rule has been met and perform the maintenance task on the one or more load control devices in the one or more rooms of the building.

Abstract: Systems/methods for intelligent commissioning of an HVAC system provide a control node and at least a first network node coupled to communicate with the control node, the first network node configured to retrieve via a user interface objects configured at the control node, configure at least a second network node using the retrieved objects, and report the configuration of the second network node at the control node. A user interface of a first network node can access the objects at the control node. The first network node can apply the accessed objects to configure a second network node using a commissioning tool. The commissioning tool can be activated specifically for certain authorized HVAC personas or roles. The first network node can report the configuring at the control node. The commissioning tool can be voice-enabled to allow a single user to configure the HVAC system via voice commands.

Abstract: A room unit for an HVAC system includes an electric connection device that electrically connects the room unit to the HVAC system. The room unit further includes a controller and a short-range wireless communication module, which enables wireless communication with a mobile device to exchange data between the mobile device and the HVAC system or vice versa. A method for exchanging data between the mobile device and the HVAC system via the room unit includes establishing a short-range wireless communication connection between the mobile device and the room unit, relaying data to and from the HVAC system via the electric connection device and relaying data to and from the mobile device via the short range wireless communication module.

Abstract: An indoor gas exchange system configured between an outdoor space and an indoor space includes one or more outdoor air pollution detectors, a plurality of indoor air pollution detectors, a gas exchange device, a filtering component, and a central processing controller. The gas exchange device is manufactured by a plurality of gas-guiding units integrated as a thin member through semiconductor manufacturing processes. The gas exchange device is configured between the outdoor space and the indoor space to provide gas exchange for the indoor gas. The central processing controller performs an intelligent computation to control the gas exchange device to be opened or closed and to determine whether the outdoor gas is to be introduced into the indoor space or the indoor gas is to be discharged to the outdoor space, so that the indoor gas in the indoor space is exchanged and cleaned to a safe and breathable state.

Abstract: A vehicle air conditioning device includes a temperature adjustment unit configured to adjust a temperature of air taken in and a control unit configured to control the temperature adjustment unit. The control unit is configured to acquire a medium reference temperature of the temperature adjustment unit, set a difference between the medium reference temperature and a correction value as a set temperature of the temperature adjustment unit and increase the correction value as the temperature of air taken in increases, and decrease the correction value as the temperature of air taken in decreases.

Abstract: A system for detecting and cleaning indoor air pollution adapted to be utilized in an indoor space with an HVAC system includes one or more outdoor gas detection devices, a plurality of channels, a plurality of indoor gas detection devices, a plurality of physical-typed or chemical-typed filtering devices, and a control central processor. The blower of the filtering device receives a control command so as to be driven and to generate an air convection which is directed. Therefore, the air pollution is filtered by the filtering component to allow the indoor air pollution data to approach to almost zero, so that a gas in the indoor space is cleaned to a safe and breathable state.

Abstract: A method for controlling an ice storage air-conditioning system includes: adjusting parameters of the ice storage air-conditioning system in a current cooling mode or when switching a cooling mode based on an outlet temperature of a plate heat exchanger of the ice storage air-conditioning system; and controlling the ice storage air-conditioning system to perform a cooling operation based on the parameters of the ice storage air-conditioning system.

Abstract: Systems and methods of operating a two-pipe fan coil unit include, controlling the flow control valve and the fan using a controller, wherein the controller includes a heating control mode and a cooling control mode. The controller changes a position of the flow control valve from a first position to a second position, activates the fan to blow air across the heat exchanger coil and into the space of the building, and monitors a space temperature of the space. When the space temperature is determined to be increasing, the controller may determine that the building is in the building heating mode and sets the controller to the heating control mode, and when the space temperature is determined to be decreasing, the controller may determine that the building is in the building cooling mode and sets the controller to the cooling control mode.

Abstract: An energy efficient heat pump for a heating, ventilation, and air conditioning (HVAC) system includes a working fluid circuit and a first conduit of the working fluid circuit, where the first conduit extends between a first heat exchanger and a second heat exchanger of the working fluid circuit. The energy efficient heat pump also includes a compressor disposed along the working fluid circuit, where the compressor is configured to direct a working fluid along the working fluid circuit, and the compressor includes a suction port and an injection port. The energy efficient heat pump further includes an injection conduit extending from the first conduit to the injection port of the compressor, where the injection conduit includes an expansion device, and the injection conduit is configured to direct a portion of the working fluid from the working fluid circuit, through the expansion device, and to the injection port.

Abstract: An air-conditioner is provided with a refrigerant circuit and an indoor fan. The refrigerant circuit has a compressor, a first four-way valve, an outdoor heat exchanger, a first expansion valve, a second four-way valve, a third four-way valve, an indoor heat exchanger, and a second expansion valve. The indoor heat exchanger has a first heat exchange portion and a second heat exchange portion. During a cooling operation, in the first heat exchange portion and the second heat exchange portion, a flow of refrigerant with respect to a flow of air sent by the indoor fan is a parallel flow. In a reheating dehumidification operation, in the first heat exchange portion, the flow of refrigerant with respect to the flow of air is the parallel flow, and in the second heat exchange portion, the flow of refrigerant with respect to the flow of air is a counterflow.

Abstract: An air mixing system for a heating, ventilation, and air conditioning (HVAC) system includes a conduit configured to receive a first airflow and a second airflow and to discharge the first airflow and the second airflow as a mixed airflow via an outlet of the conduit. The air mixing system also includes a thermal wheel disposed within the conduit. The thermal wheel is configured to direct the first airflow and the second airflow thereacross, rotate within the conduit, and transfer heat between the first airflow and the second airflow.

Abstract: Disclosed herein are embodiments of a duct support assembly. The duct support assembly can include a frame structure and a duct support. The duct support can be configured to be installed in a floor assembly between a first beam portion of a first wall frame and a second beam portion of a second wall frame and to provide a duct exit from the frame structure. The duct support can be configured to transfer a tension and/or compression load. Also disclosed herein are embodiments of a method of using a duct support to provide a duct exit from a frame structure. The method can include positioning the duct support in a floor assembly between a first beam portion of a first wall frame and a second beam portion of a second wall frame.

Abstract: An air purifier includes a body and a control module. The body is provided with a case, a case door arranged on the case and a door lock; the case is provided with at least one filter, at least one ultraviolet lamp and at least one controller capable of being operated; the door lock includes a magnetic reed switch and a lock matched with the magnetic reed switch; the lock is provided with a lock tongue and a magnet forming a magnetic attraction relationship with the magnetic reed switch; and the lock is provided with a first state, in which the magnet is released from the magnetic attraction relationship when the lock tongue is rotated to a specific angle, and a second state when the magnetic attraction relationship of the magnet is not destroyed.

Abstract: A heat pump includes a housing, a housing opening that is provided in the housing and is in the form of a water drain, at least one heat-pump component that is elastically mounted in the housing, and a transport securing device for fixing the elastically mounted heat-pump component while the housing is being transported. The transport securing device is configured to close the housing opening with the fixing of the elastically mounted heat-pump component released.

Abstract: A heat exchanger and method of operating a heat exchanger provides a compact and scalable device for pasteurizing or sterilization a liquid. The heat exchanger includes a container and a tube that extends from an opening in the container to the interior volume of the container. The Heat exchanger also includes a liquid level sensor, a temperature sensor, and one or more flow elements, such as a pump or a valve. A controller is programmed to operate the heat exchanger in a manner that provides pasteurized or sterilized liquids from the heat exchanger.

Abstract: The present invention relates to a hot water supply tank. A hot water supply tank, according to an embodiment of the present invention, comprises: a storage part which accommodates a fluid therein; an internal water outlet pipe through which a fluid flows from the storage part toward a heat pump; an internal water supply pipe through which the fluid flows from the heat pump toward the storage part; and an internal pipe which is disposed inside the storage part, wherein the internal pipe includes: a connection pipe which is connected to the internal water supply pipe, and at least a part of which is flexible; and a discharge pipe which has one end connected to the connection pipe and extending long, wherein a pipe through hole passing through the discharge pipe may be formed at the other end of the discharge pipe. Various other embodiments are possible.