Abstract: A system for improving fuel-air mixing inside an injection system of a turbomachine combustion chamber. An air intake ring has an annular deflection wall, or venturi, having an internal profile provided with a discontinuity inducing an increase in the radius (?) of the internal profile downstream of the discontinuity. A method of atomizing fuel includes separating fuel trickling over the internal profile of the annular deflection wall from the internal profile at the level of the discontinuity so as to form droplets within a flow of air coming from an upstream air circulation space of the air intake ring.

Abstract: A fuel injector for injecting alternate fuels having a different energy density in a gas turbine is provided. A first fuel supply channel (18) may be fluidly coupled to a radial passage (22) in a plurality of vanes (20) that branches into passages (24) (e.g., axial passages) to inject a first fuel without jet in cross-flow injection. This may be effective to reduce flashback in fuels having a relatively high flame speed. A mixer (30) with lobes (32) for injection of a second fuel may be arranged at the downstream end of a fuel delivery tube (12). A fuel-routing structure (38) may be configured to route the second fuel within a respective lobe so that fuel injection of the second fuel takes place radially outwardly relative to a central region of the mixer. This may be conducive to an improved (e.g., a relatively more uniform) mixing of air and fuel.

Abstract: A method of accessing a nozzle tip assembly of a gas turbine engine fuel nozzle is disclosed. The fuel nozzle has a stem and a heat shield enclosing at least part of the stem. The nozzle tip assembly is disposed within an inner cavity of the stem. The method includes forming an opening in at least the heat shield of the fuel nozzle, the opening providing access to the inner cavity of the stem via a first end thereof. The first end of the cavity is positioned opposite to a fuel nozzle exit from which fuel is conveyed from the fuel nozzle. The method includes accessing the nozzle tip assembly in the inner cavity via the opening. The method includes closing the opening after accessing the nozzle tip assembly.

Abstract: A premix pilot nozzle is disclosed herein. The premix pilot nozzle includes a nozzle body. The nozzle body includes a forward wall, an aft wall, an outer band that extends between the forward wall and the aft wall and a tip portion that extends axially downstream from the aft wall. The nozzle body further defines a fuel inlet plenum that extends coaxially within the nozzle body, a fuel distribution plenum that is defined within the nozzle body radially outwardly from and in fluid communication with the fuel inlet plenum, a plurality of premix passages that extend helically around the fuel inlet plenum within the fuel distribution plenum and a plurality of air passages annularly arranged around the plurality of premix passages. One or more premix passages of the plurality of premix passages are in fluid communication with the fuel distribution plenum.

Abstract: A premix pilot nozzle and fuel nozzle assembly are disclosed herein. The premix pilot nozzle includes a nozzle body having a forward wall axially spaced from an aft wall and an outer band that extends axially between the forward wall and the aft wall. An air tube extends coaxially within the nozzle body and defines a cooling air plenum within the nozzle body. A fuel tube extends coaxially within the nozzle body and circumferentially surrounds the air tube so as to define a fuel inlet plenum therebetween. A fuel distribution plenum is defined within the nozzle body and is in fluid communication with the fuel inlet plenum. The nozzle body further includes a plurality of premix tubes. Each premix tube extends helically around the fuel tube within the fuel distribution plenum. One or more of the premix tubes is in fluid communication with the fuel distribution plenum.

Abstract: The described reverse flow combustor of a gas turbine engine includes inner and outer combustor liners defining a combustor chamber therewithin. A large exit duct and a small exit duct are disposed at downstream ends of the outer and inner liner respectively. The small exit duct includes an annular ring removably mounted to a support element of the gas turbine engine and includes a plurality of cooling elements integrally formed with the annular ring and projecting therefrom into impingement airflow. The cooling elements increase the effective surface area of the inner surface of the annular ring, which is adapted to be cooled by the impingement airflow.

Abstract: The described reverse flow combustor of a gas turbine engine includes inner and outer combustor liners defining a combustor chamber therewithin. A large exit duct and a small exit duct are disposed at downstream ends of the outer and inner liner respectively. The small exit duct includes an annular ring removably mounted to a support element of the gas turbine engine by one or more fastening elements that are integrally formed with the annular ring. The fastening elements are mountable with corresponding features of the support element and removably fastened thereto.

Abstract: A burner for burning fuels and modular heat utilizing appliances therefor. The burner includes a fuel holder, an outer wall surrounding the fuel holder and defining a combustion chamber, and optionally, a second wall surrounding the outer wall. Air is inducted from an inlet which may be an ash pan pivotally coupled to the outer wall at the bottom to open the combustion chamber. Supplementary combustion air is conducted to just above the fuel holder by the outer wall. Additional supplementary combustion air is conducted to just above the fuel holder by the second wall. The burner may include a pivotally mounted cooking grate and a pivotally mounted solid cover for closing the combustion chamber, and supporting legs. Modules individually yet replaceably attachable to the burner include a closed or open cooker, a smoker, a space heater, and a pyrolyzer.

Abstract: In a method for carrying out a cleaning procedure for a cooking appliance, a first tank of the cooking appliance is filled by a user with water. A first portion of water in the first tank is moved into a buffer store and then moved from the buffer store into a cooking chamber to provide a first treatment agent therein. The first treatment agent remains in the cooking chamber for a first time period. A second portion of water in the first tank is moved into the buffer store and the first treatment agent is moved into the first tank. The second portion of water in the buffer store is into the cooking chamber to provide a second treatment agent in the cooking chamber. The second treatment agent remains in the cooking chamber for a second time period and the second treatment agent is then moved into the first tank.

Abstract: Provided is a cooking top including a main body including a heating unit, and an air curtain device that generates an air curtain flow that blocks diffusion of air flow generated by the heating unit. The air curtain device may include an intake port formed at the main body, an exhaust port that extends laterally along an upper portion of the main body, a flow guide that extends from the intake port to the exhaust port, a drive unit installed inside the flow guide to generate airflow, and an airflow control device rotatably mounted at the main body to open and close the exhaust port and configured to operate the drive unit when the airflow control device is rotated to open the exhaust port so as to generate the air curtain flow.

Abstract: A furnace includes a pump in a circuit through a heat exchanger and a manifold having a plurality of discharge openings in a first area and return openings in a second area connected by a transfer area with each discharge and return feeding a respective heat loop. A bypass in the circuit includes a temperature controlled protection valve connected between the bypass and the manifold. The heated liquid inlet of the manifold is connected to the manifold in the first area with the plurality of discharge openings at a position between the plurality of discharge openings and the plurality of return openings. The manifold is defined by a rectangular chamber divided longitudinally and diagonally by a transverse wall which terminates at one end at a position spaced from an adjacent end of the chamber to define an undivided portion of the chamber at the end which forms the transfer area.

Abstract: A hot water supply apparatus of the present invention includes: a direct water inlet pipe into which direct water is introduced; a heat exchanger for heating direct water introduced through the direct water inlet pipe with combustion heat of a burner; a hot water supply pipe for discharging the hot water heated in the heat exchanger; a bypass pipe connected between the direct water inlet pipe and the hot water supply pipe so as to mix a part of the direct water introduced through the direct water inlet pipe with the hot water discharged through the hot water supply pipe; and a pressure reducing valve provided on the bypass pipe and configured to reduce the pressure of water passing through the inside of the bypass pipe to supply the water to the hot water supply pipe when hot water is supplied.

Abstract: One aspect of this disclosure provides a packaged air conditioning & heating (PACH) system that comprises a housing, an air cooling system contained within the housing and an air heating system contained within the housing. A first utility access point is located on a first side of the housing and a second utility access point is located on a second side of the housing. The first and second utility access points provide multiple utility access connectivity for the air cooling and heating systems.

Abstract: An outdoor unit includes a housing including a side panel, a terminal block accommodated in the housing, and a power supply wire connected to the terminal block. The side panel includes an outer shell surface forming a part of an outer surface of the housing, a first recessed surface recessed from the outer shell surface in an inward direction of the housing, and a second recessed surface formed in the first recessed surface and recessed from the first recessed surface in the inward direction of the housing. The power supply wire is arranged on the second recessed surface.

Abstract: An air-conditioning device includes a plurality of duct modules and a power module. The duct modules each have a temperature-adjusting unit, an air flow-guiding unit and an energy transmission module. The temperature-adjusting unit is disposed at the second end of the duct module, and has opposing first and second side surfaces. The air flow-guiding unit is disposed at the duct module. The energy transmission module is disposed between the temperature-adjusting unit and the air flow-guiding unit. The power module provides operational power for the duct modules. The air flow-guiding unit guides air flow to enter from the first end of the duct modules. The energy transmission strength of the air flow is enhanced from the energy transmission module. The air flow passes through the first or second side surface of the temperature-adjusting unit, and exists from the second end of the duct modules.

Abstract: A falling film of liquid desiccant in direct contact with a gas stream is formed, which allows water vapor transfer between a gas stream (air) and the desiccant, enabling dehumidification and/or humidification of air. Thin films are created in one way by a wettable layer that is in contact with a support structure and in another way directly on the support structure. The devices can be installed on an absorber (conditioner) side or a desorber (regenerator) side or both of air conditioning systems; for example, liquid desiccant air conditioning (LDAC) applications.

Abstract: A split air conditioner has a cabinet with a fan and evaporator for mounting within a structure. The cabinet includes one or more movable dampers or movable filters positioned in the flow path between the air inlet and the outlet for selectively filtering contaminants from the air to provide a greater or lesser degree of filtration of the air. The movable filters include sliding and/or pivot mounting structure which may accommodate stacking multiple filters with different filtering characteristics. The system may operate in a filtering only mode with no cooling, a cooling only mode with no filtering, or a combination of cooling and selective filtering.

Abstract: A micro-climate control system includes a thermoelectric system integrated with a fan assembly. The thermoelectric system is operable to actively cool or heat air as the air passes through the fan assembly. The thermoelectric system includes a thermoelectric heat pump, a heat reject subsystem, and a heat accept subsystem. The fan assembly is operable to draw air from a space to be conditioned and output conditioned air passed through one of the heat reject subsystem and the heat accept subsystem to the space to be conditioned and output air passed through the other away from the space to be conditioned. In this way, the micro-climate control system may provide localized comfort, while allowing a larger climate control system to maintain a more efficient temperature set point. In this way, the overall energy consumption may be reduced while providing the same level of effective comfort.

Abstract: A convertible humidifier that includes a base portion that produces mist, a control panel that controls the production of the mist by the base portion, a reservoir, detachably connectable to the base portion, which holds water to be used by the base portion to produce the mist, and a nozzle configured to direct the mist. The reservoir includes a pass-through connection that allows the mist produced by the base portion to be directed to an opening on a top surface of the reservoir. The nozzle is detachably connected to the opening on the top surface in a first operation mode, and the nozzle is detachably connected to an extending portion, which is detachably connected to the opening on the top surface, in a second operation mode.

Abstract: An apparatus and method for providing selective fan or vent cooling are disclosed. An example embodiment includes: a return plenum box having a return box opening, a fan opening, and a return duct opening; a fan coupled to the fan opening; a controller coupled to the plenum box; and an adjustable damper coupled to a hinge point of the return plenum box, the damper being adjustable between a closed position, which blocks the fan opening and an open position that blocks the return duct opening.

Abstract: A system and method for providing a substantially constant volume exhaust or ventilation air terminal system is shown for controlling exhaust and/or return airflow rates in a system having a central fan or ventilator. The system and method permits zone-by-zone or area-by-area airflow regulation or control in non-demand areas in response to a demand or call for ventilation in demand areas. In one embodiment, the system employs at least one constant airflow controller or regulator situated in a damper. In one embodiment, a terminal houses a plurality of sub-ducts each having an airflow regulator. At least one of the sub-ducts has a damper. When the damper is open, a maximum airflow through the terminal is a sum of maximum airflow permitted by the regulators.

Abstract: An air conditioner and a communication method for an air conditioner are provided. The air conditioner may include an outdoor unit; an indoor unit; and a central controller connected to the indoor unit through a communication line. The indoor unit may perform periodic communication for transmitting a plurality of periodic packets to at least one of the outdoor unit or the central controller at predetermined periods, and change and transmit the plurality oaf periodic packets so as to decrease a load on the communication line.

Abstract: A thermostat may include one or more memory devices comprising a stored setpoint schedule, one or more temperature sensors configured to provide temperature sensor measurements, and a processing system configured to be in operative communication the one or more memory devices to determine a setpoint temperature, and in still further operative communication with a heating, ventilation, and air conditioning (HVAC) system to control the HVAC system based at least in part on the setpoint temperature and the temperature sensor measurements. The processing system may be configured to control the HVAC system by receiving an indication that a total instantaneous energy usage rate for a structure in which the thermostat is installed is projected to exceed a threshold amount; and altering the stored setpoint schedule to reduce an energy usage rate of the HVAC system.

Abstract: An air conditioner includes an indoor unit installed on an indoor side, an outdoor unit installed on an outdoor side, a human detector that detects a person in a room, and a remote controller that performs radio communication with the indoor unit, and the air conditioner conditions the indoor air. The indoor unit includes an indoor unit control section that controls the indoor unit, a diagnostic section that diagnoses whether an operating state of the human detector is normal or abnormal, and a communication section that performs radio communication with the remote controller. The human detector includes a plurality of infrared sensors, a rotary table that supports each of the infrared sensors, and a human detector control section that controls the human detector. The diagnostic section diagnoses whether the operating state of the human detector is normal or abnormal by comparing the detected results between the respective infrared sensors on receiving a trigger signal transmitted from the remote controller.

Abstract: An integrated system and process provides integrated control of the environment within a personal space. A tent or other structure suitable for forming a personal space, is in contact with, and may enclose, a user station. The system includes a control system, main controller, control modules, sensors, environmental units and other controllers that operate in an integrated fashion to provide a controlled environment within the personal space. The tent may enclose all or portions of the control system, main controller, control modules, sensors, environmental units and other controllers. Portions of the control system, main controller, control modules, sensors, environmental units and other controllers may reside outside tent. A process for providing environmental control of the personal space includes learning capabilities.

Abstract: An operation management apparatus includes: a refrigerant return temperature prediction unit that predicts a temperature Tr of a refrigerant returning from an air conditioner to a heat source system; a heat storage capacity estimation unit that estimates a heat storage capacity of the heat source system, based on the predicted refrigerant return temperature Tr; and an operation plan unit that creates a plan based on the estimated heat storage capacity. The heat source system includes: a storage tank that supplies the refrigerant to the air conditioner; a refrigerant generation unit that cools the refrigerant returning from the air conditioner via the storage tank, and supplies it to the storage tank; a refrigerant feed temperature detection unit that measures a temperature of the refrigerant from the refrigerant generation unit; and a refrigerant return temperature detection unit that measures a temperature of the refrigerant returning from the storage tank.

Abstract: An air duct is described herein. The air duct includes a duct housing having a first end and a second end and at least one vent disposed between the first end and the second end. The air duct also includes a plurality of dividers disposed between the first end and the second end and a plurality of channels. The plurality of channels are disposed between the first end and the second end and are derived from the plurality of dividers. The plurality of channels are to cool a first component and a second component of a computing device, wherein the duct housing is to encompass the first component and the second component. The duct housing is positioned with the first component located upstream of an air flow and the second component disposed downstream of the air flow.

Abstract: A condensate collection tank (1) for an air conditioning system is provided. The tank (1) comprises a body (20) for storing condensate liquid, a lid (10) releasably connectable to the body (20) to form the tank (1) and a mounting bracket (112) for fixing the lid (10) to a mounting surface. The tank (1) further includes an inlet port (50, 90) for condensate liquid from the air conditioning system, an outlet port (40, 80) for condensate liquid from the tank (1), a sensor (104) for determining whether an amount of condensate liquid in the tank (1) exceeds a threshold value, and a controller for controlling removal of the condensate liquid from the tank (1) via the outlet port (40, 80) when the sensor (104) determines that the threshold value has been exceeded.

Abstract: The invention pertains to a filter retaining assembly which is rigid and self-supportive without requiring any additional structural reinforcement. The design maximizes the filter surface to be used for air filtration and increases the filtration efficiency. The invention is also designed to minimize the filter assembly size to fit into the valuable space when the air handling unit physical dimension is constrained. The invention uses integral construction methods to save assembly time and labor by eliminating the need of using alignment holes and fastening each individual frame to construct a conventional filter retaining assembly. The proposed method maintains flexibility of scaling to any filter size and quantity.

Abstract: A mounting assembly for mounting a wall mounted air conditioner (AC) unit on a railway instrument house is provided. The mounting assembly may include a house wall including an outer metal shell layer, a middle insulation layer and an inner plywood layer. The mounting assembly may further include a threaded part coupled to the outer metal shell layer. The threaded part is configured to receive an AC mounting hardware of the wall mounted air conditioner (AC) unit to secure the wall mounted air conditioner (AC) unit to the house wall such that the threaded part enables the wall mounted air conditioner (AC) unit to be installed or removed from outside of the railway instrument house. The mounting assembly may further include an AC unit cage for protecting the wall mounted air conditioner (AC) unit. The AC unit cage has at least two side doors and a front door such that each side door of the at least two side doors is locked within the front door by corresponding bolts or a quick lock.

Abstract: A heating system may include at least two different types of heating elements. The heating elements may include at least one infrared heating element and at least one halogen lamp. The heating elements may be positioned within a heating section of a duct through which air flows to be heated by the heating elements, which air flow may be driven by a fan. The heating system may be incorporated into a variety of heating devices, such as electric fireplaces and space heaters.

Abstract: A pressure compensation and mixing device for a fluid heater has a mixing unit and a pressure compensation unit. The mixing unit is configured to mix a fluid guided in the mixing unit. The pressure compensation unit is configured to restrict pressure rising in the fluid. The mixing unit and the pressure compensation unit are integrated in a container unit. A bottom side of the container unit is closed by a bottom portion on which at least one connection is located via which the fluid may be discharged.

Abstract: A draft inducer blower assembly for use with a water heater has a housing, a motor, and a fan. The housing has an exhaust volute surrounding the fan and a base adapted to be mounted atop a water heater. The base has an inlet port adapted to receive exhaust gas from the water heater. The fan is connected to the motor for rotation about a rotation axis. The exhaust volute and the base are non-adjustably fixed relative to each other. The exhaust volute has a cut-off at a cut-off angle relative to the rotation axis. The cut-off angle extends at an angle that is no more than twenty degrees positive from horizontal. The exhaust volute has an exhaust outlet passageway that extends to an exhaust port. The exhaust outlet passageway extends beneath the cut-off before reaching the exhaust port.

Abstract: A draft inducer blower assembly for use with a water heater has a housing, a motor, and a fan. The housing has an exhaust volute surrounding the fan and a base adapted to be mounted atop a water heater. The base has an inlet port adapted to receive exhaust gas from the water heater. The fan is connected to the motor for rotation about a rotation axis. The exhaust volute and the base are non-adjustably fixed relative to each other. The exhaust volute has a cut-off at a cut-off angle relative to the rotation axis. The exhaust volute has an exhaust outlet passageway that extends to an exhaust port. The exhaust port is lower than the top of the exhaust volute.

Abstract: A draft inducer blower assembly for use with a water heater has a housing, a motor, and a fan. The housing has an exhaust volute surrounding the fan and a base adapted to be mounted atop a water heater. The base has an inlet port adapted to receive exhaust gas from the water heater. The fan is connected to the motor for rotation about a rotation axis. The exhaust volute has a cut-off at a cut-off angle relative to the rotation axis. The exhaust volute has an exhaust outlet passageway that extends to an exhaust port. The exhaust port is lower than the top of the exhaust volute.

Abstract: A stove for indoor use includes a housing having a bottom wall, a top wall and one or more side walls defining a combustion chamber adapted to retain a fire, and an air supply system for supplying air to the combustion chamber. The air supply system includes a primary air conduit for supplying air to the combustion chamber from below through the bottom wall and a secondary air conduit for supplying air to the combustion chamber from above. A valve is arranged in the primary air conduit or in a branching between the primary and secondary air conduits. The valve is controlled by a bimetal whereby the valve is in a maximum open position when the prevailing temperature is below a first predetermined temperature during start-up of a fire and in a maximum closed position when the prevailing temperature is above a second predetermined temperature after start-up of the fire.

Abstract: One or more techniques and/or systems are disclosed for a portable heater that may be used in an area used for human occupancy, to provide heat to that area. Such a heater can be portable, and comprise an environmental detector that senses ambient air conditions, and may provide data used to shut down the heater in threshold conditions. In one implementation, a portable heater for use in high altitudes can comprise a housing configured for portability, in which a combustion region and a fuel supply component are disposed. The heater can comprise an environmental detector with a flameless sensor configured to detect an ambient level of a constituent of the atmosphere, and generate a signal indicative of the constituent level; and a sensor interface that can control flow of fuel from the fuel supply, based at least upon a signal received from the sensor.

Abstract: One or more techniques and/or systems are disclosed for a vent-free heater that may be installed in an area used for human occupancy, to provide heat to that area. Such a heater can comprise an environmental detector that senses ambient air conditions, and may provide data used to shut down the heater in predetermined threshold condition. In one implementation, a vent-free heater for installation in high altitudes can comprise a combustion region and a fuel supply component. The heater can comprise an environmental detector with a flameless sensor configured to detect an ambient level of a constituent of the atmosphere and generate a signal indicative of the constituent level; and a sensor interface that can control flow of fuel from the fuel supply, based at least upon a signal received from the sensor.

Abstract: A solar thermal collector and an accessory structure of a building are provided. The solar thermal collector includes at least one heat absorbing plate and at least one heat insulating plate. Each of the heat absorbing plate includes at least one first slab and first engaging parts connected with the first slab. Each of the heat insulating plate includes at least one second slab and second engaging parts connected with the second slab. The first engaging parts are respectively engaged with the second engaging parts, and a gap is maintained between the first slab and the second slab to define a heat collecting channel, through which a heat transfer medium flows between the heat absorbing plate and the heat insulating plate. A heat conductivity of the heat absorbing plate is at least 30 times greater than a heat conductivity of the heat insulating plate.

Abstract: The present disclosure is directed to a solar receiver having improved heliostat field control. The solar receiver includes a plurality of receiver panels arranged adjacent to one another. Each receiver panel includes a plurality of receiver tubes aligned tangentially to one another. Further, each of the plurality of receiver tubes includes an inlet and an outlet. In addition, at least one of the inlets or outlets of the plurality of receiver tubes are arranged at a center of the receiver panel along a height thereof.

Abstract: A CSP system including a reflector and a receiver for concentrating the solar radiation incident on the reflector onto the receiver, comprising a shadow blind and a shadow receiver as well as a colour and/or brightness digitizing sensor arranged to detect the shadow of the shadow blind on the shadow receiver in order to determine a deviation of the actual shadow position from a target shadow position, a tracking means configured to adapt the position of the reflector and the receiver according to the deviation.

Abstract: A cryogenic refrigerator includes a compressor for installation on a stationary component, an expander for installation on a rotating component, and a rotary joint fluidly coupling the compressor with the expander. The rotary joint includes: a rotor fixed to the rotating component and coaxial with its rotational axis; a stator disposed adjacent to the rotor to form a clearance between the rotor and the stator, and fixed to the stationary component; a first high-pressure flowpath and a second high-pressure flowpath, extending between the rotor and stator through the clearance, and a working-gas sealing area dividing the clearance into a first high-pressure section communicating with the first high-pressure flowpath, and into a second high-pressure section communicating with the second high-pressure flowpath.

Abstract: An air-conditioning apparatus includes a fan configured to deliver air toward the outdoor heat exchanger, a power unit configured to supply electric power to the fan, a fan input detector configured to detect a physical value related to the electric power supplied to the fan, and a controller configured to control the four-way valve to switch between a first operation in which the outdoor heat exchanger functions as an evaporator and a second operation in which the outdoor heat exchanger functions as a condenser. The first operation is switched to the second operation when the physical value detected by the fan input detector is equal to or larger than a reference value. The controller adjusts the reference value so that the reference value when refrigerant flowing through the outdoor heat exchanger has a high temperature is smaller than the reference value when the refrigerant has a low temperature.

Abstract: The invention is for an apparatus and method for a refrigerator and a heat pump based on the magnetocaloric effect (MCE) offering a simpler, lighter, robust, more compact, environmentally compatible, and energy efficient alternative to traditional vapor-compression devices. The subject magnetocaloric apparatus alternately exposes a suitable magnetocaloric material to strong and weak magnetic field while switching heat to and from the material by a mechanical commutator comprising heat pipe elements. The invention may be practiced with multiple magnetocaloric stages to attain large differences in temperature. Key applications include thermal management of electronics, as well as industrial and home refrigeration, heating, and air conditioning. The invention offers a simpler, lighter, compact, and robust apparatus compared to magnetocaloric devices of prior art. Furthermore, the invention may be run in reverse as a thermodynamic engine, receiving low-level heat and producing mechanical energy.

Abstract: A vapor compression refrigeration system having an air dehumidifying system and a heat transfer system. The dehumidifying system has a refrigerant circuit and an air circulating system transporting air from an enclosed space at least partly through the refrigerant circuit and back to the enclosed space. The refrigerant circuit carries a phase change refrigerant which picks up heat from the air passing through the air circulating system. The heat transfer system carries a fluid that will not freeze below the ambient temperature. A heat exchanger connects the refrigerant circuit to the heat transfer system to pass heat from the phase change refrigerant in the refrigerant circuit to the fluid in the heat transfer system. At least one heat removal unit in the heat transfer system to remove heat from the fluid.

Abstract: A refrigeration appliance has an inner container, which separates at least one storage compartment for refrigerated goods and an evaporator assembly from a surrounding heat insulation layer. A mounting element contains a base plate resting against a wall of the inner container and opposing a broad side of the evaporator assembly and retaining webs which project from the base plate and engage in a form-fit manner in two narrow sides of the evaporator assembly.

Abstract: An air conditioning and water producing system includes a heat pumping unit and a membrane contactor in thermal communication with the heat pumping unit. The membrane contactor is configured such that a first brine flow is cooled by the heat pumping unit and diluted at the membrane contactor. A distiller is in thermal communication with the heat pumping unit and the membrane contactor such that a second brine flow is heated by the heat pumping unit and conveyed through the distiller. Thermal interaction between the second brine flow and the first brine flow flowing through the distiller extracts water from the second brine flow.

Abstract: A refrigeration system for a temperature-controlled storage device includes a refrigeration circuit that circulates a refrigerant, a separate cooling circuit that circulates a coolant, and a controller. The refrigeration circuit includes a compressor, a condenser, an expansion device, and an evaporator. The cooling circuit includes a pump, a control valve, and a heat removing device in fluid communication with the condenser via the coolant. The controller is operatively coupled to the control valve and configured to identify a coolant temperature differential setpoint, monitor a temperature of the coolant provided to the condenser by the cooling circuit, calculate a coolant temperature differential based on the temperature of the coolant provided to the condenser, and operate the control valve to modulate a flow of the coolant through the condenser to drive the coolant temperature differential to the coolant temperature differential setpoint.

Abstract: An ice cube producing unit comprising an ice cube tray having at least two ice cube compartments, a lid which is suitable for being mounted on the tray to seal water or other liquid inside said at least two ice cube compartments. Said ice cube producing unit further comprises a displacing arrangement connecting the tray and the lid and having two positions: a first position where the lid is held in a position where it abuts the ice cube tray to seal the contents of the at least two ice cube compartment inside the compartment and a second position where the lid is held in a position where it is separated from the tray so that ice cubes formed in the tray can leave the tray.

Abstract: A household refrigerator has a housing formed with a receiving space. An icemaker unit for dispensing ice is arranged in the receiving space. The icemaker unit has a tray in which shaping regions are formed for specifying a shape of shaped ice elements that are produced from liquid poured into the tray. The icemaker unit has a cooling device with which a cooling air flow is produced for cooling the tray. The cooling device has an evaporator and a fan. A fan wheel of the fan blows the cold produced by the evaporator in a cooling air flow. The fan wheel is arranged in a separate pressure chamber.