Abstract: A lighting device and a cooking appliance including a lighting device are disclosed herein. The lighting device may include a light source installed outside a cavity where a through hole is formed, the light source including a light emitting diode (LED), a light tube installed outside the cavity to be connected to the light source and receiving light emitted from the LED via a light incidence surface that diffuses the light in an area where the through hole is formed, a transmissive cover installed on the cavity to cover the through hole to transmit the light diffused in the light tube toward inside of the cavity, and a supporter installed outside the cavity to support the light source such that it is spaced apart from the cavity.

Abstract: Provided is a cooking apparatus and method of controlling the cooking apparatus. The cooking apparatus includes cooking apparatus includes a cooking chamber; a heating portion installed in the cooking chamber; and a smoking agent accommodation portion separably mounted on the heating portion and capable of accommodating a smoking agent.

Abstract: A kitchen hood includes a casing having a room defined therein, and a window is defined in the casing and communicates with the room. A switch box is positioned in the room by a positioning module. The switch box has a switch cover to which multiple switches are connected. An activation module is connected to inside of the room and the switch box. The activation module controls the switch cover to be exposed from the window or hidden in the window.

Abstract: The present invention relates to a district thermal energy distribution system comprising a thermal energy circuit comprising a hot and a cold conduit for allowing flow of heat transfer liquid therethrough, a thermal energy consumer heat exchanger and a thermal energy generator heat exchanger. The thermal energy consumer heat exchanger is selectively connected to the hot conduit via a thermal energy consumer valve or a thermal energy consumer pump. The thermal energy generator heat exchanger is selectively connected to the cold conduit via a thermal energy generator valve or a thermal energy generator pump.

Abstract: The present invention relates to a local thermal energy consumer assembly and a local thermal energy generator assembly to be connected to a thermal energy circuit comprising a hot and a cold conduit. The local thermal energy consumer assembly is selectively connected, via a pump or a valve to the hot conduit. The local thermal energy generator assembly is selectively connected, via a pump or a valve to the cold conduit. The use of either the valve or the pump is controlled by determining a local pressure difference between heat transfer liquid of the hot and the cold conduits.

Abstract: A thermostatic actuator for a radiator valve includes a thermostat mechanism configured to passively open the valve when an environmental temperature is less than a set point and to close the valve when the temperature is greater than the set point. A set point adjustment mechanism draws power from a power supply to selectively drive unitary movement of the thermostat mechanism to adjust the set point. Multiple actuators are used in a zoned radiant heating system in which a controller is operatively connected to the set point adjustment mechanism of each actuator to selectively transmit a control signal to actuate the set point adjustment mechanism to drive unitary movement of the respective thermostat mechanism to adjust the respective set point.

Abstract: A fuel-fired heating appliance has two fuel flow paths to a burner, each actuatable to a closed state and to an open state. A heat exchanger is in fluid communication with an area proximate the burner. A controller executes the steps: (a) while the first fuel flow path is closed, opening the second flow path; (b) following ignition of fuel flowing from the second flow path, opening the first fuel flow path; and (c) following step (b), closing the second fuel flow path while opening the first fuel flow path.

Abstract: A drainage tray for collecting condensate from a heat pump is disclosed, where the heat pump (3) being adapted to be mounted on a support (4) being mountable to at least one supporting structure to carry the weight of the heat pump (2) and the support (4) wherein the tray (2) comprises a peripheral and preferably inclined edge portion (7) defining a central recessed tray portion (8) configured to collect condensate, wherein the tray further comprises a condensate outlet (9) for removing the condensate from the tray (2).

Abstract: The present invention is provided to improve static pressure efficiency in an air blower provided with a fixed blade on the downstream side of a fan.

Abstract: A washstand furniture includes a wash bowl, a water supply assembly that supplies water to the wash bowl, a drainage assembly that drains the water, and a cabinet. An inner cabinet is provided under the wash bowl. An outer cabinet covers an outside of the inner cabinet. A dryer discharges air heated by a heater into the space defined in the cabinet. A first module is provided in the space defined in the inner cabinet, and an interior of the first module is dried using the air discharged from the dryer. A second module is provided in the space defined in the inner cabinet, and an interior of the second module is dried using air discharged from the first module. An external connection channel is defined between the inner cabinet and the outer cabinet to guide the air discharged from the first module to the second module.

Abstract: An independent temperature and humidity processing air conditioning system driven by low-level thermal energy, comprising an absorption-type refrigeration circulation loop, a solution dehumidification and regeneration circulation loop, a water cooling circulation loop, and a central air conditioning air supply and air return pipeline; the absorption-type refrigeration circulation loop comprises an evaporator (21), an absorber (26), a generator pump (25), a second solution heat exchanger (27), a generator (1), a condenser (2), a water-water heat exchanger (3), and a throttle valve (20); the solution dehumidification and regeneration circulation loop comprises a regenerator (8), a first solution pump (9), a solution heater (10), a first solution heat exchanger (12), a second solution pump (16), a solution cooler (17), and a dehumidifier (18); the water cooling circulation loop comprises two branches; and the central air conditioning air supply and a return pipeline comprises an air supply pipeline (13), an air

Abstract: Disclosed are a refrigeration module capable of reducing a temperature of a storage room within a short time and a bathroom management apparatus including the same. A refrigeration module may include an outer case, a thermoelectric module, a first heat sink provided on a first surface of the thermoelectric module to produce heat and second heat sink provided on a second surface of the thermoelectric module to absorb heat, and a blowing fan.

Abstract: Laboratory ventilation is integrated. The HVAC room controller requests changes in the exhaust set point of one or more fume hoods. By allowing the fume hoods to respond to such HVAC requests, the fume hood exhaust may be turned down to a point below the highest level that could be needed. The request may be used to turn the fume hood exhaust back up, so greater energy savings may be possible in non-peak demand operation of the HVAC system.

Abstract: A system incudes an equipment interface module (EIM) and a control unit. The EIM includes a signal encoder that is operable to generate one or more encoded signals by encoding one or more instructions onto one or more electrical signals according to one or more received commands from a thermostat unit. The signal encoder is further operable to transmit the generated one or more encoded signals on one or more of a plurality of electrical wires. The control unit is coupled to the EIM via the plurality of electrical wires and includes a signal decoder. The signal decoder is operable to decode the one or more instructions from the one or more encoded signals on the one or more electrical wires. The control unit is operable to control one or more functions of a motor according to the decoded instructions from the signal decoder.

Abstract: An air conditioner and a method of controlling the same are disclosed. The air conditioner includes a controller configured to determine a target evaporation pressure based on information sensed by an outdoor temperature sensor. The controller determines whether the determined target evaporation pressure is changed, based on a difference between a value sensed by an indoor temperature sensor and a set temperature of an indoor space and a value sensed by an indoor humidity sensor.

Abstract: A method for cleaning an air conditioner indoor unit and outdoor unit includes controlling a heat exchanger to enter a self-cleaning mode, adjusting an operating frequency of an air conditioner, an opening of a throttling device, and a corresponding fan speed of the heat exchanger, and maintaining an evaporating temperature of the heat exchanger within a present range to enable a frost process on a surface of the heat exchanger. When a differential pressure of the air conditioner meets a preset condition, a four-way valve changes a direction, switching defrosting to indoor and outdoor heat exchangers. When the differential pressure does not meet the preset condition, the air conditioner is adjusted to meet the preset condition and the four-way valve direction is changed to perform a defrosting switching to the indoor and outdoor heat exchangers.

Abstract: A method for managing failures in multiple nodes of a building management system includes selecting a second building management system node from the building management system nodes to perform a computing job to determine one or more values for the building management system. The method includes sending the computing job to the second building management system node for the second building management system node to determine the one or more values for the building management system, receiving progress messages from the second building management system node, wherein the progress messages indicate the status of the second building management system node for determining the one or more values, and selecting a third building management system node from the plurality of building management system nodes to perform the computing job in response to the progress messages indicating that the second node has failed to determine the one or more values.

Abstract: An indoor climate control system in which a climate controlling equipment (1) has a control line (2) arranged to be connected to climate influenced impedance means (3), switching means (4) being arranged to disconnect the climate influenced impedance means from the control line under influence from a third output (5) of a control unit (6) and to instead connect substituting means (7) providing an impedance controlled by a first output (8) of the control unit, the control unit having polarity probing means (13) arranged to obtain an indication whether a connection of the substituting means to the control line results in a voltage with a positive or negative polarity, the connection of the substituting means being made in dependence on that indication and under influence of a second output (14) of the control unit.

Abstract: The present disclosure generally provides controls, apparatus, systems and methods for controlling a ventilation mechanism to efficiently manage the relative humidity of an area. The controls, apparatus, systems and methods utilize sensed relative humidity information and one or more inputs to provide for efficient automatic and/or manual control a ventilation mechanism in response to high humidity events within the area. The controls, apparatus, systems and methods provided herein efficiently automatically activate a ventilation mechanism through the use of sensed relative humidity information and user input. The controls, apparatus, systems and methods provided herein efficiently automatically deactivate a ventilation mechanism through the use of sensed relative humidity information and user input.

Abstract: Determining building weather profile parameters, and correcting an estimated altitude of a receiver using the building weather profile parameters. Systems and methods for estimating an altitude of a receiver using building weather profile parameters may identify one or more weather profile parameters for a building, determine an initial estimate of a receiver's altitude at a floor inside the building, and use the initial estimate and the identified weather profile parameters to determine a corrected estimate of the receiver's altitude at the floor.

Abstract: Fan coil thermostats can provide energy savings by, for example, not unnecessarily heating and/or cooling an unoccupied room or other space. Fan coil systems employing such a fan coil thermostat may be more energy efficient. A fan coil system may include a fan coil that is configured for fluid communication with a source of heated fluid and/or a source of cooled fluid, a valve that controls fluid flow through the fan coil, a fan that blows air across the fan coil and a fan coil thermostat. The fan coil thermostat may include a controller that implements a control algorithm that may include an unoccupied temperature setting. The controller may be programmed to permit a user to enter a user-chosen temperature setting. In response, the controller may initiate a timer, and may automatically return to the unoccupied temperature setting once the timer has expired.

Abstract: Environment control systems and methods of controlling modular housing units. In one embodiment, the environmental control system includes a first modular housing unit and a server. An environmental sensor is configured to measure and report first data reflecting an environmental condition of the first modular housing unit. An occupant sensor is configured to measure and report second data reflecting a status condition of an occupant of the first modular housing unit. A utility device is configured to manipulate the environmental condition of the first modular housing unit and report third data reflecting an operating condition of the utility device. Responsive to a first condition in at least one selected from a group consisting of the first data, the second data, and the third data, the server is configured to send a first command to the utility device to adjust a second condition measurable by the environmental sensor.

Abstract: A building air conditioning control system for controlling the comfort degree of air in at least one floor area of the building, and includes: a first head counting module to acquire first head count change data of a floor area according to a weight change of a cabin of an elevator when passing the corresponding floor area; a second head counting module to acquire second head count change data of the floor area according to data acquired by an image sensor mounted in the corresponding floor area; and an air conditioning control module to correct head count change data based on the first head count change data and the second head count change data, and control the comfort degree of air in the floor area based on the corrected head count change data. The building air conditioning control system and control method provide accurate control and good user experiences.

Abstract: A self-cleaning method for an air-conditioner heat exchanger includes controlling an air-conditioner to enter a self-cleaning mode, detecting an ambient temperature of a to-be-cleaned heat exchanger, and determining, according to the detected ambient temperature, a target evaporating temperature of the to-be-cleaned heat exchanger. The method further includes adjusting, according to the target evaporating temperature and an actual evaporating temperature of the to-be-cleaned heat exchanger, an evaporating temperature of the to-be-cleaned heat exchanger, and controlling the to-be-cleaned heat exchanger to frost. After a surface of the to-be-cleaned heat exchanger is covered with a frost layer or an ice layer, the air conditioner enters a defrosting mode of the heat exchanger. The self-cleaning method can be performed on an air-conditioner heat exchanger conveniently and effectively, with high efficiency.

Abstract: If a load of an indoor space is higher than a predetermined value in a cooling operation, a controller performs a swing control operation to swing a wind direction adjusting slat so that a direction of blown air shifts in a limited possible range. The angle of a lowermost wind direction relative to a horizontal plane in the limited possible range is smaller than the angle of a lowermost wind direction relative to the horizontal plane in the normal possible range. The normal possible range is previously determined to be a range where if the load of the indoor space is lower than the predetermined value, the direction of the blown air can shift upward and downward.

Abstract: An air conditioning system including one or more supercooling heat exchangers, a supercooling expansion device, a temperature sensor, and a pressure sensor so as to accurately measure and control a current supercooling degree value of a fluid coolant flowing between a fluid pipe and a plurality of indoor devices.

Abstract: The air-conditioning apparatus includes: a refrigerant cycle circuit through which a heat source side refrigerant circulates; a plurality of heat medium cycle circuits through which a heat medium circulates, the plurality of heat medium cycle circuits including a plurality of use-side heat exchangers, the heat medium exchanging heat with the heat source side refrigerant of the refrigerant cycle circuit in intermediate heat exchangers; and a heat medium distribution device provided in one of the plurality of heat medium cycle circuits to which a plurality of the use-side heat exchangers are connected, the heat medium distribution device controlling flow rates of the heat medium of the plurality of use-side heat exchangers connected to the heat medium cycle circuit.

Abstract: A corrosion inhibitor module for a packaged terminal air conditioner unit (PTAC) is provided. Condensate is pumped from a drain pan of the PTAC into a housing of the corrosion inhibitor module. The housing contains a corrosion inhibitor concentrate that is mixes with the condensate to form an inhibitor solution that is returned to the drain pan to prevent the corrosion of components that come in contact with the condensate.

Abstract: A furnace is disclosed. The furnace may include an enclosure having a vertical support column formed by a heat exchanger compartment panel and a blower compartment panel. The furnace may include a window assembly having venting openings hidden by a viewing window. The furnace may also include a rail to support a removable heat exchanger system. The furnace may further include a wire retaining fin assembly to retain a wire. A heat exchanger header design including features to retain a sealant is also disclosed.

Abstract: Overflow protection and monitoring devices capable of coupling to a drainage pan and may include: a drainage line; a base, the base including an input port; a dry section; and a wet section, the input port capable of coupling to the drainage pan; a base cover, the base cover removably coupled to the base, the base cover including a base cover output port capable of coupling to the drainage line; a fluid displacement mechanism located in the wet section, the fluid displacement mechanism including a fluid displacement mechanism output port; a fluid detection mechanism located in the wet section; and a base attachment, the base attachment coupled to the fluid displacement mechanism output port and the base cover output port, the base attachment including an air relief port and back-flow preventer; a control unit capable of energizing the fluid displacement mechanism upon receiving a signal from the fluid detection mechanism.

Abstract: A fuel-fired heating appliance comprises a fuel source, an air source, a chamber in which fuel and air mix, a burner downstream from the mixing chamber, an igniter proximate the burner, a heat exchanger, a blower and a flue pipe. An ambient air inlet may be defined by at least one of the outlet end of the blower and the flue pipe extending between the interior of the flue pipe and an area ambient to the flue pipe. A flow rate of combustion gas may be controlled to a level below a steady-state flow rate during appliance warm-up.

Abstract: A solar thermal collector for heating a fluid with absorbed solar thermal energy from solar radiations is provided. The solar thermal collector comprises an inlet configured to supply the fluid into the solar thermal collector, an outlet configured to evacuate the fluid from the solar thermal collector, and a solar absorber having an absorber plate and a base plate. The absorber plate has an absorber plate perimeter and an absorbing surface configured for absorbing the solar thermal energy from solar radiations. The base plate is connected to the absorber plate along the entire absorber plate perimeter so as to define a sealed cavity. The base plate and the absorber plate are connected at a plurality of contact points distributed so as to create an array of junctures across the sealed cavity, thereby allowing the fluid to circulate throughout the sealed cavity when flowing from the inlet to the outlet.

Abstract: Methods for controlling or operating solar thermochemical reactions process that maximize the two-step thermochemical energy cycle efficiency by a combination of pressure and temperature swing are disclosed.

Abstract: An air conditioner having a cooling capacity of about 11 kW to about 16 kW, a mixed refrigerant in which R32 is contained at a content of about 50% or more is used as the refrigerant, and the refrigerant pipe is made of a ductile stainless steel material having a delta ferrite matrix structure of about 1% or less on the basis of a grain area.

Abstract: A vortex tube is disclosed. A vortex tube is a slender tube with a diaphragm closing one end of the tube with a discharge hole in the center of the diaphragm with tangential inlet nozzles. The vortex tube separates an inlet gas stream into two compartments. The present invention relates to an optional geometry of the vortex tube for use with compressed natural gas.

Abstract: An air-conditioner having a compressor, a condenser and an evaporator. The air-conditioner further includes a liquid-to-suction heat exchanger provided in a flowpath from the condenser to the evaporator.

Abstract: An absorption refrigeration system (ARS), includes a sorbent-refrigerant pair that has an ionic liquid (IL) sorbent and a refrigerant that displays a lower critical lower critical solution temperature (LCST) at a temperature of 50 to 100° C., wherein the separation of the sorbent from the refrigerant occurs upon heating the sorbent-refrigerant pair to a temperature above the LCST. This liquid-liquid phase separation requires significantly less energy to desorb the refrigerant from the sorbent than vapor-liquid phase separation in traditional ABSs.

Abstract: Standalone and self-contained cooling systems using compressed liquid and/or gas CO2 containers positioned in an insulated or non-insulated vessel and consisting of a specially designed unit where the containers are vertically positioned in an upright or upside-down position. The liquid and/or gas CO2 coolant is then released into capillary tube(s) embedded into a heat transfer plate or heat exchanger thus leveraging the CO2 coolant properties. The temperature is controlled by a metering CO2 releasing system encompassing an electronic control device which can be operated remotely and/or via a touch screen and which sends alerts when pre-defined thresholds are exceeded. The invention's metering CO2 releasing system may be triggered by an electronic or a thermostatic valve or may be triggered manually or by an electronic solenoid. The invention's cooling system also encompasses check valves, which avoid liquid and/or gas CO2 from escaping when removing or replacing CO2 containers individually.

Abstract: A solid-state switch architecture for multi-mode operation of a thermoelectric device and a method of operating such a device are provided herein. The switch architecture includes one or more inputs operable to receive power from one or more power supplies. The switch architecture also includes multiple outputs operable to provide power to respective channels of the thermoelectric device. The switch architecture also includes multiple solid-state switches operable to connect the one or more inputs to the outputs and a controller operable to toggle the solid-state switches to provide multiple modes of operation of the thermoelectric device. In this way, the thermoelectric device can be operated in a more efficient way while decreasing the size and increasing the reliability of the switch architecture. Also, this may allow the use of standard and less expensive power supplies. This may result in a significant reduction in cost and an increase in reliability.

Abstract: A cooling system which combines a plurality of refrigeration cycles has a fluctuating cooling capacity. Therefore, a cooling system according to the present invention includes: a first cooling means including a first refrigerant transportation means for circulating a refrigerant that receives heat from an object to be cooled; a second refrigerant transportation means connected to the first refrigerant transportation means, for circulating a diverted refrigerant being a part of the refrigerant; a second cooling means for receiving heat from the refrigerant circulating through the first refrigerant transportation means, and cooling the diverted refrigerant; and a flowrate control means for controlling a flowrate of the diverted refrigerant.

Abstract: A bypass line is described that is capable of equalizing pressure within an HVAC system. The bypass line can also cause less noise than other solutions. A bypass line under the present disclosure can comprise a line from a high pressure side to a low pressure side of an HVAC system. Valves and orifices can be disposed within the bypass line. The valves and orifices help to slow the speed of fluid from high pressure to low pressure locations, thus reducing noise during pressure equalization.

Abstract: A refrigeration system in which a refrigerant is circulatable, the refrigeration system including an indoor coil assembly with an indoor coil and a suction header subassembly connected with indoor coil circuits of the indoor coil. The suction header subassembly includes a hollow suction header body defining a suction header bore therein and one or more extended spigots defining an extended spigot bore therein for directing the refrigerant into a selected one of the indoor coil circuits when operating in a defrost mode. The extended spigot includes an open inner end that is located in the suction header bore to receive a portion of the refrigerant flowing therethrough when the refrigeration system is operating in the defrost mode.

Abstract: A method of monitoring a heating, ventilation, and air conditioning (HVAC) system for refrigerant leak. The method includes monitoring, by a controller, operation of the HVAC system and determining, using a plurality of leak detectors, whether refrigerant within the HVAC system is leaking. Responsive to a positive determination in the determining step, receiving, by the controller, a refrigerant leak warning signal and modifying, by the controller, operation of the HVAC system to prevent the refrigerant from entering an enclosed space.

Abstract: A novel self-cooling food product container apparatus and a process for manufacturing the same is disclosed. A self-cooling food product container combined with a substantive vapor transport system producing a humidification cooling process for cooling food and beverage products. Methods of assembling and operating the apparatus are also provided.

Abstract: Embodiments of the present disclosure include methods, apparatuses, and systems for cooling. Embodiments include a cooling system comprising a mobile container, conveyor system, and sensor feedback system. Container includes at least a first, second, and third section. First section holds at least one pallet containing produce. Second section includes a cooling mechanism to cool the produce within the at least one pallet to an optimal temperature. Third section includes the cooling mechanism to maintain the cooled produce in the at least one pallet at the optimal temperature. Conveyor system may be used to convey the at least one pallet across the cooling system. Sensor feedback system is configured to continuously measure and track at least the weight of the at least one pallet and temperature of the produce within the at least one pallet as the at least one pallet is conveyed across the cooling system.

Abstract: A refrigeration appliance, particularly a domestic refrigeration appliance, has a thermally-insulating housing in which at least one first and one second inner chamber are separated from one another by a thermally-insulated wall. The first inner chamber is divided into a storage compartment and an evaporator chamber. A passage in the thermally-insulated wall connects the evaporator chamber to the second inner chamber. At least one closure element for controlling the air exchange is housed, in the passage, between the evaporator chamber and the second inner chamber.

Abstract: A refrigerator is provided. The refrigerator may include an evaporator installed inside an evaporator case, a water tray provided below the evaporator and configured to collect water, a grill cover provided at a rear side of the evaporator case and configured to accommodate a blower fan, and a tray support provided in the grill cover to support the water tray so that an inner storage space of the refrigerator may increase, a withdrawal distance of a drawer provided in the refrigerator may increase, and a storage capacity of the refrigerator may be improved.

Abstract: A vehicle heat management device that includes: a pump that circulates cooling water around a cooling water circulation path; an air blower that blows air through a radiator toward an exterior heat exchanger of an air-conditioning device of a vehicle; and a de-icing controller that, in a case in which an estimated ice adhesion amount on the exterior heat exchanger is a predetermined value or greater, starts first de-icing control by using a pump to circulate cooling water in a flow path including a second flow path, in the state in which a first flow path and the second flow path are isolated from each other by a first switching section, and using the air blower to blow air through the radiator toward the exterior heat exchanger.

Abstract: A refrigerator includes a partition wall provided between first and second storage chambers and having a partition wall insulator, an evaporator case arranged in the partition wall and communicating with the first and second storage chambers, an evaporator installed inside the evaporator case, a grill cover provided on a rear side of the evaporator case and configured to accommodate a blower fan, and support guides provided in the grill cover and supporting a rear portion of the evaporator, such that an internal storage space of the refrigerator is increased, and a withdrawal distance of a drawer provided in the refrigerator is increased.

Abstract: A refrigerator (1) is provided with an image capturing camera 18 (image capturing unit) configured to capture an image of an interior of a storage chamber (such as a refrigeration chamber 3); a communication portion (52) (communication unit) configured to transmit image of the interior of the storage chamber captured by the image capturing camera (18) to an exterior device; wherein the image capturing unit is stored in a recess provided in the interior of the storage chamber.