Abstract: A conversion device includes a carrier body, a conversion body, which is secured on the carrier body, for converting electromagnetic radiation, a conduction track, which is applied on the conversion body, for monitoring the conversion body, and a contact element applied on the carrier body. The contact element has a first layer construction including at least a first contact layer and a second contact layer including mutually different materials. The conduction track has a second layer construction including at least a first conduction layer and a second conduction layer comprising mutually different materials. The contact element is electrically connected to the conduction track. At least one of the first conduction layer or the second conduction layer are electrically conductive and the thickness of said conductive layers is chosen such that an electrical impedance of the conduction track lies in a predetermined range.

Abstract: A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam.

Abstract: The utility model discloses a laser snowfall light, which comprises a laser module, a drive motor and a cambered-surface multi-directional reflecting mirror, wherein the drive motor drives the cambered-surface multi-directional reflecting mirror to rotate, and a light beam emitted by the laser module is irradiated on a surface of the cambered-surface multi-directional reflecting mirror. The light beam emitted by the laser module of the scheme is irradiated on the cambered-surface multi-directional reflecting mirror to exhibit the effect of snowflakes flying all over the sky, and then the cambered-surface multi-directional reflecting mirror is rotated by the drive motor to exhibit the effect of snowflakes falling from the sky.

Abstract: An object of the present invention to provide a surface light-emission system that can change its posture and can be safely used. There is provided a surface light-emission system including: a surface light-emitting module including a surface light-emitting panel with an emission surface; and a supporting part rotatably supporting the surface light-emitting module in a circumferential direction directly or indirectly. Furthermore, In the surface light-emission system, the supporting part is capable of supplying electric power to the surface light-emitting panel and includes a movable range restriction unit restricting a movable range in a circumferential direction of the surface light-emitting module.

Abstract: Examples of the present disclosure are related to systems and methods for lighting fixtures. More particularly, embodiments disclose lighting fixtures utilizing metal core PCB (MCPCB) for optical controls.

Abstract: This present invention provides a Curved LED tubular lamp, comprising a Curved lamp tube as mentioned above, wherein the first straight tube has a first inner wall and a first outer wall opposite to the first inner wall along the longitudinal axis of the first straight tube, and the second straight tube has a second inner wall and a second outer wall opposite to the second inner wall along the longitudinal axis of the second straight tube, and the rear supporter has a third inner wall and a third outer wall opposite to the third inner wall along the axis of the rear supporter, whereby the first inner wall, the third inner wall and the second inner wall is defined as an inner area, and the first outer wall, the third outer wall and the second outer wall is defined as an outer area; a LED light board installed on the inner area of the Curved lamp tube; two lamp caps respectively capped on the front ends of the first straight tube and the second straight tube, and connected with each other by a first front suppo

Abstract: A backlight lamp bar, a backlight module and a display device are provided in embodiments of the disclosure, all being relating to a technical field of display technology, the backlight lamp bar as disclosed including: a flexible circuit board; and a backlight source and a button light source both being provided on the flexible circuit board; the backlight source and the button light source being located on two opposite faces of the flexible circuit board perpendicular to a thickness direction thereof, and power supply terminals of the backlight source and the button light source are electrically connected with circuits on the flexible circuit board, respectively.

Abstract: A light apparatus for being installed in an accommodating space of the wall includes following components. A light source circuit generates light for lighting when being energized. A main shell is set with an exposed portion and an embedded portion, at least a portion of the exposed portion is located out of the wall, and the embedded portion is located in the accommodating space.

Abstract: The present invention relates to a portable lighting apparatus and more particularly pertains to a two-step switch for portable lighting apparatus and a portable lighting apparatus. The two-step switch comprises a casing, a key, a PCB board and a voltage ring sleeved outside of the key. A first spring is disposed between the voltage ring and the PCB board. A second spring is disposed at an end of the voltage ring which is distal from the first spring. The two-step switch is disposed at the end of the portable lighting apparatus which is distal from the light emitting means thereof. The present invention performs switching control of the portable lighting apparatus by the first spring and the second spring, increases the keystroke between the first step switch and the second step switch, and prevents mis-pressing.

Abstract: The invention relates to a surgical light comprising a light unit which has a plurality of light sources individually accommodated in a housing, wherein each light source is arranged and oriented in such a way that the light source produces a light beam in an energized state; an anchoring element which is prepared for fastening to a ceiling, a wall or a floor of a room; and a retaining arm system which connects the light unit slidably and/or pivotably to the anchoring element, wherein a position detection device is arranged and designed in such a way that, in the operating state, the position detection device determines a distance of a reference section of the light unit or of the retaining arm system from the ceiling.

Abstract: Disclosed is an LED filament lamp using infrared radiation heat dissipation and an LED lighting bar thereof. The LED filament lamp includes a bulb shell, a core base with an exhaust pipe, a driver, a lamp cap, and at least one LED lighting bar with 2? light-emitting LED chip. The bulb shell and the core base are in vacuum sealing to form a vacuum sealed cavity filled with high heat conductivity gas; the LED lighting bar is located in the vacuum sealed cavity; one side of which is provided with a light-emitting layer of the LED chip, and the other side is provided with an infrared radiation converting layer; both ends of the LED lighting bar are fixed to the core base through a metal wire and connected to the driver; and the driver and the lamp cap are connected in series through an outer electrode leading-out wire.

Abstract: In one aspect, luminaires are described herein having sensor modules integrated therein. In one aspect, a luminaire described herein comprises a light emitting face including a LED assembly. A sensor module is integrated into the luminaire at a position at least partially overlapping the light emitting face. In another aspect, a luminaire described herein comprises a LED assembly and a driver assembly. A sensor module is integrated into the luminaire along or more convective air current pathways cooling the LED assembly or driver assembly.

Abstract: A high mast luminaire includes a power housing that defines an internal space, and a power source is disposed within the internal space. A light emitting diode (LED) housing supports a plurality of LEDs that are powered by the power source, and a plurality of LED cooling fins extend from a back face of the LED housing. An extension member extends from the power housing to the LED housing. The LED housing and the plurality of LED cooling fins are rotatable with respect to the power housing.

Abstract: An LED fixture (200) that facilitates effective heat dissipation of an array of LEDs, having improved thermal performance; and is easy to mount or dismount. The LED fixture (200) includes a heat sink (202) having a hollow configuration, and a plurality of fins (204) extending circumferentially and outwardly from the heat sink (202). The LED fixture (200) further comprises a base (206) configured at an operative bottom portion of the heat sink (202), and a driver housing (208) connected to an operative top surface of the heat sink (202). The base (206) is configured to support an array of LEDs. The driver housing (208) is configured to accommodate a plurality of LED drivers. The driver housing (208) and the base (206) are arranged in a spaced apart configuration.

Abstract: A laminate having an electroluminescent element disposed within the laminate is disclosed. The laminate includes a first paper layer having at least first and second vias through the first paper layer; a first electrically-conductive layer comprising an electrically-conductive material, the first electrically-conductive layer being disposed over the first paper layer; a dielectric layer disposed over the first electrically-conductive layer; a light emissive layer comprising an electroluminescent material, the light emissive layer being disposed over the dielectric layer; a second electrically-conductive layer comprising a translucent electrically-conductive material, the second electrically-conductive layer being disposed over the light emissive layer; an insulating layer disposed over the second electrically-conductive layer.

Abstract: A flameless candle with integrated fountain device includes a container, having an accommodation space therein, a bottom of the container having a bottom plate adjacent to the accommodation space, an opening being disposed opposite the bottom plate and communicated with the accommodation space; a tube, located in the accommodation space, the tube having an inlet end and an outlet end, the outlet end being relatively higher than the inlet end; a pump motor, communicated with the accommodation space and the inlet end of the tube; a light-emitting member, configured to emit light to pass through the opening of the accommodation space; and an atomizer, adjacent to the outlet end of the tube. In addition to water flow and a change of light and shadow, the flameless candle also provides a misty effect generated by the atomizer.

Abstract: A boiler facility includes a boiler having a combustion chamber in which a burner is installed, a fuel pipe for supplying fuel to the burner, an air duct for supplying air sucked by a blower to the boiler, an oxygen supplier having an oxygen pipe connected to the air duct and a flow rate controller provided in the oxygen pipe, and a control unit. The control unit sets an air amount that is smaller than the reference air amount for burning the fuel, and controls the blower so that the set air amount is supplied to the boiler. Further, the control unit sets an oxygen amount for fuel combustion, and controls the flow rate controller so that the set oxygen amount is supplied to the air duct.

Abstract: Waste heat is extracted in two stages from the exhaust (20) of a biomass dryer (14) in a grain alcohol plant (10). A boiler circuit (56) provides a first steam at high pressure. A first energy recovery circuit (36) extracts heat from the exhaust via a non-contact heat exchanger (24) and provides a second, relatively lower pressure steam (78), thereby bypassing a portion of the boiler circuit. Working fluids in the boiler and first energy recovery circuits are maintained within boiler water quality specifications and are intermixed to allow the production of the second steam without a pressure reduction device. A second energy recovery circuit (44) extracts heat from the exhaust downstream of the first energy recovery circuit using a direct contact heat exchanger (38) and provides a non-boiler quality heated fluid (52), which may be a heated liquid or a third steam.

Abstract: A method and structure for operating a combustion system of a gas turbine engine to mitigate low frequency combustion acoustics is generally provided. The method includes flowing an oxidizer through a fuel nozzle passage defining an inner wall and an outer wall, in which each of the inner wall and the outer wall are contoured from a first radius to a second radius smaller than the first radius; flowing the oxidizer at a higher axial velocity at the inner wall relative to the outer wall upstream of a fuel injection port; flowing a fuel through the fuel injection port to the fuel nozzle passage to mix with the flow of oxidizer to produce a fuel-oxidizer mixture; and igniting the fuel-oxidizer mixture downstream of the fuel injection port.

Abstract: A recuperative burner (10) fires a furnace chamber (11) in a substoichiometric manner. The recuperative burner is arranged in a radiant tube (26) which is open towards and protrudes into the furnace chamber. Together with the recuperator (18) or a protrusion (21), the radiant tube (26) forms an exhaust gas channel (19) into which burn-out air is introduced by an air conducting device (23). The post-combustion which occurs in the exhaust gas channel (19) heats the radiant tube (26). The furnace chamber (11) is heated partly directly by fuel and air and partly indirectly by the radiant tube (26). An excessive level of CO emission is prevented by the post-combustion in the exhaust gas channel (19). By using the resulting heat from the radiant tube (26), excessively high exhaust gas temperatures are prevented and the thermal use of the fuel is optimized.

Abstract: The present invention is directed at a waveguide antenna for microwave enhanced combustion of a previously ignited fuel-air mixture. The waveguide antenna has a thermal conductivity of at least 150 W/m-k and can be formed from a metallic shell with a ceramic core.

Abstract: A gas burner includes a burner pipe, in which gas is supplied and which is provided with a row of linearly arranged perforations that allow the gas through to a burner chamber, and an ignition mechanism to ignite the gas electrically. The burner pipe is provided on the inside with a gas distribution pipe in order to evenly distribute the gas supply over the entire row of perforations, and the burner chamber is surrounded by a premounted air chamber, which is connected to the burner chamber by means of air slots, whereby the air slots are oblique with respect to the longitudinal axis of the burner pipe at an angle between 10° and 80°, and whereby the air supply through the air slots is controlled by a device that blows in or draws in air through the premounted air chamber.

Abstract: Disclosed herein are systems, apparatuses, and methods for using a sensed combustion zone temperature to continuously control combustion of a first (main) gas within an enclosed combustor. The combustor is in fluid communication with a first gas line carrying the first gas, a second gas line independent of the first gas line carrying a second (assist) gas having a higher heating value than the first gas, and air dampers providing draft or assist air. The first gas may be vapors from a production source or tank. A computer control system monitors the combustion zone temperature of the enclosed combustor as sensed by a sensor in electronic communication with the computer control system and controls the combustion zone temperature by changing a condition of a first gas line valve of the first gas line, a second gas line valve of the second gas line, and the air dampers.

Abstract: The Portable Flare is comprised of a pilot assembly, an air tube assembly, a burn gas tube assembly, a flame tube, a control system, a transport assembly, and a hydraulic lift. The pilot assembly is comprised of pilot gas supplied from the well site, a pilot gas supply line, a low-pressure regulator, a pressure measurement tap, a valve, a burner, an ignitor, and a pilot thermocouple. The temperature of the flame is controlled by monitoring the main burn thermocouple and adjusting the air flow with the blower that forces air up the air tube to mix with the burn gas.

Abstract: A burner system and a retrofit flame control system for an existing burner system are disclosed. The burner system may include burner components, electrodynamic components, and a data interface. The data interface may receive a command for controlling the burner components and prepare a command for controlling the electrodynamic components at least partially based on the command for controlling the burner components.

Abstract: Methods and systems for programming and controlling a control system of a gas valve assembly. The methods and systems include programming a control system in an automated manner to establish an air-fuel ratio based at least in part on a burner firing rate. The established air-fuel ratio may be configured to facilitate meeting a combustion constituent set point of combustion constituents in the combustion exhaust. The methods and systems include controlling operation of a combustion appliance based on closed-loop control techniques and utilizing feedback from a sensor measuring combustion constituents in exhaust from a combustion chamber in the combustion appliance. The combustion constituents on which control of the combustion appliance may be determined include oxygen and/or carbon dioxide.

Abstract: A gas safety system. The gas safety system includes an actuatable electric solenoid valve connected inline with a gas line, and operably connected to a control unit, such as a timer or a smart home system. The timer may be used to set a user-defined length of time for the solenoid valve to be in an open position, thereby allowing gas to flow through the gas line for no longer than the user-defined length of time. The smart home system may be used to remotely control an actuation of the solenoid valve, thereby enabling a user to remotely actuate the solenoid valve between the open position and the closed position. The stove safety system is useful for preventing a fire, an explosion, or another emergency caused by leaving the gas line open during use of a variety of gas appliances, such as gas stoves and the like.

Abstract: According to some aspects a safety lock may be provided for locking a lighter switch, rendering it necessary to push a safety push button forward to separate the locking projection of the locking lever from the engaging groove of the lighter switch, and then press the lighter switch to touch the circuit board switch to operate the lighter (e.g., ignite the lighter's flame). Normally, the arc emission end is disposed in the protective cover which may protect the arc emission end and avoid dangerous situations. When the safety push button is pushed forward, the arc emission end may be pushed out from the protective cover, ready to ignite. Aspects of this disclosure may provide advantages such as simple overall structure, high levels of safety, and safe and reliable use of lighters.

Abstract: A combustor assembly for a gas turbine engine includes a dome defining a slot. The combustor assembly also includes a liner at least partially defining a combustion chamber and extending between an aft end and a forward end. The forward end is received within the slot of the dome. In one exemplary aspect, the combustor assembly includes features that warm the forward end of the liner during transient operation of the engine. Furthermore, the combustor assembly includes features that reduce the thermal gradient between the forward end and the other portions of the liner. In this way, improved durability of the liner may be achieved.

Abstract: A combustor assembly for a gas turbine engine includes a dome defining a slot. The combustor assembly also includes a liner at least partially defining a combustion chamber and extending between an aft end and a forward end. The forward end is received within the slot of the dome. In one aspect, the forward end of the liner defines blind warming openings that allow a warming airflow to actively warm the forward end during transient operation of the engine. In another aspect, the dome defines a plurality of impingement openings that allow a warming airflow to impinge on the forward end to actively warm the liner during transient operation of the engine. In another aspect, a grommet coupling a pin with the liner defines a plurality of warming passages that allow a warming airflow to flow therethrough to warm the forward end of the liner during transient engine operation.

Abstract: A lightweight liquid fuelled heater for use in tents or shelters. A removable liquid fuelled burner is supplied by a fuel cannister and a pump to create pressure in the cannister. A flame plate restrains the flame in a desired position during combustion. The burner is positioned within a support plate in the heater and the burner is removable from the support plate and heater. The flame plate is likewise removable from the burner. An adjustable damper is mounted in the stack and an adjustment wheel is located externally of the heater to allow variable draft between startup and steady state combustion. A removable tray may be used for wood burning.

Abstract: A cooktop appliance includes a gas burner. A primary control valve is coupled to the gas burner. The primary control valve is manually adjustable to regulate a flow of gaseous fuel to the gas burner. A secondary control valve is connected in series between the primary control valve and the gas burner. A controller is in communication with the secondary control valve. The controller is configured to receive a temperature measurement from a temperature sensor and to adjust the secondary control valve in response to the temperature measurement from the temperature sensor.

Abstract: The present invention provides an oven, including: an oven body; and a gas circuit system and an electric circuit system, both of which are installed on the oven body; the gas circuit system includes: a gas pipeline; a combustor installed in the oven body and being in communication with an outlet of the gas pipeline; a control switch installed on the gas pipeline; and an electric control valve controlling connection and disconnection of the gas pipeline together with the control switch; the electric circuit system includes: a controller connected to the electric control valve and matched with the control switch for use, wherein when the control switch is turned on, the controller switches on the electric control valve, and when the control switch is turned off, the controller switches off the electric control valve; and a timer.

Abstract: There is provided a cooker including: a cooking room; a steam generator configured to generate steam, and to supply the steam to the cooking room; a water level sensor configured to sense a water level of a cleaning solution stored in the inside of the steam generator; a supply apparatus including a storage unit configured to accommodate the cleaning solution, a supply pump configured to supply the cleaning solution accommodated in the storage unit to the steam generator, and a drain pump configured to supply the cleaning solution remaining in the steam generator to the storage unit; and a controller configured to control operations of the supply pump and the drain pump, wherein the controller operates the supply pump in a washing mode, operates the drain pump when the cleaning solution is fully filled in the steam generator, and again operates the supply pump when the cleaning solution is removed from the steam generator.

Abstract: Techniques regarding the composition and/or structure of oven walls are provided. For example, one or more embodiments described herein can comprise an oven with a heat source configured to heat a hollow space within the oven. The oven further can comprise an oven body that can define the hollow space. Also, the oven body can comprising a plurality of connected sides, wherein one or more of the connected sides comprise a plurality of carbon nanotubes.

Abstract: A radiation grill unit (1) comprises (i) a food support unit (100) with bars (110), (ii) a radiation unit (200) that includes a reflector (210) (with reflector opening (223)) hosting an IR radiation heater (220), wherein the radiation unit (200) is configured to provide IR radiation (201) in a direction of the food support unit (100), and (iii) a radiation grill unit cavity (3) configured to host a drip tray (300). The drip tray is configured in the radiation grill unit cavity below a lower part edge of the reflector and out of a line of sight of direct IR radiation from the IR radiation heater. The drip tray further comprises a drip tray face and at least one drip tray reservoir configured at a side edge of the drip tray in a location that does not receive direct IR radiation, and configured to store a lipid comprising liquid.

Abstract: The invention relates to a hinge for a household appliance, including a hinge housing, including a pivot arm, which is pivotably retained at the hinge housing, and including a drive device, which comprises an electric motor, by means of which the pivot arm is pivotable relative to the hinge housing, wherein the drive device includes: a drive housing formed separately from the hinge housing, provided in addition thereto and at least partially following the hinge housing in longitudinal extension direction of the hinge housing; a threaded spindle at least partially received in the hinge housing; and at least one screw element screwed to the threaded spindle.

Abstract: A food cooking oven having an enclosure, which defines a cooking compartment and a door, which is movable between an open position and a closed position, is disclosed. The door may include a first panel, a second panel, which in a closed configuration has a greater distance from the compartment than the first panel. Additionally, a first and a second body for supporting the first and second panels is included. A profile is included, which is movable between a first position retaining the first panel and a second position permitting removal of the first panel from the door. A push-push type connector is included to retain the profile to the door.

Abstract: An insert for a downdraft extractor includes a removable filter element for filtering a stream of cooking fumes, and a removable collecting element for receiving liquids. The collecting element has at least one wall which serves as a flow directing surface for deflecting the stream of cooking fumes.

Abstract: The present invention relates to an oven comprising: a muffle that defines a cooking cavity for containing foods to be cooked, the muffle comprising at least one horizontal floor, heating means adapted to heat air, ventilating means adapted to circulate the air, at least one air distribution element comprising at least one channel adapted to receive the air being circulated and to allow it to flow through, wherein the distribution element further comprises a plurality of inlet openings in fluidic connection with the at least one channel and adapted to supply air into said cooking cavity; the ventilating means comprise at least one fan in fluidic connection with the distribution element, the fan being placed at least partially under the level of the horizontal floor.

Abstract: An oven appliance includes a sensor that is positioned coplanar with a broil heating element in a plane that is perpendicular to a vertical direction. The sensor is also positioned at a center portion of the broil heating element and/or between terminal ends of the broil heating element along a lateral direction that is perpendicular the vertical direction. A sensor shield is positioned between the broil heating element and the sensor in the plane that is perpendicular to the vertical direction.

Abstract: The invention relates to a domestic water heating system, which comprises: (A) a main water tank; and (B) an accelerator having a sleeve, which in turn comprises a mechanism for flushing lime scale accumulated at the bottom of the internal hollow of the sleeve, said mechanism causes a flow of cold-water from a cold-water inlet, to said bottom of the internal hollow of the sleeve, and from there to the main tank via hollows in the sleeve.

Abstract: A heat exchanger unit includes a heat exchanger, a drain pan, and a housing. The drain pan is a pullout drain pan capable of being pulled out sideways from the housing. A dew dripping space is formed between the heat exchanger and the outlet side surface of the housing, and in the dew dripping space, dew formed at the heat exchanger and blown off by an air flow drips into the drain pan due to its own weight before reaching the outlet of the housing. The heat exchanger unit further includes a fixing component by which the heat exchanger is fixed to the outlet side surface of the housing without interfering with the lateral movement of the drain pan and that forms the dew dripping space between the heat exchanger and the outlet side surface of the housing.

Abstract: A fresh air dehumidification device of a PTAC includes a cross-flow fan, a main evaporator, an air supply channel communicated with the cross-flow fan via the main evaporator, and an air exhausting device formed in the air supply channel for supplying air to the main evaporator. The air inlet of the air supply channel is connected to outdoor and the air outlet of the air supply channel is formed on a first air intake of the main evaporator. Fresh air passing through the air supply channel and the air exhausting device and is dehumidified by the main evaporator and then flows into the indoor so that the main evaporator of a PTAC is used as a dehumidifier in the dehumidification process, but without needing to increase a separate dehumidification system. So, the structure of the present disclosure can reduce the manufacturing cost of the PTAC.

Abstract: A heat source unit for a refrigeration apparatus, including: a casing; a heat exchanger disposed in an internal space of the casing, and that performs heat exchange between a refrigerant and air; a fan disposed in the internal space of the casing, and that horizontally blows out air passing through the heat exchanger; a first shut-off valve; and a second shut-off valve larger in diameter than the first shut-off valve; wherein the heat source unit further includes an above-shut-off-valves member disposed in the casing, positioned above the first shut-off valve and the second shut-off valve, and having at least one vertically penetrating wiring hole. The second shut-off valve is disposed below the first shut-off valve.

Abstract: A heat source unit for a refrigeration apparatus, includes: a casing; a heat exchanger disposed in an internal space of the casing, and that performs heat exchange between a refrigerant and air; a fan disposed in the internal space of the casing, and that horizontally blows out the air passing through the heat exchanger; a shut-off valve having a valve main body that forms a flow channel where the refrigerant flows, a valve body that opens and closes the flow channel, and a valve-operating part that operates the valve body; and an above-shut-off-valve member disposed in the casing and above the shut-off valve, and that forms a shut-off valve placement space where the shut-off valve is placed. The valve-operating part is oriented diagonally upward.

Abstract: A heat source unit for a refrigeration apparatus, includes: a casing; a heat exchanger disposed in an internal space of the casing, and that performs heat exchange between a refrigerant and air; a fan disposed in the internal space of the casing, and that horizontally blows out the air passing through the heat exchanger; and at least one shut-off valve having a connection port that opens toward a front-surface side or a rear-surface side of the casing; and peripheral panels that form a front surface, a rear surface, a left-side surface, and a right-side surface of the casing. The peripheral panels have a first portion that forms either one closer to the shut-off valve of the left-side surface or the right-side surface, and that has a cut-out portion.

Abstract: There is provided a unitary air conditioning system with temperature and humidity loosely-coupled control and a use method. The system includes a fresh air inlet, a return air inlet, an air mixing mechanism, a front-end air guide mechanism, a first and a second heat exchangers, a back-end air guide mechanism, an air supply outlet, and an air exhaust outlet. The fresh air inlet and the return air inlet are in communication with the air mixing mechanism, which is in communication with one end of an air flow passage of each of the first and the second heat exchangers through the front-end air guide mechanism; and the other ends of the air flow passages of the first and the second heat exchangers are respectively in communication with the air supply outlet and the air exhaust outlet through the back-end air guide mechanism.

Abstract: The present invention discloses an energy efficient air purification system 100 for purifying a complex polluted environmental air condition. The air purification system 100 comprises a plurality of air pollution monitoring units MU1, MU2, MU3, MU4 . . . MUNN which are installed at distant locations, a plurality of air purification units PU1, PU2, PU3, PU4 . . . PUN which are installed at distant locations and an automated control unit 500. The air pollution monitoring units are adapted to monitor the quality of the air in their surroundings. Upon such monitoring, the air pollution monitoring units are adapted to communicate the air quality data to the automated control unit 500. The said automated control unit 500 is adapted to analyze the air quality data and on basis of such analysis, the automated control unit 500 further instructs the air purification units for further action.

Abstract: There is disclosed a system and process for purifying air. The system includes a housing and a plurality of inner and outer chambers. A solution of water and a biological reagent is configured to flow around the inner and outer walls of the inner and outer chambers while air is passed adjacent to this fluid flow. This causes an interaction between the air and the fluid solution to cleanse the air. The air is then discharged from the chamber.