Abstract: Disclosed herein is an air conditioner. The air conditioner includes a housing having an inlet port, a heat exchanger configured to exchange heat with air flowing in through the inlet port, a blowing unit configured to circulate air into or out of the housing, and a discharge unit rotatably provided relative to the housing, the discharge unit having a first outlet port formed in a portion of the outer circumferential surface to discharge the heat-exchanged air and a second outlet port formed in another portion of the outer circumferential surface to discharge the heat-exchanged air at different speed from the air discharged from the first outlet port.

Abstract: A high-efficiency extra-large cooling capacity series water-cooled chiller in an energy station, comprising at least two evaporators, a condenser, a chilled water main pipe and a cooling water main pipe, all the evaporators form an evaporator series set in a series connection form, both ends of the evaporator series set are connected to the chilled water main pipe, and each evaporator is provided with a refrigerant channel for connecting the condenser. According to the present invention, the evaporators are set in series combination. When the load is very low, one compressor operates at a high load or at full load, that is, the compressor continuously operates in a high efficiency zone, which avoids multiple compressors operating in an inefficient zone, and high total power.

Abstract: An air handler unit (AHU) in communication with a building automation system (BAS) or through direct programming of one or more smart valves within the AHU operates to meter an amount of water that flows through a coil in the AHU. In one embodiment, the BAS transmits a temperature setpoint signal to the smart valve and allows the smart valve to control its valve position without additional input from the BAS. In another embodiment, the AHU includes a master smart valve and a second valve. The BAS provides the temperature setpoint signal to the master smart valve, which in turn provides another temperature setpoint signal to the second valve. The second valve may take the form of a slave smart valve or a slave non-smart valve.

Abstract: The purpose of the present invention is to reduce the risk of contamination in a clean air device in which a safety cabinet and clean booths are coupled. To achieve this, a clean air device in which a cabinet and clean booths are coupled, is configured such that the cabinet is equipped with: a work space which is formed on the inner side of a front shutter; and a circulation path which is formed from the lower surface, side surfaces, rear surface of the work space, and an outside portion of the cabinet so as to exhaust the air flowing into the work space. Pass boxes connected to the clean booths are provided to a portion of the side surfaces of the work space. Each of the pass boxes is formed by a pass box coupling inner surface, the outside of which has a space formed by a pass box coupling outer surface. The space communicates with the circulation path. The bottom of the pass box coupling outer surface is provided with a pass box coupling outer surface slit.

Abstract: A building heat dissipation hood structure includes a ventilation through-hole (11) disposed in a top portion (1) of a building. A heat dissipation hood (2) is mounted on the top portion (1) of the building and is located corresponding to the ventilation through-hole (11). A fan (3) is mounted in the heat dissipation hood (2). In a method for producing the building heat dissipation hood structure, a periphery of the fan (3) is firstly superimposed on a top side of a hole edge of the ventilation through-hole (11) from the top portion (1) of the building. A leakage preventing mechanism (4) is disposed in an intersection area between the fan (3) and the hole edge of the ventilation through-hole (11). The heat dissipation hood (2) is then installed in the top portion (1) of the building.

Abstract: An airflow control assembly for selectively controlling room temperature includes a plurality of vent covers. Each vent cover is configured to fluidically couple to a conduit of a heating, ventilation, and cooling (HVAC) system of a building. A first power module and an actuator are coupled to the first housing. A plurality of louvers is pivotally coupled to and extends between opposing edges of an orifice positioned in a front of the first housing. The actuator is operationally coupled to the louvers and the first power module. A thermometer is coupled to the front of the housing. A controller is operationally coupled to the plurality of vent covers and the HVAC system. The controller is configured to compel an associated actuator to selectively rotate the louvers to open and close the orifice to regulate airflow through the vent cover to maintain a desired temperature proximate to the first housing.

Abstract: Airstream sensor devices, systems, and related methods are disclosed. The sensor devices, systems, and methods are incorporated in heating, ventilation, and air conditioning (HVAC) ducts and plenum spaces for providing data used to monitor, manage, troubleshoot and/or control such systems. In an example embodiment, an airstream sensor device includes a housing and a plurality of sensors disposed on the housing. The plurality of sensors is configured to detect the temperature, airflow, and relative humidity of an airstream passing on, over, or through the device.

Abstract: A refrigeration cycle apparatus includes a refrigeration cycle circuit which includes a plurality of load-side heat exchangers; a plurality of indoor units which accommodate the plurality of load-side heat exchangers, respectively; and a controller which controls the plurality of indoor units. Each of the plurality of indoor units includes an air-sending fan. At least one of the plurality of indoor units includes a refrigerant detection unit. The controller divides the plurality of indoor units into one or more groups. The controller is set such that when refrigerant is detected by the refrigerant detection unit included in any of the plurality of indoor units, the controller causes the air-sending fans included in all the indoor units which belong to a same group as the indoor unit which includes the refrigerant detection unit which detects the refrigerant to be operated.

Abstract: A system for a building management system simulation includes one or more processors and memory. The memory includes instructions stored thereon, that when executed by the one or more processors, cause the one or more processors to generate a space agent representing a space in a building, the space agent to maintain an environmental condition of the space based on an optimization state of the space, generate an equipment agent representing a device that serves the space, and register the space agent and the equipment agent to a space communication channel associated with the space. The space agent communicates with the equipment agent over the space communication channel.

Abstract: An air-conditioning operation condition generation apparatus as an aspect of the present invention generates trial conditions for multiple air conditioners associated with a target space of air-conditioning control, evaluates a trial performed by coordination of the plurality of air conditioners under the trial conditions, and generates actual operation conditions for the plurality of air conditioners to achieve a targeted state in the target space on the basis of evaluation of the trial.

Abstract: An air-conditioning control evaluation apparatus includes a storage unit and a computing unit. The storage unit stores building information, input information, control information, a set of building models, and a candidate selection criterion. The computing unit determines an item available as input data for a building model, identifies the distribution of observed data, selects a plurality of candidate building models from the set of building models based on the available item and candidate selection criterion, estimates each parameter based on a method corresponding to the distribution, determines one building model based on a predetermined statistic calculated for the plurality of building models and the residual between estimated and observed values calculated for each of the building models, and evaluates, by use of the determined building model, energy saving and comfort for a plurality of controls to be evaluated.

Abstract: A refrigeration cycle apparatus includes a refrigeration cycle circuit that includes a plurality of load-side heat exchangers and a plurality of indoor units that accommodate the plurality of load-side heat exchangers. Each of the plurality of indoor units includes an air-sending fan. At least one of the plurality of indoor units includes a refrigerant detection unit. When refrigerant is detected by the refrigerant detection unit included in any one of the plurality of indoor units, the air-sending fans included in all of the plurality of indoor units operate.

Abstract: A flame-resistant, insulated, plastic HVAC duct including a channel configured for conveying forced air and a duct wall forming the channel, the duct wall including a plastic layer disposed between a thermally insulating layer and a metal foil layer. The metal foil layer is arranged to form an outer surface of the duct wall, and the thermally insulating layer is arranged to form an inner surface of the duct wall. A second metal foil layer may be disposed between the thermally insulating layer and the plastic layer.

Abstract: The present disclosure relates to a damper to manage air flow, where the damper includes a housing that defines a passageway through which the air flow is directed. The damper includes a ring having a flat surface that terminates at an outside dimension and at an inside dimension, where the outside dimension is disposed to fit within the passageway and is pivotably rotatable along an axis that bisects the passageway. The damper also includes a disc having a flat surface that terminates at an outside dimension that is nested within the inside dimension of the ring in a gimballed relationship and is pivotably rotatable along the axis. The damper further includes an actuator coupled to the ring and the disc, where the actuator is configured to separately rotate each of the ring and the disc about the axis.

Abstract: An air conditioner and a method for controlling the same are disclosed. The air conditioner includes a compressor; an indoor fan configured to blow an indoor air; and a controller configured to change and control a revolutions per minute (RPM) of the indoor fan to a predetermined time when the compressor is off.

Abstract: A system for securing an air conditioning unit to a building without the need for any alteration and/or damage to the building itself. The system includes a cross bar, an air conditioning unit support, and a strut. The arrangement of the components results in the cross bar applying an outward force to an interior surface of the building and strut applying an inward force to an exterior surface of the building in response to the downward force exerted on the air conditioning unit support. The sum of the forces applied on the surfaces of the building is sufficient to secure the air conditioning unit to the building.

Abstract: A self-contained, gravity-fed, water system for providing hot and cold running water for use in outdoor or remote settings is disclosed. The system includes an elevated water storage unit, a grill or smoker unit, a sink station, a waste water storage unit and piping all attached and secured to a transportable platform. Water pressurization is provided by the elevated storage unit and the grill or smoker provides the source of heat for generating hot water within the system.

Abstract: A heat receiver tube for absorbing solar energy and for transferring absorbed solar energy to a heat transfer fluid may include: a core tube with a solar energy absorptive coating for absorbing solar radiation, the heat transfer fluid at least partially inside the core tube; and an enveloping tube surrounding the core tube, the enveloping tube including an inner enveloping tube surface. The core tube and the enveloping tube are coaxially arranged forming an inner heat receiver tube space. There is an inert gas in the inner heat receiver tube space. The tube may further include a dimension adapting device having a flexible adapting device wall compensating for thermally induced changes in a dimension of the tube. The enveloping tube and the dimension adapting device are joined together by a skirt having an inlet port for the inert gas. The inlet port is sealed with a metal.

Abstract: A solar concentrator may have a horizontal circular track on the ground, a tower centered on a vertical axis of the track, and a rotatable structure around the track having an upper, concave mounting surface approximating the shape of part of a sphere centered on the top of the tower. Articulated concave mirrors are attached to the rotatable structure, and the mirrors have a focal length approximately equal to the radius of a sphere portion formed by the concave mounting surface. Sunlight is focused at a receiver mounted atop the tower, and the receiver may convert sunlight into thermal or electrical energy. As the position of the Sun changes, sunlight is maintained on the receiver by turning the rotatable structure toward the Sun, turning the receiver about said vertical axis to face the mirrors, and articulating the mirrors toward the receiver in response to the changing elevation of the Sun.

Abstract: A refrigerating machine which is equipped with: a turbocompressor 2 that compresses a refrigerant; a condenser 3 that condenses the refrigerant compressed by the turbocompressor 2; an intermediate cooler 4 that is a plate heat exchanger which performs heat exchange between the liquid refrigerant introduced from the condenser 3 and the two-phase refrigerant obtained by expanding, with a sub-expansion valve 13, part of the liquid refrigerant introduced from the condenser 3; a main expansion valve 5 that expands the liquid refrigerant introduced from the intermediate cooler 4; and an evaporator 7 that evaporates the refrigerant introduced from the main expansion valve 5. The plate heat exchanger includes 80 or more laminated plates, the width of which is 100-400 mm and the height of which is 300-1000 mm.

Abstract: A rotary valve mechanism of a cryocooler includes a valve rotor and a valve stator. A rotor recessed portion is formed such that the rotor recessed portion fluidally communicates with a stator recessed portion at a first opening degree at a second phase of a valve rotation. The valve rotor includes a first rotor communication groove and/or a second rotor communication groove formed in the valve rotor such that the rotor recessed portion fluidally communicates with the stator recessed portion at an opening degree which is smaller than the first opening degree at a first phase preceding the second phase, and/or the valve stator includes a stator communication path formed in the valve stator such that the rotor recessed portion fluidally communicates with the stator recessed portion at an opening degree which is smaller than the first opening degree at the first phase preceding the second phase.

Abstract: A chiller system according to an exemplary aspect of the present disclosure includes a compressor section and a controller. The compressor section has a first refrigerant compressor having a first cooling capacity and a second refrigerant compressor having a second cooling capacity different from the first cooling capacity. The controller is configured to selectively operate the first and second refrigerant compressors.

Abstract: An air handling system that includes at least one earth-coupled heat exchanger assembly that further includes a first pipe section having an inner diameter and an outer diameter; a second pipe section concentrically surrounding a portion of the first pipe section, wherein the second pipe section includes an inner diameter and an outer diameter, wherein the outer diameter of the first pipe section and the inner diameter of the second pipe section define a space therebetween, and wherein the space between the first pipe section and the second pipe section is evacuated to form an insulating vacuum therein; and a third pipe section concentrically surrounding a portion of the second pipe section, wherein the third pipe section includes an inner diameter and an outer diameter, and wherein the outer diameter of the second pipe and the inner diameter of the third pipe section define a passageway therebetween.

Abstract: In order to an initialising system for a refrigerant compressor unit, including a refrigerant compressor, an electrical drive motor for the refrigerant compressor and a compressor controller that determines the voltage and speed of the drive motor on the basis of sets of configuration parameters loaded into this compressor controller and controls the drive motor accordingly, wherein the initialising system has a compressor data memory, in which compressor data relating to respectively possible refrigerant compressors are stored, and a motor data memory, in which motor data relating to possible drive motors are stored, wherein the initialising system has a processor for performing the initialisation, a display unit and an input unit, wherein during initialisation the display unit and the input unit serve to determine the refrigerant compressor and the drive motor, and wherein the processor uses the compressor data of the determined refrigerant compressor and uses the motor data of the determined drive motor to

Abstract: A household cooling appliance has a dispenser unit for dispensing liquid and/or ice. The dispenser unit is an actuation element for starting the dispensing of liquid and/or ice. A communication unit is configured for input and recognition of speech signals. A control unit is configured for performing at least one operating function of the dispenser unit depending on the recognized speech signal, and a starting signal for starting a speech signal input mode of the communication unit. There is also described a method for operating a household cooling appliance.

Abstract: A household cooling appliance includes an ice maker unit for making ice, wherein the ice maker unit has a container, in which the ice is stored, a weight detection unit for determining the weight of the container, and an evaluation unit, which is configured for determining a filling level of the container with ice depending on the weight.

Abstract: A household cooling appliance has an ice maker unit for making ice, wherein the ice maker unit includes a container, in which the ice is stored, a weight detection unit for capturing the weight of the ice in the container, and a display unit with a display field for displaying the weight of the ice made.

Abstract: The invention relates to a cabinet used for freezing or storing food, medical or biological products, using a cryogenic fluid as cooling fluid, said cabinet being of the type that is: provided with one or more convection fans located in the enclosure of the cabinet and capable of moving the air inside the cabinet and thus of contributing to the thermal exchange that occurs therein; and provided with a system for extracting the gases formed in the enclosure of the cabinet due to the vaporization of said cryogenic fluid, said extraction system including an extraction tube connecting to one wall of the cabinet and linking the enclosure to the outside; characterized in that it includes a flap, located on said wall, at the point where the extraction tube enters the cabinet, and extending into the cabinet, the shape, position and direction of said flap making it possible to divert all or part of the turbulence created by the or said convection fans towards the extraction tube.

Abstract: Closures for opening and closing the access openings of enclosures can include an adjusting feature that allows misalignments of the closures, in relation to seating surfaces at the access openings, to be corrected. A closure can include a closure inward surface that includes a closure inward surface seating site that is configured to engage an enclosure seating site at the access opening when the access opening is closed by the closure. At least one mounting bracket can be adjustably secured to the closure inward surface so as to be positionable at selected distances inwardly and outwardly of the closure inward surface. The at least one mounting bracket can be configured to have mounted thereto a system by means of which the closure can be supported for travel along a path away from and toward the access opening upon the opening and closing, respectively, of the access opening by the closure.

Abstract: A temperature homogenizing container and a refrigerator having same. The container comprises a body and an accommodating space that is enclosed by the body. The body comprises several capillary tube cavities provided therein and allowing flow of a heat exchange medium. A micro-tooth structure is provided on the inner wall of each capillary tube cavity. The heat exchange medium may flow in the capillary tube cavities along an extension direction of the capillary tube cavities. By setting the container body to comprise several capillary tube cavities therein, the temperature homogenizing effect and heat exchange efficiency of the container are improved; by providing the micro-tooth structure, the heat exchange efficiency is further improved; the temperature difference of different areas in the container is reduced, and temperature homogenization in the container is achieved.

Abstract: A domestic appliance device, particularly a domestic refrigerator device, contains at least one appliance body having at least one rear wall, at least one shelf unit, and at least one retainer unit provided for retaining the shelf unit. In order to improve the properties of a device of this type and allow advantageous shelf unit retention, the retainer unit, in at least one operating state in which the shelf unit is fully situated in the appliance body, is provided to mount the shelf unit such that it can be displaced in at least one direction directed at least substantially parallel to the rear wall and at least substantially horizontally.

Abstract: A door ajar detection system is provided. The door ajar detection system may be incorporated in a refrigerator to provide a warning when a door is left in an open position, or to prevent a false door-closed detection. The system utilizes like magnetic poles of magnets positioned opposite to each other to push one or more doors in a refrigerator into a full open position such that a door ajar detection assembly may provide an accurate reading. A latch assembly may be provided to hold the one or more doors in a closed position against the force of the like magnetic poles.

Abstract: An air dispenser for a paint drying chamber having a housing with a top, bottom, and a curvilinear wall extending between the top and the bottom. The wall has an elongated outlet extending between the top and the bottom and an air outlet is formed in the top or the bottom. The wall is generally circular in cross-sectional shape but with an outwardly protruding wall section adjacent the air outlet.

Abstract: A method for heating ware in a kiln. The ware space of the kiln includes a plurality of temperature control zones oriented in a first direction, and a plurality of temperature control zones oriented in a second direction. The method includes heating the ware space in a first heating stage, a second heating stage, and a third heating stage. At least one of the following conditions is satisfied: (i) in one of the heating stages, a temperature control zone oriented in the first direction has a setpoint temperature that is different from a setpoint temperature of one other temperature control zone oriented in the first direction; and (ii) in one of the heating stages, one temperature control zone oriented in the second direction has a setpoint temperature that is different from a set point temperature of one other temperature control zone oriented in the second direction, wherein the first direction is a vertical direction and the second direction is a horizontal direction.

Abstract: A direct flame impingement system for preheating metal pellets before charging into a melting furnace, wherein the pellets are transported by a conveyor belt to a chute discharging into the melting furnace, including a refractory-lined preheater hood including a chute hood covering the chute and a conveyor hood covering at least a portion of the conveyor belt, the preheater hood having an entrance end through which pellets enter and an exit end through which pellets exit toward the melting furnace, and at least one bank of burners each containing at least one burner disposed in the hood positioned to direct flames into contact with the pellets being transported to preheat the pellets prior to discharge into the melting furnace.

Abstract: A spiral finned condenser is provided, which comprises: a condensing pipe and a fin; the fin is spirally wound on a surface of the condensing pipe; the condensing pipe forms a cubic structure by means of a plurality of turns and bends. The condenser further comprises a fixing bracket which is clamped and fixed on the condensing pipe. The condenser has the advantages of having a small size, a compact structure and good cooling effects.

Abstract: A cooling assembly for a service vehicle is provided. The cooling assembly includes a frame arranged to define an internal cavity, with the frame having six faces: —a bottom face, a top face, and four side faces. The first face is configured to be mounted on the service vehicle. Three of the four side faces are each configured to have at least one cooler mounted thereon. A remaining one of the four side faces is positioned proximate to and facing an engine of the service vehicle and has a barrier element provided thereon to restrict drawing air therethrough.

Abstract: In a plate heat exchanger, a bypass passage and a main passage are formed upstream of first passages and second passages between adjacent ones of first heat transfer plates and second heat transfer plates. The bypass passage allows first fluid flowing from an inflow port of the first fluid or second fluid flowing from an inflow port of the second fluid to pass a side farther than a corresponding one of adjacent holes while spreading in a vertical direction in a front view and then flow into an inner fin or a corrugated heat transfer surface. The main passage allows the first fluid flowing from the inflow port of the first fluid or the second fluid flowing from the inflow port of the second fluid to directly flow toward the inner fin or the corrugated heat transfer surface without routing through the bypass passage. A flat space is formed around an entire circumference of each of the adjacent holes, between a circumferential wall and the inner fin or the corrugated heat transfer surface.

Abstract: A loop heat pipe includes a first loop heat pipe including a first evaporator, a first condenser, a first liquid pipe, and a first vapor pipe forming a first loop together with the first liquid pipe, a second loop heat pipe including a second evaporator, a second condenser, a second liquid pipe, and a second vapor pipe forming a second loop together with the second liquid pipe, and a connecting part to connect the first condenser and the second evaporator. The first loop and the second loop are separate and independent from each other. The first loop heat pipe, the second loop heat pipe, and the connecting part are integrally formed by a metal.

Abstract: A rotor system including a rotor hub, and a plurality of rotor blades. Each of the plurality of rotor blades includes a hub end. A plurality of rotor blade actuators is operatively connected to the hub end of a corresponding one of the plurality of rotor blades. A fairing is mounted to the rotor hub. The fairing includes an external surface and an internal surface defining an interior portion. The hub end and rotor blade actuator of each of the plurality of rotor blades is arranged in the interior portion. A cooling system is arranged in the interior portion. The cooling system includes a first heat exchanger thermally connected to each of the plurality of rotor blade actuators, a second heat exchanger mounted to the fairing, and at least one fluid conduit extending therebetween.

Abstract: The invention provides a method for reclaiming heat from a fluid, the method having the steps of contacting the fluid to a phase change material for a time sufficient to increase the temperature of the material and or liquefy some of it; and contacting the material to a second fluid for a time sufficient to increase the temperature of the second fluid and to decrease the temperature of the material or to solidify some of it. The invention also provides a system to reclaim heat from a first fluid, the system having a first void space containing phase changing material, and a second void space in thermal communication with the first void space. The system functions as an efficient thermal storage buffer when heat supplied from the first fluid is not equal to the heat received by the second fluid at any instant of time.

Abstract: A heat exchange conduit includes a body having a first portion including a first flow channel and a second portion including a second flow channel. A cross-section of the heat exchange conduit varies over a length of the heat exchange conduit.

Abstract: A heat exchanger for an apparatus including a burner has at least one tube extending along a centerline from an inlet end adjacent the burner to an outlet end. A plurality of indentations is formed in the tube adjacent the inlet end and extend radially inward towards the centerline. The indentations are formed in opposing pairs extending towards one another to a depth sufficient to create turbulent fluid flow through the inlet end of the tube.

Abstract: A heat exchanger assembly can include a support structure, a heat exchanger, and an air guide. The heat exchanger can be mounted to the support structure. The heat exchanger and the support structure can cooperate to define a gap. The air guide can block the gap to guide an airflow toward a core of the heat exchanger. The air guide can include a proximal end and a distal end. The proximal end can be coupled to the support structure. The distal end can extend a first distance from the proximal end in a first condition and can extend a second distance from the proximal end in a second condition. The second distance can be less than the first distance.

Abstract: An air conditioner and a method of manufacturing the same are disclosed. The air conditioner includes an indoor heat exchanger and an outdoor heat exchanger, each including a plurality of refrigerant pipes and at least one connection pipe for interconnecting the refrigerant pipes, a welding hole formed in the connection pipe by punching, and a welding ring mounted over the welding hole, wherein portions of the refrigerant pipes are inserted into the connection pipe through inlet ends of the connection pipe, the welding hole is located between ends of the refrigerant pipes and the inlet ends of the connection pipe, and the connection pipe is bonded to the refrigerant pipes by heating at least one selected from between the refrigerant pipes and the welding ring.

Abstract: A multiple tube-type heat exchanger (25) is provided with a cylindrical heat exchanger shell (36) and a heat transfer tube unit (38) which is mounted in a removable manner within the heat exchanger shell ( 36). The heat transfer tube unit (38) is provided with a plurality of heat transfer tubes (50) extending inside the heat exchanger shell (36) in the longitudinal axis direction; a binding member (51) serves also as this binding member) for binding the heat transfer tubes (50); and a plurality of rotary journal sections (51, 52) which are concentric with the center axis (CL) of the heat transfer tube unit (38), are provided at positions located at a distance from each other in the direction of the center axis (CL), and enable the heat transfer tube unit (38) to be supported by predetermined rotation support sections provided outside the heat exchanger shell (36).

Abstract: The present invention relates to a method for connecting tubes (125) of a tube bundle heat exchanger to a tube plate (130) of the tube bundle heat exchanger, wherein the tubes (125) are cohesively connected to the tube plate (130) by laser welding, during the course of which a laser beam (211) is generated and is focused on a location to be welded in a connecting region (250) between tube (125) and tube plate (130), wherein the laser beam (211) is moved so as to perform a first movement over the connecting region (250) and a second movement which is superposed on the first movement and which differs from the first movement, and wherein, by means of the second movement, melt bath dynamics are influenced in targeted fashion and/or a vapour capillary that forms is modified in targeted fashion.

Abstract: Various aspects as described herein are directed to a radiative cooling apparatuses and methods for cooling an object. As consistent with one or more embodiments, a radiative cooling apparatus includes an arrangement of a plurality of different material located at different depths along a depth dimension relative to the object. The plurality of different material includes a solar spectrum reflecting portion configured and arranged to suppress light modes, thereby inhibiting coupling of the incoming electromagnetic radiation, of at least some wavelengths in the solar spectrum, to the object at a range of angles of incidence relative to the depth dimension. Further, the plurality of material includes a thermally-emissive arrangement configured and arranged to facilitate, simultaneously with the inhibiting coupling of the incoming electromagnetic radiation, the thermally-generated electromagnetic emissions from the object at the range of angles of incidence and in mid-IR wavelengths.

Abstract: A drive system for driving a fan in a wet cooling tower, wherein the fan has a fan hub and fan blades attached to the fan hub. The drive system has a high-torque, low speed permanent magnet motor having a motor casing, a stator and a rotatable shaft, wherein the rotatable shaft is configured for connection to the fan hub. The drive system includes a variable frequency drive device to generate electrical signals that effect rotation of the rotatable shaft of the motor in order to rotate the fan.

Abstract: Systems and methods for an adjustable gas block are described. Systems may include an adjustment subassembly. The adjustment subassembly may include a valve stem end with a front-most portion larger in diameter than the rear-most portion and a boss extending from the forward portion of the valve stem end; a valve ring surrounding the boss of the valve stem end; a valve threaded portion for receiving the boss of the valve stem end and having a threaded portion; and a valve rotator coupled to the valve threaded portion for adjusting the flow of gas. Systems may include a gas block assembly. The gas block assembly may include a gas block through hole; a first duct to direct pressurized gas from a barrel to a plenum; a second duct to direct a regulated volume of gas to a gas operating system; a seat valve to control the regulated volume of gas to the gas operating system; and a gas block threaded portion for coupling to the valve threaded portion.