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 thermal, mechanical, and/or optical controls.

Abstract: A metalized layer can be used as a light source with a light effect material and a transparent space to create a reflected light material viewing effect in which a viewer perceives reflected light as a dispersed light effect viewing pattern rather than as a reflective light pattern viewing the same light path with the light effect material removed.

Abstract: A lighting device that protects a member related to light emission from heat associated with light emission includes a light source, a first optical member configured to transmit light emitted by the light source, a second optical member, arranged between the light source and the first optical member, configured to transmit light emitted by the light source, and an air-sending mechanism configured to send air suctioned from a first space that is an inner space on a side nearer to the light source than the second optical member and includes the light source to a second space that is a space between the first optical member and the second optical member.

Abstract: An illumination fan includes a housing, a fan blade, a light guiding component and a light source. The housing defines a fan space and an accommodation space. The fan blade is disposed in the fan space. The light guiding component surrounds the fan blade, and at least part of the light guiding component is disposed in the accommodation space. The light source is disposed in the accommodation space and located below the light guiding component.

Abstract: A fire tube with three hollow tube sections, two of which are parallel to each other and one of which is perpendicular to and connects the ends of the first two tube sections. The bottom-most tube section, which contains the burner, has an inner ceramic liner that is made up of one or more separate ceramic tubular sections. An upper set of cooling funs surrounds the top part of the bottom-most tube section, and a lower set of cooling fins surrounds the bottom part of the bottom-most tube section.

Abstract: A combustion kiln system, comprising: a pre-heating chamber which is supplied with waste product; and a combustion chamber which receives the waste product from the pre-heating chamber and in which the waste product is incinerated; wherein the pre-heating chamber heats the waste product to remove moisture from the waste product prior to transfer to the combustion chamber.

Abstract: A combustion/pyrolization system comprising a combustion/pyrolization chamber supported by the base frame, and a perforated grate forms a bottom surface of the combustion/pyrolization chamber and facilitates passage of char and boichar therethrough. The combustion/pyrolization chamber is open along at a top and an air manifold supplies a first source of combustion air across the top of the combustion/pyrolization chamber to form an air curtain. A char collection/transfer chamber is located below the perforated grate for collecting at least the char and boichar that passes therethrough, and a conveying mechanism transfers the char and boichar out of the combustion/pyrolization system for collection and use. An air plenum chamber cools the char collection/transfer chamber such that the supplied secondary air becomes heated, and the heated secondary air flows into the char collection/transfer chamber and through the perforated grate into the combustion/pyrolization chamber to provide secondary combustion air.

Abstract: A thermal oxidizer (50) employing an oxidation mixer (51), an oxidation chamber (52), a retention chamber (53) and a heat dissipater (54) forming a fluid flow path for thermal oxidation of a waste gas. In operation, the oxidation mixer (51) facilitates a combustible mixture of the waste gas and an oxidant into an combustible waste gas stream. A heating element (55) of the oxidation chamber (52) facilitates a primary combustion reaction of the combustible waste gas stream into an oxygenated waste gas stream. The retention chamber (53) facilitates a secondary combustion reaction of the oxygenated waste gas stream into oxidized gases. The heat dissipater (54) atmospherically vents of the oxidized gases. An oxidization controller (61) may be employed to regulate the operation of the thermal oxidizer (50), and a data logger (63) and a data reporter (65) may be employed for respectively logging and remotely reporting a regulation of the thermal oxidizer (50) by the oxidation controller (61).

Abstract: A method for modulating a valve regulating the flow rate of gas towards a burner is presented. The valve with the associated closure member configured to operate with a predetermined characteristic curve, the flow rate delivered being proportionally related to the strength of a first current signal sent to the modulator such that the flow rate can be modulated, using the proportionality, within a range of modulation between a maximum flow rate and a minimum flow rate. To deliver controlled gas flow rates that are below the minimum flow rate, the modulator is driven with a second PWM voltage signal capable of generating a particular second PWM current signal, to move the closure member of the valve according to the second signal. First and second time intervals correspond to successive durations of high signal and low signal, respectively, the sum being equal to a period of the second signal.

Abstract: A system and controller where the pressure of the air is continuously monitored or read at a designated exhaust point and adjustments made to the flow of the air and gas to keep the efficiency of the appliance at a maximum to control the appliance (or the burner for an appliance) within specifications as dictated by the customer or consumer rather than training the user.

Abstract: There is disclosed a fuel injector arrangement for a gas turbine engine, the fuel injector arrangement comprising: a fuel spray nozzle comprising an engaging feature; and a burner sleeve comprising a swirler; wherein the burner sleeve comprises a connecting feature. The engaging and connecting features are engageable so as to removably couple the fuel spray nozzle to the burner sleeve and inhibit relative movement between the fuel spray nozzle and the swirler. A method of assembly of a fuel injector arrangement is also disclosed. The method comprises providing a fuel spray nozzle comprising an engaging feature; and providing a burner sleeve comprising a swirler; wherein the burner sleeve comprises a connecting feature. The method further comprises bringing the engaging and connecting features into engagement so as to removably couple the fuel spray nozzle to the burner sleeve and inhibit relative movement between the fuel spray nozzle and the swirler.

Abstract: A fireplace system can comprise a firebox and a heat exchanger. The heat exchanger may be in fluid communication with ambient air and may comprise an inlet configured to draw air into the front of the heat exchanger. Operation of a fireplace system comprising a heat exchanger may produce airflow through the heat exchanger by natural convection. The airflow through the heat exchanger may reduce heat transmission from the firebox and the fireplace system.

Abstract: A cooking appliance includes a body having a cooking chamber, a door connected to the body by a hinge mechanism to open or close the cooking chamber, and a sensor module inserted into or withdrawn from the body through a wall of the body and configured to come into contact with or be spaced apart from the hinge mechanism according to opening and closing of the door.

Abstract: A cooking appliance includes a body having a cooking chamber, a door rotatably connected to the body, hinge mechanisms that rotatably connect the door to the body, a control device disposed at the door, and a wire connected to the control device. The door includes a front panel that seats the control device, an intermediate panel spaced apart from the front panel and disposed rearward of the front panel toward the cooking chamber, a rear panel spaced apart from the intermediate panel and disposed rearward of the intermediate panel toward the cooking chamber, a pair of side frames disposed at both lateral sides of the intermediate panel and disposed vertically below the control device, and a lower frame configured to support the intermediate panel and the rear panel. At least one of the side frames includes a wire guide configured to guide the wire to the control device.

Abstract: A cooking appliance includes a body that defines a cooking chamber therein, a door rotatably connected to the body and configured to open and close at least a portion of the cooking chamber, a hinge mechanism that rotatably connects the door to the body, and a control device disposed in the door. The control device includes a control housing that is configured to accommodate one or more components of the control device and that includes a first sidewall that defines an air inlet, and a second sidewall that defines an air outlet, an inlet-side cooling fan disposed at a first position of the control housing closer to the air inlet than the air outlet, and an outlet-side cooling fan disposed at a second position of the control housing closer to the air outlet than the air inlet.

Abstract: A latch module includes a latch including a hook for engaging with a pin, a spring that applies a force to move the latch in a first direction; and a motor to pivot the latch. The hook is opened at a front end toward the first direction that opens to an engaging surface provided in the hook for engaging with the pin and the engaging surface includes a disengaging inclined surface that is disposed at a front end portion of the hook and a secure lock surface that is disposed behind the disengaging inclined surface. The disengaging inclined surface has an inclined surface inclined in the first direction and the secure lock surface has an inclined surface inclined in a second direction opposite the first direction. In a first basic position of the latch, the disengaging inclined surface of the hook is positioned to engage with the pin. In a second basic position of the latch, the engaging surface of the hook is positioned to release the pin.

Abstract: The present invention relates to a domestic appliance, in particular domestic oven, comprising: —a treatment chamber; —at least one inner panel (6) and one outer panel (1) for allowing insight into the interior of the treatment chamber from the exterior; —at least one optical monitoring device (4) for optically monitoring at least a part of the interior of the treatment chamber through the inner panel (6) and the outer panel (1); —at least one optical shade element (2) for at least partially preventing irritating light from reaching an optical sensor of the optical monitoring device (4); characterized in that the optical monitoring device (4) is arranged on a side of the outer panel (1) opposite to the treatment chamber side of the outer panel (1) and in a distance to the outer panel (1), and wherein the optical shade element (2) is arranged in an intermediate space between inner panel and outer panel (1) and circumferentially encloses at least partially the optical path (9) of the optical monitoring device (

Abstract: A cooking appliance includes a main body that defines a cooking chamber configured to receive one or more objects, a steam generator configured to generate steam to heat the one or more objects in the cooking chamber by steam, a water tank configured to store water and to supply water to the steam generator, a water supply pipe configured to cause supply of water from the water tank to the steam generator, a steam supply pipe configured to supply steam generated by the steam generator to the cooking chamber, and a return pipe that is connected to the steam supply pipe and to the steam generator. The return pipe is configured to allow water discharged to the steam supply pipe to return to the steam generator.

Abstract: A method of controlling a household range hood, comprising: programming a suction device and/or of a further electric load, preferably of a light source, of the range hood through an electronic control unit connected in signal communication to the range hood to schedule a plurality of operation modes and/or a plurality of working times of the suction device and/or of the further electric load during a time period.

Abstract: A method of controlling an electrical household system, comprises: starting a pyrolysis process in an oven, wherein the oven is connected or configured to be connected in signal communication to a household range hood; starting a suction device of the household range hood as a function of a communication signal from the oven, wherein said signal is correlated to the pyrolysis process in the oven.

Abstract: An extraction hood of the up-and-down type for extracting fumes and/or vapours generated on a hob includes a fixed first hood portion (2) and a second extraction hood portion (4) set at a distance from the first extraction hood portion (2) and close to the hob, the second hood portion containing an extraction device (6) capable of drawing in air containing fumes and/or vapours from the hob and directing it towards an opening (11) in the second hood portion (4) to be discharged therefrom and passed towards the first hood portion (2). A conveyor (10) for the discharged air is provided at the opening (11) of the second hood portion (4). The conveyor includes a body (30) having a tubular annular shell (31) containing a honeycomb structure (32) with a number of tubular cells (42) through which the air leaving the second hood portion (4) is discharged.

Abstract: A mineral wool insulating product having improved off gassing characteristics is particularly adapted for high temperature applications.

Abstract: A district energy network interconnecting a plurality of thermal loads and for redistributing thermal energy therebetween, the network comprising: a primary circuit loop for working fluid, at least two thermal loads thermally connected to the primary circuit loop, at least one of the thermal loads being capable of taking heat from the primary circuit loop and at least one of the thermal loads being capable of rejecting heat into the primary circuit loop, an energy centre connected to the loop and capable of acting as a heat source or a heat sink, and a control system adapted to provide to the primary circuit loop a positive or negative thermal input from the energy centre as a balancing thermal input to compensate for net thermal energy lost to or gained from the at least two thermal loads by the primary circuit loop.

Abstract: An apparatus and method for cleaning split system air conditioning units. The apparatus comprises a shield functioning as a moisture barrier that sits between the wall and the AC unit and which releasably receives a drain pan that interconnects with the bottom of the shield to form a water tight seal. A flexible tube connects the bottom of the drain pan to a collection receptacle. Water and chemical sprayed into the unit to clean the unit drain through the unit, into the drain pan, through the tubing, and are collected by and can be disposed of from the receptacle. After the AC unit is cleaned, the drain pan, tubing and collection receptacle are removed leaving the area clean and dry. Kits comprising the apparatus of the invention can be sold together with new AC units or purchased separately.

Abstract: Disclosed herein is an outdoor unit for an air conditioner including a blowing apparatus for reducing suction loss of a propeller fan generated in corners of a housing and achieving high efficiency of blowing and low noise. The blowing apparatus includes a housing including a wall in which an outlet is formed, a propeller fan positioned in the inside of the housing, the propeller fan facing the outlet, and a diffuser positioned at a discharging side of the propeller fan, and forming the outlet, wherein the diffuser includes an inclined surface inclined with respect to a rotation axis of the propeller fan, and an inclination angle of the inclined surface to the rotation axis of the propeller fan changes according to a circumferential direction of the diffuser.

Abstract: The AirMePad small design makes it easy and affordable to provide quick and easy air to the face or air to push particles away from the eyes and nose to help improve breathing cleaner air. It also provides simple and quick LED lighting to help reading at night or in dark places or moving around just by the touch of your fingers. It can be used under the hat, on an automobile visor, computer monitor, and many other places to help people easily cool off and push air particles away.

Abstract: A vent pipe, including: a top plate; two side plates; a base plate; and an air channel formed by the top plate, the two side plates, and the base plate; and an air deflector. The air channel includes a first air inlet and a first air outlet. The air deflector is disposed on the base plate and located on one side of the first air outlet. Also provided is a blower, including a motor; a volute; a blade wheel; and the vent pipe. The volute includes a chamber and the blade wheel is disposed in the chamber. The volute includes a second air inlet and a second air outlet both communicating with the chamber. The motor is disposed on the volute. The vent pipe communicates with the second air outlet.

Abstract: An air-conditioner unit comprising: a temperature regulation unit having an evaporator; a condensate filtration unit arranged to receive a condensate from the evaporator, and operable to filter the condensate; wherein the air-conditioner unit comprises a controller to operate the condensate filtration unit between a plurality of purging states, the plurality of purging states comprises a first purging state wherein the condensate is purged bypassing the condensate filter unit and a second purging state wherein filtered condensate is purged.

Abstract: A server is provided. The server includes a communication device configured to receive operation information from an air conditioner, a memory configured to store information of a plurality of groups and a cooling capacity prediction model for predicting a cooling capacity that corresponds to each of the plurality of groups, and a processor to map the air conditioner to one group among the plurality of groups based on the received operation information, and control the communication device to enable the air conditioner to use the cooling capacity prediction model corresponding to the mapped group.

Abstract: A heating, ventilation and air conditioning (HVAC) controller, a method of detecting multiplexed input signals and an HVAC system employing the controller or the method. In one embodiment, the HVAC controller includes: (1) a signal conditioner configured to convert received alternating current (AC) input signals into corresponding square wave signals of a digital logic voltage, (2) a multiplexer coupled to the signal conditioner and configured to select one of the square wave signals and (3) a sample analyzer coupled to the multiplexer and configured to evaluate multiple samples of the selected one of the square wave signals to derive a binary state.

Abstract: An expectation module determines an expected average power consumption of a heat pump for a predetermined period as a function of indoor and outdoor temperatures of the building during the predetermined period. A difference module determines a power difference between an average power consumption of the heat pump during the predetermined period and the expected average power consumption of the heat pump for the predetermined period. A grade determination module determines a grade of the heat pump for the predetermined period based on the power difference of the predetermined period. A reporting module generates a displayable report including the grade of the heat pump for the predetermined period.

Abstract: An air conditioner control method includes: obtaining a current ambient temperature when the air conditioner is being powered on, and selecting a current operational parameter corresponding to the current ambient temperature from stored optimal operational parameters which are paired with historical ambient temperatures; performing a control process on the air conditioner according to the current operational parameter; wherein a one-to-one correspondence between the historical ambient temperatures and the optimal operational parameters obtained by a process including: obtaining a continuous running time since this start, how many times operational parameters being modified since this start and a ambient temperature since this start as receiving a power-off signal; obtaining an allowed modification times of operational parameters during the running duration, which corresponds to the continuous running time since this start, if the times of the operational parameters being modified obtained is not greater than

Abstract: A performance diagnosis device for an air conditioner includes: a data collection unit that collects and records operation data on the air conditioner; an equipment characteristic database that is a data group covering operation conditions meeting the specifications of the air conditioner; a reference data creation unit that calculates individual characteristic curved surface data by using the operation data possessed by the data collection unit and the equipment characteristic database; and a performance evaluation unit that compares part of the operation data possessed by the data collection unit with the individual characteristic curved surface data to evaluate the performance of the air conditioner, in which the individual characteristic curved surface data is corrected with respect to the equipment characteristic database so as to correspond to the operation data possessed by the data collection unit.

Abstract: The present invention provides systems and methods where an intelligent thermostat optimizes operation of HVAC system by learning based on thermal profile of a zone and improvising past performance with the goal of energy and cost savings while managing user comfort. The systems and methods further use adaptive clustering to dissect huge problem space, and dynamic collaboration strategy between thermostat units to rapidly enhance performance.

Abstract: A steady-state data processing method includes: S110, resetting a cumulative change of target determination data and a data detection period as 0; S120, obtaining the detected target data; S130, calculating the cumulative change of the target data; S140, when the calculated cumulative change of the target data is less than its preset threshold, adjusting the data detection period and returning to S120; or recording a data detection period when a cumulative change of any of the target data is not less than its preset threshold; S150, when the recorded data detection period is less than its preset time threshold, determining a target data result obtained in the period as unsteady-state data of the device; or when the recorded data detection period is not less than the preset time threshold, determining the target data obtained in the data detection period as steady-state data.

Abstract: An environmental conditioning system for conditioning the environment of an occupiable region includes environmental conditioning hardware and a controller. The controller includes an occupancy module configured to receive ingress data associated with occupants entering the occupiable region for each of a first plurality of ingress iterations of a first prescribed time period. The controller further performs a first ingress rolling mean of the ingress data over the first plurality of ingress iterations, and compares at least the first ingress rolling mean to a first occupancy threshold. If the first occupancy threshold is exceeded by the first ingress rolling mean, the controller outputs a start command to the environmental conditioning hardware.

Abstract: A building management system includes a controller configured to control building equipment by providing a control input to the building equipment for each of the plurality of time steps and generate a set of training data for a system model for the building. The training data includes input training data and output training data for each of the plurality of time steps. The controller is further configured to perform a system identification process to identify parameters of the system model. The system identification process includes predicting, for each time step, a predicted value for one or more of the output variables for each of a plurality of subsequent time steps, generating a prediction error function by comparing the output training data to the predicted values, and optimizing the prediction error function to determine values for the parameters of the system model that minimize the prediction error function.

Abstract: A heat exchanger for exchanging heat between first and second duct portions of a ventilation system includes first and second heat pipe portions in the first and second duct portions, respectively. Each heat pipe portion can be a heat pipe subassembly including one or more vertical heat pipes fluidly coupled to top and bottom headers, which are respectively connected to the top and bottom headers of the other subassembly to form a refrigerant loop. One or more flow restrictors can block air flow through a respective section of the first or second duct portion. The blocked section can be operatively aligned with a segment of the respective heat pipe portion along which there is a low probability of refrigerant phase change. Each flow restrictor can be an adjustable damper. The damper(s) can be selectively opened and closed as the ventilation system switches between heating and cooling modes.

Abstract: A flange to be assembled to a duct member includes a plurality of pre-fabricated apertures or areas of weakened wall strength for receiving fasteners to assemble the flange to the end of a duct member. The apertures may be spaced apart such that the fasteners can be inserted at regular intervals along the length of the flange and the length of the end of the duct member.

Abstract: An arc element for a ventilation system has at least one oval opening and a flow cross-section with a minimum radius of curvature, which has at least the size of one tenth of the smallest diameter of this flow cross-section.

Abstract: Aspects of the disclosure relate to a front grille and a motor vehicle hood assembly, as well as methods of installing the front grille to the hood assembly. The front grille includes a peripheral frame with left and right members and a plurality of fasteners extending rearward from the left member and the right member. The hood assembly includes medially extending tab members and insertion gaps arranged proximate to left and right sides of a front aperture defined in the hood assembly. Each tab member is separated from each other tab member by at least one of the insertion gaps. During mounting, the plurality of fasteners of the front grille are inserted into the insertion gaps, and the front grille is slid upward relative to the hood assembly, causing the fasteners to slidably engage the tab members. Sliding engagement of the fasteners reduces stress on the front grille from hood deflection.

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a heat pump having a housing. The HVAC system also includes an energy recovery ventilator (ERV) or heat recover ventilator (HRV) integrated with the heat pump such that an access panel to the ERV or HRV faces outwardly from the housing of the heat pump, and such that the access panel is accessible at an outer boundary of the housing.

Abstract: An adapter curb for supporting a new HVAC unit on an existing HVAC curb at a work site is disclosed. The adapter curb can include an adapter curb frame including an upper end sized to mate with the new HVAC unit, a lower end sized to mate with the existing HVAC curb, and peripheral walls having an interior surface. One or more components can be pre-installed on the adapter curb frame, including but not limited to an electrical connection assembly, upper and lower sealing elements, interior insulation, one or more wind brackets, and/or a plurality of lifting flanges. The adapter curb with pre-installed features can help reduce installation time on site. A method of installing a new HVAC unit onto an existing HVAC curb with an adapter curb having pre-installed components is also disclosed.

Abstract: A portable blowup underpinning disposed on a bottom surface of a trailer, the portable blowup underpinning including a center portion to contact the bottom surface of the trailer, a perimeter portion disposed around the center portion, and a hot air blower disposed on the perimeter portion to supply air to the perimeter portion.

Abstract: Provided are a superhigh temperature heat pump system and method capable of preparing boiling water not lower than 100° C., belonging to the technical field of heat pumps. The system comprises a compressor (1), primary and secondary evaporators (5, 6), an expansion mechanism (4), primary and secondary condenser/coolers (2, 3), water pumps (7, 8, 13), water tanks (9, 10), and a valve (14). The solution is based on the compressor exhaust heat enthalpy utilization minimum entropy gain principles/technology, and utilizes exhaust heat enthalpy sensible heat and latent heat in stages. The present invention has an output water temperature higher than 100° C., expands the functions of current heat pump water heaters which can only prepare hot water lower than 100° C., and can replace electric water heaters, save energy and increase energy utilization rates.

Abstract: A solar energy utilization system includes a solar heat collector that is mounted to a glass surface of a building from the interior and that heats a heating medium by heat energy obtained by taking in solar energy, and an inner glass that is provided on the solar heat collector on the interior side of the building and that uses the heating medium from the solar heat collector on the interior side. A far-infrared cut-off process is applied to the inner glass so that both the absorptivity and emissivity and transmittance of far-infrared rays with a wavelength of at least 9 ?m to 10 ?m are 20% or less.

Abstract: The present disclosure is directed to multi-stage falling particle receivers and methods of falling particle heating. As the particles fall through the receiver, the particles are periodically collected and released by flow retarding devices. The periodic catch-and-release of the particles falling through the receiver reduces particle flow dispersion, increases particle opacity and solar absorption, and reduces erosion and damage to surfaces caused by direct particle impingement.

Abstract: A cryogenic refrigerator system with heaters is constructed in modular form to serve as a portable servicing system to warm up and then cool down a target object by circulating a gaseous cryogen through a target object cryostat without moving the target object or breaking its vacuum. The main module is a refrigerator cryostat containing a fan that circulates gas through one or more heat exchangers which can warm or cool the gas by heaters and by one or more GM or Brayton cycle expanders. Additional components including one or more compressors, a gas charge and vent assembly, a control system, gas lines, power lines, and vacuum jacketed transfer lines can be assembled in the main module or additional modules. An example is a system that can be wheeled through a hospital to service a MRI cryostat.

Abstract: The present invention provides a regenerator material having a high specific heat in a temperature range of 10K or higher (in particular, a temperature range of 10 to 20K), as well as a regenerator and a refrigerator provided with the regenerator material. Specifically, the present invention provides a regenerator material represented by general formula (1): Er1?xRxNi1+? (1), wherein x is 0<x<1, ? is ?1<?<1, and R is at least one member selected from Y and lanthanoids (excluding Er), as well as a regenerator and a refrigerator provided with the regenerator material.

Abstract: A refrigeration apparatus includes a refrigeration enclosure comprising outer walls defining a hermetic interior refrigeration chamber, and a porous thermally conductive foam insert within the chamber. A desiccant enclosure includes outer walls defining a hermetic interior desiccant chamber, and a desiccant within the desiccant chamber. A fluid conduit establishes a fluid connection between the refrigeration chamber and the desiccant chamber. A control valve controls the flow of a fluid through the fluid conduit. The refrigeration enclosure and an article to be refrigerated can be placed within an outer thermally insulated cooler. A method of refrigerating an article and a human-powered refrigeration system are also disclosed.