Abstract: A light-emitting device includes a substrate and a plurality of light-emitting elements disposed above the substrate. In the plurality of light-emitting elements, a first light-emitting element and a second light-emitting element different in a rate of decrease in light output along with a temperature increase are included. The plurality of light-emitting elements include: a first serial element group including some light-emitting elements connected in series among the plurality of light-emitting elements; and a second serial element group connected in parallel with the first serial element group and including some light-emitting elements connected in series among the plurality of light-emitting elements. A ratio between a total number of first light-emitting elements and a total number of second light-emitting elements is different between the first serial element group and the second serial element group.

Abstract: a light-emitting device including: a photoluminescent layer that contains a photoluminescent material and emits light including first light having a wavelength ?a in air; and a light-transmissive layer located on or near the photoluminescent layer. At least one periodic structure is defined on at least one of the photoluminescent layer and the light-transmissive layer. The at least one periodic structure has projections or recesses or both. A distance Dint between two adjacent projections or two adjacent recesses and a refractive index nwav-a of the photoluminescent layer for the first light satisfy ?a/nwav-a<Dint<?a. A wavelength A of a peak intensity in a spectrum of light output from the at least one periodic structure in a direction perpendicular to the photoluminescent layer is different from a wavelength B of a peak intensity in an emission spectrum of the photoluminescent material.

Abstract: Provided is an underwater lighting device and underwater electronic device which are comparatively inexpensive yet durable enough for long-term use. An underwater lighting unit 10, which has an internally provided light source 11 and a gas-tight case 12 with a window 13 for allowing the passage of light from the light source 11, is connected to a land-based unit 30 by a gas-sending tube 40. Air is sent from the land-based unit 30 to the underwater lighting unit 10 to maintain the pressure inside the underwater lighting unit 10 at a value slightly higher than the water pressure at the location. A power line for supplying power to the underwater lighting unit 10 and a signal line for controlling the emission of their light are installed in the gas-sending tube 40. Even if the gas-tight state of one underwater lighting unit 10 is broken, water cannot enter the underwater lighting unit 10.

Abstract: Improvements in an up-down lighting fixture that is mountable to a trunk or branch at whatever elevation that is desired to provide the required illumination to light the fronds, head or a tree as well and some lighting can be directed downward to illuminate the ground or a pathway under the tree or a wall. The lighting is secured to a tree with a first bracket that is secured to the tree and a second lighting frame that is then secured to the tree brackets. The frame is constructed from aluminum or other metals and further coated or painted to blend with the color of the trunk of the tree. The system includes optional field adjustable switched to allow for multiple levels of illumination. The lighting optics can include multiple LED color temperatures to adjust the lighting for the surroundings or to provide a desired ambiance.

Abstract: A lamp bar fixation device and a backlight source provided with the lamp bar fixation device are provided. The lamp bar fixation device comprises a back plate, a positioning clamp and a spacer, wherein the back plate is provided thereon with a positioning slot for receiving a lamp bar, the positioning clamp is positioned above the positioning slot, and the spacer is detachably mounted in the positioning clamp so as to fix the lamp bar. The lamp bar fixation device effectively improves assembling efficiency of the lamp bar and has a good heat dispersion performance. Meanwhile, the lamp bar fixation device facilitates the detachment of the lamp bar, and enables the lamp bar to be replaced without a risk of being damaged, and rework performance can be improved.

Abstract: A lighted marker for driveways, sidewalks and other various uses. The lighted marker includes a loweer housing and an upper housing. A module including an LED coupled to a battery and a circuit adapted to energize the LED is received in the lower housing through an opening. The upper housing fits over the lower housing preventing water from entering the opening. Alternatively, the module is rigidly secured to the upper housing. The upper housing includes a translucent plastic surface surrounding the LED and viewable from a 360° field of view. The LED lights the translucent surface and the upper housing surface can thereby be seen with night adjusted eyes. The lighted marker is adapted to fit on and preferably be demountably mounted on a fiberglass rod shaped stake which is adapted to be driven into the ground. An umbilical cord is attached between the stake and the lower housing.

Abstract: A lighting device provides a storage tray or cavity. The lighting device includes a head section pivotally connected to a base section via a connection assembly. The head section includes a light source, and the base section includes a storage cavity with a magnetic floor. The connection assembly allows the head section to be variably positioned relative to the base section by pivoting simultaneously about mutually orthogonal axes, one of which is fixed relative to the base section, and the other of which is movable relative to the base section. The lighting device may optionally include removable tools, such as a telescopic pick-up tool, and/or various means for attaching the lighting device to a support.

Abstract: An adjustable light bracket has a base, a track unit, and a power base. The base has a sliding base, a leading bolt, a leading nut, and a top board. The sliding base has a through hole. The leading bolt is mounted in the through hole and has a bottom abutting plate. The leading nut is mounted around the leading bolt by threads, is located in the through hole, is engaged in the through hole by a peripheral direction of the leading nut, and is moveable along the leading bolt in the through hole. The top board is mounted on the sliding base. The leading nut is limited between the bottom abutting plate and the top board. The sliding base is mounted in the track unit. The power base is mounted in the track unit and located at a position opposite the base.

Abstract: A recessed track lighting fixture and an angular adjustment mechanism for the light fixture are disclosed. The fixture includes a first side member and a second side member. A linear support track is defined between the first and second side members. A displacement member is supported by the support track and is displaceable along at least a portion of the support track. A luminaire is at least partially disposed between the first and second side members, the luminaire being supported by the displacement member and displaceable therewith. The angular adjustment mechanism includes a support bracket coupled to the housing, an arcuate slot in the support bracket and a plurality of positioning apertures. A pin is coupled to the luminaire for sliding in the arcuate slot. A positioning nub is coupled to the luminaire and can be received by a positioning aperture to position the luminaire at a desired position.

Abstract: A lamp includes a rotary adjustment mechanism, an inclination adjustment mechanism and a light source. The light source is rotatable along a first direction in a first plane by the rotary adjustment mechanism and/or rotatable relative along a second direction in a second plane by the inclination adjustment mechanism, wherein the second plane is different from the first plane.

Abstract: A light emitting device includes: a substrate; one or more LED (light emitting diode) elements mounted on a substrate; and a radiator unit made of metal paste and arranged on a rear surface opposite to a principal surface on which the one or more LED elements are mounted. The height Ta of the radiator unit from a rear surface is less than thickness Tb of substrate.

Abstract: Disclosed herein is a display apparatus having a cooling path provided to enhance cooling efficiency. The display apparatus includes a display panel configured to display images; a light source configured to radiate light toward the display panel; a bottom chassis disposed in rear of the light source; a case provided in rear of the bottom chassis; a circulative cooling path provided as to have air circulated surroundings of the bottom chassis.

Abstract: A light transmitting device has a flexible elongated substantially flat band of high clarity light transmitting polymeric material. An LED is mounted by a mounting structure immediately adjacent but not embedded in an end of the band, and electrical wiring extends from the LED to a battery. The band is incorporated in a container (e. g. backpack, fanny pack, clutch) made at least partially of fabric so that light emitted from the band is visible from the exterior of the container. A battery and printed circuit board are mounted in the interior of the container, and an electrical switch for operating the LED is accessible from the exterior of the container. A flap stitched onto the front panel of the container covers the band and holds it in place but allows light to get through.

Abstract: The present invention provides an electrical box having LED night lamp including an electrical box capable of being assembled to a wall and a LED night lamp assembled to the electrical box. The LED night lamp includes a circuit board having a switch and a LED point light electrically connected thereto. The circuit board is electrically connected to a mains supply wire. The electric connection of the circuit board and the mains supply wire is hidden in the electrical box. The electrical box having LED night lamp according to the present invention can provide a new way for the promotion of low-carbon energy saving green lighting.

Abstract: A pedestrian safety system includes a power transmission unit provided to a vehicle and transmitting an electric power, a power reception unit provided to a wearable member being wearable by a pedestrian and receiving the electric power transmitted from the power transmission unit, a power storage unit provided to the wearable member and storing the electric power received by the power reception unit, and at least one light emitting unit provided to the wearable member. The at least one light emitting unit performs a flash or illumination operation with a supply of the electric power stored in the power storage unit as an operational power. With this pedestrian safety system, pedestrian's safety can be properly ensured without disposing an operational power source of the light emitting unit on the pedestrian side.

Abstract: A user interface device for a saw is mounted to an exterior of a housing in the saw. The user interface device includes a light emitting diode (LED) mounted on a printed circuit board (PCB), an antenna formed on the PCB, an optically opaque member with a first opening and a second opening, the first opening aligned with the LED, an optically translucent member engaging the second opening of the optically opaque member, and a base member connected to the PCB, optically opaque member, and optically translucent member, the base member being configured to be mounted to an exterior of a housing of the saw.

Abstract: A system for removing impurities from post-combustion gas includes an oxidizer and a reducer operatively connected to the oxidizer, the reducer configured to receive the post-combustion gas. The system further includes a CLOU material capable of selective circulation between the oxidizer and reducer. The CLOU material further oxidizes impurities present in the post-combustion gas to reduce or remove the same.

Abstract: An oscillating combustor can support a time-sequenced combustion reaction having rich and lean phases by applying a variable voltage charge to a fuel stream or flame that flows adjacent to a conductive or semiconductive flame holder held in electrical continuity with an activation voltage.

Abstract: Burners, such as all kinds of fuel oil, gas and powdered coal, have combustion chambers for stabilizing combustion and air distribution. The invention discloses a forced reversal combustion chamber, which has a combustion chamber body, configured as a hollow cavity a plurality of swirl vanes for delivering combustion air into the combustion chamber, correspondingly provided on interior side of flame outlet end of the combustion chamber; in the middle of inner end of the combustion chamber, a fuel nozzle is provided, which inserts into interior wall of the combustion chamber and outlet of which extends through the interior wall of the combustion chamber; outlet end of the combustion chamber after mixing air and fuel is flame outlet. The forced reversal combustion chamber of the invention can provide good flame stabilization, high burn-off rate of fuel and good environmental protection property.

Abstract: A home cooking appliance includes a cooktop surface and a gas pedestal burner on the cooktop surface. The gas pedestal burner includes a burner portion having a sidewall, a lower surface facing the cooktop surface, a plurality of burner ports in the sidewall, and a base portion under the burner portion. The base portion elevates the burner portion in a vertical direction above the cooktop surface and has a lower mounting surface disposed on the cooktop surface. An area of a footprint of the lower mounting surface of the base portion is less than an area of a footprint of the lower surface of the burner portion.

Abstract: The present invention relates to a reverse flow prevention apparatus for common exhaust flue and a combustion apparatus having same. The reverse flow prevention apparatus for common exhaust flue, which is configured to collect exhaust gas of a plurality of combustion apparatuses, discharge the collected exhaust gas through a common exhaust flue, and prevent a reverse flow of the exhaust gas from the common exhaust pipe to each of the combustion apparatuses, includes a flange coupled to an exhaust port of each of the combustion apparatuses, an opening and closing apparatus hinge-coupled to an upper part of the flange to be opened and closed by a pressure difference between a lower portion and an upper portion thereof, and a body coupled to the upper part of the flange so as to accommodate the opening and closing apparatus.

Abstract: In a combustion system, a charge source is configured to cooperate with a collection plate and a director conduit to cause at least one particle charge-to-mass classification to be reintroduced to a flame for further reaction.

Abstract: A hold down mechanism for releasably securing a refractory lining to a furnace. The hold down mechanism can comprise plate segments that form a composite plate. The plate segments can comprise a first plate segment structured to articulate relative to a second plate segment. Furthermore, a gap in the hold down mechanism can be structured to adjust in response to a thermal condition of the composite plate, such as thermal expansion or thermal contraction of at least one plate segment. The composite plate can also comprise an articulation plate pivotally coupled to at least one of the first plate segment and the second plate segment via a pivot and/or a slot and pin engagement. The composite plate can further comprise a third plate segment and a second articulation plate pivotally coupled to at least one of the second plate segment and the third plate segment.

Abstract: A liner panel is provided for use in a combustor of a gas turbine engine. The liner panel includes a first liner panel side edge between a liner panel aft edge and a liner panel forward edge. The liner panel also includes a second liner panel side edge between the liner panel aft edge and the liner panel forward edge. The first and the second liner panel side edges are non-perpendicular to the liner panel forward and aft edge edges.

Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall, which includes a shell and a heat shield. The heat shield includes a base and a plurality of panel rails. The panel rails are connected to the base and extend vertically to the shell. The panel rails include first and second rails. A vertical height of the first rail at a first location is less than a vertical height of the second rail at a second location.

Abstract: A combustor for a turbine engine is provided that includes a combustor wall. The combustor wall includes a shell and heat shield, which is attached to the shell. One or more cooling cavities are defined between the shell and the heat shield, and fluidly couple a plurality of apertures defined in the shell with a plurality of apertures defined in the heat shield. The apertures in the heat shield include a first aperture and a second aperture. An angle of incidence between the first aperture and a surface of the heat shield is different than an angle of incidence between the second aperture and the surface.

Abstract: A multi-walled structure is provided for a turbine engine. This structure includes a shell with a textured first surface, and a heat shield with a second surface. The heat shield is attached to the shell. The first and the second surfaces vertically define a cooling cavity between the shell and the heat shield. The cooling cavity fluidly couples a plurality of cooling apertures defined in the shell with a plurality of cooling apertures defined in the heat shield.

Abstract: A structure is provided for a turbine engine. The structure includes a shell with a first surface, and a heat shield with a textured second surface and a textured third surface. The texture of a portion of the second surface is different than the texture of a portion of the third surface. The first surface and the second surface define a first cooling cavity between the shell and the heat shield. The first surface and the third surface define a second cooling cavity between the shell and the heat shield.

Abstract: A combustion chamber includes a duct wall for guiding a hot gas flow in a hot gas flow path during operation. The duct wall is a double-walled construction including an inner face, an outer face, and a wall cavity. A sleeve at least partly encloses the duct wall for guiding a cooling gas in a cooling channel between the sleeve and the duct wall along the outer surface of the duct wall to an exit end, and the cavity opens to the cooling channel. A gas turbine is disclosing as having such a combustion chamber.

Abstract: Aspects of the disclosure are directed to a liner of an aircraft. The liner comprises a panel including at least one dilution hole, a rail coupled to the panel, and at least one effusion cooling hole located between a wall of the at least one dilution hole and a side of the rail. The liner may be associated with a combustion engine of the aircraft.

Abstract: A fuel nozzle apparatus for a gas turbine engine includes: a first pilot fuel injector disposed on a centerline axis of the fuel nozzle which defines a direction of air flow through the fuel nozzle, the first pilot fuel injector being of a pressure atomizing type; an annular second pilot fuel injector at least partially surrounding the first pilot fuel injector, the second pilot fuel injector being of an air blast type and having a fuel outlet disposed axially downstream and radially outboard of the first pilot fuel injector; an annular venturi surrounding the first and second pilot fuel injectors, the venturi including a throat of minimum diameter; an array of inner swirl vanes extending between the first pilot fuel injector and the second pilot fuel injector; and an array of outer swirl vanes extending between the second pilot fuel injector and the venturi.

Abstract: A fuel nozzle for a gas turbine includes a first radial swirler and a second radial swirler that introduce radial swirl to a flow of pressurized air; a chevron splitter between the two swirlers that directs the swirled flow of pressurized air to a main mixer passage to form a fuel-air mixture with fuel injected into the fuel nozzle; and a main mixer passage that receives the fuel-air mixture from the premixing chamber, and includes a converging throat that accelerates the fuel-air mixture. A method of mixing fuel and air for combustion in a gas turbine includes introducing a radial swirl to first and second flows of pressurized air; directing the swirled, pressurized air to a premixing chamber via a chevron splitter; mixing the swirled, pressurized air with a fuel jet injected into the premixing chamber to form a fuel-air mixture; and accelerating the fuel-air mixture in the main mixer passage having a converging throat.

Abstract: A fuel nozzle apparatus for a gas turbine engine includes: an annular outer body extending parallel to a centerline axis, with an exterior surface having a plurality of openings; a main injection ring disposed inside the outer body and including: a circumferential main fuel gallery; and a plurality of main fuel orifices, each main fuel orifice communicating with the main fuel gallery and aligned with one of the openings; a venturi disposed inside the main injection ring; an annular splitter disposed inside the venturi, and including inner and outer walls spaced-apart from each other defining a splitter cavity, and a plurality of discharge holes communicating with the splitter cavity; an array of outer swirl vanes extending between the venturi and the splitter; a pilot fuel injector within the splitter; and an array of inner swirl vanes extending between the splitter and the pilot fuel injector.

Abstract: An air shield for an injector of a combustor includes a first section that extends axially from a first end to a second end, and a channel defined by the air shield. The channel includes at least one inlet proximate to the second end. The at least one inlet is configured to receive a channel airflow that is a portion of a surrounding airflow. The channel is configured to control a distribution of the channel airflow to the injector.

Abstract: An air shield for an injector of a combustor includes a first section that extends axially from a first end to a second end. The first section includes at least one side wall and a top wall. The at least one side wall and the top wall at least partially define a channel configured to distribute a channel airflow to the injector. The air shield also includes at least one first inlet defined through the at least one side wall and at least one second inlet defined through the top wall. The at least one first inlet and the at least one second inlet are configured to receive a portion of a surrounding airflow to at least partially form the channel airflow.

Abstract: A wave rotor combustor for use in a gas turbine engine includes an inlet assembly, a rotor drum, and an outlet assembly. The inlet assembly is arranged to direct a flow of gasses into rotor passages formed in the rotor drum. The rotor drum is arranged to receive the gasses. The outlet assembly is arranged to direct the gasses out of the rotor drum.

Abstract: A liner panel within a gas turbine engine includes a perimeter rail that defines a first height from a cold side. The liner panel also includes an intermediate rail that defines a second height from the cold side, where the second height is less than the first height.

Abstract: A sealed chimney damper is provided for preventing flow of air between an interior and exterior of a structure through a chimney. The sealed damper includes a damper body having an inlet aperture and an outlet aperture; an upper flange formed around the outlet aperture of the damper body; a valve plate hingedly secured to the damper body adjacent the outlet aperture, the valve plate sized to substantially cover the outlet aperture when the valve plate is in a closed position; and a gasket secured to the upper flange of the damper body and surrounding the outlet aperture, wherein the gasket is positioned between the valve plate and damper body when the valve plate is in a closed position.

Abstract: A cooking appliance is disclosed. The cooking appliance includes a cabinet defining the external appearance of the cooking appliance, a cooking unit provided in the cabinet for performing cooking using a heat source, a panel having a through hole, a heat source control unit provided at the rear of the panel, the heat source control unit having a shaft extending to the front of the panel through the through hole, a knob provided at the front of the panel in a state of being connected to the shaft for rotating the shaft according to user's manipulation, a knob ring provided between the knob and the panel for receiving at least a portion of the knob, and a knob ring holder coupled to the knob ring at the rear of the panel for allowing the knob ring to move on a front surface of the panel in a radial direction of the knob ring.

Abstract: The invention provides a radiation grill unit (1) comprising (i) a food support unit (100), for instance with bars (110), (ii) a radiation unit (200) comprising a reflector (210) (with reflector opening (223)) hosting an (electrical) IR radiation heater (220), wherein the radiation unit (200) is optionally 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) (with edge (311)).

Abstract: A wipe warmer having a container to receive liquid and sponge pad therein, where the container is placed under the wipes to keep the wipes moist. The container has a top and a support plate within, both of which are perforated allowing moisture to pass through. These perforations offset each other to facilitate efficient saturation of the sponge pad, when the sponge pad is placed between the perforated top and the perforated plate. Further, the container can be a removable basket-like structure. Alternatively, all or part of the container can be an integral part of the wipe warmer. While the wipes can be placed on top of the container, an alternative design is to place the wipes and the container side-by-side.

Abstract: The invention describes a fluid supply (100) for a household appliance especially a steam oven (200) that has improved cleaning and hygienic characteristics. A wave breaker structure (120) is removably included inside a removable fluid container (110) and can be completely separated from it for cleaning purposes. The fluid container (110) is preferably releasable having a valve (115) and being mounted inside of a steam oven (200).

Abstract: The invention provides a kitchen hood composed of several independently activated units, providing an efficient evacuation of cooking fumes from the cooking area with lowered energy demands and with less noise.

Abstract: A cooking device includes an outer case configured to form an exterior thereof; a cavity provided in the outer case and configured to form a cooking space in which food is cooked; a burner assembly installed in the cavity and configured to cook the food by burning a gas; and an air guide unit which is in communication with the burner assembly and exposes to an outside of the outer case so that air outside the outer case is guided to the burner assembly.

Abstract: A hydraulic heating and/or cooling system hydraulic manifold is constructed in a modular manner with a main module (2). At least one load module (4) is connectable to the main module (2) and includes a hydraulic connection (22, 24) for a load circuit, and a closed-loop control device (26, 28) controlling flow through the load and for connection to an identically configured further load module (4). The at least one load module (4) includes a circuit board (44) which extends between a first (34) and a second axial end (36) of the load module (4) and which at its first (34) and second end (36) have electrical couplings (50, 52) which correspond to one another. The electrical coupling (52) at the second end (36) of the circuit board (44) can electrically conductively engage with an electrical coupling (50) at the first end (34) of the further identical load module (4).

Abstract: An apparatus and system for efficiently and safely transferring heat from a masonry heater to an external heating device using coil pipes and a liquid circulation pump. Circulation of a heat transfer liquid in the apparatus and system is controlled based on the measured temperature of the heat transfer liquid in the coil pipe on a return side of the masonry heater. Two additional sensors near the external heating device are used to control the flow rate of the circulation of the heat transfer liquid in the apparatus and system, thereby controlling the amount of heat actually transferred to the external heating device.

Abstract: The present invention provides a heat pump water heater and a control method thereof. The control method is used for controlling the heat pump water heater and includes: detecting a temperature of water in a water tank; if the water temperature is not larger than a first preset temperature value, controlling, by a controller, a heating device to heat at a first average heating power; if the water temperature is larger than the a second preset temperature value, controlling the heating device to stop heating; otherwise, if detecting that water flows into the water tank, controlling the heating device to heat at a second average heating power, and if detecting that no water flows into the water tank, controlling the heating device to heat at a third average heating power.

Abstract: A retrofit kit and assembly for establishing closed loop water supply to a humidifier associated with a furnace. A reservoir defining housing is adapted to being mounted to an external location of the furnace. A fluid supply communicates to the housing and can include either of a float valve actuated city water inlet line or a water condensate line extending from the furnace. An outlet extends from a location of the housing to the humidifier. A return line extends from the humidifier to a further location of the housing. An overflow drain extends from another location of the housing and communicates any excess volume of water to a floor drain.

Abstract: An apparatus and method for cleaning contaminated air in an enclosed space, such as a transportation trailer or a shipping container. An air mover in the space circulates contaminated atmosphere from an area of low pressure to an area of higher pressure. The resulting pressure differential is used to draw a reverse, partial air flow through an air cleaning device. The repeated cycling of a portion of airflow results in cleaning of the atmosphere and a general reduction of the contaminant from the enclosed space.

Abstract: A vent for a domestic appliance may comprise a through hole in an adjacent wall for increasing airflow to and/or from heat-generating or heat-dissipating components of a refrigerator or other type of appliance. An appliance vent may include a conduit installed through a wall, ceiling, floor, and/or cabinet to provide communication to an adjacent room or space, where warmer air may be ejected or from where cooler air may be drawn. An appliance vent may include vent louvers, acoustic baffles, or an adjustable shutter plate to adjust airflow through the vent. Sound dampening material may be placed within the through hole and/or conduit.