Abstract: An LED light bulb has LEDs (32) mounted on a tubular carrier (22) with open ends. The tube (22) functions as a chimney to promote cooling by creating convection currents through the chimney. The cooling can be entirely passive or it may be active by incorporating a fan (50).

Abstract: A lighting apparatus for emitting polarized white light, which includes at least a first light source for emitting primary light comprised of one or more first wavelengths and having a first polarization direction; and at least a second light source for emitting secondary light in the first polarization direction, comprised of one or more secondary wavelengths, wherein the first light and the secondary light are combined to produce a polarized white light. The lighting apparatus may further comprise a polarizer for controlling the primary light's intensity, wherein a rotation of the polarizer varies an alignment of its polarization axis with respect to the first polarization direction, which varies transmission of the primary light through the polarizer, which controls a color co-ordinate or hue of the white light.

Abstract: The invention relates to a light fixture (1) comprising an elongated carrier element (5), at least one lighting module (20), which can be detachable secured to the carrier element (5), and means for supplying power to the lighting module (20), said means comprising contacts arranged on the carrier element (5) or on one of the device carriers (50) held by the carrier element (5). In said light fixture, spring contacts (41) constitute at least some of the contacts.

Abstract: A lighting system includes a first elongate channel configured for mounting to a structure, a second elongate channel configured for being temporarily coupled to the first elongate channel and forming a substantially enclosed elongate space between the first and second elongate channels. A plurality of led lights, each having a translucent watertight housing, at least one led and a integrated circuit within the translucent housing, are coupled to the second elongate channel with each of the translucent watertight housings exposed through the second elongate channel. A controller is electrically connected to a plurality of segments of wire to communicate with each of the plurality of integrated circuits and has a plurality of programmable functions, each function providing at least one of a desired light color for each of the plurality of led lights, duration of illumination and timing of illumination.

Abstract: The invention relates to a planar strip light for installation in a plasterboard construction, wherein the strip light comprises an optical unit which has a reflector and an LED panel, wherein the light-emitting side of the LED panel is arranged at the edge of the reflector and substantially perpendicular to the reflector in order to reduce the installation depth of the strip light, and wherein the strip light comprises fasteners for its direct fastening to the plasterboard construction.

Abstract: An integrated ceiling and light system that incorporates a light module into a ceiling tile. The system may include a grid support system suspended from an overhead support structure that includes at least one grid support element and first and second ceiling tiles supported by the grid support element in an adjacent manner. A nesting cavity may be formed into the first and second ceiling tiles such that a light module may be disposed within the nesting cavity and coupled to the first and second ceiling tiles. The ceiling tiles may be of the type that conceals the grid support element on which it is supported. In one alternative embodiment, the light module and a nesting region of the ceiling tile may include corresponding edge profiles to facilitate mating therebetween to enable coupling of the light source to the ceiling tile.

Abstract: An emergency lighting system (ELS) for an aircraft has a capacitor, a light emitting diode (LED) selectively powered by the capacitor, and at least one of a photoluminescent sign and a photoluminescent panel configured to receive light emitted from the LED.

Abstract: A headlight device includes: a light source that emits light; a light guide element that receives the light emitted from the light source through an incident surface and guides the received light to emit the guided light from an emitting surface; and a radiation optical system that radiates the light emitted from the emitting surface ahead of a vehicle. The light guide element includes: a first light guide portion that extends from the incident surface to the emitting surface and guides the received light; and a second light guide portion that is in contact with the first light guide portion, extends from the incident surface to the emitting surface, and guides the received light. The first and second light guide portions have different refractive indexes. The light guide element is configured so that part of light entering the first light guide portion can enter the second light guide portion.

Abstract: The invention relates to a microprojection light module (1) for a motor vehicle headlight, comprising at least one light source (2) and at least one projection arrangement (3), which images the light exiting from the at least one light source (2) into a region in front of the motor vehicle in the form of at least one light distribution, wherein the projection arrangement (3) comprises: an entry optics (30), which consists of an array of micro entry optics (31); an exit optics (40), which consists of an array of micro exit optics (41), wherein each micro entry optics (31) is paired with exactly one micro exit optics (41), wherein the micro entry optics (31) are formed in such a way and/or the micro entry optics (31) and the micro exit optics (41) are arranged relative to one another in such a way that the light exiting from a micro entry optics (31) enters precisely only into the paired micro exit optics (41), and wherein the light pre-shaped by the micro entry optics (31) is imaged by the micro exit optics (4

Abstract: A vehicle lamp control system is provided which can not only restrict a semiconductor light emitting element from being deteriorated or damaged by sunlight and but also maintain an illumination efficiency of the semiconductor light emitting element. The vehicle lamp control system includes a projection lens, semiconductor light emitting elements disposed near a rear focal point of the projection lens and emit light towards the projection lens, a movable shade which can move between a shading position where the movable shade cuts off light emitted from the semiconductor light emitting elements to be incident on the projection lens and a non-shading position where the movable shade does not cut off light emitting elements to be incident on the projection lens, and a headlamp control unit which executes a control in which the movable shade is moved to the shading position with the semiconductor light emitting elements left switched off.

Abstract: A vehicle taillight system being capable of representing various situations occurring upon driving a vehicle is provided. The vehicle taillight system includes: first and second taillights mounted at the rear of a vehicle; a plurality of light sources installed at each of the first and second taillights; and a controller connected to the first and second taillights and that controls the plurality of light sources to together or individually operate and that controls to output driving information of the vehicle to the outside of the vehicle through the first and second taillights. Therefore, because a driver's intention expression can be more clearly represented, various safety accidents can be beforehand prevented.

Abstract: An LED light unit comprises a support portion, a light source having at least one LED, the light source being arranged on the support portion and having a source-side light intensity distribution (LISS), and a refractive optical element having an inner surface and an outer surface, with at least one of the inner surface and the outer surface being non-spherical, the refractive optical element being arranged over the light source and being attached to the support portion.

Abstract: An optical device comprising at least one first light guide having an exit face. The first guide is configured to propagate the light rays emitted by a first light source toward its exit face. The exit face is placed facing a coupling zone that forms part of the lateral surface of a generally tubular second light guide of the optical device. The optical device allows the transmission of the light emitted via the exit face of the first guide through the second guide to be improved. The optical device especially proposes the implementation of a luminous device for an automotive vehicle integrating two luminous functions.

Abstract: An LED illumination apparatus includes a substrate, a light source disposed on the substrate, a cover unit covering the light source, and a reflector extending from the inside of the cover unit to the upper surface of the substrate, such that light generated by the light source illuminates an area below a bottom surface of the substrate.

Abstract: A light emitting device includes a reflective sheet having a light reflecting face; a plurality of oblong flexible substrates; and a plurality of light emitting sections disposed at intervals on a face of each of the flexible substrates. The plurality of the flexible substrates comprises a first group of flexible substrates that are lined up at intervals in a first direction and a second group of flexible substrates that are lined up at intervals in a second direction such that the flexible substrates of the second group intersect the flexible substrates of the first group. The first group and the second group are layered in a thickness direction and adhered to at least one face of the reflective sheet so as to expose the plurality of light emitting sections.

Abstract: A conversion element for the wavelength conversion of electromagnetic radiation from a first wavelength range to electromagnetic radiation from a second wavelength range, which includes longer wavelengths than the first wavelength range, the conversion element includes: a matrix material, the optical refractive index of which is temperature-dependent, and at least two different types of luminophore particles wherein a multiplicity of luminophore particles of each of the types are distributed in the matrix material, luminophore particles of different types differ from one another in terms of average particle size and/or material, the conversion element, upon excitation by electromagnetic radiation from the first wavelength range emits mixed radiation including electromagnetic radiation from the first and the second wavelength range, and the correlated color temperature and/or the color locus of the mixed radiation remain(s) substantially the same when the matrix material is at a temperature of between 25° C.

Abstract: There is provided a lighting device (100) comprising a first tubular body (120), a second tubular body (130) within the first tubular body (120), and a support structure within the first tubular body (120). The support structure supports a plurality of Solid State Lighting (SSL) elements (160) on a support surface, said SSL elements being arranged to emit light under a range of angles including a first range. The support structure is fixed within the first tubular body (120) by the first tubular body (120) and the second tubular body (130). The support structure comprises a tube receiving member (156) extending from the support surface, said tube receiving member engaging with the second tubular body (130).

Abstract: A multi-color spotlight has a lens on a first side, a rotational mechanism, a knob for actuating the rotational mechanism, and a power supply source within a housing operably coupled to the rotational mechanism. The rotational mechanism has a rotatable rod having a plurality of substrates coupled around the circumference thereof, each substrate having an LED chip mounted in the same vertical geometric plane in relation to the other LED chips, and wherein only the LED chip that is positioned directly beneath the lens is configured to receive power from the power supply source and illuminate.

Abstract: Presented is a design of modular LED lighting fixture whereby the steps of light directing and light redirecting are independent, but cooperative, so to promote a compact fixture design with low effective projected area (EPA), good thermal properties, and a selectable degree of glare control. A lighting system employing a plurality of said fixtures is highly customizable yet has the potential to be pre-aimed and pre-assembled prior to shipping, which reduces the potential for installation error while preserving the customized nature of the fixtures.

Abstract: A portable work light is disclosed having a front cover having a LED light source; a protective housing for the LED light source; a back housing for enclosing the portable light and the various components thereof; a power source and electrical components for operating the portable light; a ratcheting stand and handle; and a plurality of bumpers for protecting various contact points of the portable light.

Abstract: A LED lamp includes a lamp head and a lamp body mounted to the lamp head. The lamp body includes a first main body and two second main bodies. The first main body includes a first upper cover, a first lower cover, a first elastic element, and a second elastic element. Each of the second main bodies includes a second upper cover, a second lower cover. The first elastic element is mounted between the first upper cover and the second upper cover, and the second elastic element is mounted between the first lower cover and the second lower cover. When the LED lamp is in an open state, the second main bodies relative to the first main body are unfolded; when the LED lamp is in a closed state, the second main bodies relative to the first main body are folded.

Abstract: Various embodiments provide a light emitting diode (LED) module. In one embodiment, the LED module comprises a circuit board; a peripheral metal board abutting and about said circuit board; an electrical insulation layer on both a first surface and a second surface of said circuit board and said peripheral metal board; electrical traces on said electrical insulation layer; and one or more LEDs mounted on said electrical traces and said electrical insulation layer over said peripheral metal board.

Abstract: A system for mounting a light fixture to a structure includes a pivot base and a mount. The pivot base is pivot base coupled to the structure. The mount is configured for securing to the light fixture and for pivotally coupling to the pivot base, so that the light fixture is adjustably positionable in any one or more of a plurality of positions. The mount includes a plurality of adjustment points configured to allow the mount to be fixed in any of the one or more of a plurality of positions.

Abstract: Junction boxes for enclosing and making electrical connections to LED drivers are disclosed. The junction boxes include a bottom or base and a cover. Dividers arising from the base divide the junction box into high-voltage and low-voltage compartments. A cut-out open at the top of each divider allows a driver to be placed in a junction box without having to pull wires through holes or openings. Typically, the base is open along the top and along at least a portion of one sidewall, with the cover being L- or U-shaped to complete the enclosure. Various mounting mechanisms are disclosed for securing drivers within junction boxes. Embodiments that can house several drivers or components within one junction box are disclosed, as are weather- and water-resistant embodiments.

Abstract: The invention relates to a display device (1) having a display area (2) consisting of non-illuminated areas (9) and illuminated areas (12), wherein the centroids of adjacent illuminated areas (12) are located at distances (11, 11.1) from each other which are smaller than the resolving power of a viewer (50), wherein preferably the proportion of the non-illuminated areas (9) in the entire display area (2) is more than 70%, and wherein the display device (1) has at least one functional element (40.1, 40.2, 40.3, 40.4).

Abstract: A sash comprising a pressure sensitive material which reacts to the movements of an unborn baby and causes the illumination of corresponding areas of the sash on the mother's abdomen in response to the movement of the baby. The sash includes a strip of fabric or material of a selected size and shape to cover a selected portion of the abdomen of an expectant mother containing the baby. Means of fastening such as a hook and loop fastener are combined with an elastic belt secure the sash around the mother's abdomen. The touch sensitive fabric reacts to movements of the baby and causes lights over the active area to be illuminated. The result is a light show for viewers showing the unborn baby's activity.

Abstract: A lighting device and a lighting device assembling and disassembling method complying with safety regulations are provided. The lighting device includes a main body, a circuit module, a fixing module, and a backside plate. The backside plate includes a first electric connection slot corresponding to the fixing module and a second electric connection slot corresponding to a first electric connection part of the circuit module. In the assembling process, the fixing module is initially connected with the first electric connection slot, and the electric connection between these two components is established. While the fixing module is connected with the first electric connection slot, the electric connection between the first electric connection part and the second electric connection slot is established. Afterwards, the fixing module and the first electric connection slot are structurally connected with each other.

Abstract: A light emitting apparatus comprising an at least substantially omnidirectional light assembly including an LED-based light source within a light-transmissive envelope. Electronics configured to drive the LED-based light source, the electronics being disposed within a base having a blocking angle no larger than 45°. A plurality of heat dissipation elements (such as fins) in thermal communication with the base and extending adjacent the envelope.

Abstract: An LED light includes a holder, a power supply electrically connected to the holder, a body electrically to the power supply, a connecting plate connects the power supply with the body, and a heat sink connected with the connecting plate. The heat sink includes a first cooling fin, a second cooling fin and a third cooling fin. The second cooling fin connects between the first and the third cooling fins. The first and the third cooling fins each include a rotational axis, and the connecting plate includes a pair of grooves to engage with a corresponding rotational axis. The first and the third cooling fins rotate relative to the second cooling fin via rotating the rotational axis, an angle within 180-360 degree is formed between the first and the third cooling fins and the second cooling fin. The configuration of heat sink may improve the heat radiation effects.

Abstract: A floating illumination device for a water feature has a housing having a sub-housing extending down from a bottom section of the housing. A lighting circuit is held by the sub-housing. A plurality of illuminating elements of the lighting circuit is attached to an outer perimeter of the sub-housing. A cover is positioned over the sub-housing forming a watertight seal.

Abstract: Embodiments disclosed herein describe systems and methods associated with light mounting systems. Embodiments may include lighting shelves that are configured to be mounted to a fixed structure, such as to a wall or supports within a room via a cantilever design that is mounted to unistrut. The lighting shelves may be anchored at only a single end to the unistrut, and the lighting shelves may protrude away from the unistrut. The lighting shelves may have a sufficient width and length to cover an entire region of interest below the lighting shelves, which may enable to lighting shelves to uniformly distribute light to plants.

Abstract: A system and method for producing first and second steams includes: (a) a glow discharge cell, (b) a fluid source, a pump or a valve, and (c) a DC electrical power supply. The glow discharge cell includes an electrically conductive cylindrical vessel having first and second ends, and at least one inlet and one outlet. A hollow electrode is aligned with a longitudinal axis of the vessel and extends at least from the first end to the second end of the vessel. First and second insulators seal the first and second ends, respectively, of the vessel around the hollow electrode and maintain a substantially equidistant gap between the vessel and the hollow electrode. A non-conductive granular material is disposed within the gap. The hollow electrode heats up during an electric glow discharge and produces the first steam and the second steam.

Abstract: The erosion-prone sections of the tubes in a circulating fluidized bed boiler are provided with a locally thickened sidewall without forming discontinuities on the outer surface of the tubes. This can be accomplished, for example, by replacing the erosion prone portion of the tube with a section having a smaller inside diameter, but the same outside diameter, or by replacing the erosion prone portion of the tube with a section having a thicker sidewall, but the same inside diameter, and smoothing over the outside discontinuity with an alloy coating. A useful alloy coating is also disclosed which can be used for this and other applications.

Abstract: Adjustable gas grill burners are disclosed. Methods of making and using adjustable gas grill burners are also disclosed.

Abstract: To substantially reduce inequality in hot combustion flow rates through first and second heat exchanger tubes from a fuel-fired heating appliance burner box connected thereto and internally combusting a fuel/air mixture received therein from a source thereof to create the hot combustion gas, a perforated diffuser member having a non-uniform perforation pattern is provided. The fuel/air mixture is flowed through the perforated diffuser member into the interior of the burner box. The non-uniform perforation pattern of the diffuser member functions to alter relative combustion gas flow rates through the first and second heat exchanger tubes in a manner reducing an undesirable operating temperature differential therebetween.

Abstract: A high-efficiency clean burning method of a macromolecular substance, wherein the macromolecular substance comprises biomass and solid organic waste; the method comprises the following steps: generating a first gaseous substance and a red-hot carbon residue layer from biomass carbon residue or charcoal or coke or a mixture thereof by anoxic combustion; leading the heat generated by anoxic combustion to the macromolecular substance, preheating and drying the macromolecular substance and carrying out pyrolysis gasification, so as to generate a second gaseous substance; taking red-hot carbon residue as a pyrolysis catalyst, leading the second gaseous substance to the red-hot carbon residue layer to carry out oxygen catalytic cracking, so as to generate a third gaseous substance; leading the third gaseous substance and the first gaseous substance to an oxygen-enriched combustion zone in a heat preservation manner to carry out oxygen-enriched combustion, so as to achieve substantial complete combustion of all gasi

Abstract: An incineration grate includes several levels including first and second grate bars arranged in rows alongside one another and in rows one above another, forming step-shaped combustion surfaces with their upper supporting surfaces. At least once in an area of the upper supporting surfaces, the first grate bars form, over their width, a smaller supporting surface for fuel than that of the second grate bars via a first shoulder disposed inwards in a direction of a longitudinal center plane. In an area of the upper supporting surfaces, the second grate bars have a supporting surface with a larger width in order to form an overlap with the first grate bars via a second shoulder disposed outwards over the width of the first grate bars. The second grate bars have at least one pin configured to be introduced into a pocket in the first grate bars and increase the larger width.

Abstract: Embodiments of the invention relate to a gas fire pit delivery and pay-station system for providing a gas service on a pay-per-use basis. The system provides a multi pay-station or a single pay-station configuration connected to a main gas supply of pressurized gas whereby a control signal is provided by the pay-station to a plurality of electronically controlled gas valves for disabling or enabling the pressurized gas to flow to one or more fire pit stations.

Abstract: A solid-state energy conversion device in combination with an ultra-high energy density buoyant combustor generating high radiant, and high emissivity “heat” achieves ultra-high energy conversion efficiency and ultra-high radiant/emissive “flame” preferably creating electromagnetic waves, hot carriers, photons, phonons and/or plasmons created within the high buoyancy combustor to achieve high energy conversion rates. The buoyant combustor can alternatively operate void of the solid-state energy conversion to replace a traditional burner for boiler/furnace.

Abstract: The gas exchange termination assembly overcomes the affects of fluid turbulence caused by wind, drafts, and air pressure. The invention can be applied to gas burning devices under 4,000 BTU input. Turbulent flow of gases at the gas exchange termination assembly are mitigated by the location of slots and openings in the gas exchange termination assembly for both intake air and exhaust gases. The gas exchange termination assembly is connected, coaxially through the building structural wall, to a sealed combustion system in order that all gases are drawn from and return to the same general location (directly) outside the building. The gas exchange termination assembly includes an intake air hood for intake air with additional intake air openings, an exhaust pipe with slots and a plug to move products of combustion at angles to the concentric pipe as the intake and exhaust gases enter and exit.

Abstract: An apparatus for adjusting and controlling the combustion in a fuel gas burner. The apparatus comprises the following mutually integrated components: a comburent gas/fuel gas mixing pipe provided with a Venturi mixer in correspondence of which a fuel gas supply duct opens; means for adjusting the flow rate of fuel gas; a fan, at least partially housed in said mixing pipe; a burner arranged downstream of said fan; a safety system based upon the detection of the flame present in said burner; and an electronic control unit of devices belonging to the apparatus. The apparatus is characterized in that it further comprises: a temperature probe arranged on the inner surface of the burner; a valve for adjusting the fuel gas flow rate in the duct; said valve belonging to said control means and being mechanically controlled by an actuator; and an electronic card, electronically connected to said probe, to said fan and to said actuator.

Abstract: A method of making a hot surface igniter is described. A silicon carbide composition that includes both fines fraction and a coarse fraction is sintered in a nitrogen and argon reducing atmosphere in a manner that controls the incorporation of nitrogen with in the lattice of recrystallized silicon carbide. The controlled incorporation of nitrogen in the lattice provides enhanced control over heating and electrical properties, while simultaneously achieving a lower surface area fully recrystallized structure for oxidation resistance and long service life.

Abstract: A device includes a flame bowl with a snuffer sleeve situated therein. The snuffer sleeve has a lowered position allowing a wick to burn freely and a raised position wherein the sleeve impedes oxygen flow to the wick, the snuffer sleeve being biased toward the raised position. A shelf extends from the snuffer sleeve to receive a movable weight that rests on the shelf when the flame bowl is upright and the snuffer sleeve is moved to the lowered position. The movable weight retains the snuffer sleeve in the lowered position while the flame bowl remains upright but moves to allow the snuffer sleeve to extend to the raised position when the flame bowl departs from the upright position more than a predetermined amount.

Abstract: A method of lining a turbofan casing (30) with an array (32) of liner modules (34), including the steps of: providing a liner module (34); and providing a coupling element (48) on the casing for interlocking engagement with the liner module to maintain the liner module in position relative to the casing; and interlockingly engaging the liner module (34) and coupling element (48) by progressive movement of the liner module relative to the coupling element.

Abstract: An annular combustion chamber for a turbine engine is provided. The chamber includes an annular row of fuel injectors including heads engaged in fuel injection systems mounted in openings in the chamber end wall. Each injector head includes at least one fuel-passing helical channel for causing fuel to rotate about the longitudinal axis of the head. Each injection system includes at least one swirler including air-passing channels of sections with axes that are inclined relative to the plurality axis of the swirler at an angle that is substantially equal to a helix angle of the helical channel, to within ±10°, and are oriented in a same direction as the channel about the longitudinal axis of the swirler.

Abstract: A fuel nozzle assembly includes a premix chamber, an air flow divider extending radially and axially within the premix chamber between an inner wall and an outer wall and a plurality of guide vanes disposed within the premix chamber. One or more of the guide vanes includes a fuel port in fluid communication with the flow divider. The fuel nozzle assembly further includes a premix plate that extends radially between the inner and outer walls and circumferentially between first and second side walls downstream from the fuel ports. The premix plate includes an upstream side axially spaced from a downstream side and a plurality of passages that provide for fluid flow from the premix chamber through the premix plate.

Abstract: Provided is an air cooled combustion furnace system to effectively operate a combustion furnace for generation of heat energy via combustion of a solid fuel so as to optimize thermal efficiency. The combustion furnace system includes a combustion body structure provided with a hopper and having a combustion space for production of heat energy via combustion of a solid fuel, a cooling device integrally formed in multiple layers with the combustion body structure to cool the combustion body structure via distribution of air, a negative pressure induction device to create a negative pressure within the combustion body structure by suctioning air, a fuel supply device, a grate device constructed by coupling a plurality of grate segments to one another and serving to support the solid fuel being combusted, and a clinker removal device to remove clinkers generated during combustion of the solid fuel from the grate device.

Abstract: A gas burner for a cooking appliance includes a frustoconically-shaped crown having a plurality of gas ports defined therein, a cover positioned above the crown, and a shell secured to the cover and positioned on the crown. The shell defines a hollow chamber positioned between the crown and the cover.

Abstract: A home appliance having an improved burner including an appliance body; at least one burner assembly supported in the appliance body to provide a heat source, the burner assembly including a burner head, an electrode and a venturi tube for mixing gas and air and directing the resultant gas and air mixture to the burner head for ignition by the electrode and flame output through the burner head, the venturi tube being formed from a material subjected to an electrolytic passivation process, preferably an anodizing process.

Abstract: A gas burner (2) including a gas injector (3), a gas supply line (4) connected to the gas injector (3) so as to feed gas to the gas injector (3), and a single automatic gas valve (5) installed in the gas supply line (4) upstream the gas injector (3) so as to control gas supply to the gas injector (3). During ordinary operational modes, the single automatic gas valve always is in an open status not exceeding a preset upper opening limit. During temporary boost operational modes the automatic gas valve is in an open state exceeding the upper opening limit.