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150
results.
Updated on
22/07/2025 [06:56:00]
Results 25 to 50 of 150
Absstract of: US2025231584A1
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
Absstract of: US2025231321A1
An anti-reflective waveguide assembly comprising a waveguide substrate having a first index of refraction, a plurality of diffractive optical elements disposed upon a first surface of the waveguide and an anti-reflective coating disposed upon a second surface of the waveguide. The anti-reflective coating preferably increases absorption of light through a surface to which it is applied into the waveguide so that at least 97 percent of the light is transmitted. The anti- reflective coating is composed of four layers of material having different indices of refraction that the first index of refraction and an imaginary refractive index less than 1×10−3 but preferably less than 5×10−4.
Absstract of: US2025234769A1
The present application relates to a perovskite solar cell and a preparation method thereof, and an electrical apparatus. The perovskite solar cell includes a transparent electrode, a first functional layer, a perovskite layer, a second functional layer and a second electrode layer which are stacked, wherein the perovskite layer includes a three-dimensional perovskite layer and a two-dimensional perovskite layer which are stacked, the surface of the three-dimensional perovskite layer in contact with the first functional layer being a first surface, and the remaining surfaces constituting a second surface, and the two-dimensional perovskite layer covers the entire second surface.
Absstract of: US2025234696A1
A perovskite solar cell, a preparation method of the perovskite solar cell, and an electric device. The perovskite solar cell includes a perovskite light absorbing layer, an electron transport layer, and a resistance reduction layer. The resistance reduction layer is located between the perovskite light absorbing layer and the electron transport layer.
Absstract of: US2025234673A1
The present disclosure discloses a preparation method for a solar cell and a solar cell. The preparation method for a solar cell comprises: locally forming a tunnel silicon oxide layer and an N-type doped polysilicon layer on a front surface of a P-type silicon substrate, wherein the N-type doped polysilicon layer is stacked on the tunnel silicon oxide layer; immersing the P-type silicon substrate having the tunnel silicon oxide layer and the N-type doped polysilicon layer locally formed on the front surface into an electroplating solution, irradiating the front surface of the P-type silicon substrate with light for a set duration so as to grow a front metal electrode on the N-type doped polysilicon layer, and removing a metal remaining on the front surface of the P-type silicon substrate by etching, wherein the width of the front metal electrode is the same as the width of the N-type doped polysilicon layer. The preparation method may omit an alignment operation in a metal electrode preparation process, thereby effectively reducing a difficulty in a preparation process of a local passivated contact emitter.
Absstract of: US2025234675A1
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Absstract of: WO2025149147A1
The carrier system according to the invention for a photovoltaic module equipped with a frame comprises a first post (4) and a second post (4). The carrier system additionally comprises a first crossmember (5), which is fastenable to the first post (4), and a second crossmember (5), which is fastenable to the second post (4), and also a first holder (6). The first holder (6) has a first plug-in tab (6.1) for fitting into the frame (2) of the photovoltaic module (1) and a second plug-in tab (6.2) for fitting into the first crossmember (5). The carrier system additionally comprises a fastening means (7), by way of which the first holder (6) is fixable to the frame (2) of the photovoltaic module (1). The carrier system furthermore comprises a second holder (6), which has a first plug-in tab (6.1) for fitting into the frame (2) of the photovoltaic module (1) and a second plug-in tab (6.2) for fitting into the second crossmember (5). The carrier system additionally comprises a further fastening means (7), by way of which the second holder (5) is fixable to the frame (2) of the photovoltaic module (1).
Absstract of: DE102024100862A1
Die Erfindung betrifft ein Solarmodul-Rahmenprofil zum Rahmen eines Solarmodul-Laminats (L) mit einer Solarmodul-Laminat-Vorderseite und einer Solarmodul-Laminat-Rückseite, wobei das Solarmodul-Rahmenprofil eine Rahmennut aufweist, die gebildet ist aus:- einem Vorderseitenschenkel (1) zum Übergreifen der Solarmodul-Laminat-Vorderseite entlang einer Solarmodul-Laminat-Kante, wobei der Vorderseitenschenkel (1) einen Vorderseiten-Endabschnitt (11) aufweist,- einem Rückseitenschenkel (3) zum Übergreifen der Solarmodul-Laminat-Rückseite entlang der Solarmodul-Laminat-Kante, wobei der Rückseitenschenkel (1) einen Rückseiten-Endabschnitt (11) aufweist, und- einem Rahmennut-Steg (2), der den Vorderseitenschenkel (1) und den Rückseitenschenkel (3) voneinander beabstandet, und von dem sich der Vorderseitenschenkel (1) und der Rückseitenschenkel (3) die Rahmennut ausbildend seitlich entlang einer Öffnungsrichtung (O) weg erstrecken, wobei der Rückseitenschenkel-Endabschnitt (31) einen in Richtung des Vorderseiten-Endabschnitts (11) über die Rückseitenklebe-Ebene hinausragenden Auflagebereich und/oder einen angeschrägten Eintrittsrampenabschnitt für ein Einbringen des Solarmodul-Laminats in Richtung des Rahmennut-Stegs (2) des Solarmodul-Rahmenprofils über die Solarmodul-Laminat-Rückseite bildet, wobei die angeschrägte Eintrittsrampe zumindest abschnittsweise über die Rückseitenklebe-Ebene hinausragt und wobei das Solarmodul-Rahmenprofil aus einem gebogenen Metallband
Absstract of: US2025234656A1
Provided is a photoelectric conversion module capable of suppressing a short circuit between photoelectric conversion elements adjacent to each other. The photoelectric conversion module (100) comprises a first photoelectric conversion element (10a) including a conductive substrate (20a) and a second photoelectric conversion element (10b) including a conductive substrate (20b). The first photoelectric conversion element and the second photoelectric conversion element are arranged side by side so as to partially overlap each other. A part of the conductive substrate of the second photoelectric conversion element is electrically connected to the first photoelectric conversion element. An insulating material (50b) that separates the conductive substrate of the second photoelectric conversion element from the conductive substrate of the first photoelectric conversion element is provided on the conductive substrate (20b) of the second photoelectric conversion element.
Absstract of: US2025233555A1
A method of snow removal for a plurality of solar tracker assemblies. The steps of the method include: a) determining at least one current snow presence variable value associated with the solar tracker installation; b) determining at least one other current variable value associated with the solar tracker installation selected from one or more of the following variable categories: 1) a weather condition variable category; 2) a temporal variable category; 3) a weather prediction variable category; and 4) a snow removal routine variable category; c) applying the decision rule to determine if the at least one current snow presence variable value and the least one other current variable value correspond to a snow removal condition; and d) if the decision rule determines that the current variable values correspond to a snow removal condition, executing the snow removal routine for a set of the plurality of solar tracker assemblies.
Absstract of: US2025233551A1
A solar module fastening device with a mounting rail for a fastening of several solar modules, the mounting rail having at least one at least substantially continuous bearing surface which the solar modules can be slid onto for fastening, wherein the mounting rail comprises at least one mounting-securing element, which is configured to permit sliding of solar modules onto the bearing surface in a mounting direction and to secure the solar modules in mounting positions against a displacement counter to the mounting direction.
Absstract of: US2025233556A1
A system, including at least one photovoltaic module installed on a roof deck, where the at least one photovoltaic module is a first photovoltaic module, where each photovoltaic module includes: a first end and a second end opposite the first end, a baseplate located at the first end, a first support located on the baseplate, an electrical component located on the baseplate, a first electrical wire in electrical connection with the electrical component of the first photovoltaic module; and a first electrical connector in electrical connection with the first electrical wire, where the first electrical connector is located on the first support of the first photovoltaic module so that the first electrical connector is out of contact with the baseplate of the first photovoltaic module.
Absstract of: US2025233553A1
According to one or more embodiments, an intelligent solar racking system is provided. The intelligent solar racking system includes a racking frame that receives and mechanically supports solar modules. The intelligent solar racking system includes sensors distributed throughout the racking frame. Each of the sensors detects and reports parameter data by generating output signals. The sensors include module sensors positioned to associate with each of the solar modules and detect a module presence as the parameter data for the solar modules. The intelligent solar racking system includes a computing device that receives, stores, and analyzes the output signals to determine and monitor operations of the intelligent solar racking system.
Absstract of: WO2025149146A1
A low-cost multi-spectral optical system for inspecting the spectral performance of photovoltaic solar cells (10) in the field, and/or during the production phase. It comprises a modulated laser sources (14), used for inducing a similar photocurrent in the inspected cell (10) as a precise metric of the efficiency. It comprises also a receiving module (20) connected in series to the cell. It provides simplicity, reliability, ease of use, fast response, and high-precision diagnosis of solar cells troubleshooting with/without load engagement, at full-sun illumination and/or full-darkness, which fulfills the requirements of industrial quality control and/or large sites preventive maintenance.
Absstract of: US2025233552A1
A self-centering rail includes a first side portion and a second side portion that is opposite the first side portion. The first side portion is configured to couple to a first solar module frame when a first flange of the first solar module frame is received at the first rail clamp and the second rail clamp and when a frame self-centering member of the first solar module frame is received at the first rail self-centering member. The second side portion is configured to couple to a second solar module frame when a second flange of the second solar module frame is received at the third rail clamp and the fourth rail clamp and when a frame self-centering member of the second solar module frame is received at the second rail self-centering member.
Absstract of: US2025233548A1
Roof tile wherein the roof tile comprises a base element and further is comprised a transparent top element, wherein the roof tile comprises a group of solar panel elements, wherein the solar panel elements are comprised between the top element and the base element, under or within the top element, wherein the roof tile comprises a profiled shape section which comprises solar panel elements, wherein the profiled shape section allows for different angles of reception of sun rays within the roof tile, wherein the base element comprises concrete or clay. The disclosure is also related to a roof comprising a plurality of roof tiles, a method for producing a roof tile and to a machine for producing a roof tile.
Absstract of: US2025233547A1
A system includes a first photovoltaic module and a second photovoltaic module installed and arranged in an array on the roof deck. Each of the photovoltaic modules includes a first end, a second end opposite the first end, and a first location between the first end and the second end, a first plurality of solar cells, a second plurality of solar cells, an encapsulant layer encapsulating the first and second plurality of solar cells, a frontsheet, and a backsheet. The photovoltaic modules include a first portion and a second portion. The first portion extends between the first end and the first location, and the second portion extends between the first location and the second end. The second portion includes a wireway. The first plurality of solar cells is positioned within the first portion, and the second plurality of solar cells is positioned within the second portion.
Absstract of: US2025233550A1
Clamping systems including a clamp configured to clamp a photovoltaic panel flange to a base bracket flange are generally described. In some embodiments, the clamp may include two or more sets of legs connected to each other, each set of legs extending from an apex joint, with each leg including a receiving slot for receiving the panel flange and bracket flange therein. In some embodiments, the clamp includes teeth configured to interlock with grooves formed on the bracket flange.
Absstract of: US2025233545A1
To widen an area of a power generator as much as possible. An installation structure for a photovoltaic power generation sheet includes an exterior member in which a plurality of convex portions extending in one direction are formed at intervals in a direction orthogonal to the one direction, a photovoltaic power generation sheet being flexible and disposed across the plurality of convex portions, and a fixing member that fixes the photovoltaic power generation sheet to a portion between adjacent convex portions in a state where the photovoltaic power generation sheet is curved along the plurality of convex portions in a cross section.
Absstract of: US2025233546A1
An aquavoltaic system and an aquavoltaic method applied to the aquavoltaic system are provided. The aquavoltaic system comprises a fish pool, a photovoltaic power generation assembly, and a power storage assembly; a power-consuming device comprises a detection unit, a water quality regulating unit and a power regulator that are arranged in the fish pool; and an electric energy output end of the photovoltaic power generation assembly is connected to an electric energy input end of the power-consuming device via a first circuit, the electric energy output end of the photovoltaic power generation assembly is connected to an electric energy input end of the power storage assembly via a third circuit, the electric energy input end of the power-consuming device is connected to an electric energy output end of the power storage assembly via a fifth circuit, and a fifth switch is arranged on the third circuit.
Absstract of: US2025233549A1
A mounting bracket for an offshore photovoltaic module includes a buoyancy body extending along a lengthwise direction, a first pole and a second pole disposed on and extending from the buoyancy body along a height direction and spaced apart from each other in the lengthwise direction, and a reinforcing beam and a carrying beam connected with the first and second poles. Each of the first and second poles has a U-shaped cross-section for increasing the second moment of area, thereby improving the resistance to flexure of the first and second poles. The reinforcing beam extending in an inclined manner to further improve the resistance to flexure in the lengthwise direction so as to enhance the rigidity and durability of the entire offshore photovoltaic module assembly.
Absstract of: US2025233544A1
A skylight includes a frame that is configured to be mounted to a structure, the frame defining a central opening and a solar power unit that is coupled with the frame.
Absstract of: US2025233541A1
Techniques are presented for fabricating optoelectronic devices with integrated air bridges for improved efficiency. The optoelectronic device includes: a reflector disposed on the substrate; a spacer layer disposed on the reflector; and a thermophotovoltaic cell disposed on to the spacer layer, such that the spacer layer is arranged between the reflector and the thermophotovoltaic cell and the spacer layer includes a cavity which extends between the reflector and the thermophotovoltaic cell. Of note, the thermophotovoltaic cell is comprised of silicon material with one or more lateral p-n junctions formed therein.
Absstract of: US2025233543A1
In solar systems, the installation process for solar module-to-torque tube is typically implemented manually by an installer. Such a manual process negatively impacts cost-effectiveness and installation consistency, especially for large solar systems. The present invention discloses embodiments of a self-closing rail that facilitates an automatic installation process for a torque tube for improved efficiency. The self-closing rail may use various structures and functions disclosed herein to keep rail arms open such that the torque tube may be unobstructively moved to a correct position for installation. The rail arms may have a shape matching or partially matching the cross-sectional shape of the torque tube for a tight fit of the torque tube.
Nº publicación: US2025233529A1 17/07/2025
Applicant:
SPARQ SYSTEMS INC [CA]
SPARQ SYSTEMS INC
Absstract of: US2025233529A1
A DC/AC inverter and microinverter architectures using the DC/AC inverter are disclosed. The DC/AC inverter is based on a differential geometry control scheme to balance and optimize the flying capacitor voltages across the flying capacitors used in the inverter's power circuit. Based on changing inverter and overall system conditions, including capacitor voltages, grid voltages, grid current, and DC bus voltages, desired fields are generated. These fields are used to balance capacitor voltages such that capacitor voltage values converge, over time, to an optimal solution.
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