Abstract: Systems, method, and computer readable medium are provided for a controller for a generator. The system includes a rectifier for converting a first AC signal generated by the generator to a first DC signal; a first DC-DC associated with energy storage and a first mode; a second DC-DC associated with an inverter and a second mode; a switch for alternately toggling between the first DC-DC and the second DC-DC, wherein the first mode prevents output to the electrical grid, and the second mode enables inversion of the second DC signal to a second AC signal via the inverter; and a processor that uses the indicator to operate the switch to operate the generator in the first mode when a connection to the grid does not conform with a parameter, and operate the generator in the second mode when the connection to the grid conforms with the parameter.

Abstract: A fluid turbine may include a vertically-orientable shaft having at least one opening extending transversely therethrough, a first blade portion configured for vertical orientation on first side of the shaft, a second blade portion configured for vertical orientation on a second opposite side of the shaft, at least one rod extending through the shaft opening and connectable at a first end to the first blade portion and at a second end to the second blade portion. A reinforcing sleeve may extend through the shaft opening and may be interposed between the rod and the shaft opening for reinforcing at least one of the shaft, the at least one shaft opening, or the rod against forces exerted by the first and second blade portions when fluid impacts the first and second blade portions.

Abstract: A recirculation system for a gas turbine engine includes a mixing chamber including an inlet end that receives exhaust gases containing unburnt fuel and an outlet end, and at least one recirculation conduit including an inlet opening in fluid communication with the mixing chamber proximate to the outlet end and an outlet opening in fluid communication with the mixing chamber proximate to the inlet end. The recirculation system further includes a fan. The fan is operable to receive at least one of a stream of substantially fuel-free exhaust gases present and a stream of fresh air within the at least one recirculation conduit and direct at least one of a portion of the stream of substantially fuel-free exhaust gases and a portion of the stream of fresh air into the mixing chamber to reduce an amount of unburnt fuel in the exhaust gases.

Abstract: Systems, method, and computer readable medium are provided for producing a DC output, comprising: a turbine for generating a variable AC from a variable flow; a rectifier for converting the variable AC to a variable first DC; a first DC-DC associated with a storage component; a second DC-DC associated with an inverter; a dual mode circuit for alternately toggling between the first DC-DC and the second DC-DC; and a controller for: operating the circuit to store the first DC in the storage component when the first DC is below a target level, and release energy at the target level using the first DC-DC when the energy reaches the target level; operating the circuit to convert the variable DC to the target level using the second DC-DC when the variable DC is above the target level; and output a target level DC including the released energy or the second DC.

Abstract: An apparatus for mounting green energy sources on a flat roof, includes multiple roof trusses for mounting atop the roof. The roof trusses support beams on which wind turbines are mounted. The roof trusses are secured to the roof with weighted bases. In addition to supporting wind turbines, the roof trusses may also support solar panels angled relative to a pitch of the roof.

Abstract: A device which runs software applications includes a network interface, a non-transitory computer readable storage medium and at least one processor. The device identifies that a link for installation of a new software application is selected by user interaction with a software application that is running on the device. In response to the identification, an installation client is invoked to run in the background on the device without exiting the currently-running software application. The installation client is instructed to automatically download an installation file of the new software application over the network using the network interface. The new software application is installed on the device using the downloaded installation file.

Abstract: Systems, methods, and computer program products are disclosed for determining a power curve for a fluid turbine. Determining a power curve for a fluid turbine includes receiving an indication of a fluid speed condition; if a predetermined load compliant with an MPPT protocol for the fluid turbine operating under the fluid speed condition is available, obtaining the predetermined load; and applying the predetermined load to the fluid turbine, thereby adjusting a rotational velocity in accordance with the MPPT protocol and the fluid speed condition; if the predetermined load is unavailable, applying a plurality of candidate loads in an iterative manner in accordance with the MPPT protocol and the fluid speed condition; determining an MPPT-compliant load that generates greater power; applying the MPPT-compliant load to the fluid turbine; and storing the MPPT-compliant load in association with the fluid speed condition for subsequent application.

Abstract: A device which runs software applications includes a network interface, a non-transitory computer readable storage medium and at least one processor. The device identifies that a link for installation of a new software application is selected by user interaction with a software application that is running on the device. In response to the identification, an installation client is invoked to run in the background on the device without exiting the currently-running software application. The installation client is instructed to automatically download an installation file of the new software application over the network using the network interface. The new software application is installed on the device using the downloaded installation file.

Abstract: A device which runs software applications includes a network interface, a non-transitory computer readable storage medium and at least one processor. The device identifies that a link for installation of a new software application is selected by user interaction with a software application that is running on the device. In response to the identification, an installation client is invoked to run in the background on the device without exiting the currently-running software application. The installation client is instructed to automatically download an installation file of the new software application over the network using the network interface. The new software application is installed on the device using the downloaded installation file.

Abstract: A distribution server for controlling data item downloads maintains at least one download constraint for a respective data item. When a query for permission to download the data item is input from a user device, the distribution server checks whether the download constraints are met. When the respective download constraints are met, a response is sent to the user device that the download is permitted. When the respective download constraints are not met, a response is sent to the user device that the download is prohibited.

Abstract: Systems, methods, and computer program products are disclosed for controlling a voltage output of a turbine. Controlling a voltage output of a turbine includes a rectifier for converting an AC output of a turbine to a DC voltage; a sensor for measuring the DC voltage; a charge controller for receiving the DC voltage from the rectifier and produce a DC output, including: a first circuit meeting a first performance criterion for a first DC range, a second circuit meeting a second performance criterion for a second DC operating range, a switch channeling the DC voltage between the first and second circuits; and a processor for receiving the DC voltage measurement from the sensor, and use the switch to channel the DC voltage between the first and second circuits, thereby meeting the first and second performance criteria when the DC voltage is in the first and second DC ranges, respectively.

Abstract: A method and a client device for dynamically replacing interactive content of a quick setting bar are disclosed. The method comprises: monitoring activity of a user on a terminal client and the terminal client state. Identifying content currently presented to the user. Selecting one or more graphical user interface elements to present on the quick setting bar. The one or more graphical user interface elements have been selected based on a content list acquired from a storage according to data and a user profile calculated based on the user activity and terminal client state. Moreover, this comprises updating the quick setting bar to display the one or more graphical user interface elements while the currently presented content is displayed by a presentation unit of the terminal client.

Abstract: A flat-packable wind turbine assembly kit, includes a flat-packed bendable airfoil having an upper edge and a lower edge. The flat-packed bendable airfoil is capable of assuming a predefined curvature upon assembly. The flat-packed bendable airfoil includes upper connecting elements distributed along the upper edge and lower connecting elements distributed along the lower edge of the flat-packed bendable airfoil. The flat-packed bendable airfoil also includes a flat-packed upper plate including an upper mating orifices distributed in a contour corresponding to the predefined curvature. Further, the flat-packed bendable airfoil includes a flat-packed lower plate including lower mating orifices distributed in the contour corresponding to the predefined curvature. Thus, upon assembly when the upper connecting elements are connected to the upper mating orifices and when the lower connecting elements are connected to the lower mating orifices, the flat-packed bendable airfoil assumes the predefined curvature.

Abstract: System, methods, and computer readable medium are disclosed for altering orientation of fluid turbines within a cluster. Altering orientation of fluid turbines within a cluster includes a first turbine assuming a first orientation relative to a direction of fluid flow; a second turbine in proximity to the first turbine, and assuming a second orientation relative to the first orientation, wherein the first and/or second orientations are adjustable to mitigate interference with downstream turbine operation; a processor for receiving an indication that the first turbine imposes interference on the second turbine; based on the indication, determine a third orientation enabling the first and second turbines to produce greater aggregate electrical energy than would be produced with the first turbine in the first orientation and the second turbine in the second orientation; and transmit a signal for changing one of the first and second orientations to the third orientation.

Abstract: Systems, methods, and computer readable medium are disclosed for coordinating rotation of adjacent turbines.

Abstract: An ignition and combustion assist system and method comprising a plasma igniter and electronic driver unit for use with gas turbine engines operating under low air densities, reduced voltage conditions and overall pressure ratios of 3:1 to 7:1. The plasma igniter has an inner chamber housing a centrally positioned and electrically isolated electrode attached to an electrical lead, driver unit, and AC or DC power supply. The electrode features a corner positioned near an outlet end of the igniter, where a plasma arc ignites a fuel-air mixture creating a flame extending into a primary burn region of a combustor of the gas turbine. The driver unit is in two embodiments and configured with low-cost microsecond voltage wave time periods or energy-efficient nano-second pulses. The method uses the plasma igniter and the electronic driver units described herein separately with other components or together.

Abstract: A method, system and computer program product for cross-device interaction, the method comprising: intercepting a triggering event by a mobile client application program; employing a low energy communication monitoring service adapted for searching at least one universally unique identifier advertised by a low energy communication advertisement service configured to enable retrieval of a content identifier associated with content received from a server and being displayed by a television client application program, retrieving using the at least one universally unique identifier the content identifier, and providing the content identifier to the mobile client application program; and, responsive to receiving notice on intercepting a user interaction event by a user interaction event listener, presenting by the mobile client application program an information item retrieved using the content identifier provided.

Abstract: Systems, methods, and non-transitory computer readable media including instructions for coordinated braking of a plurality of geographically-associated fluid turbines.

Abstract: A system for securing application installation on a user device includes a secure link server and a verification server. The secure link server outputs a secured link for downloading an application onto a user device. The secured link includes a signature encrypted with a first key. Content with a single tap link is displayed on a user device. When the single tap link is selected, the user device requests authorization to automatically install the application in single tap mode. The verification server verifies the validity of a request signature included in the request. If the request signature is valid, automatic installation is authorized. If the request signature is invalid, automatic installation is prohibited and the device enters a different mode for downloading and installing the application.

Abstract: Systems, methods, and computer program products are disclosed for determining a power curve for a fluid turbine. Determining a power curve for a fluid turbine includes receiving an indication of a fluid speed condition; if a predetermined load compliant with an MPPT protocol for the fluid turbine operating under the fluid speed condition is available, obtaining the predetermined load; and applying the predetermined load to the fluid turbine, thereby adjusting a rotational velocity in accordance with the MPPT protocol and the fluid speed condition; if the predetermined load is unavailable, applying a plurality of candidate loads in an iterative manner in accordance with the MPPT protocol and the fluid speed condition; determining an MPPT-compliant load that generates greater power; applying the MPPT-compliant load to the fluid turbine; and storing the MPPT-compliant load in association with the fluid speed condition for subsequent application.