Patent application number | Description | Published |
20120205986 | MULTIPLE SINGLE PHASE GENERATOR CONFIGURATION - Some embodiments relate to a power generation system which includes a bus and a first single-phase synchronous generator that may provide a voltage output to the bus. A first generator controller operates the first single-phase synchronous generator. The power generation system further includes a second single-phase synchronous generator that may provide a voltage output to the bus. A second single-phase synchronous generator controller operates the second single-phase synchronous generator. The power generation system further includes a communication module that exchanges data with at least one of the first generator controller and the second generator controller such that the first generator single-phase synchronous generator and the second single-phase synchronous generator are able to simultaneously supply a voltage and current output to the bus. | 08-16-2012 |
20130113218 | ENGINE DRIVEN GENERATOR THAT IS COOLED BY A FIRST ELECTRICAL FAN AND A SECOND ELECTRICAL FAN - Some embodiments relate to an engine driven generator that includes a first electrical fan and a second electrical fan. The engine driven generator further includes a power source and a circuit connecting the power source to the first electrical fan and the second electrical fan. The circuit is configured to selectively connect the first electrical fan and the second electrical fan in series or in parallel. The circuit may operate the first electrical fan and the second electrical fan at full speed when the first electrical fan and the second electrical fan are electrically connected in parallel. The circuit may operate the first electrical fan and the second electrical fan at less than full speed when the first electrical fan and the second electrical fan are electrically connected in series. | 05-09-2013 |
20130113457 | METHOD OF SENSING GENERATOR SPEED - Some embodiments relate to a method of sensing generator speed. The method includes detecting an AC waveform produced by a generator and determining a threshold voltage from the AC waveform produced by the generator. The method further includes determining generator speed by comparing the threshold voltage with the AC waveform. The generator speed may be determined by a time period between cycles of an output of the generator. Other example embodiments relate to a method that includes detecting an AC waveform produced by an alternative stator winding within the generator and measuring the period of the AC waveform to inversely determine generator speed. | 05-09-2013 |
20130114187 | LOAD CONTROL MODULE THAT PERMITS TESTING OF POWER SWITCHING DEVICES THAT ARE PART OF THE LOAD CONTROL MODULE - Some embodiments relate to a load control module that includes an enclosure and a plurality of power switching devices within the enclosure. The load control module further includes an interface mounted on an exterior of the enclosure and a switch connected to the interface. The switch is connected to the interface such that the switch selectively activates the interface to permit testing of the power switching devices upon operation of the interface. In some embodiments, the load control module may include a display that provides information relating to whether the interface is activated by the switch. Other embodiments relate to a load control module that includes a generator having a controller which controls operation of the generator and provides commands to the switch to selectively activate the interface to permit testing of the power switching device upon operation of the interface. | 05-09-2013 |
20130116847 | ADDING AND SHEDDING LOADS USING LOAD LEVELS TO DETERMINE TIMING - Some embodiments relate to a method of adding and shedding loads that are connected to a generator. The method includes determining whether a plurality of loads is being supplied with power by the generator and then determining the total load that the generator is supplying to the plurality of loads. The method further includes determining whether to change a number of the loads in the plurality of loads based on the amount of load L that is being supplied by the generator. The method further includes determining an amount of time T in which to change the number of loads in the plurality of loads based on the amount of load that is being supplied by the generator. | 05-09-2013 |
20130274934 | CHARGING AN ENERGY STORAGE DEVICE WITH A VARIABLE SPEED GENERATOR - Some embodiments relate to a power management system. The power management system includes a variable speed generator that provides a voltage output to a bus that is adapted to be connected to a load and an energy storage device. The power management system further includes a generator controller that controls the speed of the variable speed generator and monitors a charge level of the energy storage device. The generator controller also remotely displays information relating to the charge level of the energy storage device by supplying information relating to operation of the power management system over a network. The generator controller may remotely display information relating to the charge level of the energy storage device by supplying information relating to operation of the power management system over the Internet. The generator controller may also start/stop the variable speed generator based on the charge level of the energy storage device. | 10-17-2013 |
20130278228 | METHOD OF CONTROLLING SPEED OF A VARIABLE SPEED GENERATOR - Some embodiments relate to a method of controlling speed of a variable speed generator. The method includes detecting a load of the variable speed generator and determining a target speed for the variable speed generator based on the load supplied by the variable speed generator. The method further includes using a controller to adjust the speed of the variable speed generator based on the target speed. The method may further include correcting the target speed by calculating a correction factor that corrects the target speed based on a voltage produced by the variable speed generator. | 10-24-2013 |
20130278240 | SYSTEM AND METHOD OF MEASURING POWER PRODUCED BY A POWER SOURCE - Some embodiments relate to a system for measuring power produced by a power source. The system includes a first voltage sensor for sensing a first voltage difference between a first voltage and a second voltage and a second voltage sensor for sensing a second voltage difference between a third voltage and the second voltage. The system further includes a first current sensor for sensing a current difference between a first current and a second current, and a second current sensor for sensing a current difference between a third current and the second current. The system further includes a power measuring device that determines the power produced by the power source using the first and second voltage differences and the first and second current differences. | 10-24-2013 |
20140001769 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY CUTS OFF FUEL TO A GENERATOR TO ADD A LOAD TO A BUS | 01-02-2014 |
20140001868 | GENERATOR MANAGEMENT SYSTEM THAT SELECTIVELY ACTIVATES GENERATORS BASED ON AN OPERATING PARAMETER | 01-02-2014 |
20140002032 | STANDBY POWER SYSTEM THAT PREDICTS A NEED TO SUPPLY POWER TO A LOAD TO MINIMIZE START TIME OF A GENERATOR | 01-02-2014 |
20140028102 | GENERATOR MANAGEMENT SYSTEM THAT DETERMINES A TIME TO ACTIVATE AND DEACTIVATE GENERATORS BASED ON THE LOAD LEVEL - Some embodiments relate to a generator management system 10. The generator management system 10 includes a first generator 11 and a second generator 13. A bus 15 connects at least one of the first generator 11 and the second generator 13 to a load L. A control 16 determines a time delay to (i) connect the first generator 11 and the second generator 13 to the bus 15; and/or (ii) disconnect the first generator 11 and second generator 13 from the bus 15. The control 16 varies the time delay based on the load L supplied by the first generator 11 and the second generator 13. | 01-30-2014 |
20140125309 | SYSTEM AND METHOD OF DETECTING A WIRING CONFIGURATION FOR A CONTROLLED FIELD ALTERNATOR - Some embodiments relate to a controlled field alternator where the alternator is wired in a low wye configuration (coils wired in series or parallel). The first sensor measures the direct current flowing through the field within the alternator to detect an excitation level of a field within the alternator. As examples, the first sensor may measure field voltage, magnetic field intensity, magnetic flux density, current to the field of a rotating exciter, voltage to the field of a rotating exciter and the duty cycle of a pulse width modulated signal that controls an on-board rectifier for a permanent magnet exciter. Embodiments are also contemplated where the second sensor measures the RMS output voltage of the alternator to determine the output characteristic of the alternator. | 05-08-2014 |
20140210256 | POWER GENERATION SYSTEM WITH ANTICIPATORY OPERATION - Systems and methods include operating a power system in a first state, and detecting an anticipated load increase. The systems and methods further include changing operation of the power system from the first state to a second state upon detection of the anticipated load increase. | 07-31-2014 |
20140253054 | ALTERNATOR FOR A POWER GENERATION SYSTEM - An alternator for a power generation system. The alternator includes a stator. The stator includes a main output winding, a poly-phase auxiliary winding and an exciter field winding that is powered by the poly-phase auxiliary winding. The alternator further includes a rotor that includes an exciter secondary winding and a rotary field winding that is powered by the exciter secondary winding. The rotary field winding voltage is determined by the exciter secondary winding voltage. In some power generation systems, the rotary field winding current of the rotor may be directly rectified from the exciter secondary winding current by uncontrolled rectifiers. The alternator further includes a regulator that measures a current to the exciter field winding. The regulator controls the current to a set point in order to regulate an output voltage produced by the main output winding of the stator. | 09-11-2014 |
20140309797 | GENERATOR MANAGEMENT SYSTEM AND METHOD THAT SELECTIVELY ACTIVATE AT LEAST ONE OF A PLURALITY OF GENERATORS IN A POWER GENERATION SYSTEM - A method of determining an operation of at least one of a plurality of generators in a power generation system. The method includes identifying a system parameter that is related to operation of the power generation system; and determining which of the plurality of generators to operate to minimize fuel consumption of the power generation system based on the system parameter. Other methods include identifying a system parameter that is related to operation of the power generation system; and determining which of the plurality of generators to operate by optimizing an operating variable of the power generation system based on the system parameter. | 10-16-2014 |
20140338864 | COOLING AND CONTROL OF A LOAD BANK USED IN A POWER GENERATION SYSTEM - A power generation system that may include a generator having an alternator and an internal combustion engine configured to drive the alternator to generate power. The alternator may convert the mechanical energy created by the engine to electrical energy, such as alternating current. The generator may supply the electrical energy from the alternator to various devices which may be connected with the alternator. The power generation system may further include a load bank. The load bank may include one or more resistive elements, inductive elements, capacitive elements, or combinations of elements. The power generation system may include a cooling system that may remove heat from one or both the internal combustion engine and the load bank. The cooling system may include a liquid that passes through various components of the internal combustion engine to transfer the heat to or from the engine and the load bank. | 11-20-2014 |
20150059696 | Gaseous Engine Fuel Delivery - A fuel delivery system may be utilized in an internal combustion engine or a generator engine. The fuel delivery system includes a fuel injector and a venturi. The venturi provides a force for delivering the fuel into the manifold of the engine, and the fuel injector provides metering to control the amount of fuel delivered into the manifold of the engine. In one example, the fuel delivery system includes a first chamber configured to enclose a gaseous fuel, a second chamber configured to direct a flow of air through the venturi, and a plunger. The plunger is controlled to selectively connect and disconnect the first chamber and the second chamber to control the flow of the gaseous fuel into the second chamber under a differential pressure of the venturi. | 03-05-2015 |
20150059698 | POSITION BASED AIR/FUEL RATIO CALCULATION IN AN INTERNAL COMBUSTION ENGINE - Some embodiments relate to an internal combustion engine that includes a combustion chamber and a rotating component. The internal combustion engine further includes a sensing system that detects an angular position of the rotating component. A controller calculates a ratio between air and fuel in the combustion chamber based on the detected position of the rotating component. As an example, the rotating component may be a crankshaft where the controller calculates a speed of the crankshaft and an acceleration of the crankshaft based on the detected position of the crankshaft. | 03-05-2015 |
20150069858 | Automatic Diagnosis or Repair for a Generator Controller - A set of generators are connected in parallel using an electrical bus. One of the generators includes selectively connected inputs including a first input associated with a generator and a second input associated with the bus. A controller is configured to receive a first electrical characteristic from the first input assigned to a first connection and a second electrical characteristic from the second input assigned to a second connection. The controller is configured to generate a switching signal to assign the first input to the second connection or assign the second input to the first connection in response to a difference between the first electrical characteristic and the second electrical characteristic exceeding a threshold. | 03-12-2015 |
20150084616 | SYSTEM AND METHOD OF MEASURING POWER PRODUCED BY A POWER SOURCE - Some embodiments relate to a system for measuring power produced by a power source. The system includes a first voltage sensor for sensing a first voltage difference between a first voltage and a second voltage and a second voltage sensor for sensing a second voltage difference between a third voltage and the second voltage. The system further includes a first current sensor for sensing a current difference between a first current and a second current, and a second current sensor for sensing a current difference between a third current and the second current. The system further includes a power measuring device that determines the power produced by the power source using the first and second voltage differences and the first and second current differences. | 03-26-2015 |
20150102783 | METHOD OF CONTROLLING SPEED OF A VARIABLE SPEED GENERATOR - Some embodiments relate to a method of controlling speed of a variable speed generator. The method includes detecting a load of the variable speed generator and determining a target speed for the variable speed generator based on the load supplied by the variable speed generator. The method further includes using a controller to adjust the speed of the variable speed generator based on the target speed. The method may further include correcting the target speed by calculating a correction factor that corrects the target speed based on a voltage produced by the variable speed generator. | 04-16-2015 |
20150180280 | Bus Recovery after Overload - A set of generators are connected in parallel using a generator bus. At least one of the generators is associated with a controller. The controller detects an overload condition on the generator bus caused by a load and disconnects an initial generator from the generator bus in response to the overload condition. The initial generator continues to run during the overload condition after disconnecting from the generator bus but alternator excitation may be removed from the initial generator. The controller initiates starting one or more additional generator without alternator excitation. The controller also initiates connecting the initial generator and the one or more additional generators to the generator bus connected to the load. Alternator excitation is applied to the initial generator and the one or more additional generator so that adequate power may be applied to the load. | 06-25-2015 |
20150180395 | Torque Sharing on Paralleled Generators - Torque is balanced among generators in a system of parallel generators. Control of the generators may be performed by one or more individual generator controllers or by a centralized controller. The torque on two or more generators is detected. The controller calculates a torque target based on the torque on the two generators or other operating characteristics of the system. The operation of at least one of the generators is controlled based on the torque target. | 06-25-2015 |
20150222213 | Field Current Profile - An output of a generator may vary according to the speed of the engine, physical characteristics of the engine, or other factors. A profile for a generator that describes a periodic fluctuation in an operating characteristic for the generator is identified. A field current of an alternator associated with the generator is modified based on the profile for the generator in order to counter variations in the output of the generator. | 08-06-2015 |
20150311749 | Redundant Generator Control - A generator system may include redundant control. The generator system may include any combination of redundant controllers, redundant communication paths, or other redundant control. A generator system may include an electrical bus, a first generator controller, and the second generator controller. The first generator controller may control a first generator breaker for connecting a first generator to the electrical bus and configured to control an external breaker for selectively connecting the electrical bus to an external source. The second generator controller may control a second generator breaker for connecting a second generator to the common bus and configured to control the external breaker for selectively connecting the electrical bus to the external source. | 10-29-2015 |
20150311903 | Communication Over Generator Bus - A generator system includes at least one generator, at least one generator controller, and a power bus. The power bus transmits power to a load circuit. Data communications are also transmitted by the power bus. In one example, multiple generator controllers exchange messages over the power bus. In another example, one or more generator controllers exchange messages with a central controller over the power bus. The messages may include a status for the generators, output values for the generators, or commands for the generators. | 10-29-2015 |
20160049891 | Protective Functions for Parallel Generators - A generator system may include two or more generators electrically connected through a generator bus. A controller receives operation data from a first generator. The operation data may describe a power flow from a second generator to the first generator. From the operation data, either a loss of speed control or a loss of voltage control may be identified at the second generator. The controller may generate a command for the second generator based on the loss of speed control or the loss of voltage control. | 02-18-2016 |
20160108810 | Dual Compressor Turbocharger - A dual compressor turbocharger includes two compressors. One compressor supplies fuel pressure, and one compressor supplies air pressure. The dual compressor turbocharger includes a turbine driven by exhaust of an engine and a shaft coupled to the turbine. The first compressor is mounted on the shaft and includes a first inlet coupled to an air supply and a first outlet coupled to an air intake of the engine. The second compressor is mounted on the shaft and includes a second inlet coupled to a fuel supply and a second outlet coupled to a fuel supply rail of the engine. | 04-21-2016 |
Patent application number | Description | Published |
20110166831 | MULTI-DIMENSIONAL ARTIFACT ASSEMBLAGE FOR INTRASTRUCTURAL AND OTHER ASSETS WITH INTERFACE NODE MEDIATORS - A system and method to compile different types of data from different locations into one reliable assemblage is provided. The assemblage may include an index of information provided to a user. The assemblage may be in the form of a three dimensional (3D) representation of an object, where the 3D representation includes an index and links to more detailed information regarding the object. The 3D representation may be of any object, for example, a body part in the context of medical imaging, or a building in the context of architectural and engineering design. The assemblage may be comprised of 3D and 2D artifacts. The 2D artifact may include 2D vector and raster embellishment in a variety of forms, such as vector graphics, raster graphics from many sources included hand drawn graphics that are scanned, specification documents, texts, cost data from cost databases, data in tabular form, notes, text, dimensions, link icons (links to other media). The 3D artifact may include vector graphics (2D and 3D) including all data obtained through data conversion methods, and “Point clouds” (voxels). | 07-07-2011 |
20110301919 | MULTI-DIMENSIONAL ARTIFACT ASSEMBLAGE FOR INFRASTRUCTURE AND OTHER ASSETS WITH INTERFACE NODE MEDIATORS - A system and method to compile different types of data from different locations into one reliable assemblage is provided. The assemblage may include an index of information provided to a user. The assemblage may be in the form of a three dimensional (3D) representation of an object, where the 3D representation includes an index and links to more detailed information regarding the object. The 3D representation may be of any object, for example, a body part in the context of medical imaging, or a building in the context of architectural and engineering design. The assemblage may be comprised of 3D and 2D artifacts. The 2D artifact may include 2D vector and raster embellishment in a variety of forms, such as vector graphics, raster graphics from many sources included hand drawn graphics that are scanned, specification documents, texts, cost data from cost databases, data in tabular form, notes, text, dimensions, link icons (links to other media). The 3D artifact may include vector graphics (2D and 3D) including all data obtained through data conversion methods, and “Point clouds” (voxels). | 12-08-2011 |
Patent application number | Description | Published |
20090000636 | Mascara For Use With A Vibrating Applicator: Compositions And Methods - Compositions for use with a mascara applicator with vibrating applicator head. The frequency, amplitude and geometry of the vibrating head are sufficient to significantly alter the rheological properties of thixotropic and anti-thixotropic mascara compositions, including an effect that persists after the vibration has stopped. The present invention allows the mascara to be manipulated for improved results, greater flexibility in formulation, benefits in manufacture, as well as other benefits. | 01-01-2009 |
20090324756 | Topical Preparations Comprising Flower Wax And Candelilla - The invention pertains to topical, wax-based compositions comprising one or more flower waxes and candelilla wax, in the ratio of about 20:1 to about 1:20. Such compositions may have improved shear resistance or be substantially plasticizer free. Stick-type and stay-in-place topical preparations are contemplated. | 12-31-2009 |
20120301416 | Cosmetic Composition Containing A Polymer Blend - The present invention relates to a cosmetic composition containing a unique polymer blend, which includes: (a) a first polymeric film-former having a first glass transition temperature ranging from about −20° C. to about 0° C.; (b) a second polymeric film-former having a second glass transition temperature that is at least 50° C. higher than the first glass transition temperature; and (c) a third cross-linked polymeric film-former. The cosmetic composition of the present invention can be applied to human skin or keratinous fibers for forming a film thereon with exceptionally long wearability, reduced flaking and smudge properties, and good removability by warm water. | 11-29-2012 |
20140093465 | Mascara For Use With A Vibrating Applicator: Compositions And Methods - Compositions for use with a mascara applicator with vibrating applicator head. The frequency, amplitude and geometry of the vibrating head are sufficient to significantly alter the rheological properties of thixotropic and anti-thixotropic mascara compositions, including an effect that persists after the vibration has stopped. The mascara may be manipulated for improved results, greater flexibility in formulation, benefits in manufacture, as well as other benefits. | 04-03-2014 |
20150320672 | Mixable Multi-Functional Product and Process for Keratin Fibers - A mixable multi-functional composition for application to keratin fibers such as hair, lashes or brows comprising at least one volatile solvent, at least one siloxane resin, at least one montmorillonite mineral, optionally at least one non-volatile oil, and optionally at least one wax; and a method for coloring keratin fibers comprising the steps of sequentially applying to the fibers, in any order, at least one mixable composition and at least one pigmented composition, wherein upon application the mixable composition mixes and combines with the pigmented composition in the wet state to form a final mixed composition that upon drying forms a compatible and homogeneous film. | 11-12-2015 |
Patent application number | Description | Published |
20080296459 | Fan assembly having improved support arrangement - A fan assembly includes an elongate support member having an end portion that has a first fastener opening defined therein. The fan assembly further includes a motor assembly including (i) a motor having an output shaft, and (ii) a support assembly that supports the motor, the support assembly having a receptacle configured to receive the end portion of the elongate support member therein, and the receptacle having a second fastener opening defined therein. In addition, the fan assembly includes at least one fan blade coupled to the output shaft of the motor so that rotation of the output shaft causes rotation of the at least one fan blade. The fan assembly also includes a resilient interface member having a third fastener opening defined therein, the resilient interface member being (i) positioned within the receptacle, and (ii) interposed between the end portion of the elongate support member and receptacle. Further, the fan assembly includes a fastener extending through the first fastener opening, the second fastener opening, and the third fastener opening. | 12-04-2008 |
20080298961 | Fan assembly having improved hanger arrangement - A fan assembly includes an elongate support member having a first end portion and a second end portion. The fan assembly further includes a motor assembly including (i) a motor having an output shaft, and (ii) a support assembly that supports the motor, the support assembly being secured to the first end portion of the elongate support member. The fan assembly also includes at least one fan blade coupled to the output shaft of the motor so that rotation of the output shaft causes rotation of the at least one fan blade. In addition, the fan assembly includes a bracket assembly having (i) a base, (ii) a first support extending from the base, (iii) a second support extending from the base, (iv) a first jaw interposed between the first support and the second support, and (v) a second jaw interposed between the first support and the second support. The fan assembly also includes a first fastener. The first jaw and the second jaw are spaced apart from each other to define a space. The second end portion of the elongate support member is positioned within the space. The first fastener extends through each of the first support, the first jaw, the second end portion of the elongate support member, the second jaw and the second support. | 12-04-2008 |
20080298968 | Fan assembly having protective motor housing that accommodates cyclic movement - A fan includes a frame and a motor having (i) a motor structure that is movable in relation to the frame in a path of movement, and (ii) an output shaft that is rotatable in relation to the motor structure. The fan further includes at least one fan blade coupled to the output shaft so that rotation of the output shaft causes rotation of the at least one fan blade. Also, the fan includes a first housing portion defining a first cavity and a second housing portion defining a second cavity. The second housing portion is movable in relation to the first housing portion. One of the first housing portion and the second housing portion is fixed in relation to the frame. The other of the first housing portion and the second housing portion is fixed in relation to the motor structure. The first cavity of the first housing portion and the second cavity of the second housing portion collectively define a space in which the motor structure is positioned. The first housing portion is at least partially positioned within the second cavity of the second housing portion during movement of the motor structure in relation to the frame in the path of movement. | 12-04-2008 |