Patent application number | Description | Published |
20090058191 | TRANSFER SWITCH - A system for use with an electrical distribution panel having a bonded neutral connection. In some embodiments, the system includes a generator having a first bonded neutral connection and a ground fault circuit interrupter. The system also includes a neutral bus that is connected to either the bonded neutral connection of the distribution panel or the bonded neutral connection of the generator. Additionally, the system includes a switch for disconnecting the neutral bus from the bonded neutral connection of the distribution panel and connecting the neutral bus to the bonded neutral connection of the generator. | 03-05-2009 |
20090240377 | POWER MONITORING SYSTEM - The invention provides a hierarchically accessible monitoring system configured to be used with a standby generator, and a method of remotely accessing generator information from a standby generator. The hierarchically accessible monitoring system includes an interface unit configured to receive information from the standby generator and to communicate the generator information, and a remote data server in communication with the interface unit. The remote data server receives the generator information from the interface unit, stores the generator information, and controls access to the generator information based upon at least two hierarchical levels, each hierarchical level having different access privileges. The hierarchically accessible monitoring system also includes a user interface configured to display the generator information from the remote data server to at least one user. The user has access privileges to read the generator information based upon the user's assigned hierarchical level. | 09-24-2009 |
20100225167 | POWER MANAGEMENT SYSTEM AND METHOD OF OPERATING THE SAME - A power management system connectable to a primary power source and a secondary power source, and a method of operating the power management system. A transfer switch is electrically connected to the primary and secondary power sources, and a plurality of branch circuits are electrically connected to the transfer switch. The plurality of branch circuits includes a plurality of electrical outlets. The system includes a controller wirelessly coupled to a plurality of portable receptacles, which are coupled between respective electrical outlets and managed devices. The controller manages the receptacles, and consequently the managed devices, during the second power source powering the transfer switch. | 09-09-2010 |
20110054707 | SYSTEM AND METHOD FOR CONTROLLING POWER USAGE - A control system for a home generator includes circuitry configured to determine a first cost of electricity provided by an off-site provider, determine a second cost of electricity produced by the home generator, compare the first cost with the second cost, and provide the result of the comparison as an output. | 03-03-2011 |
20110175453 | METER SOCKET TRANSFER SWITCH - A control system for a home electrical system includes a first switch installed at a meter socket of a utility module for controlling flow of electricity from a utility source to an electrical load, a second switch installed in a home generator for controlling flow of electricity from the generator to the electrical load, and circuitry configured to actuate the first and second switches. The circuitry includes at least one interlock to provide power to the electrical load from only one of the utility source and the generator at any given time. | 07-21-2011 |
20110175597 | SIGNAL TESTING APPARATUS FOR LOAD CONTROL SYSTEM - A system for testing power line carrier signal integrity or strength in a building electrical system includes a transmitter module electrically coupled to a first electrical outlet and configured to transmit a power line carrier signal over the building electrical system. The system also includes a receiver module electrically coupled to a second electrical outlet and configured to receive the power line carrier signal from the transmitter module. The receiver module includes circuitry configured to determine whether at least one of the integrity and strength of the power line carrier signal is sufficient for a load control system installed in the building electrical system to communicate with relay modules installed in the building electrical system using power line carrier signals. The receiver module includes a user interface configured to provide an indication of at least one of the integrity and strength of the power line carrier signal. | 07-21-2011 |
20110260473 | METHOD FOR STANDBY GENERATOR RESTART AFTER FAULT SHUT-DOWN - A standby generator that includes a control unit that allows the standby generator to be automatically restarted upon termination of the generator operation due to a fault condition. The control unit of the standby generator monitors various conditions of the standby generator and terminates operation of the standby generator upon detection of any one of a plurality of fault conditions. After the generator operation has been terminated, the control unit determines whether the fault condition is one of a series of fault conditions that allows automatic restarting. If the fault condition allows for automatic restarting, the control unit monitors the status of the generator and will automatically restart the generator after removal of the fault condition. | 10-27-2011 |
20110298285 | ACTIVE LOAD MANAGEMENT SYSTEM - A method and system for managing loads powered by a standby generator. The method includes utilizing a transfer switch control unit to selectively shed loads each associated with one of a series of priority circuits. The loads are shed in a sequential order based upon the priority circuit to which the load is applied. Once a required load has been shed, the control unit determines whether any of the lower priority loads can be reconnected to the generator without exceeding the rating of the generator while one of the higher priority circuits remains open. | 12-08-2011 |
20110298286 | DYNAMIC LOAD SHEDDING SYSTEM FOR A STANDBY GENERATOR - A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads. | 12-08-2011 |
20120038171 | PORTABLE POWER SUPPLY HAVING BOTH INVERTER POWER SUPPLY AND TRADITIONAL POWER SUPPLY RECEPTACLES - A generator for providing electric power. The generator includes an engine associated with an alternator. Rotation of the engine causes the alternator to generate an AC source voltage that is fed to at least one analog output receptacle. The generator further includes an inverter connected to receive the AC source voltage and generate a digital AC output voltage having a constant voltage value and a constant frequency. The inverter allows the engine to operate at less than full speed when an electric load is drawing a relatively low amount of power from the generator. The analog receptacle allows larger electric loads to be connected to the generator where the electric loads cannot be supported by the digital AC output voltage. | 02-16-2012 |
20120181872 | PARALLELING OF TWO TRANSFER SWITCHES - A backup power management system connectable to a primary power source and a secondary power source, and a method of operating the same. The system includes a single controller that is connected to both a first transfer switch contactor and a second transfer switch contactor. Both the primary power source and a secondary power source are broken into two separate output supplies. The two separate output supplies from the primary power source and the secondary power source are each provided to one of the first and second transfer switch contactors. The single controller sends signals to the first and second transfer switch contactors to control the movement of the contactors between first and second positions. In this manner, the single controller controls both the first transfer switch contactor and the second transfer switch contactor. | 07-19-2012 |
20120204584 | METHOD AND APPARATUS FOR CONTROLLING THE COOLING AND HEATING FUNCTIONS OF A HEAT PUMP - A method and system for controlling the operation of a heat pump in a load management system. The system includes a heat pump control module positioned between a thermostat and the heat pump. The heat pump module includes a pair of switching elements positioned between the control outputs of the thermostat and the compressor and heating element of the heat pump. A transfer switch control unit can selectively open and close each of the switching element to interrupt the control signals from the thermostat to the compressor and the heating element of the heat pump. The heat pump module is a self-contained unit including both of the switching elements such that a single load control module can be positioned between the thermostat and the heat pump and control both elements of the heat pump. | 08-16-2012 |
20130187462 | ACTIVE LOAD MANAGEMENT SYSTEM - A method and system for managing loads powered by a standby generator. The method includes utilizing a transfer switch control unit to selectively shed loads each associated with one of a series of priority circuits. The control unit selects the loads to shed from the generator based upon various different calculations such that the loads are shed in the least objectionable manner to the home owner. Once loads have been shed, the control unit determines whether any of the shed loads can be reconnected to the generator without exceeding the rating of the generator. The system and method allows the control units to selectively connect and disconnect priority loads to optimize the operation of the control unit to selectively shed and connect priority loads. | 07-25-2013 |
20130193757 | DYNAMIC LOAD SHEDDING SYSTEM FOR A STANDBY GENERATOR - A method and system for managing electrical loads on a standby generator. The method includes utilizing a transfer switch control to selectively shed loads each associated with one of a series of priority circuits. Priority values are initially assigned to each of the electric loads based upon the initial hard-wired connection of the electric loads to a main breaker panel during set up. The control unit of a transfer switch allows the user to reassign priority values to each of the electric loads based upon a user preference. The control unit includes one or more predefined priority assignment programs that can be selected to modify the priority values assigned to the electric loads. | 08-01-2013 |
20140042809 | PARALELLING OF TWO TRANSFER SWITCHES - A backup power management system connectable to a primary power source and a secondary power source, and a method of operating the same. The system includes an enclosed housing that receives a control system including first and second controllers that are connected to a first transfer switch contactor and a second transfer switch contactor within the housing. Both the primary power source and a secondary power source are broken into two separate output supplies. The two separate output supplies from the primary power source and the secondary power source are each provided to one of the first and second transfer switch contactors. The control system sends signals to the first and second transfer switch contactors to control the movement of the contactors between first and second positions. The power management system can also include a load management controller to control the load on the secondary power source. | 02-13-2014 |
20160072420 | GENERATOR WITH POWER OUTPUT DURING ENGINE IDLE - A generator includes an engine, an alternator coupled to the engine for providing power to a load, a controller coupled to the engine for operating the engine at a run speed and an idle speed, and a converter coupled to the alternator for converting a voltage provided by the alternator from a first frequency to a second frequency to power the load when the engine is operating at the idle speed. | 03-10-2016 |
Patent application number | Description | Published |
20090191101 | CATALYST AND SYSTEMS INCORPORATING THE CATALYST - A catalyst includes a carrier body and a catalytic portion carried by the carrier body. The catalytic portion includes a plurality of distinct layers of catalytic material, which layers may be deposited through atomic layer deposition techniques. The catalyst may have a selectivity for the conversion of alkanes to alkenes of over 50%. The catalyst may be incorporated in a reactor such as a fluidized bed reactor or a single pass reactor. | 07-30-2009 |
20090304920 | SPATIALLY CONTROLLED ATOMIC LAYER DEPOSITION IN POROUS MATERIALS - Methods for the selective deposition of materials within a porous substrate. The methods use the passivating effects of masking precursors applied to the porous substrate. A portion of a pore surface within the substrate is masked by exposing the substrate to one or more masking precursors. The depth of the pore surface that is masked is controllable by regulating the exposure of the substrate to the masking precursor. Application of the masking precursor prevents adsorption of one or more subsequently applied metal precursors about a portion of the pore surface coated by the masking precursor. Less than an entirety of the unmasked pore surface is coated by the metal precursor, forming a metal stripe on a portion of the pore surface. The depth of the metal stripe is controllable by regulating exposure of the porous substrate to the metal precursor. Subsequent exposure of the substrate to a saturating water application oxidizes the deposited precursors. | 12-10-2009 |
20120172211 | METAL CONTAINING COMPOSITES - Embodiments include metal ( | 07-05-2012 |
20130330815 | Compositions, Devices And Methods For SERS And LSPR - The present invention relates to compositions, devices and methods for detecting microorganisms (e.g., anthrax). In particular, the present invention provides portable, surface-enhanced Raman biosensors, and associated substrates, and methods of using the same, for use in rapidly detecting and identifying microorganisms (e.g., anthrax). | 12-12-2013 |
20160075617 | SUPPORTED METAL OXIDES FOR OLEFIN METATHESIS AND RELATED METHODS - A method is provided comprising exposing a supported heterogeneous metathesis catalyst to an olefin compound for an activation time at an activation temperature; exposing the activated supported heterogeneous metathesis catalyst to a reactant capable of undergoing a metathesis reaction for a reaction time at a reaction temperature to produce metathesis products; and exposing the deactivated supported heterogeneous metathesis catalyst to a regenerating compound for a regeneration time at a regeneration temperature. The activity of the regenerated supported heterogeneous metathesis catalyst may be substantially the same or greater than the activity of the activated supported heterogeneous metathesis catalyst prior to deactivation. The activation temperature may be greater than the reaction temperature. The regenerating compound may be a second olefin compound or an inert gas. | 03-17-2016 |
Patent application number | Description | Published |
20120139345 | CONTROL METHOD OF HYBRID POWER BATTERY CHARGER - A power supply system and method for operating same. The power supply system is connectable to receive power from an adapter and supply power to a load. The power supply system includes a rechargeable battery, a buck mode circuit, and a boost mode circuit. A switching circuit switches between the buck mode circuit and boost mode circuit for supplying power to the load. If the power required by the load reaches a first predetermined level related to an adapter overload condition for a first predetermined time, the switching circuit disconnects said buck mode circuit from the load and connects the rechargeable battery and the boost mode circuit to said load. The first predetermined level may be established by a first predetermined percent of the current of a dynamic power management level established by the load, which is related to a power level below that which can be provided by the adapter. | 06-07-2012 |
20120139500 | METHOD FOR LIMITING BATTERY DISCHARGING CURRENT IN BATTERY CHARGER AND DISCHARGER CIRCUIT - A power supply system includes a rechargeable battery to deliver a supply current to a load and a circuit to limit a discharge current when the rechargeable battery is supplying power to the load. The power supply system may further include an integrator for integrating a discharge voltage representing the discharge current that exceeds a predetermined limit, a pulse-width-modulation (PWM) circuit for producing a control signal having a PWM duty cycle representing the discharge voltage, and a driver circuit for delivering the supply current to said load according to said control signal. In one embodiment, a digital register is used to set the battery discharging current limit, in another embodiment an analog circuit is used to set the battery discharging current limit, and in yet another embodiment or a combination of the digital register and analog circuit is used to set the battery discharging current limit. | 06-07-2012 |
20160072331 | METHOD FOR LIMITING BATTERY DISCHARGING CURRENT IN BATTERY CHARGER AND DISCHARGER CIRCUIT - A power supply system includes a rechargeable battery to deliver a supply current to a load and a circuit to limit a discharge current when the rechargeable battery is supplying power to the load. The power supply system may further include an integrator for integrating a discharge voltage representing the discharge current that exceeds a predetermined limit, a pulse-width-modulation (PWM) circuit for producing a control signal having a PWM duty cycle representing the discharge voltage, and a driver circuit for delivering the supply current to said load according to said control signal. In one embodiment, a digital register is used to set the battery discharging current limit, in another embodiment an analog circuit is used to set the battery discharging current limit, and in yet another embodiment or a combination of the digital register and analog circuit is used to set the battery discharging current limit. | 03-10-2016 |
Patent application number | Description | Published |
20140318762 | Scale Prevention Treatment Method, System, and Apparatus for Wellbore Stimulation - A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a wellbore, comprising contacting a fluid comprising scale-forming ions with a quantity of template-assisted crystallization beads in a vessel to form a treated fluid, wherein the template-assisted crystallization beds are mobile within the vessel and placing the treated fluid into a wellbore, a subterranean formation, or a combination thereof. | 10-30-2014 |
20140318777 | Scale Prevention Treatment Method, System, and Apparatus for Wellbore Stimulation - A method of servicing a wellbore comprising placing a wellbore servicing apparatus into a wellbore, wherein the wellbore servicing apparatus contains a plurality of mobilized template-assisted crystallization beads and contacting a fluid comprising scale-forming ions with at least a portion of the template-assisted crystallization beads. A method of servicing a wellbore, comprising contacting a fluid comprising scale-forming ions with a quantity of template-assisted crystallization beads in a vessel to form a treated fluid, wherein the template-assisted crystallization beds are mobile within the vessel and placing the treated fluid into a wellbore, a subterranean formation, or a combination thereof. | 10-30-2014 |