Patent application number | Description | Published |
20090023040 | OXYGEN REMOVAL SYSTEMS DURING FUEL CELL SHUTDOWN - A purging system for removing oxygen from a fuel cell system during a shutdown period for the fuel cell system. The purging system includes a separator having an inlet and an outlet; a first exhaust line for communicating a first exhaust gas stream from an outlet of the fuel cell system to the separator inlet during the shutdown period of the fuel cell system; and a second exhaust line for communicating a second exhaust gas stream to an inlet of the fuel cell system for delivering the second exhaust gas stream to the fuel cell system during the shutdown period. The separator removes oxygen from the first exhaust gas stream such that the first stream nitrogen molar volume is lower than the second steam nitrogen molar volume and the first stream oxygen molar volume is higher than the second stream oxygen molar volume. | 01-22-2009 |
20100330452 | Layered Electrodes and Membrane Electrode Assemblies Employing the Same - According to at least one aspect of the present invention, a layered catalyst having an active area is provided. In at least one embodiment, the layered electrode includes a first catalyst layer having a first noble metal concentration and a first ionomer concentration, and a second catalyst layer disposed next to the first catalyst layer, the second catalyst layer having a second noble metal concentration different from the first noble metal concentration and a second ionomer concentration different from the first ionomer concentration. In at least another embodiment, the metallic alloy includes a metallic alloy of platinum, nickel, and cobalt. | 12-30-2010 |
20110143204 | Lithium-Containing Electrode Material for Electrochemical Cell Systems - An electrode material is provided to include a Li-containing oxide of the formula of Li(Ni | 06-16-2011 |
20120315557 | OXYGEN REMOVAL SYSTEMS DURING FUEL CELL SHUTDOWN - A purging system for removing oxygen from a fuel cell system during a shutdown period for the fuel cell system. The purging system includes a separator having an inlet and an outlet; a first exhaust line for communicating a first exhaust gas stream from an outlet of the fuel cell system to the separator inlet during the shutdown period of the fuel cell system; and a second exhaust line for communicating a second exhaust gas stream to an inlet of the fuel cell system for delivering the second exhaust gas stream to the fuel cell system during the shutdown period. The separator removes oxygen from the first exhaust gas stream such that the first stream nitrogen molar volume is lower than the second steam nitrogen molar volume and the first stream oxygen molar volume is higher than the second stream oxygen molar volume. | 12-13-2012 |
20150097524 | VEHICLE AND METHOD FOR CONTROLLING A BATTERY IN A VEHICLE - A vehicle has a control system configured to perform, and a method for controlling a battery in a vehicle includes, the steps of modifying a state of charge of at least some battery cells in the battery, based on: a vehicle idle state, and the battery having at least a predetermined decay rate. The SOC of the at least some battery cells is modified such that the battery has less than the predetermined decay rate after the SOC is modified. | 04-09-2015 |
Patent application number | Description | Published |
20100141046 | ENERGY REDUCTION - A power reduction system includes a central server and a plurality of power reduction devices. The central server of the power reduction aggregation system includes: a network interface configured to transmit and receive information to and from a communication network; a power grid status module coupled to the network interface and configured to transmit a power status message to the network, via the network interface, toward at least two power reduction devices connected to the network; and a power savings compensation module configured to determine an aggregate compensation earned for providing an aggregate energy reduction induced by the at least two power reduction devices in response to receiving the power status message, and further configured to determine individual portions of the aggregate compensation associated with each of the at least two power reduction devices. | 06-10-2010 |
20100145884 | ENERGY SAVINGS AGGREGATION - A power reduction aggregation system includes a central server and a plurality of power reduction devices. The central server of the power reduction aggregation system includes: a network interface configured to transmit and receive information to and from a communication network; a power grid status module coupled to the network interface and configured to transmit a power status message to the network, via the network interface, toward at least two power reduction devices connected to the network; and a power savings compensation module configured to determine an aggregate compensation earned for providing an aggregate energy reduction induced by the at least two power reduction devices in response to receiving the power status message, and further configured to determine individual portions of the aggregate compensation associated with each of the at least two power reduction devices. | 06-10-2010 |
20100188066 | SYSTEM AND METHOD FOR LIMITING LOSSES IN AN UNINTERRUPTIBLE POWER SUPPLY - Aspects of the invention are directed to systems and method for limiting losses in an uninterruptible power supply. In one aspect, the present invention provides an uninterruptible power supply (UPS) comprising an input to receive input power having an input voltage, an output to provide output power having an output voltage, a neutral line, an automatic voltage regulation (AVR) transformer coupled to the input and the output of the UPS and having an input, an output, a core and at least one switch controllably coupled to at least one of the core, the input and the output, and a means for isolating the core of the AVR transformer from the neutral line when the input voltage is substantially equal to a defined output voltage. | 07-29-2010 |
20110291488 | SYSTEM FOR SELF-POWERED, WIRELESS MONITORING OF ELECTRICAL CURRENT, POWER AND ENERGY - According to one aspect, embodiments of the invention provide a system for monitoring at least one circuit branch coupled to a power line, the system comprising at least one first module comprising a Current Transformer (CT) configured to be coupled to the at least one circuit branch and to produce a reference signal having a level related to a current level of the at least one circuit branch, a rectifier coupled to the CT and configured to produce a rectified reference signal, a capacitor coupled to the rectifier, and a first microcontroller coupled to the capacitor and the rectifier, wherein, the capacitor is configured to store energy from the rectified reference signal, and wherein, the first microcontroller is configured to be powered by the energy stored in the capacitor and to sample the rectified reference signal to determine the current level of the at least one circuit branch. | 12-01-2011 |
20120126785 | SYSTEM AND METHOD FOR CIRCUIT OVERCURRENT PROTECTION - In one aspect, the invention provides a method for overcurrent sensing including; generating an analog output signal representative of a sensed AC current, generating a digital representation of the analog output signal using a plurality of discrete samples, determining those of the plurality of discrete samples having a substantially identical magnitude and estimating an amount of overcurrent in the sensed AC current by evaluating those of the plurality of discrete samples that have the substantially identical magnitude. In some embodiments, the substantially identical magnitude is a maximum magnitude represented by the digital representation. | 05-24-2012 |
20120232712 | ENERGY REDUCTION - A power reduction aggregation system for controlling and measuring power usage at a plurality of individual user locations which includes a plurality of power reduction controllers and a power reduction module. Each power reduction controller is disposed at one of the plurality of individual user locations and includes a controller module and an energy consumption module. The controller module is configured to selectively control power to a plurality of loads associated with each of the individual user locations. The energy consumption module is coupled to the controller module and is configured to determine energy reduction indicia associated with at least one of the plurality of loads. The power reduction module is communicatively coupled to each of the plurality of power reduction controllers and is configured to determine an aggregate energy reduction estimate by combining the energy reduction indicia determined by the plurality of power reduction controllers. | 09-13-2012 |
20120268106 | SMART CURRENT TRANSFORMERS - According to one aspect, embodiments of the invention provide a current monitoring device comprising a current transformer configured to be removeably coupled to a power line and to generate a reference signal having a level related to a current level of the power line, a sensor circuit connected to the current transformer and configured to be removeably coupled to a communications bus and to convert the reference signal to a digital reference signal and provide a signal indicative of the current level to the communication bus, and a housing containing the sensor circuit and the current transformer. | 10-25-2012 |
20120271570 | SYSTEM OF INTELLIGENT SENSORS IN AN ELECTRICAL PANELBOARD - According to one aspect, embodiments of the invention provide a system for monitoring a plurality of circuit branches, the system comprising a plurality of current sensors, each configured to be coupled to at least one of the plurality of circuit branches and to produce a signal having a level related to a current level of the one of the plurality of circuit branches, a communications bus, a plurality of sensor circuits, wherein each one of the plurality of sensor circuits is configured to convert the signal from the associated one of the plurality of current sensors to a digital measurement signal and provide the digital measurement signal to the communication bus, and a controller configured to receive the digital measurement signal from each sensor circuit over the communication bus and transmit data related to the digital measurement signal from each sensor circuit to an external client. | 10-25-2012 |
20120271579 | SYSTEM AND METHOD TO CALCULATE RMS CURRENT AND TRUE POWER IN A MULTIDROP SENSOR NETWORK - According to one aspect, embodiments of the invention provide a system for monitoring a plurality of circuit branches coupled to an input line, the system comprising a communication bus, a plurality of sensor circuits, each configured to be coupled to the communication bus and at least one of the plurality of circuit branches, wherein each sensor circuit is further configured to sample current in the at least one of the plurality of circuit branches, a controller configured to be coupled to the communication bus and the input line; wherein the controller is further configured to sample voltage on the input line, and wherein the controller is further configured to synchronize, via the communication bus, current sampling performed by the plurality of sensor circuits with the voltage sampling performed by the controller. | 10-25-2012 |
20120271924 | SYSTEM AND METHOD FOR AUTOMATICALLY ADDRESSING DEVICES IN A MULTI-DROP NETWORK - Systems and methods that automatically assign addresses to devices coupled to a shared bus are provided. In one example, a system for assigning addresses to a plurality of devices within a network includes a memory and at least one processor coupled to the memory. The system is configured to instruct all of the plurality of devices to respectively select a first dynamic address from a first set of dynamic addresses, respectively assign a different static address to each device having a first dynamic address that uniquely identifies the device, instruct all of the plurality of devices having a first dynamic address that identifies at least two devices to respectively select a second dynamic address from a second set of dynamic addresses and respectively assign another different static address to each device having a second dynamic address that uniquely identifies the device. | 10-25-2012 |
20130002029 | SYSTEM AND METHOD FOR LIMITING LOSSES IN AN UNINTERRUPTIBLE POWER SUPPLY - Aspects of the invention are directed to systems and method for limiting losses in an uninterruptible power supply. In one aspect, the present invention provides an uninterruptible power supply (UPS) comprising an input to receive input power having an input voltage, an output to provide output power having an output voltage, a neutral line, an automatic voltage regulation (AVR) transformer coupled to the input and the output of the UPS and having an input, an output, a core and at least one switch controllably coupled to at least one of the core, the input and the output, and a means for isolating the core of the AVR transformer from the neutral line when the input voltage is substantially equal to a defined output voltage. | 01-03-2013 |
20150016158 | METHOD FOR PROVIDING LOW VOLTAGE DC POWER FROM AC MAINS POWER - According to one aspect, embodiments of the invention provide a power supply system comprising an input line configured to receive input AC power, a first capacitor coupled to the input line, a second capacitor, a controller, a rectifier having an input coupled to the first capacitor and an output coupled to the second capacitor, the second capacitor further coupled to the controller, and a switch selectively coupled across the first capacitor, and configured to selectively bypass the first capacitor, wherein the controller is configured to detect a voltage across the second capacitor, operate the switch to charge the second capacitor at a first rate if the voltage is above a predetermined threshold, and operate the switch to charge the second capacitor at a second rate if the voltage is below a predetermined threshold. | 01-15-2015 |
Patent application number | Description | Published |
20130280382 | Natural Nutritional Supplements - Dietary nutritional supplements specially formulated for use by high school, college and professional athletes, especially wrestlers. The nutritional supplements provide a natural, clean, safe and non-toxic way to promote health and aid athletes in training and competition. The nutritional supplements build strength, endurance and stamina, replenish electrolytes lost during intense sweating, provide essential nutrients, and increase and sustain energy. The nutritional supplements can be mixed with each other in various combinations to provide athletes with essential nutrients as necessary based on the activity undertaken. While designed primarily for athletes with demanding workout routines, the nutritional supplements can benefit persons of all ages by providing essential nutrients, vitamins and minerals. Through the use of natural and non-toxic ingredients, the nutritional supplements are designed to provide beneficial vitamins and minerals without leading to violations of anti-doping regulations or causing other detrimental effects. | 10-24-2013 |
20150024089 | Natural nutritional supplements - Dietary nutritional supplements specially formulated for use by high school, college and professional athletes, especially wrestlers. The nutritional supplements build strength, endurance and stamina, replenish electrolytes lost during intense sweating, provide essential nutrients, and increase and sustain energy. The nutritional supplements can be mixed with each other in various combinations to provide athletes with essential nutrients as necessary based on the activity undertaken. While designed primarily for athletes with demanding workout routines, the nutritional supplements can benefit persons of all ages by providing essential nutrients, vitamins and minerals. Through the use of natural and nontoxic ingredients, the nutritional supplements are designed to provide beneficial vitamins and minerals without leading to violations of anti-doping regulations or causing other detrimental effects. Especially preferred formulations include the combination of various essential amino acids and vitamin B combinations that are stable and can be delivered orally as a spray. | 01-22-2015 |