Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 8004251 | Method and apparatus for modifying interactions between an electrical generator and a nonlinear load A method and apparatus for modifying interactions between an electrical generator and a nonlinear load is described. One illustrative embodiment receives a main control signal at a control input of an engine of the electrical generator, the main control signal contr... | 08/23/2011 |
| 7977925 | Systems and methods involving starting variable speed generators An exemplary method for starting a generator, the method comprising, starting a rotor with an AC voltage across the rotor. Starting a stator. Increasing a speed of the rotor. ... | 07/12/2011 |
| 7570028 | Method and apparatus for modifying interactions between an electrical generator and a nonlinear load A method and apparatus for modifying interactions between an electrical generator and a nonlinear load is described. One illustrative embodiment receives a main control signal at a control input of an engine of the electrical generator, the main control signal contr... | 08/04/2009 |
| 7432609 | Exhaust gas-driven generator system and method of controlling electrical system An amount of electric power generatable by an exhaust gas-driven rotating electric machine is determined corresponding to an operating point, so that an increment amount of fuel by the exhaust gas-driven electric power generation is smaller than engine-driven altern... | 10/07/2008 |
| 7375500 | Method of calculating power generating torque of synchronous generator A method of calculating torque of a Lundell-type synchronous generator is disclosed in which only power generation output current and a rotational speed are input for calculation of the amount of electric power and the amount of losses for thereby enabling calculati... | 05/20/2008 |
| 7368893 | Voltage control apparatus for electric generator of vehicle In a vehicle voltage control apparatus which regulates the output voltage of the vehicle electric generator and which receives an external control signal for lowering the regulated voltage value, from an external apparatus such as the engine ECU during engine starti... | 05/06/2008 |
| 7365520 | Vehicle-generator output voltage control apparatus The vehicle-generator output voltage control apparatus includes a voltage control circuit regulating an output voltage of a vehicle generator by controlling a field current flowing into a field winding of the vehicle generator by controlling a conduction state of a ... | 04/29/2008 |
| 7358711 | Adaptive control loop A digital controller for controlling a regulated output of an output regulator. The output regulator responsive to a pulse width signal for controlling the transfer of energy between an input source and the regulated output. The digital controller including a duty c... | 04/15/2008 |
| 7355296 | Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel ... | 04/08/2008 |
| 7330014 | Method and system for controlling power to be fed to electrical loads In a control system, a control unit is connected to a generator and is configured to, when a steep change in a load current flowing through at least one specific electrical load is sensed, control the output of the generator based on the sensed steep change in the l... | 02/12/2008 |
| 7315091 | Method and system for controlling power to be fed to electrical loads In a control system, a control unit is connected to a generator and is configured to, when a steep change in a load current flowing through at least one specific electrical load is sensed, control the output of the generator based on the sensed steep change in the l... | 01/01/2008 |
| 7309974 | System and method for AC power generation from a reluctance machine A system and method is provided for generating AC power using a synchronous reluctance machine (12) or a salient-pole synchronous machine (102) and a power converter (110). The present invention can be used to achieve power production for a sync... | 12/18/2007 |
| 7304455 | Power generation controller The power generation controller includes a control command receiving section receiving a control command transmitted from an external control unit for controlling an internal combustion engine, a control command holding section holding the control command received b... | 12/04/2007 |
| 7298115 | Control apparatus for a vehicular alternator A control apparatus for a vehicular alternator can improve its reliability and reduce its cost by attenuating a field current of a rotor coil with a simple circuit. The apparatus includes an armature coil, a rectifier circuit, a rotor coil and a voltage control circ... | 11/20/2007 |
| 7292006 | Controlled DC power supply for a human powered vehicle A DC power supply apparatus used with a power storage element comprises a rectifier circuit that converts AC current from an alternating current generator into a DC current; an input current adjusting circuit that receives DC current from the rectifier circuit to ad... | 11/06/2007 |
| 7285938 | Apparatus for controlling on-vehicle generator A generation controller controls an amount of power generated by an on-vehicle generator responsively to a command signal from an external controller. The generation controller comprises detection, determination, and output control units. The detection unit detects ... | 10/23/2007 |
| 7271571 | Anti-islanding protection systems for synchronous machine based distributed generators A system for providing anti-islanding protection of a synchronous machine based distributed generator includes a frequency sensor configured to generate a generator frequency signal, a bandpass filter configured for filtering the generator frequency signal, a govern... | 09/18/2007 |
| 7259470 | Power control device for vehicle In a power control device for a vehicle, a monitoring control device 2 disposed separately from a power converter 1 judges normality/abnormality of the power converter 1, and sets an abnormality-occurrence electric generation switching signal | 08/21/2007 |
| 7250689 | Common composition engine control unit and voltage regulator A control unit assembly is disclosed including a housing, at least one processor to control operation of an engine, and a voltage regulator configured to regulate a voltage of at least one rail of the engine. The at least one processing unit and the voltage regulato... | 07/31/2007 |
| 7242166 | Electric machine A method and an apparatus are described for monitoring a rotating synchronous electric machine (9), which comprises a rotor winding and a stator having a stator winding. The method comprises the steps of determining the stator winding current, determining the... | 07/10/2007 |
| 7215099 | Method in frequency converter provided with voltage intermediate circuit, and frequency converter A method in a frequency converter provided with a voltage intermediate circuit in connection with interference in a network (5) to be supplied and a frequency converter (2), which comprises a network converter part (4) and an inverter part (3... | 05/08/2007 |
| 7205676 | Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel ... | 04/17/2007 |
| 7202638 | Anti-islanding protection systems for synchronous machine based distributed generators A system for providing anti-islanding protection of a synchronous machine based distributed generator includes a frequency sensor configured to generate a generator frequency signal, a bandpass filter configured for filtering the generator frequency signal, a govern... | 04/10/2007 |
| 7199559 | Electric power generating system for vehicle An electric power generating system for a vehicle includes a generator having a field coil, a voltage regulator, a temperature sensor for sensing temperature of the voltage regulator, a field current restricting circuit that directly restricts field current if tempe... | 04/03/2007 |
| 7183667 | Method and apparatus for power inverter synchronization A control circuit synchronizes an ac power inverter to the mains voltage of an electrical grid by matching the fundamental phasor components of the inverter's output voltage to the fundamental phasor components of the mains voltage. Once such matching meets an accep... | 02/27/2007 |
| 7180200 | Starter system for portable internal combustion engine electric generators using a portable universal battery pack A generator starting system utilizes a portable universal battery pack to start an internal combustion engine of the generator. The system is adapted to utilize any one of a plurality of universal battery packs having outputs of varying voltage. The generator can in... | 02/20/2007 |
| 7168974 | Three phase lighted plugs and connectors for indicating the absence of at least one phase Indicator means located in a plug or connector indicates when at least one phase of an AC multi-phase voltage is absent. The indicator means can be any one of a variety of light sources and/or an audible generator. The light source can be, for example, an LED, an il... | 01/30/2007 |
| 7106028 | Controller of A.C. generator for vehicles The structure of the present invention includes: a switching element inserted in series in a field coil of an A.C. generator for intermittently controlling a field current supplied to the field coil in accordance with an output voltage from the A.C. generator in ord... | 09/12/2006 |
| 7095130 | Wind turbine generator system To shorten a startup interval to reach a synchronizing condition, a phase difference and an amplitude difference between the grid voltage and the stator voltage of one phase of a winding are obtained. The difference in amplitude is decreased prior to or in parallel ... | 08/22/2006 |
| 7091702 | Digital real and reactive load division control The present invention is a generator control system where each generator in the system has an associated controller. Each controller communicates generator data or information with the other controllers in the generator control system. Each of the controllers includ... | 08/15/2006 |
| 7088012 | Transverse hydroelectric generator A power plant extracts energy from a free flowing motive fluid by means of a transverse mounted generator with its rotor extending downward into the flow. Runner blades with hinges attain the greatest surface area when the flow is tangent to and in the same directio... | 08/08/2006 |
| 7084590 | Booster and motor controller A voltage sensor (101) is connected to output terminals (P, N) of a booster. The voltage sensor (101) detects a boosted voltage, and outputs the detected voltage to a first drive controller (102). The first drive controller (102) outputs ... | 08/01/2006 |
| 7078881 | Vehicle AC generator apparatus having improved generator control apparatus A vehicle AC generator apparatus includes one or more rectifier elements for rectifying a generated AC voltage, and a generator control apparatus which monitors the voltage difference between opposing terminals of a rectifier element, to thereby detect the commencem... | 07/18/2006 |
| 7075272 | Control device for vehicle AC generator In a control apparatus of a vehicle AC generator, a flip-flop for receiving a clock pulse with a constant period and a control pulse is used. The clock pulse sets the control period at the constant period, and decides an on timing of the power transistor in this con... | 07/11/2006 |
| 7071656 | Torque computation unit for vehicle generator A torque computation unit of a vehicle generator includes a rotor, an armature winding, a field coil and a field current switching element. The torque computation unit includes a field current detecting circuit, an output current detecting circuit and a rotation spe... | 07/04/2006 |
| 7045913 | Microturbine engine system A microturbine engine that includes a compressor that is operable to provide a flow of compressed air. The compressed air flows through a recuperator where it is preheated before delivery to a combustor. The preheated compressed air mixes with a fuel and is combuste... | 05/16/2006 |
| 7023192 | Output regulator system and method An output regulator to convert an input voltage to a regulated output. The output regulator including a power stage to generate a power output from the input voltage. An output filter to filter the power output to generate the regulated output. An output sensor to g... | 04/04/2006 |
| 6998728 | Method and apparatus for controlling output current of turbine/alternator on common shaft An electrical system and method for a turbine/alternator comprising a gas driven turbine and a permanent magnet alternator rotating on a common shaft includes an inverter circuit connectable either to an output circuit or the stator winding of the alternator. A cont... | 02/14/2006 |
| 6995545 | Control system for a sputtering system A fault handling algorithm processes a plurality of fault status signals from a sputtering system in a period of time to generate at least one command signal for affecting the operation of a power generator. ... | 02/07/2006 |
| 6979988 | Duty cycle estimation A duty cycle estimator for determining a nominal duty cycle of an output regulator. The duty cycle estimator having at least two modes and including at least a mode one estimator and a mode two estimator. The mode one estimator to determine the nominal duty cycle as... | 12/27/2005 |
