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| Number | Title | Issue Date |
| 8076909 | Method and system for monitoring the condition of generator end windings A method and system for monitoring the operating conditions of an electric generator. The system includes a triad sensor array formed within a predetermined section of a fiber optic conductor. The triad sensor array is formed of a group of sensors including a first ... | 12/13/2011 |
| 8054051 | Apparatus and method for detecting an abnormality of a generator for vehicles The present invention provides, as one aspect, an apparatus for detecting an abnormality of a generator for vehicles. The generator includes a multi-phase armature winding that has phase windings and a rectifier that rectifies multi-phase output of the armature wind... | 11/08/2011 |
| 7391186 | Vehicle alternator monitoring system and related failure monitoring method A vehicle alternator failure monitoring system and related monitoring method are disclosed wherein an ECU executes operations depending on a power generation status of a vehicle alternator and a vehicle alternator control device has a serial communication transmitte... | 06/24/2008 |
| 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 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7358705 | Apparatus of controlling power generation of a generator An apparatus for controlling power generation of a generator has a voltage detector and a power controller. The voltage detector detects a voltage of electric power generated in the generator. When receiving a first power control signal, the power controller control... | 04/15/2008 |
| 7345457 | Brushless exciters using a high temperature superconducting field winding A brushless exciter for a synchronous generator or motor generally includes a stator and a rotor rotatably disposed within the stator. The rotor has a field winding and a voltage rectifying bridge circuit connected in parallel to the field winding. A plurality of fi... | 03/18/2008 |
| 7330016 | Induction generator power supply A method for enhancing the operation of an electrical power supply includes selecting a prime mover having a chosen power rating. An induction motor having a first power rating at a rated speed and a second power rating at an overspeed is chosen. The overspeed may b... | 02/12/2008 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7271570 | Active rectification of alternator output without using a position sensor Disclosed herein is an automotive electrical system including a FET based rectifier and method of controlling the FET based rectifier without using either an alternator shaft position sensor or current sensors on each phase of the alternator output to control the sw... | 09/18/2007 |
| 7268513 | Motor/generator unit A motor/generator unit in which a motor/generator and an invertor part are integrated and the wiring of a field circuit part for supplying current to a winding on a rotor is rationalized. In a motor/generator unit in which a motor/generator body part having a field ... | 09/11/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 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 |
| 7239113 | Method for reducing undesired currents in an electrical power generation system An electrical power generation system is provided, and a method of reducing undesired currents therein. The method includes the steps of delivering current via at least one variable frequency switching means, and adjusting a switching frequency of the at least one v... | 07/03/2007 |
| 7239149 | Search coil mount for facilitating inspection of a generator rotor in situ A mount is for installing a probe, such as for example, a search coil, in a variety of locations and orientations within an electrical generator, without requiring the rotor of the generator to be removed. The mount includes a block having a longitudinal hole and a ... | 07/03/2007 |
| 7235953 | System and method for determining whether a charging wire is broken In a system, a generator is configured to charge a battery through a charging wire connecting therebetween. A first unit measures a voltage of the battery, and a second unit detects an operating rate of the generator. A third unit determines that the charging wire i... | 06/26/2007 |
| 7227272 | Control apparatus for electrical generator of motor vehicle A control apparatus such as an ECU, that controls the generator of a vehicle, measures the engine rotation speed and generator rotation speed while the engine is idling, and calculates and stores the ratio of the speed values. Thereafter when the vehicle is being dr... | 06/05/2007 |
| 7224148 | Vehicle power-generation control unit The vehicle power-generation control unit includes a voltage detecting circuit detecting a generation voltage of a vehicle generator driven by a vehicle engine, a switching device allowing an exciting current to flow into an exciting winding of the vehicle generator... | 05/29/2007 |
| 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 |
| 7208918 | Vehicle rotating electric machine An inverter device is mounted on the rotating electric machine body The inverter device includes a module unit having a converter circuit and a control unit that controls the operation of the converter circuit. The converter circuit is configured by connecting a plu... | 04/24/2007 |
| 7208914 | Apparatus and method for predicting the remaining discharge time of a battery A method and apparatus for predicting the remaining discharge time of a battery are provided. The method includes measuring a dynamic parameter of the battery, obtaining a discharge current of the battery, measuring a voltage of the battery and obtaining a temperatu... | 04/24/2007 |
| 7202639 | Apparatus for determining wear in the frictional components of an alternator An apparatus for determining wear in the frictional components of an alternator. Such an apparatus may comprise circuitry configured to count voltage peaks generated by the automotive alternator; circuitry configured to compare the counted voltage peaks against a pr... | 04/10/2007 |
| 7193395 | Systems and method for boosting output of an alternator Disclosed herein are two techniques, neutral point switching and field voltage boost, that will increase the output of today's 12 volt automotive electrical systems in vehicle idle conditions solely by the addition of circuitry. Neutral point switching enables the f... | 03/20/2007 |
| 7180272 | Malfunction detecting apparatus for on-vehicle charging system An apparatus is provided for detecting a malfunction in an on-vehicle charging system provided with a generator driven by an engine and a battery connected with the generator via a charging line. The apparatus comprises a first control unit controlling a generated c... | 02/20/2007 |
| 7180271 | Vehicle generator regulating apparatus The vehicle generator regulating apparatus includes a switching device operating to allow a field current to flow into a field coil of the vehicle generator from a vehicle battery when applied with a voltage signal, a drive circuit applying the voltage signal to the... | 02/20/2007 |
| 7173398 | System for controlling a vehicular generator A system for controlling a vehicular generator, includes: a voltage controlling device 1 for adjusting a generator output voltage of a generator 10 connected to an in-vehicle battery 4 to a predetermined voltage, the voltage controlling device | 02/06/2007 |
| 7154276 | Method and apparatus for measuring a parameter of a vehicle electrical system An apparatus for measuring electrical parameters for an electrical system measures a first and second parameters of the electrical system between connections to the electrical system. A processor determines a third electrical parameter of the electrical system as a ... | 12/26/2006 |
| 7149637 | Detecting electromechanical oscillations in power systems The detection of electromechanical oscillations in power systems and the estimation of their frequency and damping parameters are based on a linear time-varying model. The parameters of the linear model are on-line adapted by means of Kalman filtering techniques to ... | 12/12/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7122993 | Regulated voltage control override Apparatus and methods are provided for controlling a voltage output of an alternator having a regulated voltage control (RVC). The apparatus includes a processor configured to transmit one of at least two control signals and a switch coupled to the processor and con... | 10/17/2006 |
| 7119686 | Theft prevention device for automotive vehicle service centers An apparatus and method for preventing theft in automotive vehicle service centers. A transmitter transmits a wireless security signal which defines a perimeter. At least one portable tool for use in automotive vehicle service centers includes a receiver configured ... | 10/10/2006 |
| 7116109 | Apparatus and method for simulating a battery tester with a fixed resistance load A method and apparatus for simulating a battery tester with a fixed resistance load, such as a widely used Japanese load tester that rates the strength of Japanese batteries that are categorized under the Japanese Industrial Standard (JIS), are provided. This invent... | 10/03/2006 |
| 7113882 | Automatic testing system An automatic testing system. A sampling and converting device obtains a plurality of electronic parameters from a tested device and transforms them into a plurality of digital signals. A microprocessor receives the digital signals and performs various short-circuit ... | 09/26/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7102246 | Method for detecting slip in generator and starter-generator systems The invention is based on a method for detecting slip in the driving of generator or starter-generator systems. The alternators of these systems are equipped with electronic control components such as pulse-width-modulated inverters or rectifier bridges. The drive t... | 09/05/2006 |
| 7081018 | Structure of connecting wire to element-containing unit An insulative internal resin cover is provided to partition an internal space of upper and lower insulative resin covers into a wire receiving space and an element receiving space. A wire-side terminal is provided at an intermediate portion of a wire, and is electri... | 07/25/2006 |
| 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 |
| 7075273 | Automotive electrical system configuration using a two bus structure Disclosed herein are a variety of different electrical system topologies intended to mitigate the impact of large intermittent loads on a 12 volt vehicle power distribution system. In some embodiments the intermittent load is disconnected from the remainder of the s... | 07/11/2006 |
| 7061130 | Method of determining transition from starter to alternator function by monitoring starter/alternator motor phase voltage or current The present invention is directed to determining and controlling the appropriate moment at which a combined starter/alternator should transition from start-up mode to alternator/generator mode following an IC engine start-up sequence. The method relies on starter/al... | 06/13/2006 |
