http://www.freshpatents.com/Electricity--motive-power-systems-dtnewntc318.php USPTO Class 318 - Electricity: motive power systems en-us Mon, 30 Jan 2012 13:30:47 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120126ptan20120019172.php Mon, 30 Jan 2012 13:30:47 -0800 An electric vehicle accomplishes speed changes through the use of electronically controlled, multiple electric motor configurations that are coupled to an output drive shaft instead of a speed change transmission. A parallel-coupled motor configuration includes at least two motors that are each coupled to the output drive shaft through respective... http://www.freshpatents.com/-dt20120126ptan20120019174.php Mon, 30 Jan 2012 13:30:47 -0800 a current able to be controlled by a switch being supplyable to at least one stator winding of the electromotor, which is supplied from an electrical energy source that differs from the energy store. the electromotor being able to be supplied from the inverter, which is supplyable from the energy store, A... http://www.freshpatents.com/-dt20120126ptan20120019173.php Mon, 30 Jan 2012 13:30:47 -0800 The invention relates to a combined device and method for powering and charging, that comprises an AC motor (6), a converter (2), storage means (5), and switching means (4) either for enabling the powering of the motor (6) or for enabling the charging of the storage means (5) by the... http://www.freshpatents.com/-dt20120126ptan20120019175.php Mon, 30 Jan 2012 13:30:47 -0800 The sealed battery has a battery container (4, 5) and a power generating element sealed inside the battery container. The battery container is provided with a fill opening (12), an annular ridge (16), which extends around the entire circumference of the outer face surrounding the fill opening, and an annular... http://www.freshpatents.com/-dt20120126ptan20120019176.php Mon, 30 Jan 2012 13:30:47 -0800 If it is determined that excess power is generated based on overcharge information of a power storage device, a controller starts an operation of consuming the excess power by an excessive power consuming circuit. The controller counts elapsed time from the time point when the power consuming operation started, and... http://www.freshpatents.com/-dt20120126ptan20120019177.php Mon, 30 Jan 2012 13:30:47 -0800 The invention relates to a method for decelerating a drive movement of a power tool and to a power tool suitable for carrying out the method, having a drive driven by a motor, an energy supply device for the provision of electrical energy, a controller having a motor controller for... http://www.freshpatents.com/-dt20120126ptan20120019179.php Mon, 30 Jan 2012 13:30:47 -0800 A control device divides 360° corresponding to one cycle of a resolver angle into N zones, and determines whether or not a resolver angle θ in the current cycle exceeds a division border. When determined that resolver angle θ in the current cycle exceeds a division border, the control device... http://www.freshpatents.com/-dt20120126ptan20120019180.php Mon, 30 Jan 2012 13:30:47 -0800 the second condition being verified when said counter electromotive force signal has the same sign as its first derivative value. the first condition being verified when a detected counter electromotive force signal has the same sign as an electrical grid voltage signal; Method for starting a single-phase synchronous electric motor using permanent... http://www.freshpatents.com/-dt20120126ptan20120019181.php Mon, 30 Jan 2012 13:30:47 -0800 A power converter for converting power supplied to a rotating electric machine that includes windings of N-phase (N≧2), includes an inverter section, a voltage detecting portion, one or more resistors, and an abnormality detecting portion. The voltage detecting portion detects a voltage applied to each winding of M-phase, where 1≦M<N.... http://www.freshpatents.com/-dt20120126ptan20120019182.php Mon, 30 Jan 2012 13:30:47 -0800 To develop a motor which can directly drive a brushless motor using a conventional circuit for an inverter without smoothing circuit and a circuit for a matrix converter that are for a brushed motor that operates on single-phase 100 V. Magnetic cores are attached to a motor shaft to increase... http://www.freshpatents.com/-dt20120126ptan20120019178.php Mon, 30 Jan 2012 13:30:47 -0800 A power conversion apparatus includes: a line breaker that is connected in series to a direct-current power supply; a first capacitor that is connected in parallel to the direct-current power supply through the line breaker; a discharge circuit that includes a resistor and a first switching circuit connected in series... http://www.freshpatents.com/-dt20120126ptan20120019183.php Mon, 30 Jan 2012 13:30:47 -0800 A rotary breaker that interrupts a transmission of a driving force from a motor to a drive mechanism unit is provided between the motor having a permanent magnet incorporated therein and the drive mechanism unit of an electric vehicle. A second controller controls the rotary breaker based on operation states... http://www.freshpatents.com/-dt20120126ptan20120019184.php Mon, 30 Jan 2012 13:30:47 -0800 A power-saving driving device is provided for a same load pattern device 23 that is driven by a motor 21 receiving electric power from an inverter 19 and repeatedly operated in a same load pattern. The power-saving driving device includes: an electric power amount calculator 81 that calculates an electric... http://www.freshpatents.com/-dt20120126ptan20120019185.php Mon, 30 Jan 2012 13:30:47 -0800 A method, computer readable medium, and apparatus for controlling a moveable element includes generating and providing with a control device one or more driving signals to one or more positioning actuators to move the moveable element towards a target position based on a target travel distance and a calibration value.... http://www.freshpatents.com/-dt20120126ptan20120019186.php Mon, 30 Jan 2012 13:30:47 -0800 An electrical stepper motor comprises a magnetical rotor and at least two electromagnetical driving coils for causing rotation of the rotator. A method of detecting an operating condition of the as e.g. a stall state of the electrical stepper motor comprises the steps of connecting one contact pin (P, M)... http://www.freshpatents.com/-dt20120126ptan20120019187.php Mon, 30 Jan 2012 13:30:47 -0800 A method, which is efficient and cost-effective to implement, for controlling, at steady-state, a synchronous electric motor comprising a permanent magnet rotor and a stator provided with windings connected to an electrical grid by means of a switch controlled by a processing unit, said method comprising the following steps: periodically... http://www.freshpatents.com/-dt20120126ptan20120019188.php Mon, 30 Jan 2012 13:30:47 -0800 In an induction motor group control system, magnetic energy recovery switches (3) are connected in series to an induction motor (2) directly driven by a commercial power supply, and a plurality of induction motor control devices (10) enabling voltage control and reactive power control of the induction motor 2 are...