Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8027173 | Apparatus for providing AC voltage An apparatus for providing an AC voltage includes a synthesizer for generating at least one periodic output voltage signal, each periodic output voltage signal having an output frequency. The synthesizer is supplied by an input AC voltage having an input frequency, ... | 09/27/2011 |
| 7706151 | Method and apparatus for multi-phase power conversion A system and method for power conversion synchronizes multiple phases at a desired phase angle difference. The power conversion involves variable frequency switching, fixed on-time and provides power factor correction. A relative measure of a phase angle difference ... | 04/27/2010 |
| 7701730 | Method and apparatus for power converters having phases spaced at desired phase angles A system and method for power conversion synchronizes multiple phases at a desired phase angle difference. The power conversion involves variable frequency switching, fixed on-time and provides power factor correction. A relative measure of a phase angle difference ... | 04/20/2010 |
| 7383110 | Motor control device and electric power steering device A motor control device is provided, wherein an electric power (P) consumed by the brushless DC motor is inferred from three parameters including motor phase currents (I) flowing through at least two phases of three phases of the brushless DC motor, motor phase volta... | 06/03/2008 |
| 7088027 | Rotating asynchronous converter and a generator device The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second... | 08/08/2006 |
| 6972976 | Compensation method for a voltage unbalance The invention relates to a method for compensating for a voltage unbalance in an electrical network, which is fed by using an apparatus based on controlling a flux linkage vector or a voltage vector. Concerning the apparatus based on controlling the flux linkage vec... | 12/06/2005 |
| 6933704 | Slip-inducing rotation starting exciter for turbine generator A dynamoelectric machine combining the functions of an exciter, a turning motor, and a starting motor for a turbine. The machine operates in a first mode where the slip between a first stator winding and a first armature winding is positive and thus the magnetic fie... | 08/23/2005 |
| 5856712 | Uninterruptible power supply method A method for providing an uninterruptible power supply to a load both at ordinary times and in an emergency. At ordinary times, commercial AC input power is modulated into high-frequency AC power, which is then applied to a primary winding of a high-frequ... | 01/05/1999 |
| 4706175 | Single phase to polyphase bridge-type frequency multiplier A single to multiphase AC frequency conversion technique is provided using H-switches. A plurality of H-switches are toggled in a composite coordinated but irregular timing pattern under control of logic means to yield a plurality of chopped sinusoid swit... | 11/10/1987 |
| 4706174 | Single phase to multiphase frequency multiplier A single to multiphase AC frequency conversion technique is provided by alternately switching between a pair of AC power lines at a plurality of sets of coordinated but irregular times to yield a plurality of chopped sinusoid switched output waveforms eac... | 11/10/1987 |
| 4355351 | High repetition rate power pulse generator Disclosed is a class of power converters which extract electric energy from a source of A.C. or D.C. power and transform this energy to a desired and closely controlled voltage level for use by a pulse demanding load such as a pulsed radar or laser system... | 10/19/1982 |
| 4096557 | Controllable four quadrant a.c. to a.c. and d.c. converter employing an internal high frequency series resonant link Disclosed is a bilateral device to transform a.c. polyphase power to controllable a.c. or d.c. power, or to perform this transformation in reverse, by use of a single high frequency link comprising series resonant circuits. A cyclo-up converter transforms... | 06/20/1978 |
| 4039910 | Dynamoelectric machine A dynamolectric machine stator has a primary winding for single phase alternating current input and a secondary winding for polyphase alternating current to be supplied from output terminals. The secondary winding is connected such that at least two frequ... | 08/02/1977 |
| 4039922 | Method of converting phase and frequency using a dynamo-electric machine A dynamoelectric machine stator has a primary winding for single phase alternating current input and a secondary winding for polyphase alternating current to be supplied from output terminals. The secondary winding is connected such that at least two freq... | 08/02/1977 |
