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| Number | Title | Issue Date |
| 7888916 | Power conditioner for circuit breaker panel and method of use A power conditioner for circuit breaker panel and method of use. The apparatus comprises an electric motor electrically connected to distribution power lines into the breaker panel. The electric motor drives an electric generator. Electric power from the electric ge... | 02/15/2011 |
| 7432622 | Method for the wireless and contactless transport of energy and data, and corresponding device In installations including fixed and mobile structural elements and a rotary current motor as a drive, the rotary current motor can be used for the wireless transmission of both energy and/or data. The transmission from the fixed structural elements to the mobile st... | 10/07/2008 |
| 7332844 | Alternator with removable brush block and method of changing brushes in an alternator An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and co... | 02/19/2008 |
| 7312547 | Alternator with replaceable resistor, and method of changing the maximum output current of an alternator An alternator comprises a housing including a first portion, and a second portion having a plurality of electrical connectors and having an aperture; a stator supported in the first portion of the housing; a rotor supported for rotation relative to the stator and co... | 12/25/2007 |
| 7221127 | Alternator with rectifier bridge in particular for motor vehicle The alternator comprises a wound rotor and a stator with a number of phases connected to a rectifier bridge equipped with switches (7) in the form of MOS type transistors, such as MOSFET type transistors, characterised in that the transistors (7) are v... | 05/22/2007 |
| 7145299 | Power window control system A master controller installed in a master controller box and slave controllers installed in car doors to open and close window glasses of a car are connected by a single wire to each of slave controllers for enabling to send control signals through such a single wir... | 12/05/2006 |
| 6897577 | Methods and system for power generation A method of operating a power generation system and a power generation system are provided. The method includes coupling at least one electrical generator to at least one prime mover, wherein the at least one generator includes at least one of a stator and a rotor w... | 05/24/2005 |
| 6774502 | Battery powered laptop computer with an implementation for converting keyboard keystroke motion into current for auxiliary recharging of battery A system for a battery powerable portable computer with keyboard input that extends the battery charge lifetime during time periods when the computer is being operated in a battery powered mode comprising the combination of a battery providing power to the computer,... | 08/10/2004 |
| 6121566 | Switchgear for a power station generator and a transformer, with a three-position disconnector connected to the transformer The switchgear comprises a circuit breaker connected between a generator and a transformer, together with a disconnector connected between the circuit breaker and the transformer, the disconnector having a fixed pole common to three positions: a first pos... | 09/19/2000 |
| 5886505 | Apparatus and method for bringing on line a large synchronous condenser that cannot be started by an across the line start A synchronous condenser has a rotor, a rotor shaft on which the rotor is mounted, and collector rings electrically connected to a source of D.C. voltage. A fluid drive has an output shaft connected to the synchronous condenser rotor shaft through a quick ... | 03/23/1999 |
| 5757165 | Snowmobile handlebar heater control A solid state control circuit controls handlebar heaters on a snowmobile or similar responding loads. Circuit is supplied by AC voltage with variations in frequency and waveform of the AC input. A portion of this input is rectified and compared with a rec... | 05/26/1998 |
| 5705916 | Process for the generation of electrical power A process for generating electrical power in a gas turbine cycle including an air compression stage, first and second gas combustion stages, and a series of first and second gas expansion stages. Mechanical power is provided for the generation of electric... | 01/06/1998 |
| 5630155 | Portable computer system with mechanism for accumulating mechanical energy for powering the system An embodiment of the the present invention is a computer system comprised of a main computer circuit having an interruptible CPU, a control program stored in memory connected to the CPU with interrupt procedures, and a power supply that has a mainspring a... | 05/13/1997 |
| 5610500 | Method of converting turbine driven generator into a synchronous condenser A conventional turbine driven generator is converted to a synchronous condenser. The generator has a generator shaft; the turbine has a turbine shaft axially aligned with the generator shaft. The turbine shaft is disconnected from the generator shaft and ... | 03/11/1997 |
| 5589758 | Modular, hybrid power system A power system provides various levels of electrical power at various radio frequencies to specific input locations of a neutral particle beam accelerator system. Both the power system and the accelerator system are mounted on a space platform. The power ... | 12/31/1996 |
| 5442276 | Apparatus for providing controlled mechanical braking torque Apparatus and method for electrically generating mechanical braking torque employs direct field drive incorporating an AC alternator plus a current regulator. The stator windings of the alternator are directly coupled to the field winding via a full wave ... | 08/15/1995 |
| 5334927 | Multiphase switching system and generator arrangement having such a switching system In the case of the multiphase switching system (1), each (for example L3) of the phase conductors is arranged in the course of a generator output line (2), which is arranged between a generator (7) and a network transformer (8), together with a... | 08/02/1994 |
| 5289107 | Switched reluctance generator system with fault recovery capability A switched reluctance generator system, including a converter for coupling a dc voltage via a dc excitation bus (or excitation nodes) to a switched reluctance generator and thereby providing excitation thereto, has a separate generator bus for providing t... | 02/22/1994 |
| 5189360 | Method and apparatus for providing controlled mechanical braking torque Apparatus and method for electrically generating mechanical braking torque employs direct field drive incorporating an AC alternator plus a current regulator. The stator windings of the alternator are directly coupled to the field winding via a full wave ... | 02/23/1993 |
| 4935689 | Vehicle mounted engine generator system A vehicle mounted engine generator system is disclosed for supplying electricity to external electrical appliances and equipment used inside a camping car or outdoors in the camping site, which comprises a secondary water-cooled internal combustion engine... | 06/19/1990 |
| 4914373 | Generator set for use on a building site The generator set comprises an internal combustion engine (5) driving a three-phase generator (6). The latter is surmounted by a casing (7) containing a converter (8) which is supplied with power by the generator (6) and provides a current of 42 V at 200 ... | 04/03/1990 |
| 4841217 | Pulsed generator incorporating output waveform flexibility and a pulsed transformer A single phase, multipole alternator with inertial and/or electromagnetic energy storage is disclosed. More specifically, the present invention involves a high energy pulsed alternator which is capable of generating a variety of pulse signals by ready mod... | 06/20/1989 |
| 4628246 | Method for phasic sequential coupling of three-phase short-circuit generators Coupling of the asynchronous machine to the AC mains is effected in the way that the contacts arranged for the purpose are closed when the voltage across them before coupling is at a maximum. Coupling can be done by several stages, from two and upwards. T... | 12/09/1986 |
| 4612495 | Generator circuitry A generator circuitry for connecting a generator to or disconnecting the same from a bus connected to a power supply. The circuitry comprising a first disconnector, a breaker and a second disconnector connected in series with one another between the bus a... | 09/16/1986 |
| 4433279 | Free piston heat engine stability control system A stability control system for a free piston Stirling engine/alternator power unit whose engine power is an exponential function on the engine piston stroke and whose alternator power demand is also an exponential function of the piston stroke, and wherei... | 02/21/1984 |
| 4384246 | Series-thyristor subsynchronous damper for power generators A voltage source is connected in series with the neutral secondary winding on a generator step-up transformer through an electrical reactance. A control circuit and a pair of thyristor banks are employed to apply the voltage source to the transformer wind... | 05/17/1983 |
| 4311253 | Low loss stabilizer A dynamic stabilizer of the type which is utilized to compensate or stabilize the effect of subsynchronous resonance oscillations in a turbine generator system is taught. Silicon controlled rectifiers are connected in series with inductors between the lin... | 01/19/1982 |
| 4266180 | Method of and means for high performance direct current electrical pulse generation utilizing mechanical energy storage A method of converting inertial mechanical energy into a high energy direct current electrical pulse of short time duration is disclosed. Apparatus for practicing the method is described. According to the invention, a rotating mass is provided together wi... | 05/05/1981 |
| 4227142 | Pulsed excitation alternator Alternator having a pulsed excitation. Means are provided to supply short current pulses into the pick-up coils at a suitable time so to magnetize the circuit. As a consequence the shape of the magnetic circuit can be simplified and the weight of iron and... | 10/07/1980 |
| 4200831 | Compensated pulsed alternator This invention relates to an electromechanical energy converter with inertial energy storage. The device, a single phase, two or multi-pole alternator with stationary field coils, and a rotating armature is provided. The rotor itself may be of laminated s... | 04/29/1980 |
| 4140959 | Electrical power generating system An electrical power generating system is provided for supplementing an electrical power distribution network. The supplemental system of this invention is devised to utilize available sources of energy that are otherwise unused and converting that energy ... | 02/20/1979 |
| 3956649 | Brushless rotary signal transducer A brushless rotary signal transducer having a novel configuration to provide A.C. output voltages in stator windings proportional to the speed of rotation of a rotor and the voltage of a D.C. excitation signal applied to an excitation winding is provided.... | 05/11/1976 |
| 3934163 | Polyphase synchronous electrical machine with superconductor winding The machine comprises a rotary assembly comprising a hollow shaft containing the inductor, a passive screen for protecting the inductor against rapid variations in field due to disturbances in the armature. An auxiliary winding borne by the shaft creates ... | 01/20/1976 |
