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| Number | Title | Issue Date |
| 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 |
| 7116020 | Alternator, in particular for motor vehicle The alternator comprises a stator (12), a rotor (4) disposed inside the stator (12) and having a plurality of phases, and at least two armature windings, each of which is part of a power supply source connected between earth and a power supply l... | 10/03/2006 |
| 7027944 | Programmable calibration circuit for power supply current sensing and droop loss compensation A circuit for regulating power is disclosed. The present invention provides circuits and methods for current sensing variations, static droop settings, mismatched phase outputs, and temperature variations in a multiphase power regulator. The circuits may include a c... | 04/11/2006 |
| 7009365 | Systems and methods for control of vehicle electrical generator Systems, methods and devices are described for controlling a vehicle electrical generator. A regulator for controlling a generator in response to an input signal received from a control module suitably includes a discriminator module, a processing module and a switc... | 03/07/2006 |
| 6844707 | AC/DC brushless starter-generator A brushless AC/DC starter generator for use with aircraft engines, the starter generator capable of both providing motive force to start the engine, and generate AC and DC power for aircraft systems. The apparatus includes a main generator, an exciter generator, and... | 01/18/2005 |
| 5323101 | Regulator circuit for regulating the output voltage of an alternator, in particular in a motor vehicle A regulator circuit for regulating the voltage delivered by an alternator for charging an associated battery, the alternator including an excitation winding and the regulator circuit controlling the current flowing through said excitation winding by switc... | 06/21/1994 |
| 5319299 | Charging control apparatus for vehicle A charging control apparatus for a vehicle, which controls a power generation of an AC generator for charging a battery, comprises: a switching circuit connected in series to a field winding of the generator; a comparator for detecting a voltage of a batt... | 06/07/1994 |
| 5294879 | Microprocessor-controlled regulator A regulator provides a control signal for controlling a generator which is providing an electrical output. The electrical output includes an output voltage and an output current applied to a load. The regulator comprises a microprocessor, voltage sensing ... | 03/15/1994 |
| 5285147 | Digital voltage regulator The problems of minimizing size and weight in aircraft and avoiding requirements for custom design are minimized in a digital voltage regulator circuit (120). The circuit (120) includes a programmed processor circuit (124) having a memory circuit (138), a... | 02/08/1994 |
| 5262711 | Charging generator for a vehicle including a circuit for suppressing a sudden change in a field current A charging generator for a vehicle including a field winding rotated by the rotation of an engine so as to generate a rotating magnetic field; an armature winding responsive to the rotating magnetic field to generate a current and charge a battery via a r... | 11/16/1993 |
| 5233285 | Voltage regulator device for charging a battery by an alternator A regulator device for charging a battery from an alternator that delivers a rectified voltage including a ripple component. The device is of the type including a regulator circuit acting on the mean value of the rectified alternator voltage and includes ... | 08/03/1993 |
| 5175486 | Dual-level-output circuit for charging generator In a circuit (20) for use in controlling a battery-charging process and producing an output (S) which has one of two distinct levels (S1, S2), these levels are independently adjustable by adjusting variable resistors (R1, R2). Switching between the two le... | 12/29/1992 |
| 5157321 | Charging control apparatus for vehicle In a charging control apparatus for a vehicle for controlling generation of electric power from a vehicle's generator charging a battery, the rate of increase in the field current of the generator is increased when an electrical load is connected to the g... | 10/20/1992 |
| 5144220 | Vehicle AC generator control system A control device for a vehicle AC generator provided with a rectifier and a battery connected to the latter comprises a voltage regulator with a switching element connected to the field coil of the generator, to adjust the output voltage of the generator ... | 09/01/1992 |
| 5144219 | Voltage-regulator for generator A voltage regulator (4) for a generator (1), particularly for use in motor vehicles, is provided which produces an average field current in the exciting winding (2) of the generator (1) by switching on and off the field current by a controlled semiconduct... | 09/01/1992 |
| 5099189 | Alternating current generator for vehicle An alternating current generator for vehicles in which the exciting current flowing in the field winding (2) is detected and the current thus detected is suppressed not to exceed the maximum exciting current under the hot condition by the field current li... | 03/24/1992 |
| 5023539 | Alternator voltage transient minimization method and apparatus A method and apparatus for controlling field current in an alternator maintains the alternator output voltage at a defined level and substantially suppresses transients in the event the alternator is disconnected from a load. A pair of MOS Insulated Gate ... | 06/11/1991 |
| 5013996 | Voltage regulator for a generator A voltage regulator for generators is proposed which, compared with a voltage regulator known, for example, from DE-PS 27 38 897, is supplemented in such a manner that an integral component corresponding to the relative operating time of the field current... | 05/07/1991 |
| 4962348 | Switched filter with low offset A switchable filter has characteristics (e.g., time constant) that are changed by a low offset, bipolar switch that is turned off and on to periodically connect/disconnect an additional circuit element to the filter. The preferred embodiment is specially ... | 10/09/1990 |
| 4940928 | Charging generator apparatus A charging generator 1 has armature windings 101 and a field winding 102, a voltage reducing circuit 5 for reducing the output voltage of the generator, a battery 4 to be charged by the output voltage of the voltage reducing circuit, a voltage regulator 3... | 07/10/1990 |
| 4920308 | Regulator for automotive charging systems A regulator for a vehicle charging system senses when it applies and terminates excitation to the field winding of the charging system's alternator. When the excitation is applied to the field windings, the output of the alternator is connected to an inpu... | 04/24/1990 |
| 4914374 | Voltage regulator for AC generator with constant interruption frequency A voltage regulator circuit for an AC generator is disclosed which comprises a holding circuit for holding the power transistor, which is coupled in series with the field winding of the generator, in the non-conductive state after the Zener diode of the v... | 04/03/1990 |
| 4882531 | Integrated circuit voltage regulator and charging system Integrated circuit voltage regulator (60; 81; 91) is provided for use in a battery charging system (10) for providing excitation current to a field coil (13) of an alternator (11). The integrated circuit voltage regulator includes a transistor (70) which ... | 11/21/1989 |
| 4777425 | Alternator voltage regulator with speed responsive control A voltage regulator for a diesel engine driven alternator includes speed dip control permitting engine recovery, and a voltage signal circuit and a speed signal circuit producing a linear volts per hertz signal for controlling the RMS voltage of the alter... | 10/11/1988 |
| 4754212 | Voltage regulation system for automotive charging generator A voltage regulation system for automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to the armature winding, a diode rectifier for converting the AC output of the armature winding linearly, a power M... | 06/28/1988 |
| 4733157 | Electronic voltage regulator with two-directional action for alternators A voltage regulator supplies excitation current both in addition and in subtraction, since supplied current can vary not only in intensity, but also in direction depending on the signal given by a control device, which regulates the conduction of the regu... | 03/22/1988 |
| 4723106 | Brushless generator exciter using hybrid rectifier A brushless generator exciter employs a hybrid full-wave rectifier in which at least some of the rectifying diodes are controllable according to an external signal for adjusting the total exciter power fed to the generator rotor. An optical transmission t... | 02/02/1988 |
| 4716355 | Device for controlling a charging generator Instead of controlling an output voltage of a charging generator with a fixed value in a voltage regulator which turns a current flowing through a field coil of the charging generator on and off, the output voltage level of the generator can be adjusted b... | 12/29/1987 |
| 4689545 | Control apparatus for vehicle battery charging generator A control apparatus for a battery charging generator for use in a vehicle in which a voltage regulator for regulating the output of the generator is controlled by a reference voltage generating unit in response to a signal representing acceleration (an op... | 08/25/1987 |
| 4687983 | Alternation control system having manual current selection capability and voltage dependent cutoff circuit An alternator control system for controlled charging of a secondary battery such as a lead-acid battery, the invention allows manual selection of alternator output current. The control system of the invention is connected to the alternator field terminal ... | 08/18/1987 |
| 4636705 | Switching circuit utilizing a field effect transistor A switching circuit that utilizes an N-channel field effect transistor. The circuit can be used in a generator voltage regulator wherein the drain and source of the transistor are connected in series with the field winding of the generator. The circuit in... | 01/13/1987 |
| 4636706 | Generator voltage regulating system A voltage regulator for regulating the output voltage of a diode-rectified alternating current generator that supplies the electrical loads on a motor vehicle including the storage battery. The voltage regulator has an up-down counter which is incremented... | 01/13/1987 |
| 4634954 | Voltage regulator for alternating current generator A voltage regulating system for an automotive vehicle having a switching transistor connected to a field winding of an alternating current generator and a regulator for comparing a battery voltage with a reference value and for driving the transistor into... | 01/06/1987 |
| 4629966 | Dual current limiting voltage regulator A voltage regulator for use with a source, such as a generator, and a load, such as a battery for limiting the current delivered by the source to the load at one of a plurality of selectable current limit levels. The regulator comprises a regulation circu... | 12/16/1986 |
| 4599552 | Generator voltage regulator A voltage regulator circuit for a three phase AC generator includes an integrator circuit which integrates the voltage across each negative half cycle of generator output and compares it to a reference voltage to adjust the phase angle of an SCR circuit w... | 07/08/1986 |
| 4567422 | Voltage regulator with maximum current limit In a voltage regulator for a generating system having a main generator and an exciter, the exciter providing field current to the main generator, it is desirable to provide a maximum current limit on the generator output which also allows the voltage regu... | 01/28/1986 |
| 4559487 | Voltage regulator with independent peak and average voltage sensing A voltage regulator for a generating system having a main generator and an exciter for providing field current to the main generator includes means coupled to the main generator for sensing at least two operating parameters thereof. Means are coupled to t... | 12/17/1985 |
| 4555657 | Voltage regulator for alternator of vehicle A voltage regulator for controlling electric power generated by an alternator coupled to a vehicle engine is disclosed. The regulator comprises a switching circuit for regulating an output voltage from the alternator or a voltage for charging the battery ... | 11/26/1985 |
| 4533863 | Voltage regulator A voltage regulator is described adapted for use controlling the output of an AC generator. A voltage control field-winding excitation control circuit supplies direct current to the generator field in response to a driver. The driver, in turn, is operated... | 08/06/1985 |
| 4525662 | Battery charging control system for automobile A battery charging control system for automobile, wherein a voltage regulator for regulating the output voltage of an AC generator for charging the automobile battery is controlled by detecting changes of the output voltage. When the output voltage of the... | 06/25/1985 |
