Matches 101 - 150 out of 318 < 1 2 3 4 5 6 7 >
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5982062 Alternator including adaptors for rectifier bridge diodes, in particular for a motor vehicle, and an adaptor for such an alternator  
The invention provides an alternator for motor vehicles, in particular having a dissipator with one or more orifices designed to receive one or more press-fit diodes. An adaptor generally in the...
5953224 Control circuit for cryogenically-cooled power electronics employed in power conversion systems  
A control circuit generates signals for controlling the sequence in which selected input signals are carried across the terminals of a polyphase switching conversion circuit. The control circuit...
5945746 Power supply and power supply/backplane assembly and system  
A power supply/backplane assembly and system wherein a substantially flat power supply assembly including a printed circuit, power converter modules, and heat sink is mounted directly to the...
5940288 Card cage mounted power supply with heat dissipating architecture  
A thin power supply is configured to be mounted vertically within a card cage for pin assembly connection with the forward face of a backplane. Through the utilization of a vertical flat metal...
5930112 Circuit board architecture for a motor controller  
A multilayer circuit board system or laminated circuit board system for use in a motor controller includes a motherboard, at least one power substrate circuit board, and a capacitor circuit board....
5927636 Yarn winding apparatus  
A yarn winding apparatus for winding a plurality of continuously advancing yarns into cross wound packages, and which includes a rotatable revolver which mounts a pair of winding spindles which are...
5926373 Encapsulated, board-mountable power supply and method of manufacture  
A power supply and a method of manufacture therefor. The power supply includes: (1) a circuit board containing conductors for interconnecting electrical components of the power supply, (2) a...
5914872 Converter-fed drive system  
The invention is a converter-fed drive system having at least one drive motor fed by a converter unit. The converter unit has a valve assembly containing semiconductor valves, a cooler for cooling...
5907475 Circuit board system having a mounted board and a plurality of mounting boards  
A multilayer circuit board system or laminated circuit board system for use in a motor controller includes at least two motherboards, at least one power substrate circuit board, and a capacitor...
5905647 Inverter with incorporated filter circuit and improved component cooling arrangement  
An inverter includes an inverter circuit, a rectifier circuit, a filter circuit including an input side capacitor, a coil, and an output side capacitor, the filter circuit being disposed at a front...
5898582 Device comprising a stack of thyristors and freewheel diodes  
The present invention relates to a stack device comprising a stack of gate turnoff thyristors GTO, of freewheel diodes DRL, and of diodes D, for a semiconductor circuit, said stack device including...
5892676 Rectifier bridges assembly having improved heat dispersing characteristics and an arcing-free design  
A rectifier bridges assembly for use with an automotive alternator includes a base plate conductively mounted to a ground and providing a negative heat sink, and an overlying finned positive heat...
5880951 Capacitor-type power supply unit  
A capacitor-type power supply unit includes a capacitor block. The capacitor block has a plurality of capacitor cells and bus bars connecting the capacitor cells in series. A plurality of...
5877576 Stator frame for dynamoelectric machine and method for making same  
A dynamoelectric machine having a stator housing or frame made by a lost foam process utilizing a unitary single-piece vaporizable pattern. The stator housing may be made from a molten metal such...
5870300 Voltage converter having a commutation circuit with reduced inductance  
A VSC converter has each current valve of a phase leg formed by a plurality of units of semiconductor elements and rectifying members, located on top of each other forming at least one stack. The...
5831847 Power supply with separated airflows  
A power supply adapted to be driven by a primary power source to produce an output voltage. The supply has a case with a bottom wall, an air inlet, an air outlet, and an enclosed chamber bordered...
5828564 Rectifier heat dissipation  
A rectifier excellent in terms of heat sink performance, product quality, and cost including a one-way conducting device for rectifying an alternating current, wherein the one-way conducting device...
5801937 Uninterruptible power supplies having cooled components  
Methods and apparatus for uninterruptible power supply (UPS) systems are provided. The UPS systems are configured to provide the advantages of an in-line device, and operate in a quasi-standby...
5796196 Adaptable rotating rectifier and suppression resistor assembly for two-pole, wound rotor of dynamoelectric machine  
An adaptable rotating rectifier and suppression resistor assembly is designed to fit and mate with state-of-the-art, two-pole generators with maximum flexibility to accept a variety of known...
5745343 Cubicle for inverter  
A cubicle which houses an inverter provided a tube which is placed to creep in a zigzag along the surface of at least one wall of the cubicle, preferably the wall on which a switching element is...
5726874 Power supply having a dual air flow control for reducing heat buildup  
The present invention relates to a power supply system which can provide a dual air flow control and heat reduction in an electronic device having a regular fan. The power supply system has an...
5723936 Battery isolator bracket heat sink  
A battery isolator alternator bracket incorporating one or more heat sinks comprising at least one heat sink, the bracket formed of two segments, an upper closure segment, and lower base segment,...
5712802 Thermal protection of traction inverters  
A method for providing thermal protection for forced air cooled power electronic semiconductors without direct measurement of semiconductor temperature, the semiconductors being mounted on a heat...
5699241 Switching power source unit  
A switching power source unit has a constitution that the DC-DC portion 5 in which electronic parts are mounted on a metal core substrate and the AC-DC portion 6 in which electronic parts are...
5694313 Rectifying unit for AC generator  
A rectifying unit for an alternator is composed of AC input terminal and cooling fins connected to output ends (including a neutral point) of a multi-phase stator coil, a negative-poled cooling fin...
5691892 Rectifier arrangement for a three-phase generator  
A rectifier arrangement for a three-phase generator having at least one power diode allocated to each half-wave of each phase and a cooling arrangement for the power diodes. The power diodes may be...
5666268 Electronic variable speed drive having a protective cover between an opening door and electronic control and power systems  
An electronic variable speed drive including a cabinet having an opening door, a power system supplied with power from an AC line voltage and delivering a voltage under the control of solid state...
5659461 Switching power supply using printed coil type transformer  
An indirect feedback type flyback converter that compares favorably with the direct feedback type flyback converter in controllability of secondary output voltage, wherein the converter is arranged...
5652471 Rectifier arrangement, especially for a three-phase generator for a motor vehicle  
The rectifier arrangement, preferably for a three-phase generator for a motor vehicle, has at least one power diode of positive polarity and at least one power diode of negative polarity assigned...
5631821 Cooling system for electric vehicle inverter system  
A cooling system is provided for an electric vehicle inverter system having an inverter for converting electric power from a battery into alternating current and for supplying the current to a...
5623399 Inverter apparatus having capacitors mounted proximal to associated switching circuits  
An inverter device for changing direct current to alternating current for supplying to an electric motor which may be employed in an electric automobile. This inverter device includes a plurality...
5621635 Integrated circuit packaged power supply  
A design for and method of assembling a power supply or power converter. The design is based on mounting the heat generating elements of the device, such as an integrated circuit or other switching...
5612615 Cryogenic electronics power supply  
A cryogenically cooled circuit, operating at temperatures at which inductors windings of the circuit exhibit superconducting characteristics, provides unique advantages in high performance,...
5598328 Filter module for a frequency converter  
A filter module for a frequency converter comprises a filter circuit housed in a casing adapted for connection to the converter. The filter module includes an input filter and an output filter so...
5521811 High efficiency AC to DC power conversion system  
The present invention locates the primary winding of a transformer in a configuration where it substantially surrounds the secondary winding of the transformer in order to enhance the efficiency of...
5508908 Motor control unit with thermal structure  
A motor control unit having a first semiconductor module circuit for converting an alternating current into a direct current, a second semiconductor module circuit consisting of switching elements...
5497289 Inverter apparatus and method therefor  
An inverter apparatus having a compact design and a changeable heat sink. The apparatus includes a power module formed in a case having pairs of parallel sides and containing the respective main...
5485350 Cooled electronic housing  
A housing may hold a control device equipped with heat-producing components. A die-cast housing includes a side wall, a rear wall, a bottom, a cover, a front strut, a cooling element and an air...
5381330 Half-bridge arrangement for switching electrical power  
A half-bridge arrangement for switching electrical powers, wherein at least two semiconductor switches (14, 21; 15, 20; 16, 19; 17, 18) forming a half-bridge (12a; 12b; 12c; 12d) are connected in...
5337214 Bypass contactor for solid state motor starters  
A bypass contactor usable in a solid state motor starter for shunting current around a fully-conducting solid state switching device comprising an electromagnetic contactor housed in a molded...
5329440 Device for converting a very-low-amplitude steady voltage signal into an alternating voltage signal  
This device for converting a very-low-amplitude steady voltage signal into an alternating voltage signal, of the type comprising a centre-tapped transformer (1) associated with a transistor (3,4)...
5289363 Modular power supply arrangement with cooling  
A high density electronic module packaging system includes a cabinet for housing a plurality of modules. Disposed at the rear of the cabinet and forming a rear wall thereof is a cooling system...
5276587 Pivotable electrical connection apparatus  
An electrical device to be electrically mounted to a cooling mounting structure so that the electrical device is in intimate physical contact with the mounting structure for cooling the electrical...
5253613 High power AC traction inverter cooling  
A plurality of high power semiconductor devices are connected in circuit with at least one electric traction motor for controlling electric power to the motor. The semiconductor devices are each...
5245527 Modular ac drive controller  
An ac drive controller including a phase assembly for each phase of a polyphase supply to a motor, each phase assembly including an invertor module and a corresponding filter module. The electrical...
5237494 Frequency inverting apparatus  
An apparatus for driving a plurality of motors at different variable speeds. The apparatus includes a rectifier for supplying direct current power to a dc bus circuit. A plurality of inverters are...
5235491 Safety power supply  
Power supplies are known, in particular power supplies under primary clock-pulse control, that comprise a closed housing for the primary and secondary circuits, and a forced-air cooling means to...
5207613 Method and apparatus for mounting, cooling, interconnecting, and providing power and data to a plurality of electronic modules  
A high density electronic module packaging system includes a cabinet for housing a plurality of modules. Disposed at the rear of the cabinet and forming a rear wall thereof is a cooling system...
5204804 GTO module with piggyback bypass diode  
A power supply has a stack formed by a first bus plate, a gate take off (GTO) thyristor, a second bus plate, a bypass diode and a third bus plate all mounted to a heat sink by a single clamp, with...
5184291 Converter and inverter support module  
The inverter module according to the present invention includes a component support for supporting components attached thereto, an AC/DC converter attached to the support for converting input AC...
Matches 101 - 150 out of 318 < 1 2 3 4 5 6 7 >