Matches 101 - 150 out of 218 < 1 2 3 4 5 >
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4509006 Multiple annulus energy storage system  
A multiple annulus energy storage system for generating and storing electrical power. The system characterized by individual rotating annuli which are permitted to rotate at speeds different from...
4503349 Self-excited high current DC electrical pulse generator  
Homopolar generators are provided with a helical field coil disposed around a rotor, wound coaxially with the rotor, and connected in series with sliding electrical contacts on the rotor. The coil...
4499392 Homopolar alternator electromechanical power conversion machine  
An electromechanical conversion machine includes a 1-turn transformer primary winding comprising a rotating conductive member electrically connected to a stator conducting member. The rotating...
4399381 Homopolar dynamoelectric machine  
In a homopolar dynamoelectric machine in which a magnetic flux moves across a generally cylindrical clearance space between the stator and rotor, counterproductive magnetic fields produced by axial...
4385251 Flux shield for an inductor-alternator machine  
A homopolar inductor-alternator machine is constructed to have lower transient rectances by the incorporation of a current conducting ring concentric with the axis of the rotor and positioned on...
4366402 Cylindrical capacitive tachogenerator  
A cylindrical capacitive tachometer generator having a rotor and a stator, and a cylindrical air gap between facing cylindrical surfaces of the rotor and stator, each provided with equal numbers of...
4326137 Low-drag electrical contact arrangement for maintaining continuity between horizontally movable members  
This invention is a low-drag electrical contact arrangement for establishing continuity between upper and lower spaced members which are subject to relative horizontal movement. In one aspect, the...
4314171 Narrow gap collector with integral electromagnetic pump  
A constant supply of liquid metal for a current collector of an acyclic machine is provided by passing armature current radially through a quantity of liquid metal disposed in an annular pumping...
4284918 Porous interface stabilized liquid metal current collector  
A homopolar machine comprises a stator provided with channel structures caining liquid metal, a rotor concentrically positioned within the stator with circumferential rotor flanges disposed in the...
4276507 Homopolar machine for reversible energy storage and transfer systems  
A homopolar machine designed to operate as a generator and motor in reversibly storing and transferring energy between the machine and a magnetic load coil for a thermo-nuclear reactor. The machine...
4275323 Active shield for disk-drum acyclic machine  
An active shield is attached to an acyclic machine surrounding stacks of interleaved rotor and stator disks and axially aligned with the main excitation coil disposed within the rotor shaft. The...
4266154 Permeable mesh current collector for DC machines  
A current collector for an electrical machine employs a rotor collector ring encircled by a stator collector ring to which a compliant brush fabricated of an electrically-conductive, liquid...
4260922 Integral collector pump for high speed machine  
A constant supply of liquid metal for current collectors in an electrodynamic machine is provided by passing armature current radially through a quantity of liquid metal disposed in a...
4246507 Removable brush mechanism for a homopolar generator  
The improved homopolar generator includes a unit carrying the brushes which may be easily removed from the yoke structure. The unit includes brushes, a portion of the return conductor and a movable...
4241272 Novel liquid metal current collector configuration  
An electrical current collector for an acyclic machine employs a rotor collector ring and a stator collector surface connected by a liquid metal current collector having a limited area defined by a...
4241273 Compliant cage for raceway-type liquid metal current collector for high-speed acyclic machines  
An electrical current collector for an acyclic machine employs a stator collector ring which encircles a rotor collector ring and includes a plurality of fins protruding radially-inward from the...
4224546 Purification of liquid metal current collectors  
A method and means for continuously returning degassed and de-emulsified uid metal to the collector sites of high speed acyclic generators is provided. Hydrodynamic pressures developed by the high...
4208600 Disk/drum acyclic machine  
A high power density acyclic machine is described which comprises a plurality of high current density field coils, a series drum and disk arrangement using liquid metal collectors, and shielding...
4207486 Method and apparatus for liquid metal circulation in an acyclic machine  
A constant supply of liquid metal for current collectors in a disk-type acyclic machine is provided by passageways through each stator disk extending from the region adjacent a radially-outer...
4186321 Current collector with compliant brush containing liquid metal reservoir  
A current collector for an electrical machine employs a rotor collector ring encircled by a stator collector ring to which a compliant brush of U-shaped cross section and fabricated of an...
4185216 Circumferentially-segmented magnet homopolar dynamoelectric machine  
A homopolar dynamoelectric machine is provided in which the magnetic fields are segmented circumferentially of the machine. Longitudinal field windings are placed in recesses in a cylindrical...
4172987 Electrical liquid contact for an electrical machine such as an electric unipolar machine having a horizontal shaft or the like  
The invention is directed to an electrical liquid contact for an electrical machine such as an electric unipolar machine with a horizontal shaft. The liquid contact includes a ring gap which is...
4168446 Liquid metal current collector with compliant brush having flooded filaments  
An electrical current collector for an acyclic machine employs a rotor collector ring encircled by a stator collector ring to which a compliant brush of electrically conductive filaments is...
4156155 Combined rotary electrical contact and shaft seal system  
A combined rotary electrical contact and seal system for rotating machines, sing a liquid metal for electrical continuity and convertible labyrinth and rotating rubbing face seals to effect a...
4153868 Unipolar dynamoelectric machine with variable resistance control  
A unipolar dynamoelectric machine with variable resistance control of machine current. The machine includes a stator, a rotor rotating within an opening in the stator, and a control member. The...
4151455 Divided housing unipolar dynamoelectric machine  
A unipolar dynamoelectric machine has a divided housing and uses a liquid metal to effect variable resistance control of the machine current. The machine includes a stator comprising a housing...
4105963 Brushless welding generator  
A brushless welding generator with a homopolar machine which supplies welding current, and has winding-free rotors with several pole rings. Each of these form an air gap of varying size around its...
4097758 Coaxial disk stack acyclic machine  
A plural disk acyclic machine employs an outer axial stack of low reluctance, electrically conductive disks about an inner axial stack of such disks, both stacks being rotatable about a central...
4088911 Electric unipolar machine  
An electric unipolar machine is disclosed which comprises two rotating cylinders disposed one behind the other in an axial direction. The aforesaid rotating cylinders are surrounded by respective...
4086506 Contra-rotating homopolar motor-generator for energy storage and return  
An apparatus for receiving electrical energy in amounts of the order of hundreds of megajoules, converting the electrical energy to mechanical energy for storage, and delivering the stored energy...
4077678 Energy storage apparatus  
An energy storage device comprises a flywheel rotor in the form of a spokeless ring of filamentary, composite material rotating around a ring-shaped stator. Along the inner rim of the rotor, there...
4041337 Segmented magnet homopolar dynamoelectric machines having fluid cooled liquid metal current collecting zones  
A homopolar dynamoelectric machine is constructed with a magnetic field that is broken into segments along the axis of the machine. Liquid metal contacts are utilized to transmit electrical energy...
4034248 Segmented magnet homopolar torque converter  
A homopolar motor and a homopolar generator are concentric and radially displaced from one another to provide a torque conversion arrangement. The motor and generator circuits are internally...
4032807 Inside-out motor/alternator with high inertia smooth rotor  
A multipole homopolar inductor motor/alternator for a flywheel drive includes a rotor assembly on the outside of the stator which functions as the flywheel. Locating the excitation field winding on...
4027184 Pumped single-pass return liquid metal collector with reversed current path for acyclic machines  
To assure availability of liquid metal for operation of liquid metal electrical current collectors in an acyclic machine at all operating speeds of the machine, liquid metal expelled...
4024422 Homopolar motor-battery  
A homopolar motor-battery combination having axially magnetized elements alternating with conductive disks attached to a motor shaft. The conductive disks and an electrochemically active shroud...
3989968 Pumped double-pass return liquid metal collector for acyclic machines  
To assure availability of liquid metal for operation of liquid metal electrical current collectors in an acyclic machine at all operating speeds of the machine, liquid metal expelled...
3984715 Fluid contact for a DC machine  
This invention concerns an improvement in a fluid contact arrangement employed in a DC machine. The invention provides a contact fluid which is interposed between the rotor and the stator of the...
3944865 Homopolar dynamo-electric machines  
A homopolar dynamo-electric machine with stationary superconducting field coils has contra-rotating rotors carrying conductors which are interconnected by slip-rings and brushes between the rotors...
3916235 High current electrical contact arrangement  
An electrical contact arrangement is provided for an electrical machine such as a unipolar machine or the like equipped with a ring-shaped rotatable member and a stationary member adjacent the...
3886385 RATE OF MOTION DETECTOR  
The rate of motion of a relatively large body with respect to another body is detected by apparatus carried on the bodies. A magnet on one body provides a magnetic field between pole pieces and a...
3882366 Motor speed control system  
Precise motor speed control is achieved in a system wherein the speed of a bi-directional motor is controlled by a servo means in response to a homopolar tachometer-generator voltage signal that...
3854065 DEVICE FOR INCREASING THE PRESSURE OF A CONDUCTIVE LIQUID AND UNIPOLAR DYNAMO INCORPORATING SAID DEVICE  
The device comprises a crown of electrically insulated elongated blades which define between themselves a channel for the passage of the liquid. Inlet means are provided for the conductive liquid,...
3846653 UNIPOLAR ELECTRIC TRANSMISSION  
A unipolar electric transmission adapted to provide smooth transitional speed control, comprising two coaxial acyclic machines with liquid-metal slip rings, which are combined into an...
3831049 METHOD AND APPARATUS FOR REDUCING LOSSES IN TRANSMISSION SYSTEMS EMPLOYING ELECTRIC UNIPOLAR MACHINES WITH LIQUID-METAL CONTACTS  
A method of reducing losses in electric unipolar transmissions is disclosed, the transmission having at least one first and one second coaxially interconnected unipolar electric machines each...
3796900 CURRENT TRANSFER IN HOMOPOLAR MACHINES  
Current transfer in a homopolar dynamo-electric machine is effected by liquid metal which is caused to flow from the periphery of the rotor by centrifugal action and impinges on a stationary trough...
3784853 HOMOPOLAR MOTOR FORMING A SOUND RECORD SUPPORT  
A sound record moving device for a sound recording and reproducing apparatus has a base member and a turntable mounted for rotation on the base member. The turntable is constructed from an...
3743874 HOMOPOLAR MACHINES WITH CONTACTS OF LIQUID METAL  
Homopolar motors or generators in which electrical contacts are made by filling the space between the rotor and stator with a liquid metal and especially machines of this type with a plurality of...
3736450 UNIPOLAR DOUBLE INDUCTOR DYNAMO  
A unipolar double inductor dynamo having an anti-inductor winding for eliminating the axial flux produced by the inductor windings in an armature or stator by generating a high anti-inductor flux...
3705775 GAS TURBINE POWER PLANTS  
A gas turbine power plant comprising a compressor, a turbine and a system for transmitting the drive from the turbine to the compressor, wherein the transmission system comprises at least one...
Matches 101 - 150 out of 218 < 1 2 3 4 5 >