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4171494 Electric rotary machine having superconducting rotor  
An electric rotary machine having a superconducting rotor, such as a dynamoelectric machine. A cylindrical shielding member is provided for protecting the superconducting winding from the influence...
4164671 Resistor-containing cryogenic current lead  
Resistors disposed for vaporizing vapor-trap liquid coolant are individually connected in series with each of the high-aspect-ratio current leads connected to a superconductive coil of an...
4152609 Rotor member for superconducting generator  
A rotor is provided for an alternating current generator carrying a superconducting field winding and having a combined damper and shield member on the rotor. The damper-shield member is a...
4146804 Superconductive winding for an iron core rotor of a dynamoelectric machine  
Iron or other ferromagnetic material is utilized in the rotor core of a dynamoelectric machine having a superconductive field winding. A parallel connection arrangement of the winding in...
4134037 Current lead-in device for superconducting rotary electrical machines  
A current lead for a superconducting rotary machine is constituted by a copper tube having a superconducting conductor fastened (e.g. by soldering) to a portion of its length, the entire length of...
4126798 Superconductive winding  
A superconductive field winding is provided for the rotor of a dynamoelectric machine. The winding consists of a number of multi-turn coils of a superconductive conductor which are wound about the...
4123677 Self-regulating transport mechanism for super-conductive rotor refrigerant  
Cryogenic liquid coolant for cooling the rotor of a superconducting generator is deposited on the inner surface of a rotating conduit extending within the rotor, forming an annulus of liquid...
4117357 Flexible coupling for rotor elements of a superconducting generator  
A flexible coupling for connecting pairs of concentric rotor elements in the rotor of a superconducting generator. Various combinations of flexible couplings, each of which is disposed normally to...
4108001 Urea composition for forming thermoparticulating coating  
A composition is disclosed of a urea compound, a resinous carrier, and a solvent. The composition is applied to a portion of an electrical apparatus which is exposed to a gas stream. The solvent in...
4102192 Metallic carboxylate composition for forming thermoparticulating coating  
A composition is disclosed of metallic carboxylate, a resinous carrier, and a solvent. The composition is applied to a portion of an electrical apparatus which is exposed to a gas stream. The...
4101793 Rotating machine using a cooling fluid supplied by a rotating seal  
The circulation of a low temperature cooling fluid is insured by thermal hon effect in a cryoalternator from within a closed loop circuit containing an inner rotating seal of the "bayonet" type...
4096403 Superconducting hybrid magnetic flux pump  
A flux pump having a closed superconducting circuit including wire of relatively high critical field and a gate defining a current-carrying path through a coil, the latter being moveable relative...
4091298 Cryogenic current lead construction with self-contained automatic coolant vapor flow control  
An automatic arrangement is provided for control of the flow of vaporized coolant used for removing heat from each of the current leads carrying current to the rotor winding of a superconducting...
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...
4087711 Rotating electric machine having a toroidal-winding armature  
A rotating electric machine having an armature winding wound in the form of a toroid. The toroidal winding consists of a plurality of sectors which are wound in alternating sense and are disposed...
4085343 Rotor for a rotary electrical machine having a superconductive field winding  
A rotor for a rotary electrical machine having a superconductive field winding, wherein thermal resistance means is arranged at contact parts between a damper, which is so disposed as to cover the...
4079273 Coolant circuit for the rotor of an electric machine having a superconductive excitation winding  
In a coolant circuit for an electric machine rotor mounted on a shaft and having a superconductive excitation winding, a cold shield with a damping winding surrounding the excitation winding, as...
4076988 Superconducting dynamoelectric machine having a liquid metal shield  
A superconducting synchronous motor or generator which utilizes separate radiation and damper shields around a superconducting field winding on the machine rotor. The damper shield includes a pair...
4060742 Superconductive dynamoelectric machine with improved cryogenic support arrangement  
A superconducting dynamoelectric machine has a cryogenic portion of the rotor supported on the ambient temperature portion of the rotor by relatively long and thin spokes. The spokes extend between...
4060743 Superconductive exciter winding for the rotor of a turbogenerator and method of production  
In a turbogenerator rotor, the combination of a superconductive exciter winding formed of a multiplicity of individual windings and a winding support cylinder wherein the superconductive exciter...
4058747 Rotary electrical machines having a superconducting field winding  
A synchronous rotary electric machine has a stationary superconducting D.C. field winding, a rotatable mechanical torque transmission shaft which carries normally conducting polyphase windings for...
4058746 Dynamoelectric machinery utilizing superconductive windings  
Iron or other ferromagnetic material is utilized in the magnetic circuit of dynamoelectric machines having superconductive field or excitation windings. In DC machines, a stationary salient pole...
4056745 Cryogen transfer coupling with adjustable throttle valve for rotating machinery  
A relatively rotatable coupling apparatus is disclosed for conveying fluid from a stationary reservoir to a rotatable member. An adjustable throttle valve is operably connected intermediate of the...
4042846 Unitary supporting structure for superconducting field assembly  
A unitary supporting structure for enclosing the superconducting field assembly of a dynamoelectric machine has a drive shaft portion for transmitting torque from a prime mover to the field...
4039870 Integrated annular supporting structure and damper shield for superconducting rotor assembly of dynamoelectric machine  
A composite tubular structure for shielding and supporting the superconducting field assembly of the rotor of a dynamoelectric machine. A plurality of elongated hollow metal cylinders are disposed...
4037123 Dynamoelectric machine with a superconductive field winding that can operate in either a synchronous or an asynchronous mode  
Two parallel magnetic flux paths are provided in a dynamoelectric machine having a superconductive field winding. A first, or main, magnetic flux path includes at least one area of nonferromagnetic...
4035678 Coolant circulation system for the rotor of an electric machine having a superconductive excitation winding  
Coolant circulation system for the rotor of an electric machine having a superconductive excitation winding and carried by a rotary shaft includes a radially outer cold shield surrounding the...
4034245 Synchronous electrical machine having a superconductive field winding  
A synchronous electrical alternator has a superconducting field winding and armature windings. An auxiliary winding is carried by the shaft receiving motive power and a source circulates in the...
4020371 Electric rotating machine having a cryo-inductor  
An electric rotating machine whose inductor operates at very low temperat and is separated from the rotor by an empty space, characterized in that a reflector screen constituted by a layer of...
4017755 Fluid-cooled rotating member with improved coolant exhaust structure suitable for superconducting dynamoelectric machinery  
In a fluid-cooling rotating member, such as a dynamoelectric machine rotor with superconducting windings, the fluid exhaust is used to cool structural members connecting ambient and cool zones in...
4016444 Rotor for an electric machine having a cryo-inductor  
The invention concerns electric rotating machines whose rotor inductor optes at a very low temperature, characterized in that the rotor of these machines comprises a bearer cylinder made of a...
4013908 Cooling system for a superconductive exciter winding  
Cooling system for a superconductive exciter winding in a turbogenerator rotor, the exciter winding having winding coils formed of a multiplicity of individual windings that are received in slots...
4001617 Rotary electrical machines comprising a superconductive winding  
A rotary motor has a superconducting freely spinning field winding, A.C. armature windings and electrically conductive screen means connected to an output shaft. The field winding consists of a...
3999091 Superconducting machine having wound damper-shield winding  
A superconducting machine having a wound damper-shield winding disposed in the cold region of the machine and having electrical leads to a warm region. Electric current control means at the warm...
3991333 Winding support structure for superconducting rotor  
Rigid support for the rotor winding of a superconductive A.C. generator is achieved by combining a plurality of modular racetrack-shaped sections to form the winding. Each section is separately...
3967145 Contactless synchronous electric machine  
A contactless synchronous electric machine comprises a stator carrying an armature winding, a field winding and a rotor with claw-shaped pole systems coaxially surrounding the stator with the...
3942053 Device for securing a superconductive exciter winding in the rotor of a turbogenerator  
Device for securing a superconductive exciter winding in a thermally insulating, thermally elastic and short-circuit proof manner within the rotor of a turbogenerator wherein the rotor has a body...
3940643 Cryogen-cooled synchronous compensator  
A cryogen-cooled synchronous compensator, comprising a fixed armature winding and a rotor with a field winding arranged thereon, said windings being made of superconducting materials and located,...
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...
3919571 Bearing for the rotor of a dynamo-electric machine provided with a superconducting winding  
The rotor of an electrical machine comprises two concentric parts one of which, preferably the outer part being in a region of normal temperature, the other part of the rotor, preferably the inner...
3916229 Induction motor for superconducting synchronous/asynchronous motor  
An induction motor structure for use on the outside of a superconducting or comprising a cylindrical shell of solid and laminated, magnetic iron with squirrel cage windings embedded in the outer...
3904899 Linear asynchronous electric motors  
The motor has a passive conductive track, comprising an inductor winding intended to be traversed by a direct current, of superconducting material, placed in a cryostat, rotary with the cryostat...
3904898 Linear electric motors  
The motor has an active stationary conductive track and an assembly carried by the vehicle to be driven along the track. The assembly includes a superconducting DC field winding located in a...
3904901 Rotary electric machine with super-conducting winding  
An asynchronous rotary electric machine comprises a stator in which a field coil or inductor of superconducting material rotates. The field coil is in a cryostat rotating with it and has a purely...
3898490 Superconductive AC dynamoelectric machines having two rotors  
An AC dynamoelectric machine is constructed with a stator and a pair of rotors. The inner rotor is connected to the drive shaft of the machine and has an induction winding, such as a squirrel cage...
3891875 Superconducting rotor  
A dynamoelectric machine rotor has a superconducting field winding and a normally conducting amortisseur winding secured to a closed mounting cylinder and is secured interiorly of and coaxially...
3875435 Heat operated cryogenic electrical generator  
An electrical generator useful for providing electrical power in deep space, is disclosed. The subject electrical generator utilizes the unusual hydrodynamic property exhibited by liquid helium as...
3863083 FLUID-COOLED DYNAMOMETER  
A dynamometer is effectively cooled by passing a cooling fluid through uniquely structured parts of the dynamometer. These parts include an integrally formed combination inductor and housing to...
3845336 BEARING AND HOUSING CONSTRUCTION  
A portable electric device comprising a housing having an electric motor disposed therein. The motor includes a rotatable shaft carried by bearings supported upon the housing. The housing includes...
3835663 SUPERCONDUCTING DYNAMO-ELECTRIC MACHINES  
A homopolar dynamo-electric machine having a stationary superconducting field winding contained in a cryostat through which liquid helium is circulated by a main cooling circuit is provided with an...