Abstract: A power generation device includes a housing, chambers, and conductive fillers. The housing has a rotation axis. The chambers surround the rotation axis and located inside the housing. The conductive fillers respectively filled in the chambers. The chambers include electrodes. The electrodes are located on the chambers and in contact with the conductive fillers.

Abstract: A hydrogen jet system includes an evacuated recirculation duct, with a pump to circulate gas around the recirculation duct and a control nozzle to form a jet of gas; means to provide hydrogen gas into the duct; and an electrical device to provide energy into the jet of gas so as to form hydrogen atoms. The jet of gas is arranged to pass through a hollow electrode shell defining opposed apertures that are aligned with the jet of gas; and a target electrode is arranged beyond the electrode shell and also aligned with the jet of gas, so that hydrogen atoms would impact with the target electrode. The electrode shell and the target electrode are each connected to an external electrical terminal. The electrode shell and the target electrode may each define heat exchange channels to remove heat energy during operation.

Abstract: A direct converter for an axisymmetric mirror confinement system provides a set of radially symmetric vanes charged to capture ions escaping along the axis of the confinement system and to convert their energy to electrical power. An electron trap positioned before the charged vanes uses a magnetic field to divert and collect electrons, separating them from the ions, and may support a radial electric field providing plasma control. The charged vanes may be constructed of or have a coating of a getter material absorbing neutrals derived from those ions after capture.

Abstract: A curvilinear electromagnetic pump is configured to follow a curve, such as by coupling multiple linear pump segments together that are offset by an angle with respect to each other. The curvilinear electromagnetic pump can curve within two dimensions, or within three dimensions. The curvilinear electromagnetic pump allows for more efficient arrangement of components and systems within a nuclear reactor vessel and allows a significantly reduced reactor vessel height as compared to a linear pump arranged vertically. The curvilinear electromagnetic pump may follow the curvature of the reactor vessel wall and may be entirely disposed near the bottom of the reactor vessel.

Abstract: A liquid metal-cooled nuclear reactor includes, within a reactor pressure vessel having a reactor core, a multistage annular linear induction pump (ALIP) configured to circulate liquid metal coolant through the reactor core. The multistage ALIP includes multiple sets of induction coils that at least partially define separate, respective stages of the multistage ALIP. The multiple sets of induction coils are configured to be electrically connected to separate, respective polyphase power supplies, such that the stages of the multistage ALIP are configured to be controlled independently of each other to adjustably control a flow of liquid metal coolant through the reactor core based on independent control of the multiple polyphase power supplies.

Abstract: A flowmeter for gaseous fluid includes a conduit composed of non-electrically conductive material for passage of an ionized flow of the gaseous fluid therethrough. The flowmeter further includes an electromagnetic sensor arranged to measure a magnetic field generated about the conduit by the passage of the ionized flow and generate a signal proportional to the magnetic field.

Abstract: A wave energy converter utilizes a flotation module that rises and falls with the passage of waves, a submerged tube containing a constriction which multiplies the speed of the water passing therethrough, a turbine (or other hydrokinetic apparatus) positioned so as to extract energy from the accelerated flow of water within and/or through the tube, and a submerged gas- or liquid-filled chamber housing one or more energy conversion components (e.g. generators, transformers, rectifiers, inverters). By providing a chamber in proximity to the turbine, generators can be placed in closer proximity to the turbine that turns them, and the shared shaft can be shorter than if the generators were placed in the buoy adjacent to the surface.

Abstract: A satellite propulsion system and methods of operating the same include a first ionization stage and a second acceleration stage. The first ionization stage has a plasma source configured to produce an arc discharge and emit a preliminary plasma. The plasma source includes an external magnetic field configured to magnetize the arc discharge. The second acceleration stage has an accelerator positioned in series with the plasma source. The accelerator is configured to accelerate the preliminary plasma out through the accelerator, thereby creating an accelerated plasma flow. The application of an activation threshold voltage to the accelerator results in a surge in system performance parameters.

Abstract: A superconducting magnet device includes a tubular cryostat defining a central cavity therein, a first superconducting coil set and a second superconducting coil set disposed outside the central cavity and inside the tubular cryostat, and a power supply system being capable of controlling a magnitude of a first exciting current to the first superconducting coil set and a magnitude of a second exciting current to the second superconducting coil set independently of each other. The first superconducting coil set generates a magnetic field distribution, which is convex downward on an X axis and convex upward on a Y axis when the first exciting current is supplied, in the central cavity. The second superconducting coil set generates a magnetic field distribution, which is convex upward on the X axis and convex downward on the Y axis when the second exciting current is supplied, in the central cavity.

Abstract: An antenna 300 comprising a housing 310 with an internal cavity 315. The cavity 315 holds an adjustable amount of electrically conductive liquid, and a twin-conductor feedline 350 connects the antenna 300 to a receiving and/or transmitting device. The conductive liquid in the cavity 315 of the antenna housing 310 acts as a first element and receives/transmits signals from/to the first feedline conductor, whilst the second feedline conductor is attached to electrical ground 320.

Abstract: An electromagnetic induction pump includes a tubular internal inductor having internal combs and internal coils between teeth of the internal combs. The inside of the internal inductor forms a cavity. An internal tube is positioned around the internal inductor. A pumping canal allows circulation of a fluid. The canal is between the internal tube and external tube. A tubular external inductor is positioned around the external tube and includes external combs and external coils positioned between teeth of the external combs. An electromagnetic pump includes a movement device for moving the internal combs, and varies the radial clearance between the internal combs and internal tube, having a first part positioned inside the internal inductor and in connection with the internal combs to move them radially, and a second part extending at least partially outside of the internal inductor and connected to the first part to control the first part.

Abstract: In one exemplary aspect, the subject matter described in this specification can be embodied in an energy extraction system that includes a decelerator cavity coupled to a transport line for a charged particle beam and an energy conversion device coupled to the decelerator cavity. The decelerator cavity is configured to extract energy from the charged particle beam traveling through the decelerator cavity as RF energy. The energy conversion is configured to convert the RF energy into electrical current and supply the electrical current to an electric power grid. The charged particle beam includes charged particles with individual rest masses greater than the rest mass of an electron.

Abstract: Embodiments of an apparatus for generating electric power from flowing seawater are disclosed. Embodiments form fluid channels having magnetic fields through which seawater will flow. Electrodes are arranged with respect to the fluid channels and connected together such that electric power is generated as seawater flows through the channels.

Abstract: A thruster has a first stage and a second stage. The first stage is a plasma source that outputs a plasma. The second stage is an accelerator. In one embodiment, the second stage is a plasma accelerator that accelerates the plasma. In another embodiment, the second stage is an ion accelerator that accelerates the ions from the plasma.

Abstract: A powered system that has an electric power system with a stator having plural poles with each pole having a conductive winding that may surround the corresponding pole and may be configured to generate a magnetic field, and a rotor that may be configured to rotate in response to the magnetic field generated by the stator. The at least one of the conductive windings may be insulated with an insulation material configured to conduct heat from the at least one conductive winding while operating at a temperature above 600° C.

Abstract: A means to generate increasing geological permeability to produce greater volumes of various subsurface geological resources when compared to the current conventional production methods is disclosed. The means include a Pulsed Power Plasma Emitter System capable of substantially increasing the available electrical energy for use in high power compression surge currents that can be discharged and transmitted to power a simplified downhole Plasma Emitter Tool subsystem. The simplified downhole Plasma Emitter Tool sub-system is capable of generating a broad range of precisely controlled magnetohydrodynamic plasma spark discharges that produce a broad range of high power electromagnetic, acoustic and hydrodynamic surge waves. These powerful surge waves are generated at energy and power levels that are necessary to physically modify all types of geological formation permeability and to energize the mobilization of various subsurface fluids and fluidized resources.

Abstract: A system converts mechanical wave energy into electrical energy. The system includes a wave energy converter (WEC), which includes a surface float, a reaction structure, a plurality of flexible tethers, and a plurality of drivetrains. Each flexible tether connects the surface float to the reaction structure. Each drivetrain is connected to a corresponding flexible tether. Each flexible tether has a length established to treat the system as an inverse pendulum to utilize a horizontal surge motion of the surface float to present tension at the corresponding drivetrain for production of electrical energy from the horizontal surge motion.

Abstract: Microfluidic pumps are provided that use electrowetting to manipulate the location of one or more droplets of a working fluid (e.g., water) in order to pump tears, blood, laboratory samples, carrier fluid, or some other payload fluid. The working fluid is separated from the payload fluid by one or more droplets of an isolating fluid that is immiscible with the working fluid. The working fluid is manipulated via electrowetting, by applying voltages to two or more electrodes, to repeatedly move back and forth. Forces, pressures, and/or fluid flows exerted by the working fluid are coupled to the payload fluid via the droplet(s) of isolation fluid and reed valves, diffuser nozzles, or other varieties of valve can act as flow-rectifying elements to convert the coupled forces into a net flow of the payload fluid through the pump.

Abstract: A system includes an electric generator, a power electronics system, and a heat exchanger. The electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is configured to rotate with the turbine wheel. The electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The power electronics system is configured to convert the electrical power to specified power characteristics. The heat exchanger includes a first side in fluid communication with the process gas and a second side in fluid communication with a fluid stream from a second system. The heat exchanger is configured to cool the fluid stream using the process gas.

Abstract: A system that produces electricity offshore through a fixed installation, including a minimum of; one turbine, one generator, one compressor set, one high voltage subsea cable, and one control center; the generator is a gas driven generator that produces enough power to operate the electric motors, an onshore control center that operate and monitor the system, and all electricity generated through the water turbines and generators are transported to the onshore electricity grid through a high voltage subsea cable.

Abstract: A hybrid actuation device includes an artificial muscle, a first plate coupled to a second plate, and a shape memory alloy wire. The artificial muscle includes a housing, a first electrode and a second electrode, and a dielectric fluid. The housing includes a first film layer, a second film layer, an electrode region, and an expandable fluid region. The first electrode and the second electrode are each disposed in the electrode region of the housing. The dielectric fluid is disposed within the housing. The first plate and the second plate are positioned within the housing, the first plate positioned between the first film layer and the first electrode, and the second plate positioned between the second film layer and the second electrode. The shape memory alloy wire extends from the first plate to the second plate and through the dielectric fluid.

Abstract: A gas turbine engine which includes an outer casing; a central longitudinal hollow shaft with a forward air inlet; a three stage rotating superconducting electric bypass fan with front and rear fan blades and a diffuser blade interposed between said front and rear fan blades wherein the diffuser blade rotates in an opposite direction to the front and rear fan blades; a multiple stage superconducting axial compressor positioned aft of the three stage rotating superconducting electric bypass fan; a multiple stage superconducting electric turbine core positioned aft of the multiple stage variable speed superconducting axial compressor, whereby the electric power from the multiple stage superconducting electric turbine core powers the three stage superconducting electric bypass fan and the multiple stage superconducting axial compressor.

Abstract: A method of operating a nuclear fusion device. The nuclear fusion device comprises a toroidal plasma chamber and has poloidal field coils configured to form a plasma within the plasma chamber by one of merging compression and double null merging. A varying current is provided to the poloidal field coils. The varying current comprises a plurality of pulses. Each pulse comprises a plasma formation period having a rate of change of current which is opposite in sign to the current; and a merging period following the plasma formation period and having a current sufficiently low in magnitude as to allow plasmas within the chamber to merge into a single plasma. The current during the plasma formation period is varied such that the energy density of the single plasma immediately after merging is sufficient for fusion to occur.

Abstract: An apparatus providing mechanical-to-electrical energy conversion generates electrical current by moving a conductive fluid in the presence of magnetic field. The motion of the fluid is induced by a mechanical energy source and the generated electrical current is directed to a useful load. The proposed apparatus utilizes a conductive fluid as a “liquid rotor” has substantially different radial velocity distribution than the conventional, prior art solid rotor. The apparatus includes an inverter, controlled by the flow of the conductive fluid, to generate a train of pulses as an output, where the pulses are used by an associated transformer to provide an AC output voltage.

Abstract: A circuit for generating electrical energy is disclosed. The circuit uses a pulse generator in combination with a tube having a cavity therein. The tube can have material therein, such as solid material or fluid passing therethrough. A thyristor or other negative resistance is in series with the tube to increase a change of voltage with respect to time. A resultant energy applied to a load is larger than the energy supplied by the pulse generator due to the absorption of external energy by the tube.

Abstract: Method and apparatus for heating and/or compressing plasmas to thermonuclear temperatures and densities are provided. In one aspect, at least one of at least two plasmoids separated by a distance is accelerated towards the other. The plasmoids interact, for instance to form a resultant plasmoid, to convert a kinetic energy into a thermal energy. The resultant plasmoid is confined in a high energy density state using a magnetic field. One or more plasmoids may be compressed. Energy may be recovered, for example via a blanket and/or directly via one or more coils that create a magnetic field and/or circuits that control the coils.

Abstract: A closed loop steam engine that transfers its motive power to a flow of water using a steam injector. The resulting water jet then drives a turbine, is cooled in a heat exchanger to extract useful heat and then return to the steam injector water inlet. Part of the flow of water is reused as feed water to the boiler.

Abstract: A system for generating electrical energy by efficient movement of a specialized inductive medium that fulfills a need for new sources of electricity. The system for generating electrical energy by efficient movement of a specialized inductive medium includes an evacuated tube serving as a cathode disposed on a pipe, the evacuated tube contains a plurality of emulsified copper, the emulsified copper serves as the specialized inductive medium. The overall system includes a gear pump that moves the emulsified copper at high speed through the pipe where it is influenced by the magnet and the electric current is induced in the high-speed emulsified copper.

Abstract: A method of producing a charge separation in a plasma having a low particle density which comprises a plurality of electrons and a plurality of positive ions. The method includes generating a magnetic field and passing the plasma having a low particle density along a first axis through the magnetic field. The magnetic field is generated having a component which is perpendicular to the first axis and is configured so as to deflect the plurality of electrons from the first axis and allow the plurality of positive ions to travel substantially undeflected along the first axis. Also provided is a magnetohydrodynamic generator and a low earth orbit thruster making use of the charge separation mechanism.

Abstract: Microfluidic pumps are provided that use electrowetting to manipulate the location of one or more droplets of a working fluid (e.g., water) in order to pump tears, blood, laboratory samples, carrier fluid, or some other payload fluid. The working fluid is separated from the payload fluid by one or more droplets of an isolating fluid that is immiscible with the working fluid. The working fluid is manipulated via electrowetting, by applying voltages to two or more electrodes, to repeatedly move back and forth. Forces, pressures, and/or fluid flows exerted by the working fluid are coupled to the payload fluid via the droplet(s) of isolation fluid and reed valves, diffuser nozzles, or other varieties of valve can act as flow-rectifying elements to convert the coupled forces into a net flow of the payload fluid through the pump.

Abstract: A method for determining a volume of fluid dispensed into a test housing includes creating an electrical potential across at least one input electrode of a plurality of input electrodes and at least one output electrode of a plurality of output electrodes. The input electrodes and the output electrodes are each coupled to the test housing. The method includes receiving at least one signal from the at least one output electrode based on the fluid dispensed into the test housing. The method includes calculating the volume of fluid dispensed into the test housing based on the at least one signal received from the at least one output electrode, a dimension associated with an internal channel defined within the test housing, and a distance between two input electrodes of the plurality of input electrodes.

Abstract: System for storing and using energy quantum mechanically includes an electronic device that produces heat while operating. A quantum heat engine can be in thermal contact with and electrically connected to the electronic device. The heat produced by the electronic device can dissipate to the quantum heat engine. The quantum heat engine can induce a current to bias the electronic device. Methods for storing and using memory resource to convert heat into electrical work, coherence capacitors, methods for quantum energy storage, and quantum heat engines, are also disclosed.

Abstract: An electrostatic air cleaner may be operated according to a manner designed to achieve acceptable air quality while balancing power usage and corona electrode degradation levels. The voltage applied to the corona electrode(s) may be controlled as well as the voltage applied to repelling electrodes and air flow velocity. The air cleaner may also be operated to achieve desired particle separation.

Abstract: An alarm system having a portable body carried controller that wireless communicates with multiple remote base units each having a wireless communications system configured for ultralow power mode operation where the communications system is put in sleep mode greater than one half packet transmission time but no greater than preamble transmission time to conserve battery life. Controller has multiple LED-equipped buttons assigned to corresponding base units during pairing which are respectively activated when the corresponding base unit assigned thereto alarms upon occurrence of a sensor detection event. Pressing the button can turn off the LED alarm, can poll the assigned base unit, and can task the assigned base unit including to operate in flashlight mode where base unit is lit up. A preferred base unit has an enclosure with legs that form reversible pedestals upon which base unit can be placed.

Abstract: A method for determining a volume of fluid dispensed into a test housing includes creating an electrical potential across at least one input electrode of a plurality of input electrodes and at least one output electrode of a plurality of output electrodes. The input electrodes and the output electrodes are each coupled to the test housing. The method includes receiving at least one signal from the at least one output electrode based on the fluid dispensed into the test housing. The method includes calculating the volume of fluid dispensed into the test housing based on the at least one signal received from the at least one output electrode, a dimension associated with an internal channel defined within the test housing, and a distance between two input electrodes of the plurality of input electrodes.

Abstract: A magnetic connector that transmits a plurality of signals from an input supply to a device is provided. The magnetic connector includes a first connector body coupled to the input supply and a second connector body coupled to the device, a first set of magnets disposed in the first connector body, and a second set of magnets disposed in the second connector body. The first and second connector bodies connect together with the exposed positive or negative magnetic pole of each magnet in the first set of magnets engaged with the exposed pole of one of the magnets in the second set of magnets having an opposite magnetic pole. Each engaged pair of one magnet in the first set of magnets and one magnet in the second set of magnets transmits one of the plurality of signals from the input supply to the device.

Abstract: An electric machine (1) has a stator (2) with a stator body (3) and a stator winding (4) and a rotor (5) rotatably disposed with respect to the stator and having a rotor body (6) with a plurality of permanent magnets received therein. The rotor is disposed with an air gap (14) between the rotor body and the stator body and to make a magnetic flux to pass between the permanent magnets of the rotor body and stator poles of the stator body through this air gap. The machine further comprises at least one member (15, 16) or an agent of a material having a high magnetic permeability configured to be positioned with respect to the stator body (6) so as to reduce the magnetic flux (A) from the permanent magnets through said air gap.

Abstract: The invention relates to the field of magnetohydrodynamic generators, and more precisely to such a generator (10) comprising a working fluid flow passage (11) that is defined by a first wall (12) and a second wall (13), an ionizing device (14) for ionizing the working fluid, a pair of arms (15), each connecting together the first and second walls (12, 13) downstream from said ionizing device (14) so as to define, within the flow passage (11), a channel (16) between said arms (15) and said walls (12, 13), said channel (16) being arranged to be traversed by a portion of the working fluid after it has been ionized, a magnet for generating a magnetic field (B) oriented in a direction that is perpendicular to the flow of the working fluid through the channel (16) defined by the pair of arms (15) and said walls (12, 13), and at least one pair of electrodes (17), each of the electrodes (17) in each pair being arranged on a respective side of the channel (16) defined by the pair of arms (15) and said walls (12, 13),

Abstract: Microfluidic channels and pumps for active cooling of circuit boards are described. One circuit board includes a substrate and a microfluidic channel structure disposed on the substrate, the microfluidic channel structure comprising liquid metal disposed in a microfluidic channel. Liquid metal is disposed in the microfluidic channel and a pump pumps the liquid metal through the microfluidic channel to actively cool at least a portion of the circuit board.

Abstract: A means to generate increasing geological permeability to produce greater volumes of various subsurface geological resources when compared to the current conventional production methods is disclosed. The means include a Pulsed Power Plasma Emitter System capable of substantially increasing the available electrical energy for use in high power compression surge currents that can be discharged and transmitted to power a simplified downhole Plasma Emitter Tool subsystem. The simplified downhole Plasma Emitter Tool sub-system is capable of generating a broad range of precisely controlled magnetohydrodynamic plasma spark discharges that produce a broad range of high power electromagnetic, acoustic and hydrodynamic surge waves. These powerful surge waves are generated at energy and power levels that are necessary to physically modify all types of geological formation permeability and to energize the mobilization of various subsurface fluids and fluidized resources.

Abstract: The present invention discloses a low temperature plasma air purifier with high speed ion wind self-adsorption, which comprises a power module releasing a high-voltage direct current, a housing functioning as a support, an emitter electrode generating a strong ionization field, and a dust collecting electrode adsorbing various particles, wherein the emitter electrode comprises one or more needle-like conductors, circular holes fitted with each of the needle-like conductors are provided on the dust collecting electrode. The present invention has a simple structure and a small size, and realizes a high purification speed without the assistance of fans. The porous metal structure of the dust collecting electrode increases the contact area for air purification so that the dust collecting electrode has a strong adsorbability, which ensures a good air purification effect.

Abstract: A magnetic flowmeter includes a flowtube with electrodes and field coil and a transmitter that automatically determines an operating setpoint for the magnetic flowmeter based upon sensed coil inductance, sensed coil resistance, a power rating for the transmitter, the flowtube, or both, and selected performance criteria.

Abstract: A salt-composition for stabilizing the carbonate balance in the aquaristic area (i.e., aquariums), wherein the salt-composition has major components of at least 10 weight percent formates. The salts contain no fatties, proteins or sugars and stabilize the carbonate balance individually, being essentially disconnected from biochemical metabolism-cycles. The alkaline, ready to use solution of the salt composition supports advantageously skeleton- and reef-building sea-water-systems in their bio-mineralization. Use of the salt-composition to acidicly activate carbonate-containing aquaristic ornamental stones provides special substrates, on which bio-mineralizing systems of sea-water aquariums settle and grow quicker and better.

Abstract: A low-noise blower has an impeller with an impeller plate and a plurality of blades each attached to the impeller plate. Each blade has a tip and a leading surface with a first portion that is proximate to the tip and has a first radius that is within a range of 0.03-0.20 inch.

Abstract: In order to avoid an electrode from disturbing a flow of a fluid in a flow channel in case that the electrode of an electric conductivity meter is arranged in the flow channel, the electric conductivity meter comprises two tubular electrodes inside of each of which respectively formed is an inner flow channel where the fluid flows, and an electrode holder that communicates each of the inner flow channels of the two electrodes and that holds the two electrodes. The electrode holder holds the two electrodes by making an engagement with each outer peripheral surface of mutually facing axial direction end parts of the two electrodes.

Abstract: An electro hydrodynamic pump apparatus includes a cartridge body member that includes an interior cavity portion and openings on either end of the cartridge body member. A first electrode member is disposed within the interior cavity portion of the cartridge body member. The first electrode member includes a conductive bar member which has a plurality of spaced apart elements extending therefrom. A second electrode member is also disposed within the interior cavity portion of the cartridge body member. The second electrode member also includes a conductive bar with a plurality of spaced apart elements extending therefrom. The elements of the first electrode member are configure to be interspersed with the elements of the second electrode member when the first electrode member and the second electrode member are disposed within the interior cavity portion of the cartridge body member.

Abstract: An ion throughput pump (ITP) includes a pump inlet configured to communicate with a vacuum chamber; an ionization source fluidly communicating with the vacuum chamber via the pump inlet and configured for ionizing gas species received from the vacuum chamber; a pump outlet; ion optics configured for accelerating ions produced by the ionization source toward the pump outlet; and a roughing pump stage configured for receiving the ions from the ionization source, producing neutral species from the ions, and pumping the neutral species through the pump outlet.

Abstract: A camera cover glass unit comprises a cover glass, arranged to protect an image capturing unit of a camera and a cover glass frame arranged to hold the cover glass is disclosed. A resilient structure is mounted between the cover glass and the cover glass frame and allows the cover glass to move in relation to the cover glass frame. A first permanent magnet is attached to the cover glass, and a motor is arranged to rotate a second permanent magnet in relation to the first magnet, in order to achieve a time-variant magnetic field, such that the second magnet attracts and repels the first magnet to a varying degree, thereby causing the cover glass to move in relation to the frame.

Abstract: The improved liquid transportation and desalination system transports seawater or other saline liquids through a piped distribution system with essentially no moving parts by relying on MHD principles. A fluid pump device comprised of high-strength permanent magnets forming chambers through which the liquid passes and inter-chamber opposing electrode plates with an applied DC potential provide the magnetic flux density and electric current for generating the Lorentz forces acting on the liquid. The fluid pump device may be combined with a desalination filtration device for provision of fresh water near the end of the distribution line without the need for a largescale treatment plant. Desalination/filtration occurs through use of nano-porous graphene and/or carbon nanotube media.

Abstract: An electric machine for a motor vehicle includes a rotor, and a stator interacting with the rotor. The stator includes a laminated core, a coil carrier configured for a flow of a cooling fluid there through, and a coil assembly having a plurality of stator coils and arranged in the coil carrier. The coil carrier has an enclosed configuration so as to form a fluid seal against the laminated core and the rotor.