Abstract: A system of a hybrid aircraft includes a first gas turbine engine including a fan, a high speed spool, and a low spool motor configured to drive rotation of the fan. The system also includes a second gas turbine engine and a controller. The controller is operable to determine an operating mode of the hybrid aircraft, control the low spool motor to drive rotation of the fan of the first gas turbine engine responsive to a thrust command while the second gas turbine engine is driven by commanding fuel combustion based on the operating mode, and accelerate the high speed spool of the first gas turbine engine and command fuel combustion at the first gas turbine engine based on a transition of the operating mode to perform a starting operation of the first gas turbine engine.

Abstract: A graphene heat exchanger for absorbing thermal energy and located in a downhole tool. The downhole tool is located in a borehole intersecting an earth formation and comprising a thermal component. The heat exchanger includes graphene and is thermally coupled to the thermal component. The heat exchanger is configured to absorb thermal energy from the thermal component or absorb ambient thermal energy from the earth formation.

Abstract: Disclosed are a thermoacoustic engine with high conversion efficiency from heat energy to acoustic energy and a designing method for the thermoacoustic engine. A stack of the thermoacoustic engine has a plurality of flow passages extending through a thermoacoustic piping section. A hot heat exchanger is coupled to one end in a longitudinal direction of the stack. A cold heat exchanger is coupled to the other end in the longitudinal direction of the stack. And a length in the longitudinal direction of the hot heat exchanger is greater than a length in the longitudinal direction of the stack, and is greater than a length in the longitudinal direction of the cold heat exchanger.

Abstract: A thermoacoustic energy conversion system includes a closed circumferential encasing filled with a working fluid through which an acoustic wave can propagate in a propagation direction in use of the system, and at least one assembly of two heat exchangers with a regenerator sandwiched there-between arranged in said encasing. The at least one assembly is arranged substantially parallel to a local longitudinal axis of the encasing.

Abstract: A vehicle uses a plurality of momentum generators to accelerate. The momentum generator may comprise an arm bearing weights that may be mounted to a frame and arranged to pivot in circular motion. A power source rotates the arm which encounters a stop before rotating half of a full turn. The power source may act continually on the arm, with the arm being released to rotate by a detent mechanism. Momentum of the arm and weights is transferred by the stop to the frame. Direction of rotation is selected to move the frame in a predetermined direction. The vehicle may be wheeled or may be flight capable. If flight capable, the vehicle may have a primary power source such as a rocket motor, with the momentum generators being disposed to increase velocity beyond that produced by the rocket motor. Momentum generators are preferably provided in pairs arranged in mirror image opposition so that operation does not impose unbalanced forces on the vehicle.

Abstract: A thermo-acoustic engine and/or cooler is provided and includes an elongated tubular body, multiple regenerators disposed within the body, multiple heat exchangers disposed within the body, where at least one heat exchanger is disposed adjacent to each of the multiple regenerators, multiple transducers axially disposed at each end of the body, and an acoustic wave source generating acoustic waves. At least one of the acoustic waves is amplified by one of the regenerators and at least another acoustic wave is amplified by a second one of regenerators.

Abstract: A thermoacoustic electric generator system includes: a thermoacoustic engine provided in an annular tube; a turbine provided in a branched tube and rotating when receiving acoustic energy, which is generated by thermoacoustic oscillation of working gas in the thermoacoustic engine; and a generator for converting kinetic energy, which is generated by rotation of the turbine, to electric energy. The turbine is provided at a specified position that belongs to a region between a first position and a second position in each region of the branched tube, the first position being an intermediate position between one end and the other end, and the second position being an intermediate position between the first position and the other end.

Abstract: An apparatus for gravity-based power generation is described in this disclosure. The apparatus may include: a main shaft; a plurality of radially extending arm assemblies that may be attached to the main shaft from their proximal ends and may be rotatable with the main shaft in a vertical trajectory. Each arm assembly may include an arm and a weight assembly mounted on the arm. Each arm may be configured with an adjustable length and each weight assembly may be configured with an adjustable mass and an adjustable position on its respective arm. The arm assemblies may be kept in a continuous rotational movement along the vertical trajectory by changing at least one of the adjustable length, the adjustable mass, and the adjustable position in predefined regions along the vertical trajectory.

Abstract: An energy generating system includes a first pair of sails, configured for opposing reciprocal swinging motion in response to a flow of fluid therepast, and a first generator assembly, mechanically coupled to the first pair of sails, configured to generate electrical energy from the opposing reciprocal swinging motion of the first pair of sails.

Abstract: A sensor includes a flexible wafer substrate and an oscillator provided on a principal surface of the wafer substrate, and the oscillator deforms when an external force is applied to the wafer substrate.

Abstract: A generator includes a main cavity and a shaft located in the main cavity. The shaft is configured to be connected to an auxiliary power unit (APU) and rotated by the APU. The generator is configured to generate power based on the rotation of the shaft. A fluid system is configured to receive a fluid from the APU, flow the fluid through the main cavity and return the fluid to the APU through a fluid scavenge channel. A filter is configured to filter the fluid from the main cavity to the fluid scavenge channel and a sensor is configured to detect a characteristic of the fluid at the filter.

Abstract: A thermal magnetic engine and a thermal magnetic engine system are disclosed. The thermal magnetic engine includes a fixed element, a rotation element, working fluid and a fin structure. The rotation element includes a working material. The rotation element rotates relative to the fixed element. The working fluid flows through the rotation element and forms a temperature difference on the working material. The fin structure is disposed on the rotation element. The rotation element rotates along a rotating direction due to the temperature difference on the working material and/or due to the flowing of the first working fluid through the fin structure.

Abstract: A magnetic thermal device is provided. The magnetic thermal device includes a shaft, having an axis direction; a rotator, supported by the shaft, having a working material and a utility material; a magnetic assembly, adjacent to the rotator, for generating a magnetic flux passing through the rotator in a flux direction, wherein the flux direction is substantially perpendicular to the axis direction.

Abstract: An electric generator includes a channel for directing a flow of a first fluid and a thermoacoustic resonance chamber that penetrates the channel, including a first heat exchanger inside the channel and a second heat exchanger outside the channel, wherein the thermoacoustic resonance chamber has a toroidal shape configured to enclose a second fluid adapted to create a resonance of and carry an acoustic pressure wave to transfer heat between the first heat exchanger and the second heat exchanger. The thermoacoustic resonance chamber includes a plurality of channels to provide a plurality of resonance cavities capable of supporting standing thermoacoustic waves around the toroidal shape. The plurality of channels are configured to partition the thermoacoustic resonance chamber into a plurality of tubular channels extending around the toroidal shape.

Abstract: A method, and a related material, for utilizing high performance solid rocket propellants, which are molding powders. A propellant molding powder are selected to have a design burning rate and a tailored compaction profile. A morphology of a center-port of a rocket is selected for the design burn rate and a spin-rate. The molding powder is compacted isostatically around a core through application of triaxial pressure therein forming a solid rocket propellant charge with the selected center-port shape. The solid rocket propellant charge is placed in a cartridge or a case. The cartridge is selected from various types of cartridges and specialty charges. The solid rocket propellant molding powders are highly filled with metallic fuels, and have a binder in the range of 4% to 18%, which at least partially coats the surface of the molding powder.

Abstract: The present invention relates to hydrogen production for the generation of energy. The invention describes methods, devices and assemblies involving hydrogen production including reacting hydrogen producing compounds, such as organothiol compounds, with a reactive metal substrate to produce hydrogen gas and utilizing the hydrogen gas to generate energy. The present invention further describes regenerating spent compound to a form suitable for hydrogen production by reacting the spent compound with hydrogen. Hydrogen storage and production, as described herein, is useful for producing hydrogen for energy production in hydrogen consuming devices, such as combustible engines and fuel cells, for example, as located on a hydrogen powered vehicle.

Abstract: 1-100 nm metal ferrite spinel coatings are provided on substrates, preferably by using an atomic layer deposition process. The coatings are able to store energy such as solar energy, and to release that stored energy, via a redox reaction. The coating is first thermally or chemically reduced. The reduced coating is then oxidized in a second step to release energy and/or hydrogen, carbon monoxide or other reduced species.

Abstract: A shim is provided for repairing damage in a surface of a mechanical piece at or near an outer edge of a bore in the surface. The damage may penetrate a given distance within the surface and the bore is in close proximity to an attachment hole. The shim has a body having a first side and a second side and a thickness therebetween that is equal to or greater than the depth of the damage penetrating the given distance and contiguous to the attachment opening, wherein the body fits within an area machined into an outer surface surrounding the bore.

Abstract: An object of the present invention is to provide a method of driving a micromachine and a drive mechanism whereby the required drive force can be obtained and that avoid excessive load to the machine, the mechanism not being of large size and not being troublesome in terms of energy supply. In a micromachine rotary drive mechanism according to the present invention, a micro-turbine is floated on the liquid surface of Fluorinert, silicone oil is attached onto faces respectively directed in the same direction of this micro-turbine, thereby drive force of the micro-turbine is obtained from the surface tension difference convection generated at the two-fluid interface.

Abstract: A heterodyne motor weight motor that uses at least a centripetal acceleration to selectively increase or decrease rotational speed or power. The heterodyne comprises a central rotary body and at least one orbital body revolving about said central rotary body. The orbital body additionally rotates about an orbital body axis, and carries at least one or preferably a plurality of rotating eccentric masses.

Abstract: A thermo-electro-acoustic engine comprises a sealed body having a regenerator, hot and cold heat exchangers, an acoustic source, and an acoustic energy converter. An acoustic pressure wave is generated in a gas in the region of the regenerator. The converter converts a portion of the acoustic pressure into electrical energy. A portion of the electrical energy is used to drive the acoustic source. The acoustic source is controllably driven to produce acoustic energy which constructively adds to that of the acoustic pressure wave in the region of the regenerator. The remaining electrical energy produced by the converter is used external to the engine, such as to drive a load or for storage. The resonant frequency of the engine and the frequency of the energy output can be controlled electronically or electromechanically, and is not limited solely by the physical structure of the engine body and its elements.

Abstract: A hydraulic power unit is disclosed that is selectively connectable to a hydraulic tool. The hydraulic power unit automatically detects the attached or detached state of the tool and/or operates an unloading valve during activation of the tool.

Abstract: The present disclosure details a thermoacoustic driven compressor having a pressurized housing, which contains within a thermoacoustic engine and a working gas, coupled to a positive displacement reciprocating compressor. The thermoacoustic driven compressor generates scalable compressed air from a given heat source.

Abstract: My embodiment drives magneto-caloric material in nanopowder form with pressurized ethane, in a closed loop. Heat from the ethane is used to drive the closed loop and to drive a turbine in the loop that produces work external to the system through external coupling. The heat lost from the ethane is replaced by external heat through a heat exchanger that is part of the closed loop.

Abstract: The different illustrative embodiments provide a method for processing biological material. Biological material is monitored for in a field. The biological material is retrieved from the field to form retrieved biological material in response to detecting the biological material in the field. A conversion system converts the retrieved biological material into energy. A portion of the energy is directed to a remote location. The conversion system moves in the field during at least one of the monitoring, the retrieving, and the converting.

Abstract: A composite magnetic ring has a plurality of permanent magnets arranged in a ring shape at a prescribed spacing, and low-temperature Curie point magnetic substances sandwiched between each adjacent permanent magnets. An energy converter, that converts exhaust heat energy or sunlight heat energy to mechanical or electrical energy by alteration of the magnetic permeability of low-temperature Curie point magnetic substances in the composite magnetic ring near their Curie point, includes a composite magnetic ring and a rotor situated inside the composite magnetic ring and having a plurality of magnetic poles, at least one of the low-temperature Curie point magnetic substances in the composite magnetic ring being heated to a temperature near its Curie point and a magnetic field being generated in the vicinity of the heated low-temperature Curie point magnetic substance, to rotate the rotor.

Abstract: Propulsion systems and methods utilize one or more propellant masses in the form of smart propellant devices to move a spacecraft or other object through outer space and/or substantially airless environments. A spacecraft maneuver, for example, is facilitated by forces imparted on the spacecraft resulting from the ejection of one or more smart propellant devices from the spacecraft and/or the recapture of one or more of the propellant masses at the spacecraft. The smart propellant devices are each programmed to return to the spacecraft along a particular trajectory and to impact the spacecraft at a particular time and place. The spacecraft is provided with ejection devices and recovery devices that eject and recover, respectively, the one or more smart propellant devices. The recovery devices can also be configured to capture kinetic energy from incoming smart propellant devices.

Abstract: Among other things, renewable energy is extracted from an asymmetric system (or the ability of the system to have renewable energy extracted from it is enhanced, or both) that is characterized by one or more stochastic variables, which exhibit at least one statistical component that is not Gaussian and/or not white.

Abstract: A man-made island adaptable for land-based operation holds solar energy collection facilities and is rotatable to optimize the angular orientation thereof relative to the position of the sun. A platform includes a large outer ring that floats on a fluid and a flexible cover is attached to the ring to define an airtight volume below the cover. A plurality of rows of solar radiation collector modules are located above the cover and carry steam generating heat pipes. The rows of modules are supported laterally above the cover by an upper support structure, either a space frame, a plurality of cables, or a honeycomb. A compressor creates an over-pressure within the enclosed volume to vertically support the cover and the other components mounted thereabove.

Abstract: A system and method for energy use is provided that includes a sustainability campus of co-located facilities, with associated facilities such as an energy development center, a source, and a processing or collection facility. The sustainability campus incorporates design principles and processes to decrease environmental impact per unit energy usage, increase waste reuse within the sustainability campus, and increase the receipt of financial credits.

Abstract: Compositions are disclosed for storing and releasing hydrogen and methods for preparing and using same. These hydrogen storage and releasing materials exhibit fast release rates at low release temperatures without unwanted side reactions, thus preserving desired levels of purity and enabling applications in combustion and fuel cell applications.

Abstract: A hydraulic seal for a tip turbine engine includes an inner radial flange and an outer radial flange. The inner radial flange rotates relative to the outer radial seal section and the planet carrier face to prevent lubrication from entering into the air flow streams within the engine without additional engine assembly procedures.

Abstract: This invention relates generally to energy and more particularly to a method, hitherto unknown, to create kinetic energy of a body of mass. It is excessively well know in classical physics that energy can not be created or destroyed. The word create as used herein shall mean to make present about the surface of the earth energy which was previously was not present. The source of the kinetic energy shall be due to a combination of earth's gravity effects acting through a displacement. The new use and method for creating kinetic energy shall be by situating an EPICYCLOID ROLLING RESISTANCE ABATEMENT MEANS (U.S. Pat. No. 4,878,525) on an inclined surface on or about the earth's surface. Epicycloid rolling resistance abatement means art provides means of rolling resistance abatement for vehicle wheels by means of sequaciously storing and releasing energy by way of compression springs attached in a recessed manner to the periphery of a vehicle wheel.

Abstract: The sun imparts 174 petawatt per second on the earth, and a large portion of this energy is absorbed by the earth's atmosphere in the form of translational energy for the gaseous molecules, i.e. continuous random motion in the average speed range of 500 meters per second on earth's surface. This invention utilizes a partition with large number of through-holes which all have the characteristic of providing greater cross section for gas molecules to transit from one side to the other than the reverse, thus creating a higher statistical probability for the molecules to move from one side of the partition to the other side.

Abstract: Propelling device by way of matter particles acceleration, including device for accelerating the particles of matter, mainly in only one direction. The aforementioned device includes an energy source and an enclosure containing the matter particles to be accelerated, the enclosure being powered from the the energy source.

Abstract: An apparatus for recovery power from an FCC product is described. Gaseous hydrocarbon product from an FCC reactor is heat exchanged with a heat exchange media which is delivered to an expander to generate power. Cycle oil from product fractionation may be added to the gaseous FCC product to wash away coke precursors.

Abstract: The invention relates to a device for conversion of energy, to a module for storage of energy, and to a method for conversion and storage of energy, in which provision is made that at least one module, which is designed to store mechanical energy, is held in a number of holding stations of at least one device which is designed for conversion of energy, such that the least one module, which is held in one of the holding stations, is connected simultaneously via a transmission of the at least one device to a first energy converter and to a second energy converter, such that it is possible simultaneously to transfer energy from the first energy converter to the at least one module and to transfer energy from the at least one module to the second energy converter.

Abstract: A motor mounted on a structural support with a pivot at its center line which comprises a cylindrical vessel for holding a fluid in a closed system and in which a buoyant cylinder containing a lighter fluid is allowed to free float so that a cable attached to either end of the buoyant cylinder may be used to transfer energy to a energy storage unit, a crank or a generator. Two moment arms having a weight attached at the exterior end and inside attachably connected to the surface of two drive pistons that operate in pressure tanks which force a compressed gas against the pistons through pre-sequenced automatic activated valves to extend or retract the moment arms at the end of a cycle. The motor then becomes top heavy and rotates 180 degrees by gravity and relocks in place to repeat the cycle.

Abstract: Jet propulsion of the flywheel is accomplished by introducing a fluid (synthetic lubricant) into the hollow shaft at the center of the flywheel. Centrifugal force carries the fluid through holes to the rim. Thus enhanced, it is now forced through a nozzle. Fluid jets opposite and tangential to the rotation of the flywheel sustain or increase the rotational speed of the flywheel. Jetted fluid is collected and re-circulated through the flywheel. This is a continuous self-perpetuating process, requiring no fossil fuel and involves no release to the environment. It can provide power on the moon, planets, or anywhere there is gravity.

Abstract: A pyrodielectrophoretic heat engine and energy conversion method exploiting the pyrodielectrophoretic effect for effectively and efficiently converting thermal energy into work or other useful forms at any physical size or scale.

Abstract: The Gravity Wheel is a system/cycle of weights that either accept or deny the force of gravity relevant to their position on the wheel itself. The forward motion of the wheel simultaneously is produced by the gravity while it dictates the constant production of energy due to the nature of the motion utilizing the concept of a shifting fulcrum.

Abstract: A system includes at least one body, a link for suspending the body for movement with gravity from a first elevation position to a second elevation position, and an electrical energy generator coupled with the body through the link to drive the generator to generate electricity upon movement of the body with gravity from the first to the second elevation position. The at least one body has a mass of at least approximately 100 tonnes; the first and the second elevation positions define a distance therebetween of at least approximately 200 meters; and/or the system further includes an operator configured to operate the link to controllably move the at least one body against gravity from the second to the first elevation position to increase a gravitational potential energy of the at least one body, and to maintain the gravitational potential energy of the at least one body.

Abstract: The present disclosure relates to an apparatus and associated methods for generating energy by capturing and taking benefit of the energy generated by any quantity of air surfacing inside water. The apparatus includes a frame structure to which is rotatably mounted an upper drive wheel, a lower wheel, and a vertical fluid column container. An endless chain of gas capsule elements is mounted on the upper and lower wheels. This endless chain passes vertically up into and through the fluid column container through a seal port in the bottom of the container. As the endless chain of gas capsule elements passes vertically through the fluid in the container, fluid pressure on the elements due to the height of the column of fluid in the container produces a net buoyant force upward on the elements, causing them to rise, generating kinetic energy that turns the wheels.

Abstract: Vapor turbine operating with geothermal vapors containing corrosive agents such as chlorides and/or sulfides in particular. The turbine comprises a series of rotor blades made of a nickel alloy containing a quantity of nickel ranging from 55% to 59% by weight to avoid the washing of the geothermal vapors, maintaining a high useful life of the series of rotor blades and vapor turbine.

Abstract: There is provided a hydrogen production apparatus having a simple structure for efficiently producing hydrogen. The hydrogen production apparatus 10 comprises a reactor 12 for reacting silicon (which may be waste silicon) and an aqueous basic hydroxide solution, a hydrogen absorbing alloy 20 for storing hydrogen produced by the reaction, and a reservoir/filter 14 which retains a solid or liquid product generated in the reactor 12 and filters a solution or suspension containing the solid or liquid product so as to separate the product from water.

Abstract: A dielectrophoretic heat engine with temperature-dependent dielectric matter and energy conversion method exploiting the thermodielectrophoretic effect for effectively and efficiently converting thermal energy into work or other useful forms at any physical size or scale.

Abstract: A toileting chair has a flexible seat support and a removable seat. The removable seat is positioned on a seat support platform. At least one of the seat support platform and the flexible seat support is vertically movable with respect to the others so as to permit the insertion and removal of the seat. The flexible seat support is independent of the drive means so as to provide a comfortable suspended support on which a person may be seated during the reconfiguration of the chair.

Abstract: The Planetary Improvement Motor uses new thermodynamic ideas that redefine heat pumps and engines with an immaculate engine and pump design that can replace nearly all engines and pumps with one basic, simple design. The Planetary Improvement Motor can save the planet if you let it. WOW! YOU MUST BE LIKE A PHYSICIST OR SOMETHING TO COME UP WITH SUCH A GREAT IDEA? Actually, “No, I have never been interested in medicine. I am an artist, this is my art.

Abstract: A method for producing oxygen and absorbing carbon dioxide in a single operation using a solution that contains an oxygen source and a redox partner that can react to form oxygen and a chemical species that can form an insoluble carbonate to precipitate and chemically store carbon dioxide. Carbon dioxide is introduced into the solution and the carbonate precipitates as the oxygen is generated. In particular, the invention uses an aqueous solution of permanganate and hydrogen peroxide that react in the presence of a catalyst to produce oxygen and manganese (II) ions. Carbon dioxide gas introduced into the solution reacts with the manganese (II) ions to precipitate manganese carbonate. Other cations capable of reacting with carbon dioxide to form an insoluble carbonate, for example calcium, barium and magnesium, may also be added to the solution to precipitate carbonate salts. Calcium permanganate may used as a source of both calcium and permanganate.

Abstract: Methods and apparatus for the integration of a water splitting process with the production of fertilizer precursors such as ammonia, nitric acid, and sulfuric acid are provided. At least one of heat and electricity from a power plant are used to split water into hydrogen gas and oxygen gas. Nitrogen gas is provided by air separation. The hydrogen gas and nitrogen gas are used to produce ammonia. The ammonia and oxygen gas are used to produce nitric acid. The oxygen gas, water, and sulfur are used to produce sulfuric acid. Further disclosed is an apparatus for the production of nitric acid comprising a power plant and an apparatus for the production of nitric acid. Also disclosed is an apparatus for the production of sulfuric acid comprising a power plant and an apparatus for the production of sulfuric acid.