[특허]Integral gas turbine, flywheel, generator, and method for hybrid operation thereof

Schlak, Daniel K.

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Integral gas turbine, flywheel, generator, and method for hybrid operation thereof

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/00 F01D-015/02 F01D-015/10 F02C-005/02 F02C-006/16 F02C-007/36 F02C-007/08
출원번호	US-0506962 (2012-05-29)
등록번호	US-9540998 (2017-01-10)
발명자 / 주소	Schlak, Daniel Keith
출원인 / 주소	Schlak, Daniel K.
인용정보	피인용 횟수 : 4 인용 특허 : 59

초록
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A power plant incorporating attributes of a gas turbine engine, flywheel, and electrical generator (hereafter turbine/flywheel or TF) in a single compact unit, having a compressor arrayed with magnets which weight the periphery of the TF. Intermittent combustion periods accelerate the TF to a first rotational velocity, then combustion ceases, and the inlet/outlet of the TF are sealed, causing it to self-evacuate. Conductive coils surround the TF. Magnetic flux between the magnets and coils acts as a motor/generator, electrically powering a load, and absorbing electrical power therefrom via regenerative braking; power out decelerating the TF (now a flywheel), power in accelerating it. A pressure accumulator accepts the TF exhaust, and is pressurized by the combustion periods. Between combustion periods, exhaust in the accumulator expands in a small pump/motor that drives a generator, routing electricity to the TF to raise its rotational velocity.

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1. A method for operating a land vehicle or airplane vehicle, said land vehicle or airplane vehicle comprising a prime mover, an accumulation device, an expansion device, an electrical system, and having a vehicle velocity, the method comprising: directing gases from the prime mover to the accumulation device while combusting a fuel;directing said gases or part of said gases from said accumulation device to said expansion device;directing electrical energy from said expansion device to said prime mover;wherein said prime mover has associated therewith a rate of rotation of an element of said prime mover and wherein said rate of rotation of said element of said prime mover increases while not combusting fuel due to said directing of electrical energy, andwherein said rate of rotation of said element of said prime mover is further increased by said electrical system in response to a decrease in said vehicle velocity by regeneratively capturing a braking energy created by said decrease in said vehicle velocity. 2. The method of claim 1 further comprising: mechanically coupling said prime mover to a shafted or geared system that operates in parallel with, alternatively to, or complementary to said expansion device. 3. The method of claim 1 wherein: said prime mover communicates with a load and said communicating with said load can be accomplished selectively and birectionally, wherein bidirectionally comprises sending electricity in two opposite directions between said prime mover and said load. 4. The method of claim 1 wherein: said directing of electrical energy is accomplished along a bus in electrical communication with at least one rotor of said prime mover and a motor/generator coupled to at least one of said expansion device and a load. 5. The method of claim 1 further comprising: reducing a pressure within an internal area of the prime mover to less than 1 atmosphere. 6. The method of claim 1 wherein said prime mover comprises: a gas inlet;a gas outlet;at least one gas compression stage or turbine stage;a flow path leading from said inlet to said outlet through said at least one compression stage or turbine stage;wherein at least one of said at least one compression stage and said at least one turbine stage comprises:a plurality of vanes;a plurality of circumferentially spaced magnetic or electromagnetic elements. 7. The method of claim 1 further wherein: said rate of rotation of said element of said prime mover is decreased by said electrical system in response to an increase in said vehicle velocity. 8. The method of claim 1 further comprising: commencing combustion, ceasing combustion, and operating in a flywheeling mode said prime mover during a rotational acceleration sequence that accelerates the prime mover to a flywheeling rate of rotation about an axis while a pressure within said prime mover decreases to an evacuated level. 9. A method of operating an engine within or on a powered device, the engine having a combustion mode and a non-combustion mode, the engine further having at least one moving part, the method comprising: a first step of beginning said combustion mode of the engine thereby giving a rotational velocity to said moving part of said engine, wherein said first rotational velocity is greater than zero;upon reaching, as a result of said first step, a first rotational velocity, wherein said first rotational velocity is greater than zero, a second step of reducing a pressure within an internal area of said engine to a pressure state that is less than 1 atmosphere and creating a hermetic seal between an internal area of said engine and an area external to said engine;a third step subsequent to said second step, said third step comprising electrically or magnetically increasing said rotational velocity, to a second rotational velocity higher than said first rotational velocity, wherein during said third step said pressure within said internal area of said engine remains at less than 1 atmosphere and said hermetic seal created during said second step is maintained through at least part of a duration of said third step. 10. The method of claim 9 further comprising: regeneratively using deceleration of an element of said powered device to effect said increasing said rotational velocity during said non combustion mode. 11. The method of claim 9 further comprising: decreasing said rotational velocity to accelerate an element of said powered device during said non-combustion mode. 12. The method of claim 9 wherein: said increasing of said rotational velocity during said third step is accomplished via an electrical, magnetic, or electromagnetic element, structure, system, or configuration. 13. The method of claim 9 wherein said rotational velocity is the rotational velocity of at least one compression stage or at least one turbine stage: the method further comprising increasing or decreasing said rotational velocity by electrically influencing magnets circumferentially spaced on the engine or within said compression stage or said turbine stage. 14. The method of claim 9 further comprising: passing gases through an everted flow path comprising at least one compression stage and at least one turbine stage, said at least one compression stage disposed coaxially and radially inwardly of said at least one turbine stage, or said at least one turbine stage disposed coaxially and radially inwardly of said at least one compression stage. 15. The method of claim 9 further wherein said engine comprises: an air inlet and an exhaust outlet;at least one gas compression stage or turbine stage;a flow path leading from said inlet to said outlet through said at least one gas compression stage or turbine stage;wherein at least one of said at least one gas compression stage and said at least one turbine stage comprises:a plurality of vanes and a plurality of circumferentially spaced magnetic or electromagnetic elements;wherein said engine communicates with a driven mechanical load in receipt of a force transmitted from at least one of said plurality of circumferentially spaced magnetic elements or electromagnetic elements. 16. The method of claim 9 further comprising: coupling said engine to an auxiliary device andcausing combustion to directly drive said auxiliary device. 17. The method of claim 9 further comprising: uncoupling said engine from an auxiliary device and subsequently repeating at least once said step of reducing the pressure within the internal area of said engine to the pressure state that is less than 1 atmosphere. 18. The method of claim 17 wherein: said powered device is a wheeled vehicle, an agricultural or construction vehicle, an aircraft, a watercraft, a hovercraft, or a submersible and said auxiliary device comprises an implement, the method further comprising directly driving said implement during a secondary combustion mode. 19. The method of claim 18 wherein said implement comprises at least one of the following: an axle with wheels;a power takeoff shaft;a hydraulic pump;a fluid impeller;an electrical generator;supplemental traction-wheel drive elements, structure, system, or configuration;reduction and/or overdrive gearing;a flight propeller; anddrive wheels, wherein said drive wheels are also driven electrically by an associated device. 20. The method of claim 9 wherein: said powered device contains an auxiliary device and said method comprises coupling said engine to directly drive said auxiliary device, wherein said engine comprises multiple rotors, each of said multiple rotors having a rotor speed, and wherein said auxiliary device has an idle or zero speed, wherein said coupling is accomplished by transferring rotational energy away from a first rotor toward a second rotor until a rotor speed of said first rotor is near or matched with said idle or zero speed of said auxiliary device, whereupon said auxiliary device is positively locked for rotation with said first rotor. 21. An engine of a machine, said engine comprising: at least one compression stage;at least one turbine stage;a combustor;an electrical, magnetic, or electromagnetic output drive connected to a physical load within or on said machine, wherein said engine is also within or on said machine and wherein said engine is spatially separate from and different from said physical load;a pump in fluid communication with said at least one compression stage and said at least one turbine stage via said combustor for evacuating said at least one compression stage and said at least one turbine stage through said combustor;electrical, magnetic, or electromagnetic means for accelerating said at least one of said at least one compression stage and said at least one turbine stage;wherein said electrical, magnetic, or electromagnetic means for accelerating said at least one of said at least one compression stage and said at least one turbine stage is spatially separate from and different from said electrical, magnetic, or electromagnetic output drive. 22. An engine according to claim 21 further comprising: an inlet and an outlet and a flow path leading from said inlet to said outlet through said at least one compression stage and said at least one turbine stage;wherein at least one of said at least one compression stage and said at least one turbine stage comprises:a plurality of vanes;a plurality of circumferentially spaced magnetic or electromagnetic elements within or on the at least one gas compression stage or said at least one turbine stage;wherein said engine communicates with said physical load via a force-transmitted from at least one of said plurality of circumferentially spaced magnetic or electromagnetic elements. 23. The engine according to claim 21 further comprising: a passage for conducting exhaust gases from said engine to an accumulation device while said engine is combusting a fuel, wherein said combusting produces said exhaust gases, wherein an expansion device receives said exhaust gases from said accumulation device; andapparatus for directing energy from the expansion device to said engine;wherein said engine has associated therewith a rotational velocity of an element of said engine and said rotational velocity of an element of said engine increases while not combusting said fuel due to said directing. 24. An engine comprising: a gas inlet;a gas outlet;at least one gas compression stage;at least one turbine stage;a flow path leading from said gas inlet to said gas outlet through said at least one gas compression stage or said at least one turbine stage;wherein at least one of said at least one gas compression stage and said at least one turbine stage comprises:a plurality of vanes that affect gaseous flow through the engine; anda plurality of circumferentially spaced magnetic or electromagnetic elements within or on the at least one gas compression stage or said at least one turbine stage and an electrical control to selectively drive said at least one gas compression stage or said at least one turbine stage using the plurality of circumferentially spaced magnetic or electromagnetic elements;wherein said engine communicates electrically with a driven mechanical load in receipt of an electrical force transmitted from at least one of said plurality of circumferentially spaced magnetic elements or electromagnetic elements;wherein said driven mechanical load includes a system for converting said electrical force and at least one of a traction wheel and a tire and a regenerative brake; anda pump in fluid communication with said at least one compression stage and said at least one turbine stage via said combustor for evacuating said at least one compression stage and said at least one turbine stage through said combustor. 25. The engine according to claim 24 wherein: said flow path is everted, resulting in said at least one compressor stage being disposed coaxially and radially inwardly of said at least one turbine stage, or said at least one turbine stage disposed being coaxially and radially inwardly of said at least one compressor stage. 26. The engine according to claim 24 further comprising: an accumulation device for accepting exhaust from the at least one compression stage or said at least one turbine stage and delivering it to a device or said engine. 27. The engine according to claim 24 further comprising: an expander distinct from said engine for converting enthalpic energy from exhaust that has passed through said gas outlet. 28. The engine according to claim 24 further comprising: apparatus for directing gases from the gas outlet to an accumulation device;apparatus for directing gases from said accumulation device to an expansion device;apparatus for directing energy from said expansion device to said engine; andwherein said engine has associated therewith a rate of rotation of an element of said engine and said rate of rotation of an element of said engine increases while not combusting fuel due to said directing. 29. The engine according to claim 24 wherein: said plurality of circumferentially spaced magnetic or electromagnetic elements generate a first torque; andwherein said engine propulsively drives a wheeled vehicle, a tracked vehicle, an aircraft, a watercraft, or a submersible,wherein said wheeled vehicle, tracked vehicle, aircraft, watercraft, or submersible has an implement that receives a higher torque than said first torque. 30. The engine according to claim 29 wherein the implement comprises at least one of the following: a power takeoff shaft;a hydraulic pump;a fluid impeller;an electrical generator;supplemental traction-wheel drive elements;a pulling device;reduction gearing;a flight propeller; anddrive wheels, wherein the drive wheels are also driven electrically. 31. The engine according to claim 24 wherein: said gas inlet is adjacent to and concentric with said gas outlet. 32. The engine according to claim 24 wherein: one of said gas inlet and said gas outlet communicates with a centrifugal compressor that is adjacent to, integral with, or affixed to a centrifugal turbine, wherein said centrifugal compressor is concentric with said centrifugal turbine. 33. The engine according to claim 24 wherein: said engine comprises seals and lands wherein said seals are normally biased away from said lands, but wherein said seals contact the lands when one or both of said at least one gas compression stage or turbine stage creates a pressure differential across said seals. 34. The engine according to claim 24 wherein: the engine has a first rotor rotatable relative to a second rotor;wherein only one of said first rotor and said second rotor has a mechanical output. 35. The engine according to claim 24 wherein: the engine has a first rotor rotatable relative to a second rotor;wherein said first rotor rotates in a first direction around an axis and said second rotor rotates in a second direction around said axis, wherein said second direction is opposite to said first direction.

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Integral gas turbine, flywheel, generator, and method for hybrid operation thereof

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Integral gas turbine, flywheel, generator, and method for hybrid operation thereof

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