WO2023194655A1 - Device for generating electricity with linear movement - Google Patents
Device for generating electricity with linear movement Download PDFInfo
- Publication number
- WO2023194655A1 WO2023194655A1 PCT/FI2023/050178 FI2023050178W WO2023194655A1 WO 2023194655 A1 WO2023194655 A1 WO 2023194655A1 FI 2023050178 W FI2023050178 W FI 2023050178W WO 2023194655 A1 WO2023194655 A1 WO 2023194655A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coil rod
- support structure
- combustion chamber
- water
- coil
- Prior art date
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 229910001868 water Inorganic materials 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 description 12
- 238000004880 explosion Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/041—Linear electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/043—Electric generators using oscillating movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B71/00—Free-piston engines; Engines without rotary main shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
- H02K7/1884—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts structurally associated with free piston engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K99/00—Subject matter not provided for in other groups of this subclass
- H02K99/10—Generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
- F02B2043/106—Hydrogen obtained by electrolysis
Definitions
- the present invention relates to generation of electricity with linear movement with a device comprising both an engine for providing the linear movement and a generator for transferring the linear movement to electricity.
- linear generators generally comprise a pistontype part movable linearly in a back-and-forth movement in a casing, wherein the piston-type part is equipped with magnets to induce electric current in stationary coils located in the casing.
- a publication US 6,199,519 B for example.
- the present invention provides a device for generating electrical energy and heat energy environmentally friendly way, which device have substantially small size and simple structure as well as high efficiency.
- the device of the invention for generating electricity comprises an elongated coil rod movable in linear back-and forth movement and equipped with a coil, combustion chambers located at both longitudinal ends of the device for moving the coil rod, and permanent magnets with support structure in relation to which magnets the coil rod moves, wherein the magnets are located and supported with the support structure inside the coil rod, and that the coil rod is connected to and separated from the combustion chambers with diaphragms from both longitudinal ends of the coil rod.
- the diaphragms used in the present invention are preferably made from suitable metal or heat resistant composite material, which material allow the diaphragms to flex and move the coil rod.
- the device comprises additional permanent magnets located around the coil rod. These additional magnets strengthen and increases the effectiveness of the magnet fields.
- combustion chambers are configured to burn gas mixture of hydrogen, oxygen and water. This embodiment allows for environmentally friendly combustion process without polluting combustion gasses.
- the support structure of the permanent magnets located inside the coil rod extend through the wall of the coil rod at the longitudinal center portion of the coil rod, and that the support structure is equipped with internal air channels allowing air to circulate inside the support structure and out from the support structure.
- the air channels inside the support structure allows air circulation inside the coil rod and thus allows cooling of the of the coil rod during operation of the device.
- This embodiment allows utilization and use of the heat generated during operation of the device of the invention for different purposes, since the generated heat can be lead outside the device via the air channels.
- the air channels can also be equipped with suitable air valves to control the flow of air inside the device and out from the device.
- the device of the invention is preferably equipped with a heat exchanger for cooling the air circulated inside the device and for collecting heat energy from the circulated air.
- the device comprises at least one pressurized tank for providing the gas mixture of hydrogen and water to the combustion chamber, which tank is partially filled with water, to which tank hydrogen gas is fed via the water layer inside the tank, and which tank is equipped with ultrasonic atomizer for providing water mist for the gas mixture fed to the combustion chamber.
- the ultrasonic atomizer is preferably located under the water surface inside the tank.
- the combustion chamber is equipped with conduit for removing water from the combustion chamber.
- the water collected from the combustion chamber is preferably conveyed back to the pressurized tank of the previous embodiment.
- the device comprises fuel injection siphon nozzles connected to the combustion chamber(s), which nozzles are configured to spray the fuel on the diaphragms. This way the diaphragms can be cooled during the operation of the device.
- the combustion chambers are equipped with cooling systems.
- This embodiment allows the temperature of the combustion chambers to be kept suitable for condensing of water vapor inside the combustion chambers, which enhances cooling of the diaphragms.
- the cooling systems may be implemented with cooling channels inside the walls of the combustion chambers, wherein suitable cooling medium is circulated.
- the device of the invention may comprise a liquid cooling system for cooling and collecting heat energy from all heat generating parts of the device.
- the combustion chambers comprise an exhaust valve, which allows combustion fumes and gasses to exit from the combustion chamber. This embodiment allows for the multifuel configuration of the device of the invention.
- Figure 1 shows schematically an embodiment of a support structure for permanent magnets of a device of the invention
- Figure 2 shows schematically an embodiment of a coil rod of a device of the invention
- Figure 3 shows schematically an embodiment of an additional magnet arrangement of a device of the invention
- Figure 4 shows schematically an assembly of the parts shown in figures 1 -3.
- Figure 5 shows schematically an embodiment of a combustion system of a device of the invention.
- Figure 1 shows schematically an embodiment of a support structure 1 for permanent magnets 2, 2’ of a device of the invention.
- the support structure 1 comprises horizontally extending section 3, and a vertically extending section 4.
- the horizontally extending section 3 extends in the direction in which the coil rod of the device moves in its linear back-and-forth movement, and the vertically extending section 4 extends in a direction perpendicular to the said horizontal direction.
- the magnets 2, 2’ are connected to the longitudinal ends of the section 3 with tubes 5, 5’.
- the tubes 5, 5’ provide horizontal air channels 6, 6’ extending inside the support structure 1 , which connects into a vertical air channel 7 provided inside the section 4.
- These air channels 6, 6’, 7 allow air to circulate inside the coil rod and the support structure 1 , and out from there, when the coil rod moves in relation to the support structure.
- the air channels 6, 6’, 7 can also be equipped with suitable valves to control the airflow through the air channels.
- piezo sensors 8 which are used controlling the movement of the coil rod of the device so, that it does not collide with the support structure.
- the support structure 1 and its parts are preferably made from aluminum. Alternatively, other non-magnetic materials and composites, such as titanium and ceramics for example, may be used for the support structure 1 .
- Figure 2 shows schematically an embodiment of a coil rod 10 of a device of the invention.
- the coil rod 10 comprises a hollow elongate frame 11 , which is preferably made from non-magnetic lightweight material and/or composites, such as carbon reinforced polymers, aluminum, titanium, and/or ceramics for example.
- a hollow elongate frame 11 On the outer surface of the frame 11 , at the longitudinal end portions of the frame, are arranged coils 12, 12’.
- the coils 12, 12’ are separated from each other by the center portion of the frame 11 .
- elongate openings 13, 13’ for the support structure 1 of the device (shown in figure 1 ). From these openings 13, 13’ the vertical sections 4 of the support structure 1 shown in figure 1 extends through the wall of the coil rod 10, and the elongate form of the openings 13, 13’ allow the linear movement of the coil rod in relation to the support structure 1.
- ring parts 14, 14’ which ring parts are equipped with through holes 15 allowing air to flow in and out of the interior of the coil rod.
- the coil rod 10 is connected at both of its ends to diaphragms (not shown) which diaphragms have a greater diameter than the coil rod.
- Figure 3 shows schematically an embodiment of an additional magnet arrangement 20 of a device of the invention.
- the additional magnet arrangement comprises a permanent magnet 21 , which is fitted inside a support part 22.
- the support part 22 comprises flanges 23 for improving cooling of the additional magnet arrangement 21 .
- the support part 22 can also be provided with a liquid cooling system.
- Figure 4 shows schematically an assembly of the parts of the device of the invention shown in figures 1 -3, and discussed above.
- the assembly shown in figure 4 forms the generator assembly of the device of the invention.
- the support structure 1 and its magnets are located inside the coil rod 10, apart from the end portions of the vertically extending sections 4, via which the support structure can be fixed to the frame (not shown) of the device.
- the additional magnet arrangements 20 are located around the longitudinal end areas of the coil rod 10, substantially over the areas of the coils 12, 12’.
- Electricity is conducted from the coils 12, 12’ of the coil rod 10 with vibration resistant wires (not shown), for example.
- Figure 5 shows schematically an embodiment of a combustion system 30 of a device of the invention.
- the combustion system 30 comprises combustion chamber 31 , which is partially enclosed with diaphragm 32.
- the diaphragm 32 is preferably circular in shape, similarly than the coil rod, the end of which is connected to the diaphragm on the opposite side in relation to the combustion chamber 31.
- the diaphragm 32 have substantially larger diameter than the end of the coil rod, so that the area of the diaphragm located outside the area of the coil rod allows flexing of the diaphragm so that the coil rod can be moved linearly between the combustion chambers of the device.
- diaphragm 32 can also be used for the diaphragm 32, as well as for the cross-sectional shapes of the other related parts of the device, such as rectangular shapes.
- Combustion gas mixture is fed from a pressurized tank 33 via conduit 34 to the combustion chamber 31.
- the feeding of the combustion gas mixture into the combustion chamber 31 is controlled and timed with a valve 35.
- the conduit 43 can be equipped with a fuel injection siphon nozzle, which sprays the combustion gas mixture inside the combustion chamber 31 .
- the spraying direction is preferably directed towards the diaphragm 32, so that the water in the combustion gas mixture cools the diaphragm.
- the walls of the combustion chamber 31 are also preferably equipped with suitable cooling system for cooling the walls.
- the temperature of the combustion chamber is kept at temperature below 100 °C, more preferably the temperature is kept between 60 and 70 °C.
- the temperature of the combustion chamber is most preferably defined such that it is close and below to the condensation temperature of the water vapor in the combustion gas mix.
- the pressurized tank 33 Into the pressurized tank 33 is fed hydrogen and oxygen gas from a suitable source via conduit 36, which feeding can be controlled with valve 37.
- the hydrogen gas mixture fed to the pressurized tank 33 comprises the oxygen required for burning the created gas mixture inside the combustion chamber 31 .
- Suitable hydrogen gas mixture is 66% hydrogen and 33% oxygen, for example, which provides stoichiometric burning of the hydrogen gas mixture.
- the lower portion of the pressurized tank 33 is filled with water 39, through which the hydrogen gas is fed to the pressurized tank with the conduit 36.
- an ultrasonic atomizer 38 Inside the pressurized tank 33, in the area covered by water 39, is located an ultrasonic atomizer 38.
- the ultrasonic atomizer 38 forms very fine water mist in the hydrogen gas inside the pressurized tank, thus creating the combustion gas mixture of hydrogen, oxygen and water.
- the combustion gas mixture fed inside the combustion chamber 31 is ignited with an igniter 40, which causes explosion inside the combustion chamber and the flexing of the diaphragm 32 outward.
- an igniter 40 which causes explosion inside the combustion chamber and the flexing of the diaphragm 32 outward.
- fresh combustion gas mixture is fed inside the combustion chamber 31.
- combustion gas mixture is ignited in the opposite combustion chamber of the device.
- the explosion in the opposite combustion chamber pushes the diaphragm 32 back towards the combustion chamber 31 , which inward movement of the diaphragm simultaneously compresses the combustion gas mixture inside the combustion chamber.
- the combustion gas mixture is ignited again. This process is repeated at different stages in the opposite combustion chambers during the operation of the device.
- the linear movement of the coil rod in the device of the invention is preferably 1 -1 ,5 cm, and 2 cm at maximum, which movement corresponds to the flexing of the diaphragm 32. With this magnitude of linear movement of the coil rod the electrical power obtained from the device of the invention is about 5 kW.
- the present invention is not restricted to these dimensions and values in any way.
- the conduit is equipped with a valve 42.
- the water level inside the collection area 43 and/or conduit 41 is set to correspond the water level inside the pressurized tank 33, whereby the valve 42 does not need to be closed during explosion inside the combustion chamber, since the mass of the water sufficiently resists the force of the explosion inside the combustion chamber.
- the pressurized tank 33 is preferably also equipped with a suitable safety valve 44.
- the pressurized tank 33 can also be provided with a liquid cooling system.
- the device of the invention is also preferably equipped with a suitable control system and software to control and monitor the operation of the device.
- a suitable control system and software to control and monitor the operation of the device.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Device for generating electricity, which device comprises an elongate coil rod (10) movable in linear back-and forth movement and equipped with a coil (12, 12'), combustion chambers (31) for moving the coil rod, and permanent magnets (2, 2') with support structure (1) in relation to which the coil rod moves, wherein the magnets (2, 2') are located and supported with the support structure (1) inside the coil rod (10), and that the coil rod is connected to and separated from the combustion chambers (31) with diaphragms (32) from both longitudinal ends of the coil rod.
Description
DEVICE FOR GENERATING ELECTRICITY WITH LINEAR MOVEMENT
The present invention relates to generation of electricity with linear movement with a device comprising both an engine for providing the linear movement and a generator for transferring the linear movement to electricity.
Different kinds of linear generators are known. These generally comprise a pistontype part movable linearly in a back-and-forth movement in a casing, wherein the piston-type part is equipped with magnets to induce electric current in stationary coils located in the casing. One this kind of solution is disclosed in a publication US 6,199,519 B, for example.
The present invention provides a device for generating electrical energy and heat energy environmentally friendly way, which device have substantially small size and simple structure as well as high efficiency.
The device of the invention for generating electricity comprises an elongated coil rod movable in linear back-and forth movement and equipped with a coil, combustion chambers located at both longitudinal ends of the device for moving the coil rod, and permanent magnets with support structure in relation to which magnets the coil rod moves, wherein the magnets are located and supported with the support structure inside the coil rod, and that the coil rod is connected to and separated from the combustion chambers with diaphragms from both longitudinal ends of the coil rod.
The diaphragms used in the present invention are preferably made from suitable metal or heat resistant composite material, which material allow the diaphragms to flex and move the coil rod.
In an embodiment of the device of the invention the device comprises additional permanent magnets located around the coil rod. These additional magnets strengthen and increases the effectiveness of the magnet fields.
In an embodiment of the device of the invention the combustion chambers are configured to burn gas mixture of hydrogen, oxygen and water. This embodiment allows for environmentally friendly combustion process without polluting combustion gasses.
In an embodiment of the device of the invention the support structure of the permanent magnets located inside the coil rod extend through the wall of the coil rod at the longitudinal center portion of the coil rod, and that the support structure is
equipped with internal air channels allowing air to circulate inside the support structure and out from the support structure. The air channels inside the support structure allows air circulation inside the coil rod and thus allows cooling of the of the coil rod during operation of the device. This embodiment allows utilization and use of the heat generated during operation of the device of the invention for different purposes, since the generated heat can be lead outside the device via the air channels. The air channels can also be equipped with suitable air valves to control the flow of air inside the device and out from the device. In this embodiment the device of the invention is preferably equipped with a heat exchanger for cooling the air circulated inside the device and for collecting heat energy from the circulated air.
In an embodiment of the device of the invention the device comprises at least one pressurized tank for providing the gas mixture of hydrogen and water to the combustion chamber, which tank is partially filled with water, to which tank hydrogen gas is fed via the water layer inside the tank, and which tank is equipped with ultrasonic atomizer for providing water mist for the gas mixture fed to the combustion chamber. In this embodiment the ultrasonic atomizer is preferably located under the water surface inside the tank.
In an embodiment of the device of the invention the device the combustion chamber is equipped with conduit for removing water from the combustion chamber. In this embodiment the water collected from the combustion chamber is preferably conveyed back to the pressurized tank of the previous embodiment.
In an embodiment of the device of the invention the device comprises fuel injection siphon nozzles connected to the combustion chamber(s), which nozzles are configured to spray the fuel on the diaphragms. This way the diaphragms can be cooled during the operation of the device.
In an embodiment of the device of the invention the combustion chambers are equipped with cooling systems. This embodiment allows the temperature of the combustion chambers to be kept suitable for condensing of water vapor inside the combustion chambers, which enhances cooling of the diaphragms. The cooling systems may be implemented with cooling channels inside the walls of the combustion chambers, wherein suitable cooling medium is circulated. Further, the device of the invention may comprise a liquid cooling system for cooling and collecting heat energy from all heat generating parts of the device.
In an embodiment of the device of the invention the combustion chambers comprise an exhaust valve, which allows combustion fumes and gasses to exit from the combustion chamber. This embodiment allows for the multifuel configuration of the device of the invention.
More precisely the features defining a device in accordance with the present invention are presented in claim 1 . Dependent claims present advantageous features and embodiments of the invention.
Exemplifying embodiment of the invention and its advantages are explained in greater detail below in the sense of example and with reference to accompanying drawings, where
Figure 1 shows schematically an embodiment of a support structure for permanent magnets of a device of the invention,
Figure 2 shows schematically an embodiment of a coil rod of a device of the invention,
Figure 3 shows schematically an embodiment of an additional magnet arrangement of a device of the invention,
Figure 4 shows schematically an assembly of the parts shown in figures 1 -3, and
Figure 5 shows schematically an embodiment of a combustion system of a device of the invention.
Figure 1 shows schematically an embodiment of a support structure 1 for permanent magnets 2, 2’ of a device of the invention.
The support structure 1 comprises horizontally extending section 3, and a vertically extending section 4. The horizontally extending section 3 extends in the direction in which the coil rod of the device moves in its linear back-and-forth movement, and the vertically extending section 4 extends in a direction perpendicular to the said horizontal direction.
The magnets 2, 2’ are connected to the longitudinal ends of the section 3 with tubes 5, 5’. The tubes 5, 5’ provide horizontal air channels 6, 6’ extending inside the support structure 1 , which connects into a vertical air channel 7 provided inside the section 4. These air channels 6, 6’, 7 allow air to circulate inside the coil rod and the
support structure 1 , and out from there, when the coil rod moves in relation to the support structure. The air channels 6, 6’, 7 can also be equipped with suitable valves to control the airflow through the air channels.
In the vertically extending section 4 is arranged piezo sensors 8, which are used controlling the movement of the coil rod of the device so, that it does not collide with the support structure.
The support structure 1 and its parts are preferably made from aluminum. Alternatively, other non-magnetic materials and composites, such as titanium and ceramics for example, may be used for the support structure 1 .
Figure 2 shows schematically an embodiment of a coil rod 10 of a device of the invention.
The coil rod 10 comprises a hollow elongate frame 11 , which is preferably made from non-magnetic lightweight material and/or composites, such as carbon reinforced polymers, aluminum, titanium, and/or ceramics for example. On the outer surface of the frame 11 , at the longitudinal end portions of the frame, are arranged coils 12, 12’. The coils 12, 12’ are separated from each other by the center portion of the frame 11 . In the center portion of the frame 11 is arranged elongate openings 13, 13’ for the support structure 1 of the device (shown in figure 1 ). From these openings 13, 13’ the vertical sections 4 of the support structure 1 shown in figure 1 extends through the wall of the coil rod 10, and the elongate form of the openings 13, 13’ allow the linear movement of the coil rod in relation to the support structure 1.
At the longitudinal ends of the coil rod 10 are arranged ring parts 14, 14’, which ring parts are equipped with through holes 15 allowing air to flow in and out of the interior of the coil rod.
The coil rod 10 is connected at both of its ends to diaphragms (not shown) which diaphragms have a greater diameter than the coil rod.
Figure 3 shows schematically an embodiment of an additional magnet arrangement 20 of a device of the invention.
The additional magnet arrangement comprises a permanent magnet 21 , which is fitted inside a support part 22. The support part 22 comprises flanges 23 for
improving cooling of the additional magnet arrangement 21 . The support part 22 can also be provided with a liquid cooling system.
Figure 4 shows schematically an assembly of the parts of the device of the invention shown in figures 1 -3, and discussed above. The assembly shown in figure 4 forms the generator assembly of the device of the invention.
In the assembly of figure 4 the support structure 1 and its magnets are located inside the coil rod 10, apart from the end portions of the vertically extending sections 4, via which the support structure can be fixed to the frame (not shown) of the device. Around the longitudinal end areas of the coil rod 10, substantially over the areas of the coils 12, 12’, are located the additional magnet arrangements 20.
Electricity is conducted from the coils 12, 12’ of the coil rod 10 with vibration resistant wires (not shown), for example.
Figure 5 shows schematically an embodiment of a combustion system 30 of a device of the invention.
The combustion system 30 comprises combustion chamber 31 , which is partially enclosed with diaphragm 32. The diaphragm 32 is preferably circular in shape, similarly than the coil rod, the end of which is connected to the diaphragm on the opposite side in relation to the combustion chamber 31. The diaphragm 32 have substantially larger diameter than the end of the coil rod, so that the area of the diaphragm located outside the area of the coil rod allows flexing of the diaphragm so that the coil rod can be moved linearly between the combustion chambers of the device.
Alternatively, other shapes can also be used for the diaphragm 32, as well as for the cross-sectional shapes of the other related parts of the device, such as rectangular shapes.
Combustion gas mixture is fed from a pressurized tank 33 via conduit 34 to the combustion chamber 31. The feeding of the combustion gas mixture into the combustion chamber 31 is controlled and timed with a valve 35. The conduit 43 can be equipped with a fuel injection siphon nozzle, which sprays the combustion gas mixture inside the combustion chamber 31 . The spraying direction is preferably directed towards the diaphragm 32, so that the water in the combustion gas mixture cools the diaphragm.
Further, the walls of the combustion chamber 31 are also preferably equipped with suitable cooling system for cooling the walls. Preferably the temperature of the combustion chamber is kept at temperature below 100 °C, more preferably the temperature is kept between 60 and 70 °C. The temperature of the combustion chamber is most preferably defined such that it is close and below to the condensation temperature of the water vapor in the combustion gas mix.
Into the pressurized tank 33 is fed hydrogen and oxygen gas from a suitable source via conduit 36, which feeding can be controlled with valve 37. The hydrogen gas mixture fed to the pressurized tank 33 comprises the oxygen required for burning the created gas mixture inside the combustion chamber 31 . Suitable hydrogen gas mixture is 66% hydrogen and 33% oxygen, for example, which provides stoichiometric burning of the hydrogen gas mixture.
The lower portion of the pressurized tank 33 is filled with water 39, through which the hydrogen gas is fed to the pressurized tank with the conduit 36. Inside the pressurized tank 33, in the area covered by water 39, is located an ultrasonic atomizer 38. The ultrasonic atomizer 38 forms very fine water mist in the hydrogen gas inside the pressurized tank, thus creating the combustion gas mixture of hydrogen, oxygen and water.
The combustion gas mixture fed inside the combustion chamber 31 is ignited with an igniter 40, which causes explosion inside the combustion chamber and the flexing of the diaphragm 32 outward. During the outward flexing of diaphragm 32, fresh combustion gas mixture is fed inside the combustion chamber 31. Once the diaphragm 32 is flexed to its outward limit position, which have pushed the coil rod connected to the diaphragm to its limit position, combustion gas mixture is ignited in the opposite combustion chamber of the device. The explosion in the opposite combustion chamber pushes the diaphragm 32 back towards the combustion chamber 31 , which inward movement of the diaphragm simultaneously compresses the combustion gas mixture inside the combustion chamber. Once the diaphragm 32 reaches its inward limit position in relation to the combustion chamber 31 , the combustion gas mixture is ignited again. This process is repeated at different stages in the opposite combustion chambers during the operation of the device.
The linear movement of the coil rod in the device of the invention is preferably 1 -1 ,5 cm, and 2 cm at maximum, which movement corresponds to the flexing of the diaphragm 32. With this magnitude of linear movement of the coil rod the electrical
power obtained from the device of the invention is about 5 kW. However, the present invention is not restricted to these dimensions and values in any way.
Burning of the combustion gas mixture of hydrogen, oxygen and water creates liquid water inside the combustion chamber 31 , which is collected with a collection area 43 and lead back to the pressurized tank 33 via conduit 41 . The conduit is equipped with a valve 42. Preferably the water level inside the collection area 43 and/or conduit 41 is set to correspond the water level inside the pressurized tank 33, whereby the valve 42 does not need to be closed during explosion inside the combustion chamber, since the mass of the water sufficiently resists the force of the explosion inside the combustion chamber.
The pressurized tank 33 is preferably also equipped with a suitable safety valve 44. The pressurized tank 33 can also be provided with a liquid cooling system.
Further, the device of the invention is also preferably equipped with a suitable control system and software to control and monitor the operation of the device. The specific exemplifying embodiment of the invention shown in figures and discussed above should not be construed as limiting. A person skilled in the art can amend and modify the embodiment described in many evident ways within the scope of the attached claims. Thus, the invention is not limited merely to the embodiment described above.
Claims
1 . Device for generating electricity, which device comprises
- an elongate coil rod (10) movable in linear back-and forth movement and equipped with a coil (12, 12’),
- combustion chambers (31 ) for moving the coil rod, and
- permanent magnets (2, 2’) with support structure (1 ) in relation to which the coil rod moves, characterized in that the magnets (2, 2’) are located and supported with the support structure (1 ) inside the coil rod (10), and that the coil rod is connected to and separated from the combustion chambers (31 ) with diaphragms (32) from both longitudinal ends of the coil rod.
2. Device of claim 1 , wherein the device comprises additional permanent magnets (21 ) located around the coil rod (10).
3. Device of claim 1 or 2, wherein the combustion chambers (31 ) are configured to burn gas mixture of hydrogen, oxygen and water.
4. Device of any of claims 1 -3, wherein the support structure (1 ) of the permanent magnets (2, 2’) located inside the coil rod (10) extend through the wall of the coil rod at the longitudinal center portion of the coil rod, and that the support structure is equipped with internal air channels (6, 6’, 7) allowing air to circulate inside the support structure and out from the support structure.
5. Device of claim 4, wherein the device comprises a heat exchanger for cooling the air circulated inside the device and for collecting heat energy from the circulated air.
6. Device of any of claims 1 -5, wherein the device comprises at least one pressurized tank (33) for providing the gas mixture of hydrogen, oxygen and water to the combustion chamber (31 ), which tank is partially filled with water (39), to which tank hydrogen gas is fed via the water layer inside the tank, and which tank is equipped with ultrasonic atomizer (38) for providing water mist for the gas mixture fed to the combustion chamber.
7. Device of any of claims 1 -6, wherein the combustion chamber (31 ) is equipped with conduit (43) for removing water from the combustion chamber.
8. Device of any of claims 1 -7, wherein the device comprises fuel injection siphon nozzle connected to the combustion chamber (31 ), which nozzle is configured to spray the fuel on the diaphragms (32).
9. Device of any of claims 1-8, wherein the combustion chambers (31) are equipped with cooling systems.
10. Device of any of claims 1 -9, wherein the combustion chambers (31 ) comprise an exhaust valve.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20225297 | 2022-04-06 | ||
FI20225297A FI130496B (en) | 2022-04-06 | 2022-04-06 | Device for generating electricity with linear movement |
Publications (1)
Publication Number | Publication Date |
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WO2023194655A1 true WO2023194655A1 (en) | 2023-10-12 |
Family
ID=85979515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FI2023/050178 WO2023194655A1 (en) | 2022-04-06 | 2023-03-30 | Device for generating electricity with linear movement |
Country Status (2)
Country | Link |
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FI (1) | FI130496B (en) |
WO (1) | WO2023194655A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539535A (en) * | 1946-03-16 | 1951-01-30 | Bell Telephone Labor Inc | Source of electrical energy |
US6199519B1 (en) | 1998-06-25 | 2001-03-13 | Sandia Corporation | Free-piston engine |
CN100568685C (en) * | 2008-01-16 | 2009-12-09 | 于德龙 | DC reciprocating motor |
WO2012014649A1 (en) * | 2010-07-29 | 2012-02-02 | ブラザー工業株式会社 | Vibration generator |
DE102011006262A1 (en) * | 2011-03-28 | 2012-10-04 | BSH Bosch und Siemens Hausgeräte GmbH | Cooling apparatus i.e. household cooling apparatus, has generator comprising coil that is driven on track relative to magnet by oscillations of compressor to produce movements, so that generator is energized by oscillations of compressor |
CN203288195U (en) * | 2013-05-28 | 2013-11-13 | 倪健夫 | Roadside illumination advertising lamp box capable of generating electricity by noises |
-
2022
- 2022-04-06 FI FI20225297A patent/FI130496B/en active
-
2023
- 2023-03-30 WO PCT/FI2023/050178 patent/WO2023194655A1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539535A (en) * | 1946-03-16 | 1951-01-30 | Bell Telephone Labor Inc | Source of electrical energy |
US6199519B1 (en) | 1998-06-25 | 2001-03-13 | Sandia Corporation | Free-piston engine |
CN100568685C (en) * | 2008-01-16 | 2009-12-09 | 于德龙 | DC reciprocating motor |
WO2012014649A1 (en) * | 2010-07-29 | 2012-02-02 | ブラザー工業株式会社 | Vibration generator |
DE102011006262A1 (en) * | 2011-03-28 | 2012-10-04 | BSH Bosch und Siemens Hausgeräte GmbH | Cooling apparatus i.e. household cooling apparatus, has generator comprising coil that is driven on track relative to magnet by oscillations of compressor to produce movements, so that generator is energized by oscillations of compressor |
CN203288195U (en) * | 2013-05-28 | 2013-11-13 | 倪健夫 | Roadside illumination advertising lamp box capable of generating electricity by noises |
Also Published As
Publication number | Publication date |
---|---|
FI130496B (en) | 2023-10-10 |
FI20225297A1 (en) | 2023-10-07 |
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