WO2009098970A1 - リニア発電装置 - Google Patents

リニア発電装置 Download PDF

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Publication number
WO2009098970A1
WO2009098970A1 PCT/JP2009/051256 JP2009051256W WO2009098970A1 WO 2009098970 A1 WO2009098970 A1 WO 2009098970A1 JP 2009051256 W JP2009051256 W JP 2009051256W WO 2009098970 A1 WO2009098970 A1 WO 2009098970A1
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WO
WIPO (PCT)
Prior art keywords
piston
fluid pressure
cylinder
permanent magnet
axial direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2009/051256
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English (en)
French (fr)
Inventor
Takaitsu Kobayashi
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Individual
Original Assignee
Individual
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Filing date
Publication date
Priority to EP09707720.0A priority Critical patent/EP2242168B1/en
Priority to AU2009211787A priority patent/AU2009211787B2/en
Priority to PL18204806T priority patent/PL3460967T3/pl
Priority to BRPI0905732-3A priority patent/BRPI0905732B1/pt
Priority to EP18204806.6A priority patent/EP3460967B1/en
Priority to BR122018074488-0A priority patent/BR122018074488B1/pt
Priority to MX2010008481A priority patent/MX2010008481A/es
Priority to US12/811,719 priority patent/US8610320B2/en
Priority to KR1020157009732A priority patent/KR101876256B1/ko
Application filed by Individual filed Critical Individual
Priority to ES09707720T priority patent/ES2718749T3/es
Priority to PL09707720T priority patent/PL2242168T3/pl
Priority to CN200980100437XA priority patent/CN101803160B/zh
Publication of WO2009098970A1 publication Critical patent/WO2009098970A1/ja
Anticipated expiration legal-status Critical
Priority to US13/687,088 priority patent/US8680724B2/en
Priority to PH12013501444A priority patent/PH12013501444A1/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • 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
    • 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
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • 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
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present invention relates to a linear power generator in which power generation is induced between a piston and a cylinder constituting a fluid pressure cylinder.
  • Patent Document 1 discloses a power generation apparatus in which a free piston engine (fluid pressure cylinder) and a linear generator cooperate to generate power.
  • the free piston engine (fluid pressure cylinder) constituting the power generator is a single combustion chamber type cylinder having a combustion chamber (fluid pressure chamber) only at one end of the cylinder, similar to the cylinder structure of an automobile engine.
  • the piston is moved only in one direction by the fluid pressure generated by the combustion explosion of the fuel in the chamber, and the piston is moved in the other direction by driving the linear generator as an electric motor, so that the intake stroke and the compression stroke of the free piston engine The exhaust stroke is performed, and the power generation output is taken out from the linear generator at the time of combustion explosion of the free piston engine.
  • the linear power generator according to the above-mentioned Patent Document 1 cooperates with the combustion explosion of a free piston engine (fluid pressure cylinder) composed of a single combustion chamber cylinder and the function of the motor of the linear generator as a piston. It is a structure that reciprocates in the axial direction and uses the coil of the linear generator as an element of the electric motor and the generator. In addition to the control device that controls this, the structure is complicated and expensive. .
  • a free piston engine fluid pressure cylinder
  • the structure is such that the free piston engine and the linear generator are connected in series, so that it is long and requires an excessively large occupied space.
  • the present invention provides a linear power generation apparatus that eliminates the above-described problems and induces power generation between a piston and a cylinder constituting a fluid pressure cylinder.
  • the linear power generator alternately applies the fluid pressure in the left fluid pressure chamber in contact with the left end wall of the cylinder and the fluid pressure in the right fluid pressure chamber in contact with the right end wall to the piston in the cylinder.
  • the piston has a fluid pressure cylinder structure that reciprocates in the axial direction, and forms a permanent magnet zone between a left pressure receiving surface that contacts the left fluid pressure chamber and a right pressure receiving surface that contacts the right fluid pressure chamber of the piston.
  • Forming an electromotive coil band extending over the left and right fluid pressure chambers on the cylindrical wall between the left and right end walls of the cylinder, and reciprocating the piston having the permanent magnet band in the axial direction in the electromotive coil band. It has a configuration for inducing power generation.
  • the left and right fluid pressure chambers constitute a combustion chamber, and the piston is moved in the axial direction by fluid pressure caused by combustion explosion of fuel in the combustion chamber.
  • high pressure fluid is alternately supplied from the outside into the left and right fluid pressure chambers, and the piston is moved in the axial direction by the fluid pressure of the high pressure fluid.
  • the piston is formed of a cylindrical permanent magnet, and both end opening surfaces of the cylindrical hole of the cylindrical piston are closed with a pressure receiving end plate, and fluid pressure is received by the pressure receiving end plate.
  • the cylindrical piston is formed as a single cylinder made of permanent magnets, or a ring or a short cylinder made of a plurality of permanent magnets is laminated to form the cylindrical piston.
  • the piston constituting the fluid pressure cylinder
  • power generation can be induced between the cylinders, the structure of the power generation device can be simplified and the size and weight can be reduced, and efficient power generation can be stably obtained.
  • the piston is cylindrical, and the structure that receives the fluid pressure by the pressure-receiving end plate and obtains the movement of the piston achieves weight reduction of the piston, and can induce smooth reciprocation and efficient power generation.
  • the pressure-receiving end plate can effectively protect the permanent magnet of the piston from impact and heat.
  • Sectional drawing which shows the example which formed the piston (permanent magnet cylinder) of the linear electric power generating apparatus which concerns on this invention with the single cylinder which consists of permanent magnets.
  • Sectional drawing which shows the example which formed the piston (permanent magnet cylinder) of the said linear electric power generating apparatus by lamination
  • Sectional drawing which shows the example which formed the piston (permanent magnet cylinder) of the said linear electric power generating apparatus by lamination
  • Sectional drawing which shows the example which provided the fixed permanent magnet cylinder and the fixed cylinder yoke in each linear power generator of said each illustration.
  • Sectional drawing which shows the 1st operation
  • Sectional drawing which shows the 2nd operation
  • Sectional drawing which shows the 3rd operation
  • Sectional drawing which shows the 1st operation
  • Sectional drawing which shows the 2nd operation
  • the linear power generator uses the fluid pressure in the left fluid pressure chamber 4 in contact with the left end wall 2 of the cylinder 1 and the fluid pressure in the right fluid pressure chamber 5 in contact with the right end wall 3 as a piston in the cylinder 1. (Free piston) It has a fluid pressure cylinder structure that alternately applies to the piston 6 and reciprocates the piston 6 in the axial direction.
  • the cylinder 1 is composed of a true-cylindrical both-end closed cylindrical body whose left end and right end are closed by end walls 2 and 3, and has a piston (free piston) 6 that can move in the axial direction inside.
  • the left fluid pressure chamber 4 is defined between the left end cylinder wall 1 and the piston 6 and the left end wall 2
  • the right fluid pressure chamber 5 is defined between the right end cylinder wall of the cylinder 1 and the piston 6 and the right end wall 3. is doing.
  • the linear power generator employs the fluid pressure cylinder structure, and has a permanent magnet between the left pressure receiving surface 7 in contact with the left fluid pressure chamber 4 and the right pressure receiving surface 8 in contact with the right fluid pressure chamber 5 of the piston 6.
  • a zone 9 is formed, and an electromotive coil zone 11 extending to the left and right fluid pressure chambers 4 and 5 is formed on the cylindrical wall between the left and right end walls 2 and 3 of the cylinder 1, and the permanent magnet zone 9 is provided. It has the structure which induces the electric power generation in the said electromotive coil zone
  • the left and right fluid pressure chambers 4 and 5 constitute a combustion chamber, and the piston 6 is moved in the axial direction by fluid pressure due to combustion explosion of fuel in the combustion chamber.
  • the high pressure fluids 20 and 20 ' are alternately supplied from the outside into the left and right fluid pressure chambers 4 and 5, and the piston 6 is moved in the axial direction by the fluid pressure of the high pressure fluids 20 and 20'. .
  • the piston 6 is formed of a permanent magnet cylinder 6 ′, and both opening surfaces of the cylinder hole 13 of the permanent magnet cylinder 6 ′ are closed by pressure receiving end plates 14.
  • the pressure receiving end plate 14 is configured to receive fluid pressure.
  • FIG. 1 shows an example in which the above-described cylindrical piston 6 is formed by a permanent magnet cylinder 6 'composed of a single cylinder 6a.
  • the piston structure is such that the opening surface is closed by the pressure-receiving end plate 14.
  • FIG. 2 shows an example in which the cylindrical piston 6 is formed by a permanent magnet cylinder 6 'having a structure in which a plurality of short cylinders 6c made of permanent magnets are laminated integrally on a coaxial core.
  • ′ Is extrapolated to the cylindrical yoke 10 to form a piston structure in which the opening surfaces at both ends are closed by the pressure receiving end plates 14.
  • FIG. 3 shows an example in which the cylindrical piston 6 is formed of a permanent magnet cylinder 6 'having a structure in which a plurality of rings 6b made of permanent magnets are integrally and coaxially stacked.
  • a piston structure is formed by extrapolating the yoke 10 and closing the opening surfaces at both ends with the pressure-receiving end plates 14.
  • FIG. 4 shows an example in which a piston 6 is formed of a permanent magnet column 6 ′′ having a structure in which a plurality of solid short columns 6d made of permanent magnets are integrally laminated on a coaxial core, and pressure receiving ends are formed on both end faces.
  • the piston structure is provided with a plate 14.
  • the length of the piston 6 (permanent magnet zone 9) can be increased or decreased by increasing or decreasing the number of the rings 6b or short cylinders 6c.
  • the pressure-receiving end plate 14 described with reference to FIGS. 1 to 4 is formed of a heat-resistant plate made of a ceramic plate, a fiber plate, a stone plate, a concrete plate, a carbon plate, a metal plate, or the like.
  • annular seals 15 are provided on the outer peripheral surfaces of the permanent magnet cylinder 6 'and the permanent magnet column 6' 'so as to form an air-tight chain with the inner peripheral surface of the cylinder 1.
  • a cylindrical piston comprising the permanent magnet cylinder 6'.
  • An annular seal 15 is provided on the outer peripheral surface of the pressure-receiving end plate 14 that closes the opening surfaces at both ends of 6.
  • the polarities of the permanent magnet cylinder 6 ′ and the permanent magnet column 6 ′′ are arranged so that the magnetic lines of the permanent magnets effectively act on the electromotive coils in the electromotive coil zone 11 according to the known electromagnetic induction principle.
  • the inner peripheral portion of the permanent magnet cylinder 6 ′ shown in FIG. 1 is an N pole (or S pole) and the outer peripheral portion is an S pole (or N pole).
  • the inner peripheral portion of the short cylinder 6c and the ring 6b is connected to the N pole. (Or S pole) and the outer peripheral portion can be S pole (or N pole).
  • FIG. 3 shows a ring 6b having an N pole as an outer peripheral part and an S pole as an inner peripheral part, and a ring 6b having an S pole as an outer peripheral part and an N pole as an inner peripheral part.
  • the case where permanent magnet cylinder 6 'is comprised is shown.
  • the short cylinders 6c in FIG. 2 are laminated to form the permanent magnet cylinder 6 ', the short cylinders 6c can be laminated with alternating polarities.
  • FIG. 4 also shows a short column 6d having an S pole at the core and an N pole at the outer periphery, and a short column 6d having an N pole at the core and an S pole at the outer periphery in the axial direction. Shows the case.
  • the electromotive coil forming the electromotive coil band 11 includes a case where a plurality of unit electromotive coil groups are formed in accordance with the above-described example pole arrangements.
  • all the short cylinders 6c or the rings 6b or the short pillars 6d forming the permanent magnet cylinder 6 'and the permanent magnet column 6 are made to have the same polarity in the outer peripheral part and laminated in the same way in the inner peripheral part. Can be structured.
  • FIG. 5 shows a fixed permanent magnet that surrounds the outer peripheral surface of the electromotive coil zone 11 in an annular shape in the cylinder 1 while adopting means for constituting the piston 6 with the permanent magnet cylinder 6 ′ (or permanent magnet column 6 ′′).
  • An embodiment is shown in which a cylindrical body 1 ′ is provided so that power generation by an electromotive coil is performed more efficiently.
  • FIG. 5 shows an embodiment in which a fixed cylindrical yoke 16 is further provided that surrounds the outer peripheral surface of the fixed permanent magnet cylinder 1 'in an annular shape.
  • the power generation efficiency is increased in cooperation with the cylindrical yoke 10 into which the magnet cylinder 6 'can be inserted.
  • a plurality of permanent magnet rings 1 a are laminated to form a fixed permanent magnet cylinder 1 ′.
  • the cylinder 1 ′ surrounds the electromotive coil in the electromotive coil zone 11 in an annular shape.
  • the permanent magnet cylinder 6 ′ constituting the piston 6 is annularly surrounded via the electromotive coil zone 11.
  • permanent magnet cylinders 6 'and 1' are arranged on the inner and outer peripheral surfaces of the electromotive coil in the electromotive coil zone 11, and the electromotive coil is narrowed between the permanent magnet cylinders 6 'and 1'.
  • the permanent magnet ring 1 a constituting the fixed permanent magnet cylinder 1 ′ and the permanent magnet ring 6 b constituting the piston 6 are opposite to each other in the adjacent rings 1 a and 6 b. Laminate each so as to be polar.
  • the permanent magnet cylinder 6 '(piston 6) is formed by the short cylinder 6c shown in FIG. 2, a plurality of permanent magnet short cylinders are stacked to form the fixed permanent magnet cylinder 1'.
  • the permanent magnet cylinder 6 'constituting the piston 6 at 1' is enclosed in an annular shape, and for example, the adjacent short cylinders in the cylinders 1 'and 6' can be arranged so as to have opposite polarities. .
  • a fixed permanent magnet cylinder 1 ′ surrounding the electromotive coil band 11 can be provided.
  • the piston 6 is configured.
  • the left and right fluid pressure chambers 4 and 5 constitute combustion chambers
  • the left and right end walls 2 and 3 are provided with ignition plugs 19 and the left and right end walls 2 and 3 or the left and right end cylinders of the cylinder 1 are provided.
  • a fuel injection valve 17 is provided on the wall, and an exhaust valve 18 is provided, for example, in the middle of the left and right end walls 2, 3 or the left and right end cylinder walls or the cylinder cylinder wall.
  • fluid pressure is exerted on the left pressure receiving surface 7 of the pressure receiving end plate 14 by the combustion explosion of the compressed fuel in the left combustion chamber 4 supplied through the fuel injection valve 17 by the left ignition plug 19.
  • the piston 6 (permanent magnet cylinder 6 'or permanent magnet column 6 ") is moved rightward on the axis.
  • the fluid (combustion gas) 20 generated by the combustion explosion in the left and right combustion chambers 4 and 5 is exhausted through the exhaust valve 18 as the piston 6 reciprocates.
  • the permanent magnet cylinder 6 ′ or the permanent magnet column 6 ′′ (permanent magnet band 9) forming the piston 6 is repeatedly moved back and forth to induce power generation in the electromotive coil band 11.
  • the piston 6 is reciprocated by supplying a high-pressure fluid from the outside to the left and right fluid pressure chambers 4 and 5 will be described with reference to FIGS. 7A and 7B.
  • the high-pressure fluid 20 ′ various gas gases can be used in addition to air and steam.
  • a fluid supply valve 21 and an exhaust valve 22 are provided on the left and right end walls 2 and 3, and as shown in FIG. 7A, a high pressure fluid 20 ′ is supplied into the left fluid pressure chamber 4 through the left fluid supply valve 21.
  • a fluid pressure of 20 ′ is applied to the left pressure-receiving surface 7 of the pressure-receiving end plate 14, and the piston 6 (permanent magnet cylinder 6 ′ or permanent magnet column 6 ′′) is moved rightward on the axis.
  • the permanent magnet cylinder 6 ′ or the permanent magnet column 6 ′′ (permanent magnet band 9) forming the piston 6 is repeatedly moved back and forth to induce power generation in the electromotive coil band 11.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Actuator (AREA)

Abstract

 本発明は発電装置の構造の簡素化と小形軽量化を達成し、効率の良い発電が安定に得られるリニア発電装置を提供する。  シリンダー１の左端壁２と接する左流体圧室４内の流体圧と同右端壁と接する右流体圧室５内の流体圧とをシリンダー１内のピストン６に交互に印加して同ピストン６を軸線方向へ往復移動する流体圧シリンダー構造を有し、上記ピストン６の上記左流体圧室４と接する左受圧面７と上記右流体圧室５と接する右受圧面８間に永久磁石帯域９を形成すると共に、上記シリンダー１の左右端壁２，３間の筒壁に上記左、右流体圧室４，５に亘る起電コイル帯域１１を形成し、上記永久磁石帯域９を有するピストン６の軸線方向への往復移動により上記起電コイル帯域１１における発電を誘起する構成としたリニア発電装置。

Description

リニア発電装置
　本発明は流体圧シリンダーを構成するピストンとシリンダー間において発電を誘起するようにしたリニア発電装置に関する。
　特許文献１はフリーピストンエンジン（流体圧シリンダー）と、リニア発電機とが協働して発電する発電装置を開示している。
上記発電装置を構成するフリーピストンエンジン（流体圧シリンダー）は、自動車エンジンのシリンダー構造と同様、シリンダーの一端にのみ燃焼室（流体圧室）を備えた単燃焼室形シリンダーであり、該単燃焼室における燃料の燃焼爆発によって発生する流体圧でピストンを一方向にのみ移動し、上記リニア発電機を電動機として駆動することによりピストンを他方向へ移動させてフリーピストンエンジンの吸気行程と圧縮行程と排気行程を行わせ、該フリーピストンエンジンの燃焼爆発時に上記リニア発電機から発電出力を取り出す構造を有している。
特開２００５－３１８７０８号公報
　上記特許文献１に係るリニア発電装置は単燃焼室形シリンダーから成るフリーピストンエンジン（流体圧シリンダー）の燃焼爆発と、リニア発電機の電動機としての機能とが協働してフリーピストンエンジンのピストンを軸線方向へ往復動せしめ、リニア発電機のコイルを電動機と発電機の要素として兼用する構造であり、これを制御する制御装置と併せ、構造が複雑且つコスト高になる問題点を有している。
　又ピストンの一方向への移動を燃焼爆発によって行い、他方向への移動を電動機によって行うため、発電効率に劣る問題点を有している。
　又フリーピストンエンジンとリニア発電機とを直列に接続する構造であるため長大となり、過大な占有スペースを要する。
　本発明は流体圧シリンダーを構成するピストンとシリンダー間において発電を誘起するようにした、上記問題点を一掃するリニア発電装置を提供するものである。
　要述すると本発明に係るリニア発電装置は、シリンダーの左端壁と接する左流体圧室内の流体圧と同右端壁と接する右流体圧室内の流体圧とをシリンダー内のピストンに交互に印加して同ピストンを軸線方向へ往復移動する流体圧シリンダー構造を有し、上記ピストンの上記左流体圧室と接する左受圧面と上記右流体圧室と接する右受圧面間に永久磁石帯域を形成すると共に、上記シリンダーの左右端壁間の筒壁に上記左、右流体圧室に亘る起電コイル帯域を形成し、上記永久磁石帯域を有するピストンの軸線方向への往復移動により上記起電コイル帯域における発電を誘起する構成を有する。
　上記左、右流体圧室は燃焼室を構成し、該燃焼室における燃料の燃焼爆発による流体圧で上記ピストンを軸線方向へ移動する構成とする。
　又は上記左、右流体圧室内へ外部より交互に高圧流体を供給し、該高圧流体の流体圧で上記ピストンを軸線方向へ移動する構成とする。
　上記ピストンは筒形の永久磁石で形成し、該筒形ピストンの筒孔の両端開口面を受圧端板で閉鎖し、該受圧端板で流体圧を受圧するように構成する。
　上記筒形ピストンは永久磁石から成る単一筒体で形成するか、又は複数の永久磁石から成るリング又は同短筒体を夫々積層して同筒形ピストンを形成する。
　本発明によれば、シリンダー両端の左、右流体圧室の流体圧を交互に印加してピストンを往復動せしめる流体圧シリンダーの構造を基本構造として採用しながら、該流体圧シリンダーを構成するピストンとシリンダー間において発電を誘起することができ、発電装置の構造の簡素化と小形軽量化を達成することができ、効率の良い発電が安定に得られる。
　又ピストンを筒形とし、受圧端板によって流体圧を受圧しピストンの移動を得る構造により、同ピストンの軽量化を達成し、円滑なる往復移動と効率の良い発電を誘起することができる。
　更には上記受圧端板によって上記ピストンの永久磁石を衝撃や熱から有効に保護できる。
本発明に係るリニア発電装置のピストン（永久磁石筒体）を永久磁石から成る単一筒体にて形成した例を示す断面図。 上記リニア発電装置のピストン（永久磁石筒体）を永久磁石から成る短筒体の積層にて形成した例を示す断面図。 上記リニア発電装置のピストン（永久磁石筒体）を永久磁石から成るリングの積層にて形成した例を示す断面図。 上記リニア発電装置のピストン（永久磁石柱体）を永久磁石から成る短柱体にて形成した例を示す断面図。 上記各例示のリニア発電装置において固定永久磁石筒体と固定筒形ヨークを設けた例を示す断面図。 燃料の燃焼爆発によりピストンを駆動せしめるリニア発電装置の第一動作を示す断面図。 燃料の燃焼爆発によりピストンを駆動せしめるリニア発電装置の第二動作を示す断面図。 燃料の燃焼爆発によりピストンを駆動せしめるリニア発電装置の第三動作を示す断面図。 燃料の燃焼爆発によりピストンを駆動せしめるリニア発電装置の第四動作を示す断面図。 外部より供給する高圧流体によりピストンを駆動せしめるリニア発電装置の第一動作を示す断面図。 外部より供給する高圧流体によりピストンを駆動せしめるリニア発電装置の第二動作を示す断面図。
符号の説明
　１…シリンダー、１′…固定永久磁石筒体、１ａ…永久磁石リング、２…左端壁、３…右端壁、４…左流体圧室、５…右流体圧室、６…ピストン、６′…永久磁石筒体、６″…永久磁石柱体、６ａ…単一筒体、６ｂ…リング、６ｃ…短筒体、６ｄ…短柱体、７…左受圧面、８…右受圧面、９…永久磁石帯域、１０…筒形ヨーク、１１…起電コイル帯域、１３…筒孔、１４…受圧端板、１５…環状シール、１６…固定筒形ヨーク、１７…燃料噴射弁、１８…排気弁、１９…点火プラグ、２０…流体（燃焼気体）、２０′…高圧流体、２１…流体供給弁、２２…排気弁。
　以下本発明を実施するための最良の形態を図１乃至図７に基づき説明する。
　本発明に係るリニア発電装置は、シリンダー１の左端壁２と接する左流体圧室４内の流体圧と、同右端壁３と接する右流体圧室５内の流体圧とをシリンダー１内のピストン（フリーピストン）６に交互に印加して同ピストン６を軸線方向へ往復移動する流体圧シリンダー構造を有する。
　上記シリンダー１は左端と右端が端壁２，３にて閉鎖された真円筒形の両端閉鎖形筒体から成り、内部に軸線方向に移動可能なピストン（フリーピストン）６を有し、該シリンダー１の左端筒壁とピストン６と左端壁２間に上記左流体圧室４を画成し、該シリンダー１の右端筒壁とピストン６と右端壁３間に上記右流体圧室５を画成している。
　本発明に係るリニア発電装置は上記流体圧シリンダー構造を採りながら、上記ピストン６の上記左流体圧室４と接する左受圧面７と上記右流体圧室５と接する右受圧面８間に永久磁石帯域９を形成すると共に、上記シリンダー１の左右端壁２，３間の筒壁に上記左、右流体圧室４，５に亘る起電コイル帯域１１を形成し、上記永久磁石帯域９を有するピストン６の軸線方向への往復移動により上記起電コイル帯域１１における発電を誘起する構成を有する。
　上記左、右流体圧室４，５は燃焼室を構成し、該燃焼室における燃料の燃焼爆発による流体圧で上記ピストン６を軸線方向へ移動する構成とする。
　又は上記左、右流体圧室４，５内へ外部より交互に高圧流体２０，２０′を供給し、該高圧流体２０，２０′の流体圧で上記ピストン６を軸線方向へ移動する構成とする。
　図１，図２，図３に示すように、上記ピストン６は永久磁石筒体６′で形成し、該永久磁石筒体６′の筒孔１３の両端開口面を受圧端板１４で閉鎖し、該受圧端板１４で流体圧を受圧するように構成する。
　具体例として図１は単一の筒体６ａから成る永久磁石筒体６′で上記筒形ピストン６を形成した例を示し、該永久磁石筒体６′を筒形ヨーク１０に外挿し、両端開口面を受圧端板１４で閉鎖したピストン構造にする。
　又図２は永久磁石から成る複数の短筒体６ｃを一体に且つ同軸芯に積層した構造の永久磁石筒体６′で上記筒形ピストン６を形成した例を示し、該永久磁石筒体６′を筒形ヨーク１０に外挿し、両端開口面を受圧端板１４で閉鎖したピストン構造にする。
　又図３は永久磁石から成る複数のリング６ｂを一体且つ同軸芯に積層した構造の永久磁石筒体６′で上記筒形ピストン６を形成した例を示し、該永久磁石筒体６′を筒形ヨーク１０に外挿し、両端開口面を受圧端板１４で閉鎖したピストン構造にする。
　又図４は永久磁石から成る複数の中実構造の短柱体６ｄを一体に且つ同軸芯に積層した構造の永久磁石柱体６″でピストン６を形成した例を示し、両端面に受圧端板１４を設けたピストン構造にする。
　上記リング６ｂ，短筒体６ｃを積層構造にした場合はリング６ｂ又は短筒体６ｃの積層数の増減によりピストン６（永久磁石帯域９）の長さを増減できる。
　好ましくは、図１乃至図４で説明した受圧端板１４をセラミック板、繊維板、石材板、コンクリート板、カーボン板、金属板等から成る耐熱板で形成する。
　又上記永久磁石筒体６′及び永久磁石柱体６″の両端外周面にシリンダー１の内周面との気密封鎖を図る環状シール１５を設ける。又は永久磁石筒体６′から成る筒形ピストン６の両端開口面を閉鎖する受圧端板１４の外周面に環状シール１５を設ける。
　上記永久磁石筒体６′及び永久磁石柱体６″の極性は既知の電磁誘導原理に従い、永久磁石の磁力線が起電コイル帯域１１の起電コイルに対し効果的に作用する配置とする。
　例えば図１に示す永久磁石筒体６′の内周部をＮ極（又はＳ極）とし、外周部をＳ極（又はＮ極）とする。
　同様に図２，図３に示すように、短筒体６ｃ又はリング６ｂを積層して永久磁石筒体６′を形成する場合にも、短筒体６ｃとリング６ｂの内周部をＮ極（又はＳ極）とし、外周部をＳ極（又はＮ極）とすることができる。
　図３は具体例として外周部をＮ極、内周部をＳ極としたリング６ｂと、外周部をＳ極、内周部をＮ極としたリング６ｂとを軸線方向に交互に積層し、永久磁石筒体６′を構成した場合を示している。図２の複数の短筒体６ｃを積層して永久磁石筒体６′を形成した場合も極性を交互にして短筒体６ｃを積層することができる。
　又図４は芯部にＳ極を有し外周部にＮ極を有する短柱体６ｄと、芯部にＮ極を有し外周部にＳ極を有する短柱体６ｄとを軸線方向に積層した場合を示している。
　上記起電コイル帯域１１を形成する起電コイルは上記各例示の極配置に従い複数の単位起電コイル群で形成する場合を含む。
　勿論永久磁石筒体６′と永久磁石柱体６″を形成する全ての短筒体６ｃ又はリング６ｂ又は短柱体６ｄを外周部において同極にし、内周部において同極になるように積層構造にすることができる。
　図５は上記永久磁石筒体６′（又は永久磁石柱体６″）でピストン６を構成する手段を採用しつつ、シリンダー１に起電コイル帯域１１の外周面を環状に包囲する固定永久磁石筒体１′を設け、起電コイルによる発電をより効率的に行わせるようにした実施例を示している。
　図５は更に上記固定永久磁石筒体１′の外周面を環状に包囲する固定筒形ヨーク１６を設けた実施例を示している。
　上記固定永久磁石筒体１′と、該固定永久磁石筒体１′を包囲する固定筒形ヨーク１６と、ピストン６を構成する永久磁石筒体６′又は永久磁石柱体６″と、該永久磁石筒体６′を外挿せる筒形ヨーク１０とは協働して発電効率を高める。
　例示として図５に示すように、多数の永久磁石リング１ａを積層して固定永久磁石筒体１′を形成し、該筒体１′で起電コイル帯域１１の起電コイルを環状に包囲し、且つ該起電コイル帯域１１を介してピストン６を構成する永久磁石筒体６′を環状に包囲する。
　換言すると、起電コイル帯域１１の起電コイルの内周面と外周面に永久磁石筒体６′，１′を配置し、両永久磁石筒体６′，１′間に起電コイルが狭在された構造にする。
　上記固定永久磁石筒体１′を構成する永久磁石リング１ａと、前記ピストン６を構成する永久磁石リング６ｂとは、例えば図３，図５に示すように、隣接するリング１ａ，６ｂが互いに逆極性となるように夫々積層する。
　図２に示す短筒体６ｃで永久磁石筒体６′（ピストン６）を形成した場合も、複数の永久磁石短筒体を積層して固定永久磁石筒体１′を形成し、該筒体１′でピストン６を構成する永久磁石筒体６′を環状に包囲し、例えば筒体１′と６′における隣接する短筒体が互いに逆極性となるように配置した構成を採ることができる。
　図１乃至図４の各例示において上記起電コイル帯域１１を包囲する固定永久磁石筒体１′を設けることができ、該固定永久磁石筒体１′を設けた場合には、ピストン６を構成する永久磁石筒体６′を薄肉にし、同様にピストン永久磁石柱体６″を小径にし、更なるピストン６の軽量化を図ることができる。
　前記の通り、上記左、右流体圧室４，５が燃焼室を構成する場合、例えば左右端壁２，３に点火プラグ１９を設け、該左右端壁２，３又はシリンダー１の左右端筒壁に燃料噴射弁１７を設け、例えば左右端壁２，３又は左右端筒壁又はシリンダー筒壁の中間部に排気弁１８を設ける。
　以下、図６Ａ乃至図６Ｄに基づき、左右流体圧室４，５が左右燃焼室を構成する場合の動作を説明する。
　図６Ａ，図６Ｂに示すように、左側の点火プラグ１９により同燃料噴射弁１７を通じ供給された左燃焼室４内の圧縮燃料の燃焼爆発により、受圧端板１４の左受圧面７に流体圧を与え、ピストン６（永久磁石筒体６′又は永久磁石柱体６″）を軸線上を右方へ移動する。
　上記図６Ｃ，図６Ｄに示すように、ピストン６が上記右方移動により、右燃焼室５内に右側の燃料噴射弁１７を通じて噴射された燃料（気体との混合気）を圧縮し、右点火プラグ１９で点火し、右燃焼室５内において圧縮燃料を燃焼爆発せしめ、受圧端板１４の右受圧面８に流体圧を与え、ピストン６（永久磁石筒体６′又は永久磁石柱体６″）を軸線上を左方へ移動する。
　上記左右燃焼室４，５内の燃焼爆発によって発生した流体（燃焼気体）２０はピストン６の往復移動に伴い排気弁１８を通じ排気する。
　以上の動作を繰り返すことにより、上記ピストン６を形成する永久磁石筒体６′又は永久磁石柱体６″（永久磁石帯域９）が繰り返し往復移動し、起電コイル帯域１１における発電を誘起する。
　次に図７Ａ，図７Ｂに基づき上記左、右流体圧室４，５に外部より高圧流体を供給してピストン６を往復動せしめる実施例について説明する。ここに高圧流体２０′とはエアー、スチームの他、各種ガス気体を用いることができる。
　例えば左右端壁２，３に流体供給弁２１と排気弁２２を設け、図７Ａに示すように、左流体圧室４内に左流体供給弁２１を通じ高圧流体２０′を供給し、該高圧流体２０′の流体圧を受圧端板１４の左受圧面７に与え、ピストン６（永久磁石筒体６′又は永久磁石柱体６″）を軸線上を右方へ移動する。
　次に上記図７Ｂに示すように、ピストン６が上記右方移動の終端に達した時に、右流体圧室５内に右流体供給弁２１通じ高圧流体２０′を供給し、該高圧流体２０′の流体圧を受圧端板１４の右受圧面８に与え、ピストン６（永久磁石筒体６′又は永久磁石柱体６″）を軸線上を左方へ移動する。
　以上の動作を繰り返すことにより、上記ピストン６を形成する永久磁石筒体６′又は永久磁石柱体６″（永久磁石帯域９）が繰り返し往復移動し、起電コイル帯域１１における発電を誘起する。

Claims (5)

  1. シリンダーの左端壁と接する左流体圧室内の流体圧と同右端壁と接する右流体圧室内の流体圧とをシリンダー内のピストンに交互に印加して同ピストンを軸線方向へ往復移動する流体圧シリンダー構造を有し、上記ピストンの上記左流体圧室と接する左受圧面と上記右流体圧室と接する右受圧面間に永久磁石帯域を形成すると共に、上記シリンダーの左右端壁間の筒壁に上記左、右流体圧室に亘る起電コイル帯域を形成し、上記永久磁石帯域を有するピストンの軸線方向への往復移動により上記起電コイル帯域における発電を誘起する構成としたことを特徴とするリニア発電装置。
  2. 上記左、右流体圧室は燃焼室を構成し、該燃焼室における燃料の燃焼爆発による流体圧で上記ピストンを軸線方向へ移動する構成であることを特徴とする請求項１記載のリニア発電装置。
  3. 上記左、右流体圧室内へ外部より交互に高圧流体を供給し、該高圧流体の流体圧で上記ピストンを軸線方向へ移動する構成であることを特徴とする請求項１記載のリニア発電装置。
  4. 上記ピストンを筒形にし、該筒形ピストンの筒孔の両端開口面を流体圧を受圧する受圧端板で閉鎖したことを特徴とする請求項１又は２又は３記載のリニア発電装置。
  5. 永久磁石から成る複数のリング又は同複数の短筒体を積層して上記筒形ピストンを形成したことを特徴とする請求項４記載のリニア発電装置。
PCT/JP2009/051256 2008-02-07 2009-01-27 リニア発電装置 Ceased WO2009098970A1 (ja)

Priority Applications (14)

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KR1020157009732A KR101876256B1 (ko) 2008-02-07 2009-01-27 리니어 발전 장치
PL18204806T PL3460967T3 (pl) 2008-02-07 2009-01-27 Generator liniowy
BRPI0905732-3A BRPI0905732B1 (pt) 2008-02-07 2009-01-27 Gerador linear com uma estrutura de cilindro de pressão de fluído
EP18204806.6A EP3460967B1 (en) 2008-02-07 2009-01-27 Linear generator
BR122018074488-0A BR122018074488B1 (pt) 2008-02-07 2009-01-27 Gerador linear com uma estrutura de cilindro de pressão de fluído
MX2010008481A MX2010008481A (es) 2008-02-07 2009-01-27 Generador lineal.
US12/811,719 US8610320B2 (en) 2008-02-07 2009-01-27 Linear generator having a fluid pressure cylinder structure
EP09707720.0A EP2242168B1 (en) 2008-02-07 2009-01-27 Linear generator
ES09707720T ES2718749T3 (es) 2008-02-07 2009-01-27 Generador lineal
AU2009211787A AU2009211787B2 (en) 2008-02-07 2009-01-27 Linear generator
PL09707720T PL2242168T3 (pl) 2008-02-07 2009-01-27 Generator liniowy
CN200980100437XA CN101803160B (zh) 2008-02-07 2009-01-27 线性发电装置
US13/687,088 US8680724B2 (en) 2008-02-07 2012-11-28 Linear generator having a fluid pressure cylinder structure
PH12013501444A PH12013501444A1 (en) 2008-02-07 2013-07-05 Linear generator

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JP2008-027923 2008-02-07
JP2008027923A JP4415133B2 (ja) 2008-02-07 2008-02-07 リニア発電装置

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US12/811,719 A-371-Of-International US8610320B2 (en) 2008-02-07 2009-01-27 Linear generator having a fluid pressure cylinder structure
US13/687,088 Continuation US8680724B2 (en) 2008-02-07 2012-11-28 Linear generator having a fluid pressure cylinder structure

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PH12013501444B1 (en) 2014-08-27
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US20100277012A1 (en) 2010-11-04
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