WO2016024563A1 - 点火装置 - Google Patents
点火装置 Download PDFInfo
- Publication number
- WO2016024563A1 WO2016024563A1 PCT/JP2015/072615 JP2015072615W WO2016024563A1 WO 2016024563 A1 WO2016024563 A1 WO 2016024563A1 JP 2015072615 W JP2015072615 W JP 2015072615W WO 2016024563 A1 WO2016024563 A1 WO 2016024563A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ignition device
- conductor
- electromagnetic wave
- inner conductor
- injector
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/40—Sparking plugs structurally combined with other devices
- H01T13/44—Sparking plugs structurally combined with other devices with transformers, e.g. for high-frequency ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/01—Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/52—Generating plasma using exploding wires or spark gaps
Definitions
- the present invention relates to an ignition device, and more particularly to an ignition device that discharges by generating a high voltage by resonating electromagnetic waves.
- an ignition device for ignition of an internal combustion engine an ignition device using a plasma generation device that generates electromagnetic wave plasma by radiating electromagnetic waves into a combustion chamber of the internal combustion engine has been proposed.
- Japanese Unexamined Patent Application Publication Nos. 2009-38025 and 2006-132518 describe an ignition device for an internal combustion engine using this type of plasma generation apparatus.
- Japanese Patent Application Laid-Open No. 2009-38025 describes a plasma generation apparatus that generates a spark discharge in a discharge gap of a spark plug and radiates a microwave toward the discharge gap to expand the plasma.
- plasma generated by spark discharge receives energy from a microwave pulse. This accelerates electrons in the plasma region, promotes ionization, and increases the volume of the plasma.
- Japanese Patent Laid-Open No. 2006-132518 discloses an ignition device for an internal combustion engine that generates a plasma discharge by radiating electromagnetic waves from an electromagnetic wave radiator into a combustion chamber.
- An ignition electrode insulated from the piston is provided on the upper surface of the piston. The ignition electrode serves to locally increase the electric field strength of the electromagnetic wave in the combustion chamber in the vicinity thereof.
- the internal combustion engine ignition device generates plasma discharge in the vicinity of the ignition electrode.
- the plasma generating apparatus described in Japanese Patent Application Laid-Open No. 2009-38025 requires at least two power sources: a high voltage power source for causing discharge in the spark plug and a high frequency power source for emitting microwaves.
- a high voltage power source for causing discharge in the spark plug
- a high frequency power source for emitting microwaves.
- the plasma generator is used in a combustion chamber of an automobile engine or the like, the installation space is limited, and thus there is a disadvantage that it is difficult to secure an installation place in such a plasma generator that requires a plurality of power sources.
- both a high voltage distribution system and an electromagnetic wave distribution system for a conventional spark plug are required, which makes it highly complicated and requires only an electromagnetic wave for ignition.
- the present invention has been made in view of the above points, and an object thereof is an ignition device used for an internal combustion engine or the like, which does not require a spark plug or a complicated system that is discharged by a high voltage, and only an electromagnetic wave. It is used to provide a small ignition device that can generate a high potential difference and generate a discharge that can ignite the fuel.
- a coaxial structure in which an inner conductor, an outer conductor, and an insulator that insulates both conductors are arranged coaxially,
- a connection terminal for connecting the inner conductor and the outer conductor to the electromagnetic wave transmitter is disposed on one end side
- An inversion winding section having a resonance structure in which the inner conductor on the other end is extended from the outer conductor, and the tip end side of the extended inner conductor is reversed so as to cover the inner conductor and spirally wound. age
- An ignition device in which the wire diameter and length of the inner conductor extended from the outer conductor and the number of turns of the inversion winding portion are determined so that the capacitive reactance and the dielectric reactance of the inversion winding portion are substantially equal.
- the ignition device of the present invention determines the wire diameter, length, and number of turns of the inner conductor extended from the outer conductor so that the capacitive reactance and the dielectric reactance of the inversion winding portion are substantially equal.
- the reversal winding part as a resonance structure, the supplied electromagnetic wave can be discharged with a potential difference at a predetermined location of the reversal winding part.
- the tip of the reverse winding part to an external conductor.
- the location on the circumference of the exposed inner conductor that is spirally wound, and the location on the circumference of the inner conductor that extends linearly on the insulator side with respect to the inversion winding portion And the distance between the internal conductors at both locations is between ⁇ / 2 with respect to the wavelength ⁇ of the electromagnetic wave to be supplied, causing a dielectric breakdown in the gap (space) between the two locations and discharging .
- the length of the inner conductor extending from the outer conductor on the multi-end side can be an integral multiple of ⁇ / 4, where ⁇ is the frequency of the electromagnetic wave input from the connection terminal.
- the coaxial structure can be a semi-rigid cable.
- a semi-rigid cable By using a semi-rigid cable, a general-purpose product can be used, and the cost can be reduced.
- the igniter according to the present invention has an inversion winding portion constituted by extending an inner conductor on the other end side of the coaxial structure in which an inner conductor, an outer conductor, and an insulator for insulating both conductors are coaxially arranged from the outer conductor.
- FIG. 1 is a partially cutaway front view showing an ignition device of Embodiment 1, wherein (a) shows a state in which an inner conductor tip and an outer conductor are insulated, and (b) shows a state in which the inner conductor tip and an outer conductor are short-circuited. It is a partially expanded front view which shows the state before carrying out reverse winding of the internal conductor of the ignition device. It is a front view which shows the example which uses the semi-rigid cable as a coaxial structure.
- FIG. 5 is a partial cross-sectional front view showing an ignition device-integrated injector according to a second embodiment.
- the bracket of the injector integrated with an ignition device is shown, (a1) is a plan view, (a2) is a cross-sectional view taken along the line Xa-Xa of (a1), (b1) is a plan view of a modification of the second embodiment, and (b2) is a plan view. It is Xb-Xb sectional drawing of (b1).
- the modification of the injector integrated with the ignition device is shown, (a) is an example in which the shaft center of the bracket and the shaft center of the injector mounting hole are aligned, and the ignition device is arranged at a plurality of positions on the circumference, (b) is a double shaft This is an example of eccentricity.
- Ignition device Embodiment 1 is an ignition device according to the present invention.
- the ignition device 1 is a coaxial structure in which an inner conductor 2, an outer conductor 3, and an insulator 4 that insulates both the conductors 2 and 3 are coaxially arranged.
- a connection terminal 5 for connecting the internal conductor 2 and the external conductor 3 to the electromagnetic wave transmitter MW is disposed on one end side, and the internal conductor 2 on the other end side is extended from the external conductor 3 to extend the inside.
- An inversion winding portion 20 having a resonance structure is formed by inverting the tip end side of the conductor 2 so as to cover the inner conductor 2 and winding it spirally.
- this ignition device 1 is made to produce electric discharge in the inversion winding part 20 by making the electric power of the electromagnetic wave of 2.45 GHz output from the electromagnetic wave transmitter MW into 500 W or more, for example.
- the coaxial structure constituting the ignition device 1 is not particularly limited as long as the inner conductor 2, the outer conductor 3, and the insulator 4 that insulates both the conductors 2 and 3 are arranged coaxially.
- a so-called semi-rigid cable can be used.
- a semi-rigid cable By using a semi-rigid cable, a general-purpose product can be used, the cost can be reduced, and the cable can be bent at an arbitrary position.
- the diameter of the inner conductor 2 is preferably about 0.25 mm to 1.00 mm, and the diameter of the outer conductor 3 is preferably about 1.00 mm to 4.00 mm.
- the insulator 4 uses glass fiber etc. from a heat resistant viewpoint.
- the edge part by the side of the inversion winding part 20 of the insulator 4 can also be made into the ceramic 40 etc. which are excellent in heat resistance.
- a heat resistant ceramic adhesive or the like can be filled.
- the outer diameter of the ignition device 1 is substantially equal to the outer diameter of the outer conductor 3, and is extremely small in diameter and can be downsized.
- the ignition device 1 has substantially the same configuration as a normal mode type helical antenna. And in order to make the inversion winding part 20 into a resonance structure, the capacitive reactance XC represented by the following equation (1) and the inductive reactance XL represented by the following equation (2) are made substantially equal. Designing.
- XC 1 / ( ⁇ ⁇ C) (1)
- N number of windings
- H length of the inversion winding part
- D diameter of the inversion winding part
- ⁇ constant ⁇ H is the height of the charge region
- XL j ⁇ LA (2)
- the point b is the electromagnetic wave supplied from the point c where the external conductor 3 is at the same potential (0 potential).
- the point ⁇ / 4 with respect to the wavelength ⁇ and the point b are set so as to be a point ⁇ / 2 from the point a (see FIG. 2).
- both the points a and b correspond to the antinodes of the wavelength and have the largest potential difference and are close to each other (see FIG. 1B).
- the spiral winding pitch of the inversion winding portion 20 is appropriately adjusted so that the point a becomes the closest point (distance substantially equal to the winding radius) from the point b.
- an electromagnetic wave power supply receives an electromagnetic wave oscillation signal (for example, TTL signal) from a control device (not shown)
- the electromagnetic wave oscillator MW is supplied with a pulse current (with a pattern in which a predetermined duty ratio, pulse time, etc. are set). (Microwave pulse) is output.
- a pulse current with a pattern in which a predetermined duty ratio, pulse time, etc. are set.
- Microwave pulse is output.
- the control device In a specific plasma generation operation, first, the control device outputs an electromagnetic wave oscillation signal having a predetermined frequency ⁇ .
- the electromagnetic wave power source When receiving the electromagnetic wave oscillation signal from the control device, the electromagnetic wave power source outputs a pulse current for a predetermined set time with a predetermined duty ratio.
- the electromagnetic wave oscillator MW outputs an electromagnetic wave pulse having a frequency (for example, 2.45 Gz) at a predetermined duty ratio over a set time.
- the electromagnetic wave pulse output from the electromagnetic wave oscillator MW is determined by the above-described equations (1) and (2), and the capacitive reactance XC and the inductive reactance XL have substantially the same number of turns, wire diameter, and length.
- a discharge occurs in the space s1 and the space s2 where the potential difference is the largest, and a spark is generated. Due to this discharge (spark), electrons are emitted from gas molecules in the vicinity of the inversion winding section 20, plasma is generated, and fuel is ignited.
- the ignition device 1 extends from the outer conductor 3 to the inner conductor 2 on the other end side of the coaxial structure in which the inner conductor 2, the outer conductor 3, and the insulator 4 that insulates both conductors are coaxially arranged.
- the reversing winding section 20 configured to resonate the supplied electromagnetic wave and discharge (spark) it at the above-mentioned predetermined location. Therefore, the reversal winding part 20 can be configured to be extremely small, and discharge (sparking) can be caused only by the electromagnetic wave. it can.
- Embodiment 2 Ignition Device-Integrated Injector
- an ignition device and an injector according to the present invention are integrally formed through a bracket and used for an internal combustion engine.
- FIG. 4 shows an example in which the ignition device 1 is attached to a cylinder head 100 of an internal combustion engine together with a direct injection type injector.
- This internal combustion engine is, for example, an engine for a heavy-duty diesel truck in the used car market, and replaces the fuel to be used with gas fuel (CNG gas or LPG gas) as fuel from the viewpoint of improving fuel efficiency and environmental performance. It is.
- gas fuel CNG gas or LPG gas
- Such a technique is called a retrofit technique that improves engine exhaust performance by changing or adding parts to an existing engine, and is recommended by, for example, the United States Environmental Protection Agency.
- Reference numeral 70 denotes a fuel tank and a fuel supply pump, which operate in synchronization with an injection command from a control means (for example, ECU) (for example, a fuel injection valve drive current E that is energized to an electromagnetic coil actuator provided in the injector 7).
- a control means for example, ECU
- ECU fuel injection valve drive current E that is energized to an electromagnetic coil actuator provided in the injector 7
- the bracket 6 is a hollow cylindrical member having a shape corresponding to the shape of the injector attachment port 101, and a groove portion for attaching an O-ring as a seal member is provided on the outer surface.
- the injector mounting hole 61 is provided with a step corresponding to the shape of the injector 7 to be mounted.
- the injector mounting hole 61 opens eccentrically with respect to the axis of the bracket body 60.
- the ignition device attachment hole 62 is opened in the thick part.
- the ignition device mounting hole 62 is formed by bending so as to avoid the stepped portion of the bracket 6.
- an ignition device integrated type in which the injector and the ignition device are arranged in parallel without additional processing of the injector mounting port 101 of the cylinder head 100 is provided.
- an injector it can be applied to retrofit technology that uses a gas engine as fuel for a heavy-duty diesel truck engine in the second-hand market.
- a large capacity injector 7 is used together with the ignition device 1 by manufacturing the bracket 6 applied to the additional injector mounting port 101. can do.
- Embodiment 2 uses only electromagnetic waves even in a diesel engine using a gas fuel that has a high compression ignition temperature and makes it difficult to self-ignite as compared with the case of using light oil as a fuel. Since the discharge device incorporates the ignition device 1, the fuel can be stably ignited.
- the modified example of the second embodiment has an outer surface of the terminal portion 4 of the ignition device 1 in the ignition device mounting hole 63 on the internal combustion engine side end surface of the bracket 6.
- a female screw part for attachment to which the male screw part formed in the above is screwed is formed.
- the diameter of the igniter mounting hole 63 can be greatly reduced, and the axis of the bracket 6 and the axis of the injector mounting hole 61 can be matched to form the igniter mounting holes 63 at a plurality of locations on the circumference. it can.
- the ignition device mounting holes 63 are formed at a plurality of locations on the circumference and a plurality of the ignition devices 1 are arranged, whereby reliable ignition can be realized for the gas fuel.
- the axis of the bracket 6 and the axis of the injector mounting hole 61 are decentered, and the ignition device 1 is disposed only at one place as in the second embodiment. It doesn't matter.
- the ignition device of the present invention can generate a plasma only by electromagnetic waves to generate plasma. Moreover, it has a small diameter, and a plurality of inner diameter engines can be arranged. It can also be integrated with the injector, and it is not only a normal internal combustion engine but also an engine for heavy-duty diesel trucks in the used car market.
- the fuel used is the viewpoint of improving fuel economy and environmental performance.
- the fuel is suitably used for an internal combustion engine or the like in which the fuel is replaced with gas fuel (CNG gas or LPG gas).
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Spark Plugs (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Plasma Technology (AREA)
Abstract
Description
一端側に、内部導体及び外部導体と電磁波発信器とを接続する接続端子を配設し、
他端側の内部導体を外部導体より延出させ、延出させた内部導体の先端側を、内部導体を覆うように反転して螺旋状に巻回することで共振構造とした反転巻回部とし、
該反転巻回部の容量性リアクタンスと誘電性リアクタンスとが略等しくなるように外部導体より延出させた内部導体の線径、長さ及び反転巻回部の巻き数を決定した点火装置である。
本実施形態1は、本発明に係る点火装置である。当該点火装置1は、図1に示すように、内部導体2、外部導体3及び両導体2、3を絶縁する絶縁体4を同軸状に配備した同軸構造体であって、この同軸構造体の一端側には、内部導体2及び外部導体3と電磁波発信器MWとを接続する接続端子5を配設し、他端側の内部導体2を外部導体3より延出させ、延出させた内部導体2の先端側を、内部導体2を覆うように反転して螺旋状に巻回することで共振構造とした反転巻回部20を構成するようにしている。
XC=1/(ω・C)・・・(1)
ここで、電荷からの容量Cは、
C=επN(4.4αH+D)2/(γ(1-2α)H)
N:巻き数、H:反転巻回部の長さ、D:反転巻回部の直径、γ:定数
αHは、電荷領域の高さでα=0.21
1/(ε・ω)=60λ(λは供給する電磁波の周波数)
XL=jωLA・・・(2)
ここで、インダクタンスLAは、
LA=(19.7N2D2・10-6)/j(9D+20H)
点火装置1の点火動作(プラズマ生成動作)について説明する。プラズマ生成動作では、空間s1及び空間s2での放電(スパーク)により、空間s1及び空間s2の近傍にプラズマが生じる。
本実施形態1の点火装置1は、内部導体2、外部導体3及び両導体を絶縁する絶縁体4を同軸状に配備した同軸構造体の他端側の内部導体2を外部導体3より延出させて構成した反転巻回部20で、供給する電磁波を共振させ上述した所定の箇所で放電(スパーク)させることができるから、極めて小型に構成し、電磁波のみで放電(スパーク)を起こすことができる。
本実施形態2は、本発明に係る点火装置とインジェクタとを、ブラケットを介して一体的に構成し、内燃機関に使用するものである。
本実施形態2の点火装置一体型インジェクタは、ディーゼルエンジンにおいて、燃料として軽油を使用するときと比べて圧縮着火温度が高く自着火が困難となるガス燃料を使用するようにしても、電磁波のみで放電する当が点火装置1を組み込んでいるから、安定して燃料を点火することができる。
実施形態2の変形例は、図5(b1)、(b2)及び図6に示すように、ブラケット6の内燃機関側端面の点火装置取付孔63に、点火装置1の端子部4の外表面に形成した雄ねじ部が螺合する取り付け用の雌ねじ部を形成するようにしている。
2 内部導体
20 反転巻回部
21 接続部
3 外部導体
4 絶縁体
5 接続端子
6 ブラケット
60 ブラケット本体
61 インジェクタ取付穴
62 点火装置取付孔
7 インジェクタ
XC 容量性リアクタンス
XL 誘導性リアクタンス
MW 電磁波発信器
Claims (4)
- 内部導体、外部導体及び両導体を絶縁する絶縁体を同軸状に配備した同軸構造体であって、
一端側に、内部導体及び外部導体と電磁波発信器とを接続する接続端子を配設し、
他端側の内部導体を外部導体より延出させ、延出させた内部導体の先端側を、内部導体を覆うように反転して螺旋状に巻回することで共振構造とした反転巻回部とし、
該反転巻回部の容量性リアクタンスと誘電性リアクタンスとが略等しくなるように外部導体より延出させた内部導体の線径、長さ及び反転巻回部の巻き数を決定した点火装置。 - 前記反転巻回部の先端を外部導体と接続した請求項1に記載の点火装置。
- 外部導体より延出させる内部導体の長さが、接続端子から入力される電磁波の周波数をλとしたとき、λ/4の整数倍である請求項1又は請求項2に記載の点火装置。
- 前記同軸構造体が、セミリジットケーブルである請求項1、2又は請求項3に記載の点火装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15832320.4A EP3181891A4 (en) | 2014-08-12 | 2015-08-10 | Ignition device |
JP2016542573A JP6677865B2 (ja) | 2014-08-12 | 2015-08-10 | 点火装置 |
US15/503,187 US10036361B2 (en) | 2014-08-12 | 2015-08-10 | Ignition device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-164601 | 2014-08-12 | ||
JP2014164601 | 2014-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016024563A1 true WO2016024563A1 (ja) | 2016-02-18 |
Family
ID=55304190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/072615 WO2016024563A1 (ja) | 2014-08-12 | 2015-08-10 | 点火装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10036361B2 (ja) |
EP (1) | EP3181891A4 (ja) |
JP (1) | JP6677865B2 (ja) |
WO (1) | WO2016024563A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015182774A1 (ja) * | 2014-05-29 | 2015-12-03 | イマジニアリング株式会社 | 点火装置内蔵インジェクタ |
WO2016027897A1 (ja) * | 2014-08-22 | 2016-02-25 | イマジニアリング株式会社 | 点火装置一体型インジェクタ、内燃機関、ガスバーナー、及び点火装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006132518A (ja) * | 2004-10-07 | 2006-05-25 | Toyota Central Res & Dev Lab Inc | 内燃機関及びその点火装置 |
JP2009038025A (ja) * | 2007-07-12 | 2009-02-19 | Imagineering Kk | プラズマ形成領域の制御装置及びプラズマ処理装置 |
JP2009115093A (ja) * | 2007-11-08 | 2009-05-28 | Delphi Technologies Inc | 共振器アセンブリ |
JP2009281188A (ja) * | 2008-05-20 | 2009-12-03 | Aet Inc | 火花放電点火方式とマイクロ波プラズマ点火方式を併用する点火装置 |
JP2010520400A (ja) * | 2007-03-01 | 2010-06-10 | ルノー・エス・アー・エス | 単一の電力段による複数のプラグコイルの制御 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2604286B1 (fr) * | 1986-09-18 | 1988-11-10 | Mayer Ferdy | Structures a propagation d'onde pour la suppression de surtensions et l'absorption de transitoires |
US5531834A (en) * | 1993-07-13 | 1996-07-02 | Tokyo Electron Kabushiki Kaisha | Plasma film forming method and apparatus and plasma processing apparatus |
US20020101315A1 (en) * | 2001-01-31 | 2002-08-01 | Colin Hamer | Ignition coil with primary winding release |
DE10239410B4 (de) * | 2002-08-28 | 2004-12-09 | Robert Bosch Gmbh | Vorrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor |
JP4305294B2 (ja) * | 2003-08-28 | 2009-07-29 | 株式会社デンソー | 内燃機関用点火装置 |
FR2890247B1 (fr) * | 2005-08-25 | 2007-09-28 | Renault Sas | Bougie d'allumage plasma pour un moteur a combustion interne |
WO2008107166A1 (de) * | 2007-03-07 | 2008-09-12 | Carl Zeiss Smt Ag | Verfahren zum reinigen einer euv-lithographievorrichtung, verfahren zur messung der restgasatmosphäre bzw. der kontamination sowie euv-lithographievorrichtung |
WO2009008521A1 (ja) * | 2007-07-12 | 2009-01-15 | Imagineering, Inc. | 圧縮着火内燃機関、グロープラグ及びインジェクタ |
US8887683B2 (en) * | 2008-01-31 | 2014-11-18 | Plasma Igniter LLC | Compact electromagnetic plasma ignition device |
US8783220B2 (en) * | 2008-01-31 | 2014-07-22 | West Virginia University | Quarter wave coaxial cavity igniter for combustion engines |
US8421274B2 (en) * | 2008-09-12 | 2013-04-16 | University Of Pittsburgh-Of The Commonwealth System Of Higher Education | Wireless energy transfer system |
US20100074808A1 (en) * | 2008-09-23 | 2010-03-25 | Sang Hun Lee | Plasma generating system |
US9318922B2 (en) * | 2008-09-27 | 2016-04-19 | Witricity Corporation | Mechanically removable wireless power vehicle seat assembly |
JP2010096109A (ja) * | 2008-10-17 | 2010-04-30 | Denso Corp | 点火装置 |
DE112010001171T5 (de) * | 2009-03-10 | 2012-04-12 | Osram Sylvania Inc. | Dielektrisch gefüllter Felderzeuger für EHID-Lampen und diesen umfassende EHID-Lampenanordnung |
JP4777463B2 (ja) * | 2009-03-31 | 2011-09-21 | 日本特殊陶業株式会社 | プラズマジェット点火プラグ |
JPWO2013021852A1 (ja) * | 2011-08-10 | 2015-03-05 | イマジニアリング株式会社 | 内燃機関 |
WO2013035880A1 (ja) * | 2011-09-11 | 2013-03-14 | イマジニアリング株式会社 | 高周波放射用プラグ |
US20130294558A1 (en) * | 2012-02-03 | 2013-11-07 | David J. Schulte | Fusion reactor |
DE102012109762B4 (de) * | 2012-10-12 | 2014-06-05 | Borgwarner Beru Systems Gmbh | Koronazündeinrichtung mit gasdichtem HF-Steckverbinder |
JP5720652B2 (ja) * | 2012-10-17 | 2015-05-20 | 株式会社デンソー | 内燃機関用点火コイル |
EP2950621A4 (en) * | 2013-01-22 | 2017-01-25 | Imagineering, Inc. | Plasma generating device, and internal combustion engine |
MX2016013234A (es) * | 2014-04-08 | 2017-05-19 | Plasma Igniter LLC | Generacion de plasma de resonador de cavidad coaxial de señal doble. |
US20170152829A1 (en) * | 2014-04-22 | 2017-06-01 | Imagineering, Inc. | Spark plug and socket |
WO2016027897A1 (ja) * | 2014-08-22 | 2016-02-25 | イマジニアリング株式会社 | 点火装置一体型インジェクタ、内燃機関、ガスバーナー、及び点火装置 |
-
2015
- 2015-08-10 US US15/503,187 patent/US10036361B2/en not_active Expired - Fee Related
- 2015-08-10 EP EP15832320.4A patent/EP3181891A4/en not_active Withdrawn
- 2015-08-10 WO PCT/JP2015/072615 patent/WO2016024563A1/ja active Application Filing
- 2015-08-10 JP JP2016542573A patent/JP6677865B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006132518A (ja) * | 2004-10-07 | 2006-05-25 | Toyota Central Res & Dev Lab Inc | 内燃機関及びその点火装置 |
JP2010520400A (ja) * | 2007-03-01 | 2010-06-10 | ルノー・エス・アー・エス | 単一の電力段による複数のプラグコイルの制御 |
JP2009038025A (ja) * | 2007-07-12 | 2009-02-19 | Imagineering Kk | プラズマ形成領域の制御装置及びプラズマ処理装置 |
JP2009115093A (ja) * | 2007-11-08 | 2009-05-28 | Delphi Technologies Inc | 共振器アセンブリ |
JP2009281188A (ja) * | 2008-05-20 | 2009-12-03 | Aet Inc | 火花放電点火方式とマイクロ波プラズマ点火方式を併用する点火装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3181891A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP6677865B2 (ja) | 2020-04-08 |
EP3181891A4 (en) | 2017-11-08 |
US20170298893A1 (en) | 2017-10-19 |
US10036361B2 (en) | 2018-07-31 |
EP3181891A1 (en) | 2017-06-21 |
JPWO2016024563A1 (ja) | 2017-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5423417B2 (ja) | 高周波プラズマ点火装置 | |
JP5533623B2 (ja) | 高周波プラズマ点火装置 | |
JP5873709B2 (ja) | 高周波プラズマ生成システム及びこれを用いた高周波プラズマ点火装置。 | |
US9873315B2 (en) | Dual signal coaxial cavity resonator plasma generation | |
JP2010096109A (ja) | 点火装置 | |
WO2016027897A1 (ja) | 点火装置一体型インジェクタ、内燃機関、ガスバーナー、及び点火装置 | |
JP6685518B2 (ja) | 点火装置内蔵インジェクタ | |
JP6739348B2 (ja) | 点火ユニット、点火システム、及び内燃機関 | |
WO2013035880A1 (ja) | 高周波放射用プラグ | |
JP6677865B2 (ja) | 点火装置 | |
CN103891069B (zh) | 火花塞以及内燃机 | |
EP3172430B1 (en) | Ignition unit and system | |
WO2017065310A1 (ja) | 点火装置 | |
WO2016108283A1 (ja) | 点火システム、及び内燃機関 | |
JP5294960B2 (ja) | 火花点火式内燃機関 | |
JP6145759B2 (ja) | アンテナ構造、高周波放射用プラグ、及び内燃機関 | |
WO2016125857A1 (ja) | 点火プラグ | |
JP6145760B2 (ja) | 高周波放射用プラグ及び内燃機関 | |
JPWO2015186682A1 (ja) | インジェクタユニット |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15832320 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016542573 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2015832320 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2015832320 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15503187 Country of ref document: US |