JP5886814B2 - How to ignite a Wankel rotary engine - Google Patents

How to ignite a Wankel rotary engine Download PDF

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JP5886814B2
JP5886814B2 JP2013239404A JP2013239404A JP5886814B2 JP 5886814 B2 JP5886814 B2 JP 5886814B2 JP 2013239404 A JP2013239404 A JP 2013239404A JP 2013239404 A JP2013239404 A JP 2013239404A JP 5886814 B2 JP5886814 B2 JP 5886814B2
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housing
peripheral surface
rotary engine
rotation
inner peripheral
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JP2015098835A (en
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睦夫 行広
睦夫 行広
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行廣 睦夫
行廣 睦夫
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    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Ignition Installations For Internal Combustion Engines (AREA)

Description

本発明はバンケル型ロータリーエンジン点火方法の技術に関する The present invention relates to a technique of a bankel type rotary engine ignition method.

従来のロータリーエンジン点火プラグは単体で両極を持ち、その中で放電し混合気に点火するものであるが故にローターの頂点にあるアペックスシールが点火プラグの電極に触れないようにハウジングに点火プラグ孔を設けなければならない。 The conventional rotary engine spark plug has a single pole and discharges to ignite the air-fuel mixture. Therefore, the spark plug hole in the housing prevents the apex seal at the top of the rotor from touching the spark plug electrode. Must be provided.

アペックスシールの幅よりも大きい点火プラグ孔をアペックスシールが通過するとき圧縮ガス漏れがある。また点火は点火プラグの中から始まり点火プラグ孔を通り燃焼室で爆発までには時間的に遅れ高速回転には不利である。 There is a compressed gas leak when the apex seal passes through a spark plug hole larger than the width of the apex seal. Ignition starts from the inside of the spark plug and passes through the spark plug hole until it explodes in the combustion chamber. This is disadvantageous for high-speed rotation.

従来の点火プラグは単体で両極が有るために放電は点火プラグ孔の中でしかできないのである、これを燃焼室に近いところで放電させ爆発までの時間を短くしたい。 Since the conventional spark plug has a single pole and can be discharged only in the spark plug hole, it is desired to discharge this near the combustion chamber to shorten the time to explosion.

アペックスシールが点火プラグの位置を通過しても気密を保ちたい。 I want to keep airtight even if the apex seal passes the spark plug position.

従来の点火プラグの中心電極と接地電極を分離して、ハウジング（1）内周面の上死点またはその近辺に絶縁体（2）で囲まれた電極をハウジング内周面から外部へ貫通する様に取り付けこれを中心電極（3）とし、なお且ハウジング内側の形状はハウジング内周面と面を合わせて極力アペックスシール（4）が通過時に圧縮ガスが漏れないようにする。 The center electrode and the ground electrode of the conventional spark plug are separated, and the electrode surrounded by the insulator (2) at or near the top dead center of the inner peripheral surface of the housing (1) passes through the housing from the inner peripheral surface to the outside This is the central electrode (3), and the inner shape of the housing is aligned with the inner peripheral surface of the housing so that the compressed gas does not leak when the apex seal (4) passes as much as possible.

これと同様にして接地電極（13）を横にすなわち回転軸に平行に並べて取り付ける。 In the same manner, the ground electrode (13) is attached side by side, that is, parallel to the rotation axis.

ローター（5）の燃焼室（6）に絶縁体（7）を介して固定した導体（8）の一方の端を中心電極（3）に他端を接地電極（13）に放電させたい位置で放電可能な間隙を空けて対向させて配置する。 At the position where one end of the conductor (8) fixed to the combustion chamber (6) of the rotor (5) via the insulator (7) is discharged to the center electrode (3) and the other end to the ground electrode (13) It arrange | positions facing the gap which can be discharged.

又、この導体を燃焼室（6）内の適当なところで切断し放電可能なギャップを設ければそこからも点火の助けができる。   Moreover, if this conductor is cut at an appropriate place in the combustion chamber (6) to provide a dischargeable gap, ignition can be assisted from there.

本発明の1実施例としての概略構成図Schematic configuration diagram as one embodiment of the present invention A-A断面図A-A cross section ローター平面図Rotor top view

ハウジング（1）内周面の中心電極（3）と接地電極（13）の形状は点ではなくハウジングの形状に合わせて図1の電極巾を大きく使い回転方向に長い長方形にして（A-A断面図3,13の内周面参照）、又これに対向する導体も図1の燃焼室（6）内の導体（8）の様にこれに見合う長さにすれば回転による放電間隙の変化を少なくでき、回転速度に対応した放電タイミングや放電持続時間も調整できる。 The shape of the center electrode (3) and ground electrode (13) on the inner peripheral surface of the housing (1) is not a point, but is a rectangle that is long in the direction of rotation using the electrode width shown in Fig. 1 in accordance with the shape of the housing. 3 and 13), and if the length of the conductor facing this is the same as the conductor (8) in the combustion chamber (6) in Fig. 1, the change in the discharge gap due to rotation is reduced. The discharge timing and discharge duration corresponding to the rotation speed can be adjusted.

放電痕を可とするならばハウジングの接地電極（13）を設けずにハウジング面その物を接地電極とする、あるいは中心電極（3）だけの放電ならばローター（5）そのものを接地側としてローターのギア（9）から固定ギア（10）、アペックスシール（4）やサイドシール（11）やコーナーシール（12）等を通して接地側に電流を流す。 If the discharge mark is acceptable, the housing ground electrode (13) is not provided and the housing surface itself is used as the ground electrode, or if only the center electrode (3) is discharged, the rotor (5) itself is grounded. Current from the gear (9) through the stationary gear (10), apex seal (4), side seal (11), corner seal (12) and so on.

1 ハウジング 2 絶縁体 3 中心電極 4 アペックスシール 5 ローター ６ 燃焼室 7 絶縁体 8 導体 9 ローターのギア 10 固定ギア 11 サイドシール 12 コーナーシール 13 接地電極     1 Housing 2 Insulator 3 Center electrode 4 Apex seal 5 Rotor 6 Combustion chamber 7 Insulator 8 Conductor 9 Rotor gear 10 Fixed gear 11 Side seal 12 Corner seal 13 Ground electrode

Claims (1)

バンケル型ロータリーエンジンの点火方法に於いて、ハウジング内周面の上死点またはその近辺に絶縁体で囲まれた電極をハウジング内周面から外部へ貫通する様に取り付けこれを中心電極とし、なお且つハウジング内側の形状はハウジング内周面と面を合わせて極力アペックスシールが通過時に圧縮ガスが漏れないようにする、また対向する燃焼室内に固定した導体の一方の端をローターの回転による放電間隙の変化を少なくするために回転方向に長くして取り付けたことを特徴とする点火方法
In the ignition method of the Wankel type rotary engine, an electrode surrounded by an insulator is attached so as to penetrate from the inner peripheral surface of the housing to the outside at or near the top dead center of the inner peripheral surface of the housing. and the shape of the housing interior as much as possible apex seal together the peripheral surface and the surface housing to allow compressed gas from leaking during the passage, also facing the discharge gap by rotation of one end of the fixed conductor to the combustion chamber rotor Ignition method characterized by being mounted in the direction of rotation in order to reduce the change in
JP2013239404A 2013-11-19 2013-11-19 How to ignite a Wankel rotary engine Expired - Fee Related JP5886814B2 (en)

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JP2013239404A JP5886814B2 (en) 2013-11-19 2013-11-19 How to ignite a Wankel rotary engine

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JP5886814B2 true JP5886814B2 (en) 2016-03-16

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6213733A (en) * 1985-07-09 1987-01-22 Mazda Motor Corp Ignition device of rotary piston engine
JPS63106333A (en) * 1986-10-23 1988-05-11 Mazda Motor Corp Ignition system for rotary piston engine
JPH055476A (en) * 1991-06-28 1993-01-14 Mazda Motor Corp Ignition device for rotary piston engine
JP2001012337A (en) * 1998-10-23 2001-01-16 Nippon Soken Inc Spark ignition device
WO2009144827A1 (en) * 2008-05-30 2009-12-03 Katsuren Hisashi Engine
CN102149917B (en) * 2008-07-23 2015-05-20 博格华纳公司 Igniting combustible mixtures
US9709019B2 (en) * 2011-01-18 2017-07-18 Imagineering, Inc. Plasma generation device and internal combustion engine
EP2743495B1 (en) * 2011-07-16 2016-12-28 Imagineering, Inc. Internal combustion engine

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