TW307937B - - Google Patents

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Publication number
TW307937B
TW307937B TW85101675A TW85101675A TW307937B TW 307937 B TW307937 B TW 307937B TW 85101675 A TW85101675 A TW 85101675A TW 85101675 A TW85101675 A TW 85101675A TW 307937 B TW307937 B TW 307937B
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TW
Taiwan
Prior art keywords
spark
center electrode
electrode
combustion chamber
metal shell
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Application number
TW85101675A
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Chinese (zh)
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Nakano Tamotsu
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Publication of TW307937B publication Critical patent/TW307937B/zh

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  • Ignition Installations For Internal Combustion Engines (AREA)

Description

經濟部中央橾準局員工消費合作社印製 A7 B7 五、發明説明(') 發明之詳細說明 本發明係有關於引擎(内燃櫬)之燃料酤火用之火星塞, 尤其是翻於具有分岐接地電極之火星鏖 引擎點火用之火星寨,愾由裝置於引擎之金屬殼所保 持之中心電極和接地電極之間産生火花,由此將燃料加 以點火者。習知之火星塞,像從設於金屬毅内之絶縲驩 所突出之中心電極,與相對於從該金屬殼加以折曲延伸 之板鞘狀接地電槿之間附加電壓而産生火花,使其對燃 燒室内之燃料點火者。但是侬此種火星塞,其中心電極 及接地電極間之火花乃不穩定而不能連成有效的燃燒。 為了解決上逑之缺黏,提出將該接地霜極與中心霄極 相對部份使用分岐成兩健之接地爾極,郤將火星塞之火 花分散為擴範園之構想之火屋_。(例如USPNo. 4 , 2 6 8 , 774)。此種火星塞,像在接地霉極其最初所相遇中心霣 極之前端外周部所對應之部份分岐接地爾檯,各各之分 岐蠕以超出其對應於其他部份之中心電樋前端外周部之 部份而突出,使接地電槿之分岐酤其最初産生之火花依 順序移動於分岐绱攧而給予火花之大。 然而,在此種火屋塞,接地爾極之一部份僳覆邂中心電 極,因該分岐绱又超遇相當於中心霉極外阖部之部份朝 外方突出,故其火花之産生不一定會穩定,火炎之鑛大也 不能說有充分之面。 本發明之目的,為解決上述之間題點,提供一種火花以 多數之點穩定地産生火花而提高點火效率,同時將産生火花 本紙張尺度適用中國國家揉準(CNS > A4规格(210X297公釐} I n^— In In ..........I —I— I 1:《 I I— 1^1 -I- ---- - - - - - ml -- -i m (請先閲讀背面之注意事項再填薄本頁) 五、發明说明( A7 B7 效 1S 燒 燃質 离物 提染 以污 室之 燒中 燃氣 於排 敗少 分減 大時 擴同 地_ 速 迅 炎 火 之 近 附 陳 於率 費 料 燃 善 改 此 於 由 又 之擎 用引 使對 以: 加 flq 畏 可 而 著 附糜 硪里 之火 極之 轚明 對發 止本之 防 部 癱 絶 備設 具镧 偽内 戡之 特毂 其 ,金 此 在 殼 » 金 塞安 星有 火具 持 保 紋從 鏍且 裝 中 之0 室 燒 燃 於 出 突 flft 鐮 ft 之0 蠼 Π 鼷 部 紋 « 裝 安極 述電 上心 曲 折 之 侧0 前 之 極 電 心 中 對 *3 殻 屬 金 述 上 從 及 以 接 之 岐 分 有 具 近 附 部 端 前 於 且明 , 箱 除霣 花地 火接 成述 形上 出而 伸 極 霉 中 輿 於 置 配 僳 部 之 侧 内 纗 岐 分 各 之 擎 引0 在 9 樣 同 者 c知 置習 位與 .之僳 對成 相構 部本 届基 外之 之塞 部星 嬌火 前明 極發 電本 心 内 毂 羼 金 之 部 紋 螺 裝 安 有 具極 0 .:I n. il -I IB— —i^^. . ----- I (請先Μ讀背面之注f項再填寫本霣) 口 闋 之 部 紋 蠼 装 安 從 侧 8燃 心擎 中引 持於 保出 而突 麵與 癱釀 绝錄 設絶 ,之 败 腸 金 從 像 靖 為 成0 反 相 繚之 花極 火爾 成心 形中 颶其 之 * 部出 _ 突 鮪而 極曲 爾折 心成 中槿 之竃 側地 室接 燒之 上纗 子 岐 者 地 接 為 作 毂 羼 金 由 輔 你 極 « 地 接 又 相 歧鐮 分通 近部 附周 部外 纗嫌 前前 在之 僳極 極霭 電心 地中 ί S U9 0 之部 明角 發之 本供 述内 分 各 # 而 對 订 經濟部中央標準局βζ工消费合作社印裝 ㈣部㈣ 有口 ® 成SB纗 衫 S δ ·J dn間 其 ί 由 部?在 « ^ «殳部* 之"、4>0 ^ Ψ «M又 之 二。揍β迪 &6«* 0 Μ 0 •但S配部燃而口於歐醑出花之S 火狀為 成口成 其 吏 電 *厂 tt W 最 * 檲 部 霉 小 地 _ 接 積 及 面 極 _ 爾 之 心 狀 中 雄 當 園 藉 如 例 部 徑 大 從 塞 星 火 。之 出逑 突上 部於 媾再 近前 本紙張尺度適用中國钃家櫟率(CNS > Α4规棬(210X 297公着} 經濟部中央標準局貝工消費合作社印製 A7 B7五、發明説明(* ) 電壓時,兩電極間之火花陳産生火花,燃燒室内燃料和空 氣之混合氣髓被黏火而燃燒。此時接地爾極各分岐端 之内側角部因與中心電極之外周部邊縐相對之故,在角 部與邊緣間産生火花。放甯镞於前斓為尖銳之部份容易 發生,所以如習知品之接地爾極之板帶狀部份或分岐點 等相對於中心爾極之邊饑部時輿侬本發明之角部輿邊緣 相對時來看本案較易於産生火花。因此當兩電極間蓄 儲所定之鬣荷時立即産生火花,其發生時期即穩定。 上述之火花其多數之分岐_部份大致上在同畤産生, 其後擴大到周園,可得穩定之火花,,若在中心爾極之前 端部附近形成斷面縮少部,則於最初之火花産生後在此 部份火花會鑛大,故火花即穩定。 再由於火花會産生火炎,此火炎僳與中心爾極和接地 電掻間之火花敝之面方向一起,經由接地爾極分岐部間 之開口對燃燒室内作放射狀之鎖大。在習知之板帶狀之 接地電極時,火炎之鑛大只為鼸之面方向,而此面方向僳 朝燃燒室為檐方向之故,雖然對整個燃燒室充_火炎要 費頗多時間,但是使用分岐之接地電極,則經過分岐嫋間 之開口部其火炎會直接伸展到燃燒室方向,則火炎充滿 整個燃燒室之時間縮短,增高燃燒效率。 又於本發明分岐部間之颺α部大,中心爾極之前端部 像朝燃燒室露出,故火炎對整觸燃燒室之傅播迅速,此即 追随火花發生時期之正確性及火花之穩定性,進行有效 的燃燒。 (請先聞讀背面之注$項再填寫本頁)Printed A7 B7 by the Employees ’Consumer Cooperative of the Central Ministry of Economic Affairs of the Ministry of Economy V. Description of the invention (') Detailed description of the invention The present invention relates to a spark plug for the fuel of the engine (internal combustion), especially when it is divergently grounded The electrode of Mars, the Martian wall for ignition of the engine, is sparked between the central electrode held by the metal shell of the engine and the ground electrode, which ignites the fuel. The conventional Mars plug, like the central electrode protruding from the Infinite Flower set in the metal yoke, and the plate sheath-shaped grounding electric hibiscus that is bent and extended from the metal shell generate a spark to make it spark Those who ignite the fuel in the combustion chamber. However, the spark between the center electrode and the ground electrode of this kind of spark plug is unstable and cannot be effectively combusted. In order to solve the above-mentioned lack of stickiness, it is proposed that the ground frost pole and the central pole be divided into two healthy ground poles, but the sparks of the spark plug are scattered into the fire house of the concept of expanding the garden. (Eg USPNo. 4, 2 6 8, 774). This kind of Mars plug, like the part of the outer peripheral part corresponding to the outer peripheral portion of the front end of the central electrode that the ground mold first encounters, each of the different branch creeps beyond the outer peripheral portion of the front end of the central electric shock corresponding to the other parts The part is prominent, so that the branching of the grounded electric hibiscus moves in the order of the branching of the initial spark to give the spark. However, in this kind of firehouse plug, a part of the ground electrode covers the central electrode. Because the bifurcated and overrun part corresponding to the outer part of the central mold pole protrudes outward, the spark is generated. It is not necessarily stable, and the Fire Mine cannot be said to have a full face. The purpose of the present invention is to solve the above problems and provide a spark that generates sparks stably at most points to improve the ignition efficiency. At the same time, the sparks are produced. This paper standard is applicable to the Chinese National Standard (CNS > A4 specification (210X297 } I n ^ — In In .......... I —I— I 1: 《II— 1 ^ 1 -I- ---------ml--im (please Read the precautions on the back first and then fill in this page) 5. Description of the invention (A7 B7 effect 1S burnt fuel isolated and dyed to burn the gas in the dirty room when the failure is reduced and the score is increased. _ 速 迅The flames are close to Chen Yu, the rate is expected to be good, and the reform is due to the use of the engine. You can add flq to the fear, and the statement of the fire pole in the Miyu is paralyzed. Equipped with a special hub of lanthanum pseudo-inner, the gold is in the shell »Jinsai Anxing has a firearm holding pattern burned from the room 0 in the installation and burned to the outburst flft sickle ft 0 輼 Π 鼷 部 纹«The zigzag side of the upper center of the electric pole with the mounting pole is 0. The pole of the front pole has a * 3 shell with a gold base and a difference between the two The end of the attached part is forward and clear, and the box is extinct, and the fire is connected to the metaphysical form, and it is stretched out in the side of the disposition part. Xi Wei and. Zhi Su paired with the structure of the current part of the outside of the base of the Xingjiao fire before the Mingji power generation center, the core of the 羼 金 之 部 mounting screw has a pole 0.: I n. Il -I IB— —i ^^.. ----- I (please read the note f item on the back first and then fill in this 霣) The face and the paralysis are absolutely set, and the defeat of the intestinal gold is like 0 from the Jing Jing to the opposite phase. The flower is extremely hot and the heart is in the shape of the heart. On the side of the chamber, the burner is connected to the ground, and the ground is connected to the hub. The ground is made of gold. You are connected to the pole. «The ground is connected and the difference is divided. The near part and the surrounding part are outside. ί S U9 0 的 部 明 角 发 本本 述 述 内 分 各 # And the opposite is printed by the Central Standards Bureau of the Ministry of Economic Affairs βζ 工 consumer cooperative printing and printing ㈣ 部 ㈣ Between the port into ® SB Zui shirt S δ · J dn a portion thereof ί? In «^« Department * of ", 4 > 0 ^ Ψ «M and two.揍 β 迪 & 6 «* 0 Μ 0 • But the S part is burned and exported to the osmanthus. The fire is made into a mouth. The factory tt W is the most. Face pole _ The heart-shaped Zhongxiong Dangyuan took the usual example of a large diameter from Cypriot Spark. The upper part of the paper is before the rest of the year. The paper scale is applicable to the Chinese oak rate (CNS > Α4 regulation (210X 297 published)) A7 B7 printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs ) At the voltage, the spark between the two electrodes generates sparks, and the mixture of fuel and air in the combustion chamber is viscous and burned. At this time, the inner corner of each diverging end of the ground electrode is opposed to the outer peripheral edge of the center electrode. Therefore, sparks are generated between the corners and the edges. It is easy to place the sharp parts on the front side, so the plate-shaped part or the divergence point of the ground electrode of the conventional product is relative to the edge of the center electrode When the hungry part is the corner of the present invention and the edge of the invention is relatively easy to produce sparks when viewed. Therefore, when the predetermined iguana is stored between the two electrodes, the spark is generated immediately, and its occurrence period is stable. Most of the above-mentioned sparks are The bifurcation_ part is roughly generated in the same zone, and then expanded to Zhouyuan, and a stable spark can be obtained. If a reduced section is formed near the front end of the central pole, it will be here after the initial spark is generated. unit The spark will be large, so the spark is stable. Furthermore, because the spark will produce fire, this flame will work together with the direction of the surface of the spark between the center electrode and the ground electrode through the opening between the ground electrode and the branching part. The radial lock is large. In the conventional plate-shaped ground electrode, the flame mine is only in the direction of the surface of the squash, and the direction of this surface is the direction of the eaves toward the combustion chamber, although the entire combustion chamber is charged with _ 火炎It takes a lot of time, but using the ground electrode of the bifurcation, the flame will directly extend to the direction of the combustion chamber through the opening of the bifurcation, the time for the flame to fill the entire combustion chamber is shortened, and the combustion efficiency is increased. The inter-departmental rise is large, and the front part of the center pole is exposed toward the combustion chamber, so the flame spreads quickly to the full-touch combustion chamber, which follows the correctness of the spark generation period and the stability of the spark, and effectively Burn. (Please read the $ item on the back before filling this page)

•J -装-- 訂---- 本紙張尺度適用中國國家標準(CNS ) Α4规樁(210Χ297公釐) 經濟部中央標準局員工消費合作社印製 3〇7〇37 A7 B7 五、發明説明(车) 由上述邸可改善燃料费^間時,排氣中之污染物質之 量減少,又加以防止磺之附著於電極,可獲致火厘塞於長 期間之使用。 本發明之火星鏖,僳使接地電播之各分岐绱内侧之角部 相對於中心電極前端部之外谰部邊綠,故能將火花以多數 之點穩定地産生而提离點火效率,同時,將産生於火花隙 附近之火炎迅速地擴大分散於燃燒室而增高燃燒效率, 並由於此予改善燃料費之同畤,減少排氣中之污染物質, 又防止硪之附著於電極而獾得可長期使用之火麗塞。以 下,依圖面說明本發明之實施形態。 圖1為依實施形態之火屋塞正面画, 圖2(a)為一部份之側面圃,(b)為下面疆, 圖3(a)為園1之一部份斜視画,(!))為_ 1之一部份放大• J-装-定 ---- This paper scale is applicable to the Chinese National Standard (CNS) Α4 gauge pile (210Χ297mm) Printed by the Ministry of Economic Affairs Central Standards Bureau Employee Consumer Cooperatives 3〇37〇37 A7 B7 V. Description of invention (Vehicle) The fuel consumption can be improved by the above-mentioned residence, the amount of pollutants in the exhaust gas is reduced, and the adhesion of sulfonate to the electrode is prevented, which can cause fire to be used for a long period of time. The sparks of the present invention make the corner of the inner side of each branch of the grounded radio broadcast green relative to the outside of the front end of the center electrode, so that the spark can be stably generated at most points and lifted away from the ignition efficiency. , The fire generated near the spark gap is rapidly expanded and dispersed in the combustion chamber to increase the combustion efficiency, and because of this, the fuel cost is improved, the pollutants in the exhaust gas are reduced, and the adhesion of the electrode to the electrode is prevented. Can be used for a long time. In the following, an embodiment of the present invention will be described with reference to the drawings. Figure 1 is a front view of the fire house plug according to the implementation form, Figure 2 (a) is a part of the side garden, (b) is the lower border, and Figure 3 (a) is a part of the garden 1 squint painting, (! )) Zoom in on a part of _ 1

Q5Q ES , 麵中,1為火屋塞,在具有對引擎之安裝螺紋部2 a之金 羼殼(Housing)2内侧,藉由蔺狀陶瓷製之絶鐮黼3加以保 持中心霄播4»從安裝螺紋部2 a之開口端僩之絶縑體3與 突出於燃燒室倒之中心電極4前端部4a之間,以形成為火 花陳5之狀態,從金羼毅2之安裝螺紋部2a前蠕部將接地電 極6形成折曲突出。 又中心電極4在其前端部4a附近,從大徑部4b藉國錐狀 之斷面缩小部4 c使小徑部4 d作突出,其前纗即當作中心 電極4之前端部4a。 接地電極6係從軸方向部6 a具有朝垂直方向折曲之垂 直方向部6b,並於垂直方向部6b之前端部附近,從分岐點 本紙張尺度適用中國國家揉窣(CNS ) A4规格(210X297公嫠) ---------II 装-- (請先閲讀背面之注$項再填寫本頁) -訂 經濟部中央標準局貝工消费合作社印製 A7 B7 五、發明说明(_T ) 7作分岐而形成分岐部8、9。 上述接地電極6之分岐部8, 9之前端部就是分岐端sa、9 a, 僳延伸至與垂直方向部6a之方向或垂直方向之中心電極4 前端部4 a之直徑位置。而該各分岐端8a、9 a之内倒角部 8b、9b,偽配置在相對於中心電極4前端部4a之上述直徑 方向之外厢部邊緒部4e、4f之位置β並於接地爾極6之 前端部藉由分岐形成V字狀之開口部10,該中心電棰4之 前端部4a像經由此開口部10而露出於燃燒室侧〇又分岐 點7其位於比前端部4a之外周部較外方之位置。 於中心電極4之相反側,亦即,引擎之外_,像成為從絶 緣鼸之突出部3 a所突出之螭子4g,作成可連接於黏火電 路》接地電極6及輔由金屬鷇2作接地》 再於上述之火星塞,施加霉歴在中心電極4及接地電極 6之間時,火花陳5産生火花,_火燃燒室内之燃料和空氣 之潺合氣鐮而燃燒β此時接地甯極8之分岐部8、9前鏞 部,亦邸,各分岐斓8a、9 a之内僱角部8b、9b因相對於中 心電極4前端部4 a之外周部邊鐮部4e、4f之故,使該兩者 間在最初産生火花》 又於尖銳的前端部份容易産生放霜,如上述之火星塞1 , 其角部8b、9b相對於嫌緣4e. 4f時,傺比如習知品之接 地電極之板帶狀部份或分岐黠等相對於中心霜極之邊縐 部時,其火花較容易産生。因此,在兩電極4、6間蓄儲所 定之電荷後立邸産生火花,其遽生時期穩定β 此時,在最初連结角部8b、9b與邊绨4e、4f之線11a、 本紙張尺度逋用中鷗國家櫟牵(CNS ) A4规播(210X297公着) 1' m aaa-w— —MmmMew n In .^^1· m Bn— 1—· m aramf ml ί· 1^1 (請先M讀背面之注$項再填寫本I ) A7 B7__ ___ 五、發明説明() 12a上,大致在同時産生火花後,擴大至大致由線Ub、 11c 及12b、12c所圍住之區域,播得穩定之火花。 並由火花而産生火炎,但是此火炎#由中心電極4與接 地電極6間之火花陳5之面方向一起,經由接地電極6之分 岐部8、9間之開口部10以放射狀擴大於燃燒室内^習知 之板帶狀接地電槿,則火炎之擴大只限於火花_之面方 向,此面方向又朝燃燒室成為播方向之故,火炎要充滿整 値燃燒室會花費頗多時間,但是使用如上述之分岐接地電 極6時,經由分岐部8、9間之關口部10火炎直接伸展於燃 燒室方向,火炎充《整偏燃燒室之時間编短,增离燃燒效率。 分岐部8、9間之開口部10比習知者較大,中心霜極4之 前端部4a整讎偽朝燃燒室钿黼出,並不被遮閉,火炎對整 個燃燒室之傳播迅速,此即迫随火花發生時期之正確性 及火花之穩定性,進行良好之燃燒效率。 再者,於上述之實施形態,將接地爾極6之開口部10僳 作成V字狀,亦可作成多角形狀,弧狀或其他之形狀。又 中心電極4之斷面繡小部4C不僅是圈錐狀,作成達鑛的曲 面狀亦可。 ---------1^------1T-------- (請先閲讀背面之注意事項再填寫本頁) 經濟部中央揉準局員工消费合作社印製 本紙張尺度逋用中國國家梂準(CNS > A4规格(210X297公釐)Q5Q ES, in the face, 1 is a firehouse plug, inside the gold housing 2 with a threaded portion 2a for the engine, it is kept in the center by means of a sintered ceramic 3 made of linseed ceramics 4 » From the insulating body 3 at the open end of the installation thread 2 a and the front end 4 a of the center electrode 4 protruding from the combustion chamber, the state of the spark Chen 5 is formed, and it is creeped from the installation thread 2 a of the Jin Yiyi 2 The ground electrode 6 is bent to protrude. In addition, the center electrode 4 protrudes from the large-diameter portion 4b to the small-diameter portion 4d from the large-diameter portion 4b through the tapered cross-sectional reduced portion 4c, and its front edge is regarded as the front end portion 4a of the center electrode 4. The ground electrode 6 has a vertical direction portion 6b bent in the vertical direction from the axial direction portion 6a, and is near the front end portion of the vertical direction portion 6b. From the divergence point, the paper size is applicable to the Chinese National Crushing (CNS) A4 specification ( 210X297 公 嫠) --------- II outfit-- (please read the $ item on the back and fill in this page) -Order A7 B7 printed by Beigong Consumer Cooperative of Central Bureau of Standards of the Ministry of Economic Affairs (_T) 7 Divide and form the diverging parts 8, 9. The front ends of the diverging portions 8, 9 of the ground electrode 6 are the diverging ends sa, 9a, and extend to the diameter position of the front end portion 4a of the center electrode 4 in the direction perpendicular to the perpendicular direction portion 6a or the perpendicular direction. The inner chamfered portions 8b, 9b of the bifurcated ends 8a, 9a are pseudo-arranged at positions β relative to the front end portion 4a of the center electrode 4 outside the above-mentioned diameter direction of the box portion thread portions 4e, 4f and are grounded. The front end of the pole 6 is formed into a V-shaped opening 10 by bifurcation, and the front end 4a of the central electrode 4 is exposed to the combustion chamber side through the opening 10. The branch point 7 is located at the position of the front end 4a. The position of the outer periphery is more than the outside. On the opposite side of the center electrode 4, that is, outside the engine, like a ridge 4g protruding from the protrusion 3a of the insulating ridge, made to be connectable to the sticky fire circuit, ground electrode 6 and auxiliary metal yoke 2 "Grounding" In the above spark plug, when a mold is applied between the center electrode 4 and the ground electrode 6, the spark Chen 5 generates a spark, _ the combustion gas of the fuel and air in the fire combustion chamber burns and β is grounded at this time Ningji 8 is divided into branches 8 and 9 at the front yoke, and also at the residence. The inner corners 8b and 9b of the branches 8a and 9a are relative to the front end 4a of the central electrode 4 and the peripheral side sickles 4e and 4f. For this reason, the initial sparks between the two are easy to produce frost at the sharp front end, as the spark plug 1 mentioned above, the corners 8b, 9b are relative to the margin 4e. 4f, such as the conventional knowledge Sparks are more likely to occur when the plate-shaped portion of the ground electrode or the bifurcated portion are creped relative to the edge of the central frost pole. Therefore, sparks are generated after the predetermined charge is stored between the two electrodes 4 and 6, and the stable period is β at this time. At this time, the line 11a connecting the corners 8b and 9b with the borders 4e and 4f and the paper The scale used the National Gull National Oak (CNS) A4 regulation broadcast (210X297 public) 1 'm aaa-w— —MmmMew n In. ^^ 1 · m Bn— 1— · m aramf ml ί · 1 ^ 1 ( Please read the note $ item on the back first and then fill in this I) A7 B7__ ___ V. Invention description () 12a, after the sparks are generated at the same time, it will be expanded to the area enclosed by the lines Ub, 11c and 12b, 12c , Broadcast a stable spark. Fire is caused by sparks, but this fire flame # 1 extends from the direction of the surface of the spark 5 between the center electrode 4 and the ground electrode 6 through the opening 10 between the branching portions 8 and 9 of the ground electrode 6 to expand radially to the combustion Indoor ^ The conventional strip-shaped grounding electric hibiscus, the expansion of the fire is limited to the direction of the spark_, which is the direction of the combustion chamber. The flame will take a lot of time to fill the entire combustion chamber, but When using the bifurcated ground electrode 6 as described above, the flame directly extends in the direction of the combustion chamber through the gate 10 between the branch portions 8 and 9, and the flame is shortened to correct the combustion chamber to increase the combustion efficiency. The opening 10 between the branching sections 8 and 9 is larger than that of the conventional ones. The front end 4a of the central frost pole 4 exits toward the combustion chamber and is not blocked. The flame spread to the entire combustion chamber quickly. This means to follow the correctness of the spark generation period and the stability of the spark, to perform good combustion efficiency. Furthermore, in the above-mentioned embodiment, the opening 10 of the ground electrode 6 is formed in a V-shape, and may also be formed in a polygonal shape, an arc shape, or other shapes. In addition, the cross-sectional embroidered portion 4C of the center electrode 4 is not only a cone shape, but also can be made into a curved shape of the mine. --------- 1 ^ ------ 1T -------- (Please read the precautions on the back before filling out this page) Printed by the Employee Consumer Cooperative of the Central Ministry of Economic Affairs The size of this paper adopts China National Standard (CNS > A4 specification (210X297mm)

Claims (1)

3〇7937 I D8 六、申請專利範圍 1. 一種火星塞,其特戤偽具備: 對引擎具有安裝螺紋部之金屬殼; 由此金屬殼之内側所設絶繍鱺之保持,且從上述安裝 螺紋部開口端侧之絶緣體朝燃燒室側突出之中心電極 :以及 從上逑金屬殼對中心電極之前端侧以祈曲伸出形成 火花隙,且於前端部附近具有分岐之接地電極, 而上述接地罨槿之各分岐端内側之角部像配置於與 中心《極前端部之外周部相對之位置。 2. 如申請專利範圃第1項之火星塞,其中心電極在前端部 附近,從大徑部輔斷面積縮小部使其前端部為突出者。 In I nn —^1 i n^i I ^^1 Hi m m n 一 J.. I -3. 、v* (請先閲讀背面之注^•項再填寫本頁) 經濟部中央標準局貝工消費合作社印製 本紙張尺度逋用中國國家揲準(CNS } A4规格(210X297111 )3〇7937 I D8 VI. Patent application 1. A spark plug with special features: a metal shell with a threaded part for the engine; thus, the inner side of the metal shell is provided with the protection of the scorpionfish and installed from the above The center electrode protruding toward the combustion chamber side of the insulator at the opening end of the threaded part: and the front end of the center electrode protruding from the upper metal shell to form a spark gap, and has a diverging ground electrode near the front end, and The corner image inside each diverging end of the above-mentioned ground hibiscus is arranged at a position opposed to the outer periphery of the center "pole tip portion." 2. If the Mars plug of patent application No. 1 is applied, the center electrode is near the front end, and the front end is protruded from the reduced area of the large diameter portion. In I nn — ^ 1 in ^ i I ^^ 1 Hi mmn J .. I -3. 、 V * (please read the note ^ • item before filling in this page) Beigong Consumer Cooperative of Central Bureau of Standards, Ministry of Economic Affairs The size of the printed paper adopts the Chinese National Standard (CNS} A4 specification (210X297111)
TW85101675A 1995-09-22 1996-02-10 TW307937B (en)

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BRPI9908448B1 (en) * 1998-03-02 2015-06-09 Pyrotek Entpr Inc Spark plug to provide a spark within a region of ignition
JP5495980B2 (en) * 2010-06-28 2014-05-21 ダイハツ工業株式会社 Spark plug for spark ignition internal combustion engine
JP6143710B2 (en) * 2014-05-21 2017-06-07 日本特殊陶業株式会社 Spark plug

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