JPH07116991B2 - Subchamber type gas chamber subchamber structure - Google Patents

Subchamber type gas chamber subchamber structure

Info

Publication number
JPH07116991B2
JPH07116991B2 JP61310229A JP31022986A JPH07116991B2 JP H07116991 B2 JPH07116991 B2 JP H07116991B2 JP 61310229 A JP61310229 A JP 61310229A JP 31022986 A JP31022986 A JP 31022986A JP H07116991 B2 JPH07116991 B2 JP H07116991B2
Authority
JP
Japan
Prior art keywords
chamber
sub
gas
main combustion
injection hole
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.)
Expired - Fee Related
Application number
JP61310229A
Other languages
Japanese (ja)
Other versions
JPS63162922A (en
Inventor
祥宏 夏目
徹 中園
Original Assignee
ヤンマーディーゼル株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤンマーディーゼル株式会社 filed Critical ヤンマーディーゼル株式会社
Priority to JP61310229A priority Critical patent/JPH07116991B2/en
Publication of JPS63162922A publication Critical patent/JPS63162922A/en
Publication of JPH07116991B2 publication Critical patent/JPH07116991B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P13/00Sparking plugs structurally combined with other parts of internal-combustion engines

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、例えば発電機の駆動用に使用される副室式ガ
ス機関の副室構造に関するものである。
TECHNICAL FIELD The present invention relates to a sub-chamber structure of a sub-chamber type gas engine used, for example, for driving a generator.

(従来技術及びその問題点) この種の副室式ガス機関は第10図に示すように、主燃焼
室10に連続して副室12を設け、主燃焼室10にはガス通路
14、空気通路16から流通する稀薄混合気を供給し、副室
12にはガス管18から供給されるガス燃料で濃厚混合気を
形成し、点火プラグ20でまず副室12内の濃厚混合気に点
火して主燃焼室10内の稀薄混合気をも燃焼し、低燃費と
低公害を両立するようにしている。なお、22はガス弁で
ある。
(Prior Art and Problems Thereof) In this type of auxiliary chamber type gas engine, as shown in FIG. 10, an auxiliary chamber 12 is provided continuously to the main combustion chamber 10, and a gas passage is provided in the main combustion chamber 10.
14 、 Supply the lean air-fuel mixture flowing from the air passage 16
A rich air-fuel mixture is formed by a gas fuel supplied from a gas pipe 18 at 12, and a rich air-fuel mixture in the sub chamber 12 is first ignited by a spark plug 20 to burn a lean air-fuel mixture in the main combustion chamber 10. , To achieve both low fuel consumption and low pollution. In addition, 22 is a gas valve.

ところで、ガス管18の途中には副室12内の負圧で開弁
し、正圧で閉弁するチェック弁24が介装されているが、
副室12の詳細構造は第11図のようになっている。
By the way, in the middle of the gas pipe 18, there is provided a check valve 24 that opens with negative pressure in the sub chamber 12 and closes with positive pressure.
The detailed structure of the sub-chamber 12 is as shown in FIG.

第11図で25は副室本体であり、副室本体25の内部空間が
前記副室12になっている。副室本体25はシリンダヘッド
26にパッキン27を介して螺合している。副室本体25の上
端にはスリーブ28が溶接されており、スリーブ28には前
記点火プラグ20およびチェック弁24が設けられている。
In FIG. 11, 25 is a sub chamber main body, and the internal space of the sub chamber main body 25 is the sub chamber 12. Sub chamber body 25 is a cylinder head
It is screwed to 26 through packing 27. A sleeve 28 is welded to the upper end of the sub chamber main body 25, and the sleeve 28 is provided with the spark plug 20 and the check valve 24.

チェック弁24はその上端部をガス管18が繋がるガス通路
30内に配置してあり、チェック弁24の下端部は副室12に
連通した通路31に繋がっている。したがって、チェック
弁24が副室12内の負圧で開弁し、正圧で閉弁することに
よってガス管18から副室12へ供給されるガス燃料の供給
量を調整するようになっている。
The check valve 24 is a gas passage whose upper end is connected to the gas pipe 18.
The check valve 24 is disposed inside the passage 30, and the lower end portion of the check valve 24 is connected to the passage 31 communicating with the sub chamber 12. Therefore, the check valve 24 is opened by the negative pressure in the sub chamber 12 and is closed by the positive pressure to adjust the supply amount of the gas fuel supplied from the gas pipe 18 to the sub chamber 12. .

しかしながら、以上のような副室12ではガス燃料が通路
31から略真下に噴射されるために、副室本体25の連通孔
32からガス燃料の一部が主燃焼室10へ流出してしまい、
副室12内に濃厚な混合気を形成し難いという問題があ
る。
However, in the sub chamber 12 as described above, the gas fuel is
Since it is injected almost directly from 31, the communication hole of the sub chamber main body 25
Part of the gas fuel flows out of the main combustion chamber 10 from 32,
There is a problem that it is difficult to form a rich air-fuel mixture in the sub chamber 12.

(発明の目的) 本発明は、副室式ガス機関において、副室内に濃厚な混
合気を形成できる副室式ガス機関の副室構造を提供する
ことを目的としている。
(Object of the Invention) An object of the present invention is to provide a sub-chamber structure of a sub-chamber gas engine capable of forming a rich air-fuel mixture in the sub-chamber.

(発明の構成) 本発明は、比較的薄い混合気が供給される主燃焼室10
と、主燃焼室10に連続して濃い混合気が供給される副室
12を有する副室式ガス機関において、副室12内にガス燃
料を導入するガス噴射孔42と点火プラグ20とを副室12の
平面中心Oに対して反対位置の上端部に配置し、ガス噴
射孔42の副室12への正面視噴射角度θaを、ガス噴射孔
42を含み副室12の軸心Oに直交する基準面Sに対して、
副室12の軸方向で主燃焼室10方向への角度を正とし、反
主燃焼室方向への角度を負として、−10゜〜45゜の範囲
内に設定しかつガス噴射孔42の副室12への平面視噴射角
度θbを、副室12の平面中心Oとガス噴射孔42中心とを
結ぶ平面中心線Oxに対して平面視方向で45゜〜90゜の範
囲内に設定して、ガス燃料を副室12内の反主燃焼室側端
部に貯留させるようにしたことを特徴とする副室式ガス
機関の副室構造である。
(Structure of the Invention) The present invention is directed to a main combustion chamber 10 to which a relatively thin mixture is supplied.
And a sub chamber where a rich mixture is continuously supplied to the main combustion chamber 10.
In a sub-chamber type gas engine having 12, a gas injection hole 42 for introducing a gas fuel into the sub-chamber 12 and an ignition plug 20 are arranged at the upper end opposite to the plane center O of the sub-chamber 12, The front view injection angle θa of the injection hole 42 to the sub chamber 12 is defined by
With respect to the reference plane S that includes 42 and is orthogonal to the axis O of the sub chamber 12,
In the axial direction of the auxiliary chamber 12, the angle in the direction of the main combustion chamber 10 is positive and the angle in the direction of the anti-main combustion chamber is negative, and the angle is set within the range of −10 ° to 45 ° and the auxiliary of the gas injection hole 42 is set. The plane view injection angle θb to the chamber 12 is set within the range of 45 ° to 90 ° in the plan view direction with respect to the plane center line Ox connecting the plane center O of the sub chamber 12 and the center of the gas injection hole 42. The sub-chamber structure of a sub-chamber type gas engine is characterized in that the gas fuel is stored in an end portion of the sub-chamber 12 on the side opposite to the main combustion chamber.

(実施例) (1)第1実施例 本発明を採用した第1実施例を示す第1図において、第
11図と同一符号を付した部分は同一あるいは相当部分を
示す。
(Embodiment) (1) First Embodiment In FIG. 1 showing the first embodiment of the present invention,
The parts with the same reference numerals as in FIG. 11 indicate the same or corresponding parts.

第1図中で、チェック弁24の下端部にはガス導管40が連
通し、ガス導管40の内部が前記通路31になっている。こ
のガス導管40は底板41を有し、副室12の軸心Oに対して
略横向きに開いた1個の噴射孔42が形成されている。
In FIG. 1, a gas conduit 40 communicates with the lower end of the check valve 24, and the inside of the gas conduit 40 serves as the passage 31. The gas conduit 40 has a bottom plate 41, and one injection hole 42 that is opened substantially laterally with respect to the axis O of the sub chamber 12 is formed.

噴射孔42の図中の上下方向の噴射角度θaは、水平面S
(軸心Oに対して直交する基準面)に対して下向き(主
燃焼室10方向に向かって)略20゜に設定されている。な
お、噴射角度θaは副室12の軸方向で主燃焼室方向への
角度を正とし、反主燃焼室方向への角度を負として、−
10゜〜45゜の範囲で最適な角度を選択できる。更に、噴
射角度θaを−に設定した場合には噴射孔42を副室12内
に若干突出させる。
The vertical injection angle θa of the injection hole 42 in the drawing is the horizontal plane S
It is set at about 20 ° downward (toward the main combustion chamber 10 direction) with respect to (the reference plane orthogonal to the axis O). The injection angle θa is defined as a positive angle in the axial direction of the auxiliary chamber 12 toward the main combustion chamber and a negative angle in the anti-main combustion chamber direction.
The optimum angle can be selected within the range of 10 ° to 45 °. Further, when the injection angle θa is set to −, the injection hole 42 is slightly projected into the sub chamber 12.

また第1図のII−II断面図である第2図に示すように、
平面視方向では点火プラグ20の中心O1とガス導管40の中
心O2を結ぶ中心線Oxに対して噴射孔42の噴射角度は、第
2図中で下向きに略50゜の噴射角度θbをなしている。
なお、噴射角度θbは45゜〜90゜の範囲で最適な角度を
選択できる。
Further, as shown in FIG. 2 which is a sectional view taken along line II-II of FIG.
In the plan view, the injection angle of the injection hole 42 with respect to the center line Ox connecting the center O1 of the spark plug 20 and the center O2 of the gas conduit 40 forms an injection angle θb of about 50 ° downward in FIG. There is.
The injection angle θb can be selected as an optimum angle within the range of 45 ° to 90 °.

以上の第1実施例では、噴射孔42の噴射角度を噴射角度
θa(第1図)に設定しているので、ガス燃料は噴射孔
42から軸心Oに対して略横方向に交叉する向きに噴射す
る。
In the first embodiment described above, the injection angle of the injection hole 42 is set to the injection angle θa (Fig. 1), so that the gas fuel is injected into the injection hole 42a.
Injection is performed from 42 in a direction intersecting with the axis O in a substantially lateral direction.

したがって、ガス燃料は従来のように連通孔32へ向かっ
て略真下に噴射されることはなく、副室12の上端部すな
わち反主燃焼室10側端部に貯留し、点火プラグ20の近傍
に集る。
Therefore, unlike the conventional case, the gas fuel is not injected substantially directly below to the communication hole 32, and is stored in the upper end portion of the sub chamber 12, that is, the end portion on the side opposite to the main combustion chamber 10, near the ignition plug 20. Gather

更に、第2図に示すように噴射角度θbの角度で噴射孔
42からガス燃料を噴射するので、ガス燃料は矢印Aのよ
うに副室本体25の内壁に沿って旋回する。したがって、
副室12内のガス燃料は主燃焼室10へ流出しない。
Further, as shown in FIG. 2, the injection holes are formed at an injection angle θb.
Since the gas fuel is injected from 42, the gas fuel swirls along the inner wall of the sub chamber main body 25 as shown by arrow A. Therefore,
The gas fuel in the sub chamber 12 does not flow out to the main combustion chamber 10.

このように副室12の上端部にガス燃料が貯留している状
態で、圧縮行程になると、主燃焼室10から稀薄混合気の
一部が連通孔32を通って副室12に押込まれ、副室12の上
部に前述の通り貯留しているガス燃料に衝突し、矢印B
のように上下方向に旋回する。
In the state where the gas fuel is stored in the upper end portion of the sub chamber 12 in this way, at the compression stroke, a part of the lean air-fuel mixture from the main combustion chamber 10 is pushed into the sub chamber 12 through the communication hole 32, As described above, the fuel gas collides with the gas fuel stored in the upper portion of the sub-chamber 12, and the arrow B
Turn up and down like.

稀薄混合気が矢印Bのように旋回することによって、副
室12の上端部に貯留しているガス燃料と稀薄混合気が混
ざり合って、点火プラグ20の近傍に濃厚な混合気が形成
され、この濃厚な混合気は点火プラグ20の火花で急速に
燃焼する。
When the lean air-fuel mixture swirls as shown by the arrow B, the gas fuel stored in the upper end portion of the sub chamber 12 and the lean air-fuel mixture are mixed, and a rich air-fuel mixture is formed in the vicinity of the spark plug 20, This rich mixture is rapidly burned by the spark of the spark plug 20.

(2)第2実施例 本発明による第2実施例を示す第3図、第4図で、1個
のガス導管40には2個の噴射孔42が形成されている。こ
れらの噴射孔42は中心線Oxを挟んで対称に噴射角度θb
×2の角度をなしている。
(2) Second Embodiment In FIGS. 3 and 4 showing the second embodiment according to the present invention, one gas conduit 40 is provided with two injection holes 42. These injection holes 42 are symmetrical with respect to the center line Ox at the injection angle θb.
The angle is × 2.

この実施例では、矢印A1、A2のように旋回し、点火プラ
グ20の近傍で2本のガス燃料の流れが衝突し、点火プラ
グ20の近傍にガス燃料が一層滞留しやすい。
In this embodiment, the gas fuel swirls as indicated by arrows A1 and A2, two gas fuel flows collide with each other near the spark plug 20, and the gas fuel is more likely to stay near the spark plug 20.

(3)第3実施例 本発明による第3実施例を示す第5図、第6図で、点火
プラグ20は副室12から更に窪んだ小室50内に配置されて
いる。
(3) Third Embodiment In FIGS. 5 and 6 showing a third embodiment according to the present invention, the spark plug 20 is arranged in a small chamber 50 further recessed from the sub chamber 12.

この実施例では、圧縮行程初期に濃厚な混合気が小室50
内に流れ込み、圧縮行程後期に大きな圧縮力で矢印B
(第1図)に沿って高速で副室12内に連通孔32から流入
する稀薄混合気の流れで、点火プラグ20の近傍の濃厚混
合気が希釈され過ぎて終うことを防止する。
In this embodiment, a rich air-fuel mixture is generated in the small chamber 50 at the beginning of the compression stroke.
The large amount of compressive force flows into the arrow B in the latter half of the compression stroke.
The lean air-fuel mixture flowing in the sub-chamber 12 through the communication hole 32 at a high speed along (Fig. 1) prevents the rich air-fuel mixture in the vicinity of the ignition plug 20 from ending up being too diluted.

更に、第7図に示すように、小室50と副室12の間に貫通
孔52が開口する区画板54を設けて、一層小室50内に稀薄
混合気が流れ込むことを防止してもよい。
Further, as shown in FIG. 7, a partition plate 54 having a through hole 52 opened may be provided between the small chamber 50 and the sub chamber 12 to further prevent the lean air-fuel mixture from flowing into the small chamber 50.

(4)実験データ 以上の第1〜第3実施例の実験データを第8図に示す。
すなわち、燃費を表す指標である熱消費率fは、第1
図、第2図の第1実施例の場合には特性X1になり、第3
図、第4図の第2実施例の場合は特性X2になり、第5
図、第6図の第3実施例の場合は特性X3になり、第9図
の従来の場合の特性Xpより大幅に低燃費化している。
(4) Experimental data FIG. 8 shows the experimental data of the above first to third examples.
That is, the heat consumption rate f, which is an index indicating fuel consumption, is
In the case of the first embodiment shown in FIG. 2 and FIG.
In the case of the second embodiment of FIGS. 4 and 5, the characteristic is X2, and the fifth
In the case of the third embodiment shown in FIG. 6 and FIG. 6, the characteristic is X3, which is significantly lower in fuel consumption than the characteristic Xp in the conventional case shown in FIG.

また、副室12内の燃焼の安定度を示す計算上の副室12の
空気過剰率λ2はそれぞれ特性Y1〜Y3のように、第9図
の特性Ypと比較して、主燃焼室の空気過剰率λ1の変動
に対して安定している。
Further, the calculated excess air ratio λ2 of the sub chamber 12 indicating the stability of combustion in the sub chamber 12 is similar to the characteristics Y1 to Y3, as compared with the characteristic Yp of FIG. It is stable against fluctuations in the excess ratio λ1.

更に、NOx濃度Nも第9図の特性Zpより特性Z1〜Z3のよ
うに薄く、排気ガスが清浄である。
Further, the NOx concentration N is also thinner than the characteristic Zp shown in FIG. 9 like the characteristics Z1 to Z3, and the exhaust gas is clean.

なお、実験に使用したガス機関は、ボァ×ストローク:2
80×360、圧縮比:10.5、点火時期:10゜bTDC、回転数:72
0rpm、平均有効圧力Pe=1.10MPaである。
In addition, the gas engine used in the experiment was a bore x stroke: 2
80 × 360, compression ratio: 10.5, ignition timing: 10 ° bTDC, rotation speed: 72
0 rpm, average effective pressure Pe = 1.10 MPa.

(発明の効果) 副室12が負圧になる吸入行程において、チェック弁24が
開き、噴射孔42から副室12内に導入されたガス燃料が、
点火プラグ20のある副室12の上部(反主燃焼室側端部)
に可及的に長く貯留し、点火プラグ20の近傍に濃厚な混
合気を形成することができ、主燃焼室10の空気過剰率が
変化しても安定な燃焼が可能であり、第8図に示すよう
に低燃費と低公害を両立させることができる。
(Effect of the Invention) During the intake stroke in which the sub chamber 12 has a negative pressure, the check valve 24 opens and the gas fuel introduced into the sub chamber 12 from the injection hole 42 is
Upper part of the sub chamber 12 where the spark plug 20 is located (end part on the side opposite the main combustion chamber)
8 can be stored for as long as possible, and a rich air-fuel mixture can be formed in the vicinity of the spark plug 20, and stable combustion is possible even if the excess air ratio of the main combustion chamber 10 changes. As shown in, it is possible to achieve both low fuel consumption and low pollution.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明を採用した第1実施例の副構造を示す縦
断面図、第2図は第2図のII−II断面図、第3図は第2
実施例を示す縦断面図、第4図は第3図のIV−IV断面
図、第5図は第3実施例を示す縦断面図、第6図は第5
図のVI−VI断面図、第7図は第3実施例の更に別の実施
例を示す縦断面図、第8図は本発明による各実施例の実
験データを示すグラフ、第9図は従来例の実験データを
示すグラフ、第10は従来の副室式ガス機関を示す構造略
図、第11図は第10図のP部拡大図である。10……主燃焼
室、12……副室、18……ガス管、20……点火プラグ、24
……チェック弁、40……ガス導管、42……噴射孔、50…
…小室
FIG. 1 is a longitudinal sectional view showing a substructure of the first embodiment adopting the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 2, and FIG.
FIG. 4 is a vertical sectional view showing an embodiment, FIG. 4 is a sectional view taken along the line IV-IV of FIG. 3, FIG. 5 is a vertical sectional view showing the third embodiment, and FIG.
FIG. 7 is a sectional view taken along line VI-VI in FIG. 7, FIG. 7 is a vertical sectional view showing yet another embodiment of the third embodiment, FIG. 8 is a graph showing experimental data of each embodiment according to the present invention, and FIG. The graph which shows the experimental data of an example, the 10th is schematic structure drawing which shows the conventional subchamber type gas engine, and FIG. 11 is the P section enlarged view of FIG. 10 …… Main combustion chamber, 12 …… Sub chamber, 18 …… Gas pipe, 20 …… Spark plug, 24
...... Check valve, 40 ...... Gas conduit, 42 ...... Injection hole, 50 ...
… Komuro

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】比較的薄い混合気が供給される主燃焼室
(10)と、主燃焼室(10)に連続して濃い混合気が供給
される副室(12)を有する副室式ガス機関において、副
室(12)内にガス燃料を導入するガス噴射孔(42)と点
火プラグ(20)とを副室(12)の平面中心(O)に対し
て反対位置の上端部に配置し、ガス噴射孔(42)の副室
(12)への正面視噴射角度(θa)を、ガス噴射孔(4
2)を含み副室(12)の軸心(O)に直交する基準面
(S)に対して、副室(12)の軸方向で主燃焼室(10)
方向への角度を正とし、反主燃焼室方向への角度を負と
して、−10゜〜45゜の範囲内に設定しかつガス噴射孔
(42)の副室(12)への平面視噴射角度(θb)を、副
室(12)の平面中心(O)とガス噴射孔(42)中心とを
結ぶ平面中心線(Ox)に対して平面視方向で45゜〜90゜
の範囲内に設定して、ガス燃料を副室(12)内の反主燃
焼室側端部に貯留させるようにしたことを特徴とする副
室式ガス機関の副室構造。
1. A sub-chamber gas having a main combustion chamber (10) to which a relatively thin air-fuel mixture is supplied and a sub-chamber (12) to which a rich air-fuel mixture is continuously supplied to the main combustion chamber (10). In the engine, the gas injection hole (42) for introducing the gas fuel into the sub chamber (12) and the spark plug (20) are arranged at the upper end opposite to the plane center (O) of the sub chamber (12). Then, the front view injection angle (θa) of the gas injection hole (42) to the sub chamber (12) is determined by
The main combustion chamber (10) in the axial direction of the sub chamber (12) with respect to the reference plane (S) that includes 2) and is orthogonal to the axial center (O) of the sub chamber (12).
Direction is positive and the angle to the opposite main combustion chamber direction is negative, and it is set within the range of -10 ° to 45 ° and the gas injection hole (42) is injected into the sub chamber (12) in plan view. The angle (θb) is within a range of 45 ° to 90 ° in the plan view direction with respect to the plane center line (Ox) connecting the plane center (O) of the sub chamber (12) and the center of the gas injection hole (42). A sub-chamber structure of a sub-chamber type gas engine, characterized in that the gas fuel is set and stored at an end of the sub-chamber (12) on the side opposite to the main combustion chamber.
【請求項2】1個のガス導入口に噴射孔(42)を2個以
上形成し、これらの噴射孔(42)の噴射角度を、副室
(12)の平面中心とガス導入口中心とを結ぶ平面中心線
(OX)に対して平面視方向で、略対称に設定している特
許請求の範囲第1項記載の副室式ガス機関の副室構造。
2. Two or more injection holes (42) are formed in one gas introduction port, and the injection angles of these injection holes (42) are defined as the plane center of the sub chamber (12) and the gas introduction port center. The sub-chamber structure of the sub-chamber type gas engine according to claim 1, wherein the sub-chamber structure is set to be substantially symmetrical in a plan view direction with respect to a plane center line (OX) connecting the two.
【請求項3】副室(12)内の濃厚混合気に点火する点火
プラグ(20)を、副室内面から窪んだ小室(50)に配置
している特許請求の範囲第1項記載の副室式ガス機関の
副室構造。
3. A sub-chamber according to claim 1, wherein the ignition plug (20) for igniting the rich air-fuel mixture in the sub-chamber (12) is arranged in the small chamber (50) recessed from the sub-chamber interior surface. Sub-chamber structure for room type gas engine.
【請求項4】ガス導入口および点火プラグ(20)を副室
(12)の平面中心に対して偏心して配置し、点火プラグ
(20)を副室内面から窪んだ小室(50)に設け、ガス導
入口の噴射孔(42)を副室(12)内へ噴射されるガスが
旋回するように形成している特許請求の範囲第1項記載
の副室式ガス機関の副室構造。
4. A gas inlet and an ignition plug (20) are arranged eccentrically with respect to a plane center of the sub chamber (12), and the ignition plug (20) is provided in a small chamber (50) recessed from the inner surface of the sub chamber. The auxiliary chamber structure of the auxiliary chamber type gas engine according to claim 1, wherein the injection hole (42) of the gas inlet is formed so that the gas injected into the auxiliary chamber (12) swirls.
JP61310229A 1986-12-24 1986-12-24 Subchamber type gas chamber subchamber structure Expired - Fee Related JPH07116991B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61310229A JPH07116991B2 (en) 1986-12-24 1986-12-24 Subchamber type gas chamber subchamber structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61310229A JPH07116991B2 (en) 1986-12-24 1986-12-24 Subchamber type gas chamber subchamber structure

Publications (2)

Publication Number Publication Date
JPS63162922A JPS63162922A (en) 1988-07-06
JPH07116991B2 true JPH07116991B2 (en) 1995-12-18

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ID=18002742

Family Applications (1)

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Country Link
JP (1) JPH07116991B2 (en)

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Publication number Priority date Publication date Assignee Title
JPS4941202A (en) * 1971-12-15 1974-04-18

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Publication number Priority date Publication date Assignee Title
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