JPS6449636U - - Google Patents
Info
- Publication number
- JPS6449636U JPS6449636U JP14441787U JP14441787U JPS6449636U JP S6449636 U JPS6449636 U JP S6449636U JP 14441787 U JP14441787 U JP 14441787U JP 14441787 U JP14441787 U JP 14441787U JP S6449636 U JPS6449636 U JP S6449636U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- sub
- glow plug
- heat insulating
- insulating space
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は、本考案の内燃機関の副燃焼室構造体
の一実施例を示す断面図、第２図は第１図のＡ―
Ａ面の断面図、第３図は本考案の内燃機関の副燃
焼室構造体の別の実施例のセラミツク副燃焼室の
外観図、第４図は第３図のＢ―Ｂ断面図、第５図
は本考案の内燃機関の副燃焼室構造体の別の実施
例のセラミツク副燃焼室の外観図、第６図は第５
図のＣ―Ｃ断面図、第７図は従来の内燃機関の副
燃焼室の断面図である。
１……内燃機関の副燃焼室構造体、２……金属
シリンダーヘツド、３……断熱空間、４……セラ
ミツク副燃焼室、５……セラミツク副燃焼室部材
、６……金属スリーブ、７……セラミツク副燃焼
室の側壁、８……突出部、９……座面、１０……
グロープラグの装着孔、１１……グロープラグ、
１２……パツキング、１３……グロープラグ取り
付け孔、１４……グロープラグ案内部、１５……
燃料噴射ノズル挿入孔、１６……噴孔、１７……
主燃焼室、１８……取り付けねじ部、１９……シ
ール部。
FIG. 1 is a cross-sectional view showing one embodiment of the sub-combustion chamber structure of the internal combustion engine of the present invention, and FIG.
3 is an external view of a ceramic auxiliary combustion chamber of another embodiment of the auxiliary combustion chamber structure for an internal combustion engine according to the present invention; FIG. 4 is a sectional view taken along line BB in FIG. 3; Fig. 5 is an external view of a ceramic auxiliary combustion chamber of another embodiment of the auxiliary combustion chamber structure for an internal combustion engine according to the present invention, and Fig.
7 is a sectional view of a sub-combustion chamber of a conventional internal combustion engine. DESCRIPTION OF SYMBOLS 1... Sub-combustion chamber structure of internal combustion engine, 2... Metal cylinder head, 3... Heat insulation space, 4... Ceramic sub-combustion chamber, 5... Ceramic sub-combustion chamber member, 6... Metal sleeve, 7... ...Side wall of ceramic auxiliary combustion chamber, 8... Protrusion, 9... Seat surface, 10...
Glow plug mounting hole, 11...Glow plug,
12... Packing, 13... Glow plug installation hole, 14... Glow plug guide, 15...
Fuel injection nozzle insertion hole, 16... Nozzle hole, 17...
Main combustion chamber, 18... mounting screw part, 19... seal part.
Claims (1)
室の外周面に断熱空間を備え該セラミツク副燃焼
室が金属シリンダーヘツドに装着されている内燃
機関の副燃焼室構造体において、前記セラミツク
副燃焼室の側壁にグロープラグ挿入孔が設けられ
、該グロープラグ挿入孔が断熱空間に面する部分
にはグロープラグが装着される座面を有している
ことを特徴とする内燃機関の副燃焼室構造体。 In a sub-combustion chamber structure for an internal combustion engine in which a heat insulating space is provided on the outer peripheral surface of a ceramic sub-combustion chamber having a glow plug mounting hole, and the ceramic sub-combustion chamber is attached to a metal cylinder head, a side wall of the ceramic sub-combustion chamber is provided with a heat insulating space. 1. A sub-combustion chamber structure for an internal combustion engine, characterized in that a glow plug insertion hole is provided, and a portion of the glow plug insertion hole facing a heat insulating space has a seating surface on which the glow plug is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14441787U JPS6449636U (en) | 1987-09-24 | 1987-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14441787U JPS6449636U (en) | 1987-09-24 | 1987-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6449636U true JPS6449636U (en) | 1989-03-28 |
Family
ID=31412112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14441787U Pending JPS6449636U (en) | 1987-09-24 | 1987-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6449636U (en) |
-
1987
- 1987-09-24 JP JP14441787U patent/JPS6449636U/ja active Pending
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