JPS63134U - - Google Patents
Info
- Publication number
- JPS63134U JPS63134U JP9320386U JP9320386U JPS63134U JP S63134 U JPS63134 U JP S63134U JP 9320386 U JP9320386 U JP 9320386U JP 9320386 U JP9320386 U JP 9320386U JP S63134 U JPS63134 U JP S63134U
- Authority
- JP
- Japan
- Prior art keywords
- thermal conductivity
- combustion chamber
- sub
- resistant member
- diesel engine
- 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 7
- 239000000446 fuel Substances 0.000 claims description 2
- 239000003779 heat-resistant material Substances 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の第１実施例に係るデーゼルエ
ンジン用副燃焼室近傍の断面図、第２図は第１図
の装置におけるチヤンバ口金の平面図、第３図は
第１図の装置におけるチヤンバ口金の分解図、第
４図は第１実施例および第１比較例における白煙
濃度と経過時間との関係を示した関係図、第５図
は第２実施例および第２比較例における白煙濃度
と経過時間との関係を示した関係図、第６図は本
考案の第３実施例に係るデイーゼルエンジン用副
燃焼室近傍の断面図、第７図は本考案の第４実施
例に係るデイーゼルエンジン用副燃焼室近傍の断
面図、第８図は本考案の第１実施例と比較される
第１比較例のデイーゼルエンジン用副燃焼室近傍
の断面図、である。
６……シリンダヘツド、１１……シリンダヘツ
ドの上壁面、１２……副燃焼室、１４……燃料噴
射ノズル、２１……チヤンバ口金、２３……チヤ
ンバ口金の内壁面、Ａ１……高熱伝導率耐熱部材
、Ａ２……低熱伝導率耐熱部材。
Fig. 1 is a sectional view of the vicinity of the auxiliary combustion chamber for a diesel engine according to the first embodiment of the present invention, Fig. 2 is a plan view of the chamber mouthpiece in the apparatus shown in Fig. An exploded view of the chamber cap, FIG. 4 is a relationship diagram showing the relationship between white smoke concentration and elapsed time in the first example and the first comparative example, and FIG. A relationship diagram showing the relationship between smoke concentration and elapsed time. Figure 6 is a cross-sectional view of the vicinity of the sub-combustion chamber for a diesel engine according to the third embodiment of the present invention. Figure 7 is a diagram showing the relationship between the smoke concentration and elapsed time. FIG. 8 is a cross-sectional view of the vicinity of the sub-combustion chamber for a diesel engine in a first comparative example compared with the first embodiment of the present invention. 6...Cylinder head, 11...Top wall surface of cylinder head, 12...Sub-combustion chamber, 14...Fuel injection nozzle, 21...Chamber cap, 23...Inner wall surface of chamber cap, A1 ...High thermal conductivity heat-resistant member, A2 ...low thermal conductivity heat-resistant member.
Claims (1)
バ口金を低熱伝導率耐熱部材から構成し、前記チ
ヤンバ口金の内壁面の少なくとも燃料が噴射され
る部位を前記低熱伝導率耐熱部材よりも高い熱伝
導率を有する高熱伝導率耐熱部材で覆つたことを
特徴とするデイーゼルエンジン用副燃焼室。 (2) 前記高熱伝導率耐熱部材を、８００°Ｃよ
りも高い融点を有する部材で構成した実用新案登
録請求の範囲第１項記載のデイーゼルエンジン用
副燃焼室。[Claims for Utility Model Registration] (1) A chamber cap whose inner wall surface constitutes a part of the auxiliary combustion chamber is made of a heat-resistant material with low thermal conductivity, and at least a portion of the inner wall surface of the chamber cap where fuel is injected is provided. A sub-combustion chamber for a diesel engine, characterized in that it is covered with a high thermal conductivity heat resistant member having a higher thermal conductivity than the low thermal conductivity heat resistant member. (2) The sub-combustion chamber for a diesel engine according to claim 1, wherein the high thermal conductivity heat-resistant member is made of a member having a melting point higher than 800°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9320386U JPS63134U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9320386U JPS63134U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63134U true JPS63134U (en) | 1988-01-05 |
Family
ID=30955581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9320386U Pending JPS63134U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63134U (en) |
-
1986
- 1986-06-20 JP JP9320386U patent/JPS63134U/ja active Pending
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