JPS6058824U - Insulation structure of engine combustion chamber wall - Google Patents
Insulation structure of engine combustion chamber wallInfo
- Publication number
- JPS6058824U JPS6058824U JP15174483U JP15174483U JPS6058824U JP S6058824 U JPS6058824 U JP S6058824U JP 15174483 U JP15174483 U JP 15174483U JP 15174483 U JP15174483 U JP 15174483U JP S6058824 U JPS6058824 U JP S6058824U
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- chamber wall
- insulation structure
- thickness
- engine combustion
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims description 9
- 238000002485 combustion reaction Methods 0.000 title claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の断熱構造を有するピストンの側面断面図
、第２図は本考案が適用されるピストンの側面断面図、
第３図は同シリンダライナの側面断面図、第４図は本考
案の第１実施例に係るエンジンの燃焼室壁部の断熱構造
の側面断面図、第５図は本考案の第２実施例に係る燃焼
室壁部の断熱構造の側面断面図、第６図は本考案の第３
実施例に係る燃焼室壁、部の断熱構造の側面断面図、第
７図は断熱壁の気孔率と断熱度との関係を示す線図、第
８図は断熱壁における表面層の厚さに対する断熱度およ
び体積効率の関係を示す線図である。
８：ピストンなどの壁部、１２：コーティング表面層、
１３：壁体、１４：空洞、１５：略字状セラミックス壁
体、１６：気孔セラミックス壁体、１６ａ：気孔、１８
：断熱壁、２２：金属板。FIG. 1 is a side sectional view of a piston with a conventional heat insulating structure, FIG. 2 is a side sectional view of a piston to which the present invention is applied,
FIG. 3 is a side sectional view of the cylinder liner, FIG. 4 is a side sectional view of the insulation structure of the combustion chamber wall of an engine according to the first embodiment of the present invention, and FIG. 5 is a second embodiment of the present invention. FIG. 6 is a side sectional view of the heat insulating structure of the combustion chamber wall according to the third aspect of the present invention.
A side sectional view of the insulation structure of the combustion chamber wall according to the example, FIG. 7 is a diagram showing the relationship between the porosity of the insulation wall and the degree of insulation, and FIG. 8 is a graph showing the relationship between the thickness of the surface layer in the insulation wall. FIG. 2 is a diagram showing the relationship between degree of insulation and volumetric efficiency. 8: Wall part of piston etc., 12: Coating surface layer,
13: wall body, 14: cavity, 15: abbreviated ceramic wall body, 16: pore ceramic wall body, 16a: pore, 18
: Heat insulation wall, 22: Metal plate.
Claims (1)
ピストンの頂端面およびシリンダライナの内周面などに
多数の空洞を有する気孔率が８０％以上で、厚さが２．
Ｏｒｍｎ以下のセラミックからなる壁体の表面に厚
さ０．１ｍｍ以下のセラミックスによるコーティング表
面層またはステンレスなどの金属板を結合してなる断熱
壁を備えたことを特徴とするエンジンの燃焼室壁部の断
熱構造。The inner surface of the cylinder head, which comes into contact with the combustion gases of the engine,
The top end surface of the piston and the inner peripheral surface of the cylinder liner have many cavities, the porosity is 80% or more, and the thickness is 2.
A combustion chamber wall portion of an engine characterized by having an insulating wall formed by bonding a coating surface layer of ceramics with a thickness of 0.1 mm or less or a metal plate such as stainless steel to the surface of the wall body made of ceramics having a thickness of 0.1 mm or less. insulation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15174483U JPS6058824U (en) | 1983-09-30 | 1983-09-30 | Insulation structure of engine combustion chamber wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15174483U JPS6058824U (en) | 1983-09-30 | 1983-09-30 | Insulation structure of engine combustion chamber wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6058824U true JPS6058824U (en) | 1985-04-24 |
| JPH0424125Y2 JPH0424125Y2 (en) | 1992-06-05 |
Family
ID=30336181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15174483U Granted JPS6058824U (en) | 1983-09-30 | 1983-09-30 | Insulation structure of engine combustion chamber wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6058824U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306259A (en) * | 1987-06-08 | 1988-12-14 | Tech Res Assoc Highly Reliab Marine Propul Plant | Thermal insulation structure employing ceramic |
| JPS6419148A (en) * | 1987-07-11 | 1989-01-23 | Isuzu Motors Ltd | Construction of heat insulated engine |
| JP2007016734A (en) * | 2005-07-08 | 2007-01-25 | Toyota Motor Corp | Cylinder liner and manufacturing method thereof |
| WO2009020206A1 (en) * | 2007-08-09 | 2009-02-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Internal combustion engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930707A (en) * | 1972-07-24 | 1974-03-19 | ||
| JPS5232616U (en) * | 1975-08-29 | 1977-03-08 | ||
| JPS5398215U (en) * | 1977-01-14 | 1978-08-09 | ||
| JPS54141209U (en) * | 1978-03-27 | 1979-10-01 | ||
| JPS54151715A (en) * | 1978-05-22 | 1979-11-29 | Mitsubishi Heavy Ind Ltd | Combustion chamber forming member for internal combustion engine and method of producing the same |
| JPS5815742A (en) * | 1981-07-21 | 1983-01-29 | Nippon Kokan Kk <Nkk> | Engine part having flamed surface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232616B2 (en) * | 1972-12-28 | 1977-08-23 |
-
1983
- 1983-09-30 JP JP15174483U patent/JPS6058824U/en active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930707A (en) * | 1972-07-24 | 1974-03-19 | ||
| JPS5232616U (en) * | 1975-08-29 | 1977-03-08 | ||
| JPS5398215U (en) * | 1977-01-14 | 1978-08-09 | ||
| JPS54141209U (en) * | 1978-03-27 | 1979-10-01 | ||
| JPS54151715A (en) * | 1978-05-22 | 1979-11-29 | Mitsubishi Heavy Ind Ltd | Combustion chamber forming member for internal combustion engine and method of producing the same |
| JPS5815742A (en) * | 1981-07-21 | 1983-01-29 | Nippon Kokan Kk <Nkk> | Engine part having flamed surface |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63306259A (en) * | 1987-06-08 | 1988-12-14 | Tech Res Assoc Highly Reliab Marine Propul Plant | Thermal insulation structure employing ceramic |
| JPS6419148A (en) * | 1987-07-11 | 1989-01-23 | Isuzu Motors Ltd | Construction of heat insulated engine |
| JP2007016734A (en) * | 2005-07-08 | 2007-01-25 | Toyota Motor Corp | Cylinder liner and manufacturing method thereof |
| KR100984990B1 (en) | 2005-07-08 | 2010-10-04 | 도요타 지도샤（주） | Cylinder liner and its manufacturing method |
| JP4584058B2 (en) * | 2005-07-08 | 2010-11-17 | トヨタ自動車株式会社 | Cylinder liner and manufacturing method thereof |
| WO2009020206A1 (en) * | 2007-08-09 | 2009-02-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Internal combustion engine |
| JP5629463B2 (en) * | 2007-08-09 | 2014-11-19 | 株式会社豊田中央研究所 | Internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424125Y2 (en) | 1992-06-05 |
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