JPS6058824U - Insulation structure of engine combustion chamber wall - Google Patents

Insulation structure of engine combustion chamber wall

Info

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
Application number
JP15174483U
Other languages
Japanese (ja)
Other versions
JPH0424125Y2 (en
Inventor
敬治 岸下
畠中　一浩
敏夫 中平
Original Assignee
いすゞ自動車株式会社
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 いすゞ自動車株式会社 filed Critical いすゞ自動車株式会社
Priority to JP15174483U priority Critical patent/JPS6058824U/en
Publication of JPS6058824U publication Critical patent/JPS6058824U/en
Application granted granted Critical
Publication of JPH0424125Y2 publication Critical patent/JPH0424125Y2/ja
Granted legal-status Critical Current

Links

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

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

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの燃焼ガスに接触するシリンダヘッドの内面、
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.
JP15174483U 1983-09-30 1983-09-30 Insulation structure of engine combustion chamber wall Granted JPS6058824U (en)

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)

* Cited by examiner, † Cited by third party
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 its manufacturing method
WO2009020206A1 (en) * 2007-08-09 2009-02-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Internal combustion engine

Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232616B2 (en) * 1972-12-28 1977-08-23

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 its manufacturing method
KR100984990B1 (en) 2005-07-08 2010-10-04 도요타 지도샤（주） Cylinder liner and method for manufacturing the same
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

Similar Documents

Publication Publication Date Title
JPS6058824U (en) Insulation structure of engine combustion chamber wall
JPS58139522U (en) Combustion chamber of internal combustion engine
JPS5984240U (en) Piston for internal combustion engine
JPS6143957U (en) engine parts structure
JPS5879040U (en) Ceramics cylinder liner
JPS6143933U (en) Combustion chamber wall structure of internal combustion engine
JPS59184342U (en) piston
JPS5994145U (en) insulation cylinder liner
JPS616624U (en) Combustion chamber of internal combustion engine
JPS60124531U (en) engine piston
JPS58146845U (en) cylinder head of internal combustion engine
JPS6041545U (en) Structure of insulation engine
JPS60114229U (en) Diesel engine with auxiliary combustion chamber
JPS60133151U (en) Insulated piston of internal combustion engine
JPS59115862U (en) Pre-chamber diesel engine nozzle heat shield
JPS5988239U (en) 2-stroke engine cylinder head
JPS60185047U (en) engine piston
JPS60187345U (en) Piston for internal combustion engine
JPS6097764U (en) Aluminum alloy material with ceramic layer
JPS6112953U (en) Insulated cylinder head of internal combustion engine
JPS6129040U (en) internal combustion engine piston
JPS60173653U (en) Cylinder head insulation structure
JPS5932150U (en) engine piston
JPS59117861U (en) Piston for internal combustion engine
JPS59188953U (en) Diesel engine combustion chamber structure