JPH0183150U - - Google Patents
Info
- Publication number
- JPH0183150U JPH0183150U JP1987177864U JP17786487U JPH0183150U JP H0183150 U JPH0183150 U JP H0183150U JP 1987177864 U JP1987177864 U JP 1987177864U JP 17786487 U JP17786487 U JP 17786487U JP H0183150 U JPH0183150 U JP H0183150U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- exhaust passage
- passage structure
- metal
- metal porous
- 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
- 239000002184 metal Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案を適用したエンジンのシリンダ
ヘツドの一実施例を示す断面図、第２図は第１図
の―矢線に沿う断面図、第３図は第１図に示
す排気ポートに装着するポートライナの形成工程
を示す図である。
１……シリンダヘツド、２……燃焼室、３……
吸気弁、４……排気弁、５……動弁機構、６……
吸気ポートライナ、７……排気ポートライナ、１
０……内層、１１……外層。
Fig. 1 is a sectional view showing an embodiment of the cylinder head of an engine to which the present invention is applied, Fig. 2 is a sectional view taken along the - arrow line in Fig. 1, and Fig. 3 is a sectional view showing the exhaust port shown in Fig. 1. It is a figure which shows the formation process of the port liner to mount. 1... Cylinder head, 2... Combustion chamber, 3...
Intake valve, 4... Exhaust valve, 5... Valve mechanism, 6...
Intake port liner, 7...Exhaust port liner, 1
0...inner layer, 11...outer layer.
Claims (1)
ツクスよりなるライナ部材を配したシリンダヘツ
ドの排気通路構造において、前記周壁面と前面ラ
イナ部材との間に、金属多孔質体よりなる断熱緩
衝層を介在させたことを特徴とするシリンダヘツ
ドの排気通路構造。 (2) 前記金属多孔質体が、金属ハニカム構造体
であることを特徴とする実用新案登録請求の範囲
第１項記載のシリンダヘツドの排気通路構造。 (3) 前記金属多孔質体が、発泡金属であること
を特徴とする実用新案登録請求の範囲第１項記載
のシリンダヘツドの排気通路構造。[Claims for Utility Model Registration] (1) In a cylinder head exhaust passage structure in which a liner member made of ceramics is disposed on the peripheral wall surface of the exhaust passage of the cylinder head, a metal porous material is provided between the peripheral wall surface and the front liner member. A cylinder head exhaust passage structure characterized by interposing a heat insulating buffer layer consisting of a cylinder head. (2) The exhaust passage structure of a cylinder head according to claim 1, wherein the metal porous body is a metal honeycomb structure. (3) The exhaust passage structure of a cylinder head according to claim 1, wherein the metal porous body is a foamed metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177864U JPH0183150U (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177864U JPH0183150U (en) | 1987-11-20 | 1987-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0183150U true JPH0183150U (en) | 1989-06-02 |
Family
ID=31469515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177864U Pending JPH0183150U (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0183150U (en) |
-
1987
- 1987-11-20 JP JP1987177864U patent/JPH0183150U/ja active Pending