JPH01124056U - - Google Patents
Info
- Publication number
- JPH01124056U JPH01124056U JP1756488U JP1756488U JPH01124056U JP H01124056 U JPH01124056 U JP H01124056U JP 1756488 U JP1756488 U JP 1756488U JP 1756488 U JP1756488 U JP 1756488U JP H01124056 U JPH01124056 U JP H01124056U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- recess
- plasma spraying
- engine
- intake
- 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
- 238000007750 plasma spraying Methods 0.000 claims 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims 1
- 229910001120 nichrome Inorganic materials 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例の下面図を示し、
第２図は第１図のＡ―Ａ断面の断面図を示す。
１……シリンダヘツド下面、２……吸気弁シー
ト、３……排気弁シート、４，５，６，７……ブ
リツジ部の凹部、８……アンダコート層、９……
断熱層。
FIG. 1 shows a bottom view of an embodiment of this invention.
FIG. 2 shows a cross-sectional view taken along the line AA in FIG. 1. DESCRIPTION OF SYMBOLS 1... Lower surface of cylinder head, 2... Intake valve seat, 3... Exhaust valve seat, 4, 5, 6, 7... Recessed portion of bridge portion, 8... Undercoat layer, 9...
insulation layer.
Claims (1)
気シート間即ちブリツジ部を深さ１mm以下の凹部
を機械加工して成形し、該凹部にＮｉＣｒ等の耐
熱合金を、厚さ０．０５〜０．１mmになるように
プラズマ溶射してアンダコート層を作り、該アン
ダーコート層の上にＺｒＯ２を主成分としＹ２Ｏ
３又はＣａＯ２あるいはＭｇＯ２を安定材として
添加したセラミツクをプラズマ溶射して成るエン
ジンのシリンダヘツド。 In the cylinder head of an engine, a recess with a depth of 1 mm or less is machined between each intake and exhaust seat, that is, the bridge part, and a heat-resistant alloy such as NiCr is applied to the recess to a thickness of 0.05 to 0.1 mm. An undercoat layer is formed by plasma spraying so that ZrO 2 is the main component and Y 2 O
An engine cylinder head made by plasma spraying ceramic to which CaO 2 or MgO 2 is added as a stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1756488U JPH01124056U (en) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1756488U JPH01124056U (en) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01124056U true JPH01124056U (en) | 1989-08-23 |
Family
ID=31231458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1756488U Pending JPH01124056U (en) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01124056U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4722005U (en) * | 1971-03-24 | 1972-11-11 | ||
| JPS57191274A (en) * | 1981-05-21 | 1982-11-25 | Ngk Insulators Ltd | Engine part |
| JPS61169241A (en) * | 1985-01-23 | 1986-07-30 | トヨタ自動車株式会社 | Heat-insulating member |
| JPS6252174A (en) * | 1986-04-05 | 1987-03-06 | 日本碍子株式会社 | Engine part |
-
1988
- 1988-02-15 JP JP1756488U patent/JPH01124056U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4722005U (en) * | 1971-03-24 | 1972-11-11 | ||
| JPS57191274A (en) * | 1981-05-21 | 1982-11-25 | Ngk Insulators Ltd | Engine part |
| JPS61169241A (en) * | 1985-01-23 | 1986-07-30 | トヨタ自動車株式会社 | Heat-insulating member |
| JPS6252174A (en) * | 1986-04-05 | 1987-03-06 | 日本碍子株式会社 | Engine part |
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