JPS6319012U - - Google Patents
Info
- Publication number
- JPS6319012U JPS6319012U JP11328086U JP11328086U JPS6319012U JP S6319012 U JPS6319012 U JP S6319012U JP 11328086 U JP11328086 U JP 11328086U JP 11328086 U JP11328086 U JP 11328086U JP S6319012 U JPS6319012 U JP S6319012U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- stem
- ceramic
- utility
- holding structure
- 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
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
Landscapes
- Ceramic Products (AREA)
Description
第１図ないし第４図は、この考案の第１実施例
を示し第１図は全体の破断正面図、第２図はコツ
タの縦断面図、第３図はリテーナの断面図、第４
図はエンジンに適用した縦断面図、第５図ないし
第１３図はこの発明の第２および第１０実施例を
それぞれ示す要部の断面図、第１４図は従来のコ
ツタを示す図である。
図中、１……セラミツクバルブ、１ｂ……ステ
ム、１ａ……弁体、２……溝、３……コツタ、３
ａ……突条部、４……リテーナ、８……排気路、
１５……吸気路、５０……応力緩衝層。
Figures 1 to 4 show a first embodiment of this invention; Figure 1 is an overall cutaway front view, Figure 2 is a vertical sectional view of the cotter, Figure 3 is a sectional view of the retainer, and Figure 4 is a cross-sectional view of the retainer.
The figure is a longitudinal cross-sectional view of the engine, FIGS. 5 to 13 are cross-sectional views of essential parts showing second and tenth embodiments of the invention, respectively, and FIG. 14 is a view showing a conventional cotter. In the figure, 1...Ceramic valve, 1b...Stem, 1a...Valve body, 2...Groove, 3...Kotta, 3
a... Protrusion portion, 4... Retainer, 8... Exhaust path,
15...Intake path, 50...Stress buffer layer.
Claims (1)
うセラミツク製バルブのステムをコツタを介して
リテーナの装着穴に楔作用により支持したものに
おいて、 前記バルブのステムと前記コツタとが互いに接
触する部分のうち少なくとも一方が薄肉な耐熱性
の応力緩衝層を被着したことを特徴とするセラミ
ツク製バルブ保持構造。 (2) 前記バルブのステムの外表面と前記コツタ
の内表面のうち少なくとも一方に前記応力緩衝層
を被着していることを特徴とする実用新案登録請
求の範囲第１項に記載のセラミツク製バルブ保持
構造。 (3) 前記応力緩衝層の厚さは、少なくとも５ミ
クロンのオーダを下らないように設定されている
ことを特徴とする実用新案請求の範囲第１項また
は第２項に記載のセラミツク製バルブ保持構造。 (4) 前記バルブのステムの外表面と前記コツタ
の内表面は双方とも前記応力緩衝層を被着してい
ることを特徴とする実用新案登録請求の範囲第１
項に記載のセラミツク製バルブ保持構造。[Scope of Claim for Utility Model Registration] (1) A stem of a ceramic valve for intake or exhaust air in an engine combustion chamber is supported by a wedge action in a mounting hole of a retainer via a cotter, the stem of the valve and the cotter. 1. A ceramic valve holding structure characterized in that at least one of the portions where the two contact each other is coated with a thin heat-resistant stress buffering layer. (2) The ceramic device according to claim 1, wherein the stress buffering layer is applied to at least one of the outer surface of the stem of the valve and the inner surface of the valve stem. Valve retention structure. (3) The ceramic valve holding structure according to claim 1 or 2 of the utility model, wherein the thickness of the stress buffer layer is set to be on the order of at least 5 microns. . (4) Utility model registration claim 1, characterized in that the outer surface of the stem of the valve and the inner surface of the stem are both coated with the stress buffer layer.
Ceramic valve holding structure as described in section.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328086U JPS6319012U (en) | 1986-07-23 | 1986-07-23 | |
| DE3750632T DE3750632T2 (en) | 1986-06-12 | 1987-06-12 | Arrangement for ceramic valve. |
| EP87305262A EP0249503B1 (en) | 1986-06-12 | 1987-06-12 | Ceramic valve arrangement |
| US07/062,138 US4838218A (en) | 1986-06-12 | 1987-06-12 | Ceramic valve supporting structure in use for internal combustion engine |
| EP90108358A EP0387922B1 (en) | 1986-06-12 | 1987-06-12 | Ceramic valve arrangement |
| EP93101907A EP0543798B1 (en) | 1986-06-12 | 1987-06-12 | Ceramic valve arrangement |
| DE8787305262T DE3777456D1 (en) | 1986-06-12 | 1987-06-12 | ARRANGEMENT FOR CERAMIC VALVE. |
| DE3751459T DE3751459T2 (en) | 1986-06-12 | 1987-06-12 | Arrangement for ceramic valve. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328086U JPS6319012U (en) | 1986-07-23 | 1986-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6319012U true JPS6319012U (en) | 1988-02-08 |
Family
ID=30994935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11328086U Pending JPS6319012U (en) | 1986-06-12 | 1986-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6319012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107707U (en) * | 1989-02-13 | 1990-08-28 |
-
1986
- 1986-07-23 JP JP11328086U patent/JPS6319012U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02107707U (en) * | 1989-02-13 | 1990-08-28 |
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