JPS60190953U - Insulation structure of intake/exhaust ports - Google Patents
Insulation structure of intake/exhaust portsInfo
- Publication number
- JPS60190953U JPS60190953U JP7802684U JP7802684U JPS60190953U JP S60190953 U JPS60190953 U JP S60190953U JP 7802684 U JP7802684 U JP 7802684U JP 7802684 U JP7802684 U JP 7802684U JP S60190953 U JPS60190953 U JP S60190953U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- exhaust port
- insulation structure
- heat
- steel sleeve
- 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
Landscapes
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の実施例を示すシリンダヘッドの縦断面図
、第２図は本考案によるシリンダヘッドの断面図、第３
図は本考案によるリング状ビードを形成したスリーブの
斜視図である。
図中、１・・・・・・シリンダーヘッド、２・・・・・
・吸・排気ポート、３・・・・・・ウォータージャケッ
ト、６・・・・・・鋼製スリーブ、６ａ・・・・・・フ
ランジ、６ｂ・・・・・・リング状ビード、７・・・・
・・空気層。FIG. 1 is a vertical sectional view of a cylinder head showing a conventional embodiment, FIG. 2 is a sectional view of a cylinder head according to the present invention, and FIG. 3 is a sectional view of a cylinder head according to the present invention.
The figure is a perspective view of a sleeve formed with a ring-shaped bead according to the present invention. In the diagram, 1... cylinder head, 2...
・Suction/exhaust port, 3...Water jacket, 6...Steel sleeve, 6a...Flange, 6b...Ring-shaped bead, 7...・・・
...air layer.
Claims (1)
トの内面に、耐熱鋼製スリーブの長さに相当する肉抜き
部を形成するとともに、上記耐熱鋼製スリーブの一端側
に少なくとも一条以上のリング状ビードを外側に突出し
て形成し、上記吸気および排気ポートの内壁面と、上記
吸気および排気ポートの肉抜き部に圧入された耐熱鋼製
スリーブとの間に空気層を形成したことを特徴とする吸
・排気ポートの断熱構造。A hollowed out portion corresponding to the length of the heat-resistant steel sleeve is formed on the inner surface of the intake or exhaust port in the cylinder head of the engine, and at least one ring-shaped bead is formed on one end of the heat-resistant steel sleeve on the outside. An intake/exhaust port characterized in that the intake/exhaust port is formed in a protruding manner to form an air layer between the inner wall surface of the intake/exhaust port and a heat-resistant steel sleeve press-fitted into the hollowed-out portion of the intake/exhaust port. insulation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7802684U JPS60190953U (en) | 1984-05-29 | 1984-05-29 | Insulation structure of intake/exhaust ports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7802684U JPS60190953U (en) | 1984-05-29 | 1984-05-29 | Insulation structure of intake/exhaust ports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60190953U true JPS60190953U (en) | 1985-12-18 |
Family
ID=30621632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7802684U Pending JPS60190953U (en) | 1984-05-29 | 1984-05-29 | Insulation structure of intake/exhaust ports |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60190953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008144740A (en) * | 2006-12-13 | 2008-06-26 | Toyota Motor Corp | Internal combustion engine |
| JP2015169096A (en) * | 2014-03-05 | 2015-09-28 | 日産自動車株式会社 | Internal combustion engine intake port structure |
-
1984
- 1984-05-29 JP JP7802684U patent/JPS60190953U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008144740A (en) * | 2006-12-13 | 2008-06-26 | Toyota Motor Corp | Internal combustion engine |
| JP4655033B2 (en) * | 2006-12-13 | 2011-03-23 | トヨタ自動車株式会社 | Internal combustion engine |
| JP2015169096A (en) * | 2014-03-05 | 2015-09-28 | 日産自動車株式会社 | Internal combustion engine intake port structure |
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