JPS6256954U - - Google Patents
Info
- Publication number
- JPS6256954U JPS6256954U JP14578885U JP14578885U JPS6256954U JP S6256954 U JPS6256954 U JP S6256954U JP 14578885 U JP14578885 U JP 14578885U JP 14578885 U JP14578885 U JP 14578885U JP S6256954 U JPS6256954 U JP S6256954U
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- glow plug
- metal outer
- ceramic
- heater
- 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 12
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Description
第１図は本考案セラミツクグロープラグの実施
例における要部を示す縦断面、第２図は本考案セ
ラミツクグロープラグの実施例におけるセラミツ
クヒーターと金属外筒との接合手段説明図、第３
図は本考案を適用した自己制御型セラミツクグロ
ープラグの昇温特性、第４図はセラミツクグロー
プラグの従来例における要部を示す縦断面図、第
５図はグロープラグのエンジン副室に装着された
状態の説明図である。
１：セラミツクグロープラグ、４：セラミツク
ヒーター、５：金属外筒、６：取付金具、７ｃ：
ガラス封着、７ｄ：ろう接、８：エンジンの副室
。
Fig. 1 is a longitudinal section showing the main parts of an embodiment of the ceramic glow plug of the present invention, Fig. 2 is an explanatory diagram of the means for joining the ceramic heater and the metal outer cylinder in the embodiment of the ceramic glow plug of the present invention, and Fig. 3
The figure shows the temperature rise characteristics of a self-controlling ceramic glow plug to which the present invention is applied, Figure 4 is a vertical cross-sectional view showing the main parts of a conventional ceramic glow plug, and Figure 5 shows the glow plug installed in the subchamber of the engine. FIG. 1: Ceramic glow plug, 4: Ceramic heater, 5: Metal outer cylinder, 6: Mounting bracket, 7c:
Glass sealing, 7d: Brazing, 8: Engine subchamber.
Claims (1)
に埋設されて成るセラミツクヒーターが、その外
側に嵌装された金属外筒の内腔に先端部を露出し
て接合され、該金属外筒が取付金具の先端部内腔
に接合されて成るセラミツクグロープラグにおい
て、前記金属外筒内面とヒーター外周との接合部
が、グロープラグとしてエンジンの副室に装着さ
れたときの副室内に突出する先端側部分にはガラ
ス材を用いて封着され、その後端側部分には銀ろ
う材を用いてろう接されてなることを特徴とする
セラミツクグロープラグ。 (2) 上記金属外筒内面とヒーター外周との接合
部におけるガラス材による封着部分の長さが金属
外筒の長さの２／３以下である実用新案登録請求
の範囲第１項記載のセラミツクグロープラグ。[Claims for Utility Model Registration] (1) A ceramic heater in which a heating wire of a high-melting point metal is embedded in a ceramic sintered body, the tip of which is exposed in the inner cavity of a metal outer cylinder fitted on the outside. In the ceramic glow plug in which the metal outer cylinder is joined to the inner cavity of the tip of the mounting fitting, the joint part between the inner surface of the metal outer cylinder and the outer periphery of the heater is installed as a glow plug in the subchamber of the engine. 1. A ceramic glow plug characterized in that a front end portion protruding into a subchamber when opened is sealed using a glass material, and a rear end portion is soldered using a silver brazing material. (2) The utility model registration claim described in paragraph 1, wherein the length of the sealed part made of glass material at the joint between the inner surface of the metal outer cylinder and the outer periphery of the heater is 2/3 or less of the length of the metal outer cylinder. Ceramic glow plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14578885U JPS6256954U (en) | 1985-09-26 | 1985-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14578885U JPS6256954U (en) | 1985-09-26 | 1985-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6256954U true JPS6256954U (en) | 1987-04-08 |
Family
ID=31057646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14578885U Pending JPS6256954U (en) | 1985-09-26 | 1985-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6256954U (en) |
-
1985
- 1985-09-26 JP JP14578885U patent/JPS6256954U/ja active Pending
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