JPS6431362U - - Google Patents
Info
- Publication number
- JPS6431362U JPS6431362U JP12308587U JP12308587U JPS6431362U JP S6431362 U JPS6431362 U JP S6431362U JP 12308587 U JP12308587 U JP 12308587U JP 12308587 U JP12308587 U JP 12308587U JP S6431362 U JPS6431362 U JP S6431362U
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- ceramic heater
- ceramic
- metal outer
- glow plug
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 2
- 238000005219 brazing Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Description
第１図はこの考案の一実施例のセラミツクグロ
ープラグの断面図、第２図は従来のセラミツクグ
ロープラグの断面図、第３図はセラミツクヒータ
にガラスコーテイングした場合とそうでない場合
のセラミツクヒータの抗折強度を示す説明図、第
４図は第３図の抗折強度を計測するための実験装
置を示す模式図である。
１……セラミツクヒータ、３……金属外筒、３
ａ……先端側端部、７……ホウケイ酸ガラス。
Fig. 1 is a sectional view of a ceramic glow plug according to an embodiment of this invention, Fig. 2 is a sectional view of a conventional ceramic glow plug, and Fig. 3 is a sectional view of a ceramic heater with and without glass coating. FIG. 4 is a schematic diagram showing an experimental apparatus for measuring the bending strength shown in FIG. 3. 1...Ceramic heater, 3...Metal outer cylinder, 3
a... Tip side end portion, 7... Borosilicate glass.
Claims (1)
持され、セラミツクヒータ周囲にガラス層を形成
して金属外筒とセラミツクヒータとをろう付けに
より相互に接合してなるセラミツクグロープラグ
において、前記ガラス層を金属外筒のセラミツク
ヒータ先端側端部付近より内方側の金属外筒に対
向する部位に形成したことを特徴とするセラミツ
クグロープラグ。 In a ceramic glow plug, a ceramic heater is supported protruding from a metal outer cylinder, a glass layer is formed around the ceramic heater, and the metal outer cylinder and the ceramic heater are bonded to each other by brazing. A ceramic glow plug characterized in that the outer cylinder is formed at a portion facing a metal outer cylinder on the inward side from the vicinity of the tip end of the ceramic heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987123085U JPH0810750Y2 (en) | 1987-08-13 | 1987-08-13 | Ceramic glow plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987123085U JPH0810750Y2 (en) | 1987-08-13 | 1987-08-13 | Ceramic glow plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431362U true JPS6431362U (en) | 1989-02-27 |
| JPH0810750Y2 JPH0810750Y2 (en) | 1996-03-29 |
Family
ID=31371613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987123085U Expired - Lifetime JPH0810750Y2 (en) | 1987-08-13 | 1987-08-13 | Ceramic glow plug |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0810750Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216125A (en) * | 1984-04-12 | 1985-10-29 | Ngk Spark Plug Co Ltd | Two-wire type ceramic glow plug |
-
1987
- 1987-08-13 JP JP1987123085U patent/JPH0810750Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216125A (en) * | 1984-04-12 | 1985-10-29 | Ngk Spark Plug Co Ltd | Two-wire type ceramic glow plug |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0810750Y2 (en) | 1996-03-29 |