JPS63173660U - - Google Patents
Info
- Publication number
- JPS63173660U JPS63173660U JP6259987U JP6259987U JPS63173660U JP S63173660 U JPS63173660 U JP S63173660U JP 6259987 U JP6259987 U JP 6259987U JP 6259987 U JP6259987 U JP 6259987U JP S63173660 U JPS63173660 U JP S63173660U
- Authority
- JP
- Japan
- Prior art keywords
- plug body
- resistance wire
- heating resistance
- rear end
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 6
Landscapes
- Resistance Heating (AREA)
Description
第１図はこの考案の一実施例を示すもので、第
１図Ａはその縦断面図、第１図Ｂ，Ｃはそれぞれ
第１図ＡのＢ―Ｂ矢視Ｃ―Ｃ矢視断面図、第２図
はこの考案の他の実施例を示すもので、第２図Ａ
はその縦断面図、第２図Ｂは第２図ＡのＢ―Ｂ矢
視断面図、第３図は従来のセラミツクグロープラ
グの一例を示す縦断面図である。
１１……プラグ本体、１２，１３……電極端子
、１７……第１の発熱抵抗線、１８……第２の発
熱抵抗線。
Fig. 1 shows an embodiment of this invention, Fig. 1 A is a longitudinal sectional view thereof, and Fig. 1 B and C are sectional views taken along the line B-B and C-C in Fig. 1 A, respectively. , Fig. 2 shows another embodiment of this invention, Fig. 2 A
2B is a longitudinal sectional view thereof, FIG. 2B is a sectional view taken along the line BB in FIG. 2A, and FIG. 3 is a longitudinal sectional view showing an example of a conventional ceramic glow plug. DESCRIPTION OF SYMBOLS 11... Plug body, 12, 13... Electrode terminal, 17... First heat generating resistance wire, 18... Second heat generating resistance wire.
Claims (1)
プラグ本体の後端部に設けられた２つの電極端子
と、前記プラグ本体の内部にそれぞれ設けられた
第１および第２の発熱抵抗線とを備え、前記第１
の発熱抵抗線は前記第２の発熱抵抗線より正の抵
抗温度係数が小さくなされたセラミツクグロープ
ラグにおいて、前記第１の発熱抵抗線を、その中
間部が前記プラグ本体の先端部に位置し、かつ両
端部が前記プラグ本体の後端部に位置するように
配設するとともに、前記第２の発熱抵抗線を、そ
の中間部が前記第１の発熱抵抗線の中間部と両端
部との間に位置し、かつ両端部が前記プラグ本体
の後端部に位置するように配設し、第１、第２の
発熱抵抗線のそれぞれの一方の端部を前記２つの
電極端子のいずれかにそれぞれ接続し、それぞれ
の他方の端部を互いに接続したことを特徴とする
セラミツクグロープラグ。 comprising a rod-shaped ceramic plug body, two electrode terminals provided at the rear end of the plug body, and first and second heating resistance wires each provided inside the plug body, Said first
In a ceramic glow plug in which the heating resistance wire has a smaller positive temperature coefficient of resistance than the second heating resistance wire, the first heating resistance wire is connected to the first heating resistance wire, and an intermediate portion thereof is located at the tip of the plug body; and the second heat generating resistance wire is arranged such that both ends are located at the rear end of the plug body, and the middle part thereof is between the middle part of the first heat generating resistance wire and both ends. and both ends thereof are located at the rear end of the plug body, and one end of each of the first and second heating resistance wires is connected to either of the two electrode terminals. A ceramic glow plug characterized in that they are connected to each other, and their other ends are connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6259987U JPS63173660U (en) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6259987U JPS63173660U (en) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173660U true JPS63173660U (en) | 1988-11-10 |
Family
ID=30897026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6259987U Pending JPS63173660U (en) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015218953A (en) * | 2014-05-16 | 2015-12-07 | 日本特殊陶業株式会社 | Glow plug with combustion pressure detection sensor |
-
1987
- 1987-04-27 JP JP6259987U patent/JPS63173660U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015218953A (en) * | 2014-05-16 | 2015-12-07 | 日本特殊陶業株式会社 | Glow plug with combustion pressure detection sensor |
| US10244583B2 (en) | 2014-05-16 | 2019-03-26 | Ngk Spark Plug Co., Ltd. | Glow plug with combustion pressure sensor |
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