JPH0374493U - - Google Patents
Info
- Publication number
- JPH0374493U JPH0374493U JP13552489U JP13552489U JPH0374493U JP H0374493 U JPH0374493 U JP H0374493U JP 13552489 U JP13552489 U JP 13552489U JP 13552489 U JP13552489 U JP 13552489U JP H0374493 U JPH0374493 U JP H0374493U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- metal
- hollow cylindrical
- cylindrical envelope
- electrodes
- 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
- 239000002184 metal Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000005394 sealing glass Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の点火装置用定電圧放電管の実
施例である縦断面図、第２図は、、本考案の定電
圧放電管の電極の第１の実施例であり、同図イは
縦断面図、同図ロは上面図、同図ハは外観図、第
３図は本考案の定電圧放電管の電極の第２の実施
例である縦断面図、第４図は本考案の定電圧放電
管の電極の第３の実施例である縦断面図、第５図
は本考案の定電圧放電管の電極の第４の実施例で
ある縦断面図、第６図は実願昭６３−１２６６５
４号に係る点火装置用定電圧放電管の縦断面図で
ある。
１……中空円筒外囲器、２……第１の金属封塞
体、３……第２の金属封塞体、４……第１の電極
、５……第２の電極、６……封着ガラス、７……
中空部、８……先端部、９……基部。
Fig. 1 is a longitudinal cross-sectional view of an embodiment of the constant voltage discharge tube for an ignition device of the present invention, and Fig. 2 is a first embodiment of the electrode of the constant voltage discharge tube of the present invention. Figure 3 is a vertical cross-sectional view of the second embodiment of the electrode of the constant voltage discharge tube of the present invention, Figure 4 is the constant voltage discharge tube of the present invention. FIG. 5 is a vertical cross-sectional view showing a third embodiment of the electrode for a discharge tube, FIG. 5 is a vertical cross-sectional view showing a fourth example of the electrode for a constant voltage discharge tube of the present invention, and FIG.
FIG. 4 is a longitudinal cross-sectional view of a constant voltage discharge tube for an ignition device according to No. 4. DESCRIPTION OF SYMBOLS 1... Hollow cylindrical envelope, 2... First metal enclosure, 3... Second metal enclosure, 4... First electrode, 5... Second electrode, 6... Sealing glass, 7...
Hollow part, 8...tip part, 9...base part.
Claims (1)
ツク等の絶縁材料よりなる中空円筒外囲器と、前
記中空円筒外囲器の両端開口を封塞する第１と第
２の金属封塞体と、前記第１と第２の金属封塞体
に取り付けられる第１と第２の電極とを備え、前
記第１の第２の電極の少なくとも一方は金属粉末
をプレス成型して焼結され、半球状の先端部と、
この先端部に連設した部分が前記先端部の底面積
より大きい面積を有し前記金属封塞体に固着され
る基部とからなり、前記半球状の先端部が一部と
して形成される球の中心を前記基部の内部に位置
させてなる点火装置用定電圧放電管。 A hollow cylindrical envelope having a hollow portion filled with an inert gas and made of an insulating material such as ceramic, and first and second metal sealing bodies that close openings at both ends of the hollow cylindrical envelope. and first and second electrodes attached to the first and second metal enclosures, at least one of the first and second electrodes is press-molded and sintered from metal powder, a hemispherical tip,
The part connected to the tip has a base area larger than the bottom area of the tip and is fixed to the metal sealing body, and the hemispherical tip is a part of the sphere. A constant voltage discharge tube for an ignition device, the center of which is located inside the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13552489U JPH0711431Y2 (en) | 1989-11-22 | 1989-11-22 | Constant voltage discharge tube for ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13552489U JPH0711431Y2 (en) | 1989-11-22 | 1989-11-22 | Constant voltage discharge tube for ignition device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374493U true JPH0374493U (en) | 1991-07-26 |
| JPH0711431Y2 JPH0711431Y2 (en) | 1995-03-15 |
Family
ID=31682791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13552489U Expired - Fee Related JPH0711431Y2 (en) | 1989-11-22 | 1989-11-22 | Constant voltage discharge tube for ignition device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711431Y2 (en) |
-
1989
- 1989-11-22 JP JP13552489U patent/JPH0711431Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0711431Y2 (en) | 1995-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |