JPS63139366U - - Google Patents
Info
- Publication number
- JPS63139366U JPS63139366U JP3240887U JP3240887U JPS63139366U JP S63139366 U JPS63139366 U JP S63139366U JP 3240887 U JP3240887 U JP 3240887U JP 3240887 U JP3240887 U JP 3240887U JP S63139366 U JPS63139366 U JP S63139366U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- valve box
- valve
- magnetic fluid
- hole
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は本考案の別の実施例を示す断面図である。
１，２……弁箱本体、３……ボール、６……磁
石、９……磁性流体。
FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing another embodiment of the invention. 1, 2... Valve box body, 3... Ball, 6... Magnet, 9... Magnetic fluid.
Claims (1)
弁箱の上部に装着されて前記ボールと係合する弁
棒を９０度回転することにより弁箱内を流れる流
体の開閉を行なうボール弁において、前記弁箱を
非磁性体で形成し、少なくとも前記ボールの下流
側位置で弁箱内とシールする前記ボール貫通口周
囲の表面に磁性流体を配置し、該表面に対向して
弁箱内壁に密封して前記磁性流体を保持する環状
の磁石を設けたことを特徴とするボール弁。 In a ball valve in which a ball having a through hole is disposed inside the valve box, and a valve stem that is attached to the upper part of the valve box and engages with the ball is rotated 90 degrees to open and close fluid flowing inside the valve box. , the valve box is formed of a non-magnetic material, a magnetic fluid is arranged on a surface around the ball through-hole that seals with the inside of the valve box at least at a downstream position of the ball, and a magnetic fluid is arranged on an inner wall of the valve box opposite to the surface. A ball valve comprising an annular magnet that holds the magnetic fluid in a sealed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3240887U JPS63139366U (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3240887U JPS63139366U (en) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139366U true JPS63139366U (en) | 1988-09-13 |
Family
ID=30839058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3240887U Pending JPS63139366U (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139366U (en) |
-
1987
- 1987-03-05 JP JP3240887U patent/JPS63139366U/ja active Pending
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