JPH0341193U - - Google Patents
Info
- Publication number
- JPH0341193U JPH0341193U JP9930689U JP9930689U JPH0341193U JP H0341193 U JPH0341193 U JP H0341193U JP 9930689 U JP9930689 U JP 9930689U JP 9930689 U JP9930689 U JP 9930689U JP H0341193 U JPH0341193 U JP H0341193U
- Authority
- JP
- Japan
- Prior art keywords
- double cylinder
- concentric double
- rotating concentric
- cylinder
- screw groove
- 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
Landscapes
- Non-Positive Displacement Air Blowers (AREA)
Description
第１図は本考案になる真空ポンプの一実施例を
示す縦断面図、第２図は従来の真空ポンプを示す
縦断面図である。
図において、１……円筒、５……円筒状ロータ
、７……モータ、８……インペラである。
FIG. 1 is a longitudinal sectional view showing an embodiment of the vacuum pump of the present invention, and FIG. 2 is a longitudinal sectional view showing a conventional vacuum pump. In the figure, 1... cylinder, 5... cylindrical rotor, 7... motor, 8... impeller.
Claims (1)
形成し、該二重円筒の内・外周間隙に回転する同
心二重円筒を挿入して、回転する同心二重円筒と
回転しない円心二重円筒のネジ溝作用により、空
気を排気することを特徴とした多段式ネジ溝形真
空ポンプ。 Thread grooves are formed on the inner and outer peripheries of a non-rotating concentric double cylinder, and a rotating concentric double cylinder is inserted into the gap between the inner and outer circumferences of the double cylinder to separate the rotating concentric double cylinder and the non-rotating concentric double cylinder. A multi-stage screw groove type vacuum pump characterized by exhausting air through the screw groove action of a heavy cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9930689U JPH0341193U (en) | 1989-08-25 | 1989-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9930689U JPH0341193U (en) | 1989-08-25 | 1989-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0341193U true JPH0341193U (en) | 1991-04-19 |
Family
ID=31648365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9930689U Pending JPH0341193U (en) | 1989-08-25 | 1989-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341193U (en) |
-
1989
- 1989-08-25 JP JP9930689U patent/JPH0341193U/ja active Pending