JPS6314884U - - Google Patents
Info
- Publication number
- JPS6314884U JPS6314884U JP10794286U JP10794286U JPS6314884U JP S6314884 U JPS6314884 U JP S6314884U JP 10794286 U JP10794286 U JP 10794286U JP 10794286 U JP10794286 U JP 10794286U JP S6314884 U JPS6314884 U JP S6314884U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- teeth
- vacuum pump
- type vacuum
- rotor
- 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
Description
第１図は本考案の一実施例によるスクリユー式
真空ポンプのスクリユーロータを示す正面図であ
る。第２図は、従来のスクリユー式真空ポンプの
スクリユーロータを示す斜視図である。第３図は
、第１図に示したスクリユーロータの左側面図で
ある。第４図は、第１図に示したスクリユーロー
タのスクリユー歯の噛み合せ付近を示す断面図で
ある。第５図は、本考案の他の実施例によるスク
リユーロータを示す部分断面図である。
２０……右スクリユーロータ、２２，２６，３
２……スクリユー歯、２４……左スクリユーロー
タ、２８，３０……軸線、ｌ……微小間隙。
FIG. 1 is a front view showing a screw rotor of a screw type vacuum pump according to an embodiment of the present invention. FIG. 2 is a perspective view showing a screw rotor of a conventional screw type vacuum pump. 3 is a left side view of the screw rotor shown in FIG. 1. FIG. FIG. 4 is a sectional view showing the vicinity of the engagement of the screw teeth of the screw rotor shown in FIG. 1. FIG. 5 is a partial sectional view showing a screw rotor according to another embodiment of the present invention. 20...Right screw rotor, 22, 26, 3
2... Screw tooth, 24... Left screw rotor, 28, 30... Axis line, l... Minute gap.
Claims (1)
し、それらの歯を互いに微小間隙を保つて噛み合
せ、各ロータを逆方向に回転させるスクリユー式
真空ポンプにおいて、上記各ロータにスクリユー
歯を１条ないし２条設け、それらの各スクリユー
歯の横断面を方形状にすることを特徴とするスク
リユー式真空ポンプ。 In a screw type vacuum pump, two rotors having screw teeth are arranged in parallel, the teeth are meshed with each other with a minute gap, and each rotor rotates in opposite directions. Each rotor has one or two screw teeth. A screw-type vacuum pump characterized in that the cross section of each screw tooth is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10794286U JPS6314884U (en) | 1986-07-14 | 1986-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10794286U JPS6314884U (en) | 1986-07-14 | 1986-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6314884U true JPS6314884U (en) | 1988-01-30 |
Family
ID=30984683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10794286U Pending JPS6314884U (en) | 1986-07-14 | 1986-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6314884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0366609U (en) * | 1989-11-02 | 1991-06-28 | ||
| KR101184716B1 (en) * | 2005-08-22 | 2012-09-20 | 가시야마고교가부시끼가이샤 | Screw rotor and vacuum pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320109A (en) * | 1976-08-07 | 1978-02-24 | Ebara Corp | Rotor and fluid machine utilizing the same |
| JPS5543288A (en) * | 1978-09-20 | 1980-03-27 | Beyeler Johann | Screw pump with rotary piston |
-
1986
- 1986-07-14 JP JP10794286U patent/JPS6314884U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320109A (en) * | 1976-08-07 | 1978-02-24 | Ebara Corp | Rotor and fluid machine utilizing the same |
| JPS5543288A (en) * | 1978-09-20 | 1980-03-27 | Beyeler Johann | Screw pump with rotary piston |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0366609U (en) * | 1989-11-02 | 1991-06-28 | ||
| KR101184716B1 (en) * | 2005-08-22 | 2012-09-20 | 가시야마고교가부시끼가이샤 | Screw rotor and vacuum pump |