JPS62101086U - - Google Patents
Info
- Publication number
- JPS62101086U JPS62101086U JP19214885U JP19214885U JPS62101086U JP S62101086 U JPS62101086 U JP S62101086U JP 19214885 U JP19214885 U JP 19214885U JP 19214885 U JP19214885 U JP 19214885U JP S62101086 U JPS62101086 U JP S62101086U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- side wall
- communication path
- inlet
- outlet
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
第１図は本考案によるルーツポンプの断面図、
第２図は第１図のルーツポンプの斜視図、第３図
及び第４図はそれぞれロータが異つた状態にある
ところを示す第１図と同様の図である。
１０ａ……ハウジング側壁、１２……ロータ、
２６……小孔、２８……連通路、３０……弁。
Figure 1 is a cross-sectional view of the Roots pump according to the present invention.
FIG. 2 is a perspective view of the Roots pump of FIG. 1, and FIGS. 3 and 4 are views similar to FIG. 1 showing the rotor in different positions. 10a...Housing side wall, 12...Rotor,
26...Small hole, 28...Communication path, 30...Valve.
Claims (1)
の二葉状ロータを収めてなるルーツポンプにおい
て、前記吸入口と吐出口との間においてそれぞれ
のロータと協働すべく形成されたハウジング側壁
に小孔を設け、該小孔と前記吐出口とを連結する
連通路を形成するとともに、該連通路に、前記ハ
ウジング側壁とロータとによつて閉じ込め空間が
形成されたときに開弁する弁装置を配置したこと
を特徴とするルーツポンプの逆流防止装置。 In a Roots pump comprising a pair of bilobal rotors housed in a housing having an inlet and an outlet, a small housing side wall is formed between the inlet and the outlet to cooperate with each rotor. A hole is provided to form a communication path connecting the small hole and the discharge port, and a valve device that opens when a confined space is formed by the housing side wall and the rotor is provided in the communication path. A roots pump backflow prevention device characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19214885U JPS62101086U (en) | 1985-12-16 | 1985-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19214885U JPS62101086U (en) | 1985-12-16 | 1985-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62101086U true JPS62101086U (en) | 1987-06-27 |
Family
ID=31146953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19214885U Pending JPS62101086U (en) | 1985-12-16 | 1985-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62101086U (en) |
-
1985
- 1985-12-16 JP JP19214885U patent/JPS62101086U/ja active Pending