JPS6234181U - - Google Patents
Info
- Publication number
- JPS6234181U JPS6234181U JP12573085U JP12573085U JPS6234181U JP S6234181 U JPS6234181 U JP S6234181U JP 12573085 U JP12573085 U JP 12573085U JP 12573085 U JP12573085 U JP 12573085U JP S6234181 U JPS6234181 U JP S6234181U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- atmospheric
- diaphragm
- vacuum pump
- passage
- 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
- Reciprocating Pumps (AREA)
Description
図面は本考案の実施例の截断側面図である。
１……ポンプケース、２……ダイヤフラム、８
……ポンプ室、９……大気通路、１０……大気吸
込経路、１１……開閉弁。
The drawing is a cutaway side view of an embodiment of the present invention. 1...Pump case, 2...Diaphragm, 8
...Pump room, 9...Atmospheric passage, 10...Atmospheric suction path, 11...Opening/closing valve.
Claims (1)
設け、その往復動で容積が可変するポンプ室を形
成するようにしたものに於いて、該ポンプ室に大
気を導入する大気通路をポンプケースに設け、該
大気通路に接続した大気吸込経路に真空ポンプの
停止時に開弁される開閉弁を設けたことを特徴と
するダイヤフラム形真空ポンプ。 In a pump case in which a reciprocating diaphragm is provided to form a pump chamber whose volume can be varied by its reciprocating motion, an atmospheric passage is provided in the pump case to introduce atmospheric air into the pump chamber; A diaphragm vacuum pump characterized in that an on-off valve that is opened when the vacuum pump is stopped is provided in an atmospheric suction path connected to an atmospheric passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12573085U JPS6234181U (en) | 1985-08-19 | 1985-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12573085U JPS6234181U (en) | 1985-08-19 | 1985-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6234181U true JPS6234181U (en) | 1987-02-28 |
Family
ID=31018886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12573085U Pending JPS6234181U (en) | 1985-08-19 | 1985-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234181U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6085280A (en) * | 1983-10-18 | 1985-05-14 | Shinku Kiko Kk | Counterflow preventer for diaphragm vacuum pump |
-
1985
- 1985-08-19 JP JP12573085U patent/JPS6234181U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6085280A (en) * | 1983-10-18 | 1985-05-14 | Shinku Kiko Kk | Counterflow preventer for diaphragm vacuum pump |