JPH01127988U - - Google Patents
Info
- Publication number
- JPH01127988U JPH01127988U JP2361188U JP2361188U JPH01127988U JP H01127988 U JPH01127988 U JP H01127988U JP 2361188 U JP2361188 U JP 2361188U JP 2361188 U JP2361188 U JP 2361188U JP H01127988 U JPH01127988 U JP H01127988U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- intake
- vane pump
- pump
- port
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
Description
第１図から第３図は本考案にかかる装置の一実
施例を示すもので、第１図は装置の平面図、第２
図は正面図、第３図は使用状態を示す一部を破断
した正面図である。
１……機台、２……モータ、３，４……無給油
式ベーンポンプ、５……駆動軸、６，７……プー
リー、８，９……ベルト、１０，１２，１４，１
６……フイルター装置、１８……パイプ、２０，
２４，２６……パイプ、２２……真空貯蔵タンク
、２８……排気槽、３０……穴、３２……蓋体、
３４……支持手段、３６……真空圧検出手段、３
８……制御装置、１４ｂ……外気導入口。
1 to 3 show an embodiment of the device according to the present invention, and FIG. 1 is a plan view of the device, and FIG.
The figure is a front view, and FIG. 3 is a partially cutaway front view showing the state of use. 1... Machine base, 2... Motor, 3, 4... Oil-free vane pump, 5... Drive shaft, 6, 7... Pulley, 8, 9... Belt, 10, 12, 14, 1
6... Filter device, 18... Pipe, 20,
24, 26... Pipe, 22... Vacuum storage tank, 28... Exhaust tank, 30... Hole, 32... Lid body,
34...Supporting means, 36...Vacuum pressure detection means, 3
8...Control device, 14b...Outside air inlet.
Claims (1)
油式ベーンポンプと、駆動伝達機構を介して二台
のポンプを駆動するモータとからなり、前記吸気
用のベーンポンプの排気口と排気用ベーンポンプ
の吸気口とをパイプで接続すると共に排気用ベー
ンポンプの吸気側に外気導入口を設けたことを特
徴とする正圧・負圧兼用ポンプ。 It consists of two oil-free vane pumps, one for intake and the other for exhaust, and a motor that drives the two pumps via a drive transmission mechanism, and the exhaust port of the intake vane pump and the exhaust vane pump. A pump for both positive pressure and negative pressure, characterized in that it is connected to the intake port of the exhaust vane pump with a pipe, and that an outside air introduction port is provided on the intake side of the exhaust vane pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2361188U JPH064067Y2 (en) | 1988-02-24 | 1988-02-24 | Pump for both positive and negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2361188U JPH064067Y2 (en) | 1988-02-24 | 1988-02-24 | Pump for both positive and negative pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01127988U true JPH01127988U (en) | 1989-08-31 |
| JPH064067Y2 JPH064067Y2 (en) | 1994-02-02 |
Family
ID=31242747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2361188U Expired - Lifetime JPH064067Y2 (en) | 1988-02-24 | 1988-02-24 | Pump for both positive and negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH064067Y2 (en) |
-
1988
- 1988-02-24 JP JP2361188U patent/JPH064067Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH064067Y2 (en) | 1994-02-02 |