JPH022948Y2 - - Google Patents
Info
- Publication number
- JPH022948Y2 JPH022948Y2 JP2294185U JP2294185U JPH022948Y2 JP H022948 Y2 JPH022948 Y2 JP H022948Y2 JP 2294185 U JP2294185 U JP 2294185U JP 2294185 U JP2294185 U JP 2294185U JP H022948 Y2 JPH022948 Y2 JP H022948Y2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum pump
- vacuum
- pressure
- reciprocating
- sensor
- 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.)
- Expired
Links
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294185U JPH022948Y2 (enrdf_load_html_response) | 1985-02-20 | 1985-02-20 | |
| US06/724,284 US4662826A (en) | 1984-04-20 | 1985-04-17 | Vacuum pump system including serially connected rotary and reciprocating vacuum pumps |
| DE19853514317 DE3514317A1 (de) | 1984-04-20 | 1985-04-19 | Vakuumpumpe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294185U JPH022948Y2 (enrdf_load_html_response) | 1985-02-20 | 1985-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61138879U JPS61138879U (enrdf_load_html_response) | 1986-08-28 |
| JPH022948Y2 true JPH022948Y2 (enrdf_load_html_response) | 1990-01-24 |
Family
ID=30515713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2294185U Expired JPH022948Y2 (enrdf_load_html_response) | 1984-04-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022948Y2 (enrdf_load_html_response) |
-
1985
- 1985-02-20 JP JP2294185U patent/JPH022948Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61138879U (enrdf_load_html_response) | 1986-08-28 |
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