EP0163228A3 - Soupape d'arrêt pour l'entrée des pompes à piston rotatif - Google Patents
Soupape d'arrêt pour l'entrée des pompes à piston rotatif Download PDFInfo
- Publication number
- EP0163228A3 EP0163228A3 EP85106167A EP85106167A EP0163228A3 EP 0163228 A3 EP0163228 A3 EP 0163228A3 EP 85106167 A EP85106167 A EP 85106167A EP 85106167 A EP85106167 A EP 85106167A EP 0163228 A3 EP0163228 A3 EP 0163228A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- seal
- rotary piston
- inlet
- inlet shut
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/021—Control systems for the circulation of the lubricant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61260084A | 1984-05-21 | 1984-05-21 | |
US612600 | 1984-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0163228A2 EP0163228A2 (fr) | 1985-12-04 |
EP0163228A3 true EP0163228A3 (fr) | 1986-03-05 |
Family
ID=24453849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85106167A Withdrawn EP0163228A3 (fr) | 1984-05-21 | 1985-05-20 | Soupape d'arrêt pour l'entrée des pompes à piston rotatif |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0163228A3 (fr) |
JP (1) | JPS60249691A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1246969B (it) * | 1991-06-17 | 1994-12-01 | Galileo Vacuum Tec Spa | Pompa rotativa per vuoto, con otturatore a comando automatico per l'isolamento dell'ambiente sotto-vuoto. |
DE4325281A1 (de) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Vakuumpumpe mit einer Gasballasteinrichtung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406897A (en) * | 1966-07-18 | 1968-10-22 | Leybold Holding Ag | Mechanical vacuum pump |
CH476921A (de) * | 1967-09-21 | 1969-08-15 | Edwards High Vacuum Int Ltd | Mehrstufige Rotationsvacuumpumpe |
GB1195361A (en) * | 1966-03-28 | 1970-06-17 | N G N Ltd | Improvements in and relating to Vacuum Pumping apparatus including a Rotary Vacuum Pump |
GB1323780A (en) * | 1971-02-11 | 1973-07-18 | Ingersoll Rand Co | Fluid supply and control sub-system |
GB1481748A (en) * | 1974-10-31 | 1977-08-03 | Pfeiffer Vakuumtechnik | Vacuum pumps |
DD131487A1 (de) * | 1977-06-24 | 1978-06-28 | Juergen Kaunert | Absperrventil mit automatischer belueftungseinrichtung fuer vakuumpumpen |
DD205219A1 (de) * | 1981-10-15 | 1983-12-21 | Pumpen U Verdichter Wissenscha | Hydraulisch-mechanische schutzeinrichtung fuer pumpen |
-
1985
- 1985-05-08 JP JP9766685A patent/JPS60249691A/ja active Pending
- 1985-05-20 EP EP85106167A patent/EP0163228A3/fr not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1195361A (en) * | 1966-03-28 | 1970-06-17 | N G N Ltd | Improvements in and relating to Vacuum Pumping apparatus including a Rotary Vacuum Pump |
US3406897A (en) * | 1966-07-18 | 1968-10-22 | Leybold Holding Ag | Mechanical vacuum pump |
CH476921A (de) * | 1967-09-21 | 1969-08-15 | Edwards High Vacuum Int Ltd | Mehrstufige Rotationsvacuumpumpe |
GB1323780A (en) * | 1971-02-11 | 1973-07-18 | Ingersoll Rand Co | Fluid supply and control sub-system |
GB1481748A (en) * | 1974-10-31 | 1977-08-03 | Pfeiffer Vakuumtechnik | Vacuum pumps |
DD131487A1 (de) * | 1977-06-24 | 1978-06-28 | Juergen Kaunert | Absperrventil mit automatischer belueftungseinrichtung fuer vakuumpumpen |
DD205219A1 (de) * | 1981-10-15 | 1983-12-21 | Pumpen U Verdichter Wissenscha | Hydraulisch-mechanische schutzeinrichtung fuer pumpen |
Also Published As
Publication number | Publication date |
---|---|
EP0163228A2 (fr) | 1985-12-04 |
JPS60249691A (ja) | 1985-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB IT |
|
17P | Request for examination filed |
Effective date: 19860807 |
|
17Q | First examination report despatched |
Effective date: 19870902 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19871130 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LYSKO, WILLIAM T. |