FR1219092A - Oil-sealed piston vacuum pump each of which rotates eccentrically in a working chamber - Google Patents
Oil-sealed piston vacuum pump each of which rotates eccentrically in a working chamberInfo
- Publication number
- FR1219092A FR1219092A FR790077A FR790077A FR1219092A FR 1219092 A FR1219092 A FR 1219092A FR 790077 A FR790077 A FR 790077A FR 790077 A FR790077 A FR 790077A FR 1219092 A FR1219092 A FR 1219092A
- Authority
- FR
- France
- Prior art keywords
- oil
- vacuum pump
- working chamber
- rotates eccentrically
- sealed piston
- 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
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1219092X | 1958-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1219092A true FR1219092A (en) | 1960-05-16 |
Family
ID=7733856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR790077A Expired FR1219092A (en) | 1958-05-22 | 1959-03-23 | Oil-sealed piston vacuum pump each of which rotates eccentrically in a working chamber |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1219092A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3212313A1 (en) * | 1982-04-02 | 1983-10-13 | Leybold-Heraeus GmbH, 5000 Köln | Oil tank for rotary vacuum pumps |
EP1696131A2 (en) * | 2005-01-28 | 2006-08-30 | Agilent Technologies, Inc. | Vacuum pump cabinet |
-
1959
- 1959-03-23 FR FR790077A patent/FR1219092A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3212313A1 (en) * | 1982-04-02 | 1983-10-13 | Leybold-Heraeus GmbH, 5000 Köln | Oil tank for rotary vacuum pumps |
EP1696131A2 (en) * | 2005-01-28 | 2006-08-30 | Agilent Technologies, Inc. | Vacuum pump cabinet |
EP1696131A3 (en) * | 2005-01-28 | 2008-11-12 | Agilent Technologies, Inc. | Vacuum pump cabinet |
US7530366B2 (en) | 2005-01-28 | 2009-05-12 | Agilent Technologies, Inc. | Vacuum pump cabinet |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1219092A (en) | Oil-sealed piston vacuum pump each of which rotates eccentrically in a working chamber | |
FR1146899A (en) | Self-regulating multi-piston rotary pump | |
CH420470A (en) | Oil Seal Rotary Vacuum Pump | |
FR1236343A (en) | Rotary-piston vacuum pump whose piston, sealed by oil, is eccentrically arranged on an axis | |
BE746750A (en) | OIL PUMP | |
FR1233394A (en) | Axial piston type rotary pump or motor | |
FR1069107A (en) | Self-controlled compression chamber pump | |
IT7869457A0 (en) | GLAND PARTICULARLY FOR LARGE RECIPROCATING PUMPS | |
FR1268698A (en) | Variable displacement piston pump | |
FR1191147A (en) | Three piston pump | |
FR1228588A (en) | Axial piston hydraulic pump or motor | |
FR887257A (en) | Sickle-shaped rotating and sliding piston pump with working chamber | |
FR1226107A (en) | Rotary piston pump | |
FR1462784A (en) | Hydraulic rotary piston pump | |
FR1531210A (en) | Variable chamber positive displacement pump | |
FR1254851A (en) | Method for increasing the volumetric efficiency of a rotary piston pump whose rotors unwind one inside the other like gears | |
FR1541631A (en) | Rotary piston vacuum pump | |
CH384767A (en) | Oil Seal Rotary Vacuum Pump | |
FR1286315A (en) | Rotary piston machine, working as a compressor or as a vacuum pump | |
CH532193A (en) | Reciprocating piston pump | |
FR1233393A (en) | Multi-piston type rotary pump or motor | |
CH253326A (en) | Radial piston liquid pump. | |
FR1242176A (en) | Oil pump | |
FR1473890A (en) | Improvement by pressure lubrication of a mechanical vacuum pump | |
FR1152804A (en) | Hydraulic piston pump |