CH389817A - Vakuumpumpeinrichtung - Google Patents
VakuumpumpeinrichtungInfo
- Publication number
- CH389817A CH389817A CH912460A CH912460A CH389817A CH 389817 A CH389817 A CH 389817A CH 912460 A CH912460 A CH 912460A CH 912460 A CH912460 A CH 912460A CH 389817 A CH389817 A CH 389817A
- Authority
- CH
- Switzerland
- Prior art keywords
- pumping device
- vacuum pumping
- vacuum
- pumping
- Prior art date
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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/084—Toothed wheels
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH0037148 | 1959-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH389817A true CH389817A (de) | 1965-03-31 |
Family
ID=7153236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH912460A CH389817A (de) | 1959-08-11 | 1960-08-11 | Vakuumpumpeinrichtung |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH389817A (de) |
GB (1) | GB953799A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5152684A (en) * | 1990-08-27 | 1992-10-06 | Leybold Aktiengesellschaft | Rotor profile for a roots vacuum pump |
DE102006004525A1 (de) * | 2006-02-01 | 2007-08-02 | Leybold Vacuum Gmbh | Wälzkolben-Vakuumpumpe |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6415485A (en) * | 1987-07-07 | 1989-01-19 | Fuji Heavy Ind Ltd | Root's blower |
GB0319344D0 (en) * | 2003-08-18 | 2003-09-17 | Boc Group Plc | Reducing exhaust pulsation in dry pumps |
-
1960
- 1960-07-25 GB GB2579260A patent/GB953799A/en not_active Expired
- 1960-08-11 CH CH912460A patent/CH389817A/de unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5152684A (en) * | 1990-08-27 | 1992-10-06 | Leybold Aktiengesellschaft | Rotor profile for a roots vacuum pump |
DE102006004525A1 (de) * | 2006-02-01 | 2007-08-02 | Leybold Vacuum Gmbh | Wälzkolben-Vakuumpumpe |
Also Published As
Publication number | Publication date |
---|---|
GB953799A (en) | 1964-04-02 |
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