GB856601A - Improvements in and relating to rotary vacuum pumps - Google Patents
Improvements in and relating to rotary vacuum pumpsInfo
- Publication number
- GB856601A GB856601A GB17716/59A GB1771659A GB856601A GB 856601 A GB856601 A GB 856601A GB 17716/59 A GB17716/59 A GB 17716/59A GB 1771659 A GB1771659 A GB 1771659A GB 856601 A GB856601 A GB 856601A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- vacuum pumps
- rotary vacuum
- geraetebauanstalt
- stator
- 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
- 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)
Abstract
856,601. Rotary pumps. GERAETEBAUANSTALT. May 25, 1959 [March 17, 1959], No. 17716/59. Class 110(2). A Roots blower is provided with a honeycomb cooler in its outlet and a heat - insulating mantle 34 of constant or variable thickness about its stator, see also Figs. 2 and 3 (not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH856601X | 1958-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB856601A true GB856601A (en) | 1960-12-21 |
Family
ID=4542735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17716/59A Expired GB856601A (en) | 1958-03-17 | 1959-05-25 | Improvements in and relating to rotary vacuum pumps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB856601A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290664A1 (en) * | 1987-05-15 | 1988-11-17 | Leybold Aktiengesellschaft | Two-shaft pump |
US6102681A (en) * | 1997-10-15 | 2000-08-15 | Aps Technology | Stator especially adapted for use in a helicoidal pump/motor |
GB2383379A (en) * | 2001-10-24 | 2003-06-25 | Aisin Seiki | A multi-stage vacuum pump |
GB2418958A (en) * | 2004-10-06 | 2006-04-12 | Boc Group Plc | Vacuum pump with enhanced exhaust heat transfer to stator |
EP2180188A1 (en) * | 2008-10-24 | 2010-04-28 | Edwards Limited | Improvements in and relating to Roots pumps |
-
1959
- 1959-05-25 GB GB17716/59A patent/GB856601A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0290664A1 (en) * | 1987-05-15 | 1988-11-17 | Leybold Aktiengesellschaft | Two-shaft pump |
US6102681A (en) * | 1997-10-15 | 2000-08-15 | Aps Technology | Stator especially adapted for use in a helicoidal pump/motor |
GB2383379A (en) * | 2001-10-24 | 2003-06-25 | Aisin Seiki | A multi-stage vacuum pump |
US6776586B2 (en) | 2001-10-24 | 2004-08-17 | Aisin Seiki Kabushiki Kaisha | Multi-stage vacuum pump |
GB2383379B (en) * | 2001-10-24 | 2005-05-18 | Aisin Seiki | Multi-stage vacuum pump |
GB2418958A (en) * | 2004-10-06 | 2006-04-12 | Boc Group Plc | Vacuum pump with enhanced exhaust heat transfer to stator |
EP2180188A1 (en) * | 2008-10-24 | 2010-04-28 | Edwards Limited | Improvements in and relating to Roots pumps |
US8500425B2 (en) | 2008-10-24 | 2013-08-06 | Edwards Limited | Roots pumps |
TWI482910B (en) * | 2008-10-24 | 2015-05-01 | Edwards Ltd | Improvements in and relating to roots pumps |
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