GB669173A - Compressor for producing pressures of varying magnitude according to requirements - Google Patents
Compressor for producing pressures of varying magnitude according to requirementsInfo
- Publication number
- GB669173A GB669173A GB750/50A GB75050A GB669173A GB 669173 A GB669173 A GB 669173A GB 750/50 A GB750/50 A GB 750/50A GB 75050 A GB75050 A GB 75050A GB 669173 A GB669173 A GB 669173A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rotors
- compressor
- valves
- requirements
- jan
- 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D21/00—Pump involving supersonic speed of pumped fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
669,173. Axial-flow compressors. ESCHER WYSS AKT.-GES. Jan. 11, 1950. [Jan. 14, 1949] No. 750/50. Class 110(i). Two rotors 1 and 2 are arranged one behind the other and driven by a single engine 4, and adjustable valves, such as flap valves 10, are provided between the rotors whereby the compressed medium can be made to byepass the rotor 2 when a low outlet pressure is required, the coupling 2 then being disengaged. The byepassed medium flows through. two lateral passages 8 to the discharge diffuser 9. Preferably, flap or slide valves 10<SP>1</SP> are provided, as shown, at the diffuser 9. At least one of the rotors may have adjustable blades and there may be step-up gearing between the two rotors. The compressor may be used in a wind tunnel operating at both subsonic and supersonic velocities.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH669173X | 1949-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB669173A true GB669173A (en) | 1952-03-26 |
Family
ID=4527536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB750/50A Expired GB669173A (en) | 1949-01-14 | 1950-01-11 | Compressor for producing pressures of varying magnitude according to requirements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB669173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115154A (en) * | 2013-01-25 | 2013-05-22 | 中国航天空气动力技术研究院 | Hydraulic drive pressure reducing valve for wind tunnel |
-
1950
- 1950-01-11 GB GB750/50A patent/GB669173A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115154A (en) * | 2013-01-25 | 2013-05-22 | 中国航天空气动力技术研究院 | Hydraulic drive pressure reducing valve for wind tunnel |
| CN103115154B (en) * | 2013-01-25 | 2014-12-31 | 中国航天空气动力技术研究院 | Hydraulic drive pressure reducing valve for wind tunnel |
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