IT954721B - POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID - Google Patents
POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUIDInfo
- Publication number
- IT954721B IT954721B IT6823572A IT6823572A IT954721B IT 954721 B IT954721 B IT 954721B IT 6823572 A IT6823572 A IT 6823572A IT 6823572 A IT6823572 A IT 6823572A IT 954721 B IT954721 B IT 954721B
- Authority
- IT
- Italy
- Prior art keywords
- poli
- expansion
- compression
- working fluid
- stage machine
- 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
- F04C18/12—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
- F04C18/14—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 toothed rotary pistons
- F04C18/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
- F04C23/001—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 of similar working principle
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 |
---|---|---|---|
DE19712119475 DE2119475C3 (en) | 1971-04-21 | 1971-04-21 | Multi-stage parallel and external-axis rotary piston machine in tandem arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
IT954721B true IT954721B (en) | 1973-09-15 |
Family
ID=5805442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6823572A IT954721B (en) | 1971-04-21 | 1972-04-20 | POLI-STAGE MACHINE WITH HELICAL ROTORS FOR THE COMPRESSION AND EXPANSION OF A WORKING FLUID |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE782461A (en) |
DE (1) | DE2119475C3 (en) |
FR (1) | FR2136544A5 (en) |
GB (1) | GB1378539A (en) |
IT (1) | IT954721B (en) |
SE (1) | SE383021B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2034012B (en) * | 1978-10-25 | 1983-02-09 | Thermo Electron Corp | Method and apparatus for producing process steam |
JPH07101037B2 (en) * | 1990-05-25 | 1995-11-01 | 株式会社荏原製作所 | Multi-stage screw type fluid machine |
DE19945871A1 (en) * | 1999-09-24 | 2001-03-29 | Leybold Vakuum Gmbh | Screw pump, in particular screw vacuum pump, with two pump stages |
DE102014017075B4 (en) | 2014-11-20 | 2017-11-02 | Itt Bornemann Gmbh | Device for conveying a medium |
CN104776025B (en) * | 2015-04-24 | 2019-02-01 | 福建雪人股份有限公司 | Multiscrew compressor |
BE1026106B1 (en) * | 2017-08-28 | 2019-10-16 | Atlas Copco Airpower Naamloze Vennootschap | Screw compressor |
CN112727769A (en) * | 2020-12-15 | 2021-04-30 | 董长艳 | Intelligent control high-power gas air compressor |
-
1971
- 1971-04-21 DE DE19712119475 patent/DE2119475C3/en not_active Expired
-
1972
- 1972-04-20 GB GB1849872A patent/GB1378539A/en not_active Expired
- 1972-04-20 FR FR7213975A patent/FR2136544A5/fr not_active Expired
- 1972-04-20 SE SE519272A patent/SE383021B/en unknown
- 1972-04-20 IT IT6823572A patent/IT954721B/en active
- 1972-04-21 BE BE782461A patent/BE782461A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2119475A1 (en) | 1972-11-02 |
BE782461A (en) | 1972-08-16 |
FR2136544A5 (en) | 1972-12-22 |
SE383021B (en) | 1976-02-23 |
DE2119475C3 (en) | 1979-02-08 |
DE2119475B2 (en) | 1974-02-28 |
GB1378539A (en) | 1974-12-27 |
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