IT1016442B - Perfezionamento nei dispositivi di iniezione di liquido in compressori del tipo a girante a vite - Google Patents
Perfezionamento nei dispositivi di iniezione di liquido in compressori del tipo a girante a viteInfo
- Publication number
- IT1016442B IT1016442B IT52138/74A IT5213874A IT1016442B IT 1016442 B IT1016442 B IT 1016442B IT 52138/74 A IT52138/74 A IT 52138/74A IT 5213874 A IT5213874 A IT 5213874A IT 1016442 B IT1016442 B IT 1016442B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- liquid injection
- injection devices
- impeller type
- type compressors
- 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
- F04C18/10—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 internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
- F04C18/107—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 internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member with helical teeth
- F04C18/1075—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 internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic material, e.g. Moineau 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary-Type Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7310168A SE378885B (it) | 1973-07-20 | 1973-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1016442B true IT1016442B (it) | 1977-05-30 |
Family
ID=20318111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT52138/74A IT1016442B (it) | 1973-07-20 | 1974-07-16 | Perfezionamento nei dispositivi di iniezione di liquido in compressori del tipo a girante a vite |
Country Status (9)
Country | Link |
---|---|
US (1) | US3941520A (it) |
JP (1) | JPS5049713A (it) |
BE (1) | BE817770A (it) |
CA (1) | CA1024486A (it) |
DE (1) | DE2434783A1 (it) |
FR (1) | FR2238069B1 (it) |
GB (1) | GB1441218A (it) |
IT (1) | IT1016442B (it) |
SE (1) | SE378885B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5424713U (it) * | 1977-07-22 | 1979-02-17 | ||
GB8521239D0 (en) * | 1985-08-24 | 1985-10-02 | Weir Pumps Ltd | Rotary positive displacement fluid machines |
BE1016581A3 (nl) * | 2005-02-22 | 2007-02-06 | Atlas Copco Airpower Nv | Verbeterd watergeinjecteerd schroefcompressorelement. |
US11136978B2 (en) | 2016-09-16 | 2021-10-05 | Vilter Manufacturing Llc | High suction pressure single screw compressor with thrust balancing load using shaft seal pressure and related methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB427475A (en) * | 1933-10-13 | 1935-04-15 | Arthur William Capps | Improvements relating to rotary compressors, engines and heating and cooling apparatus |
US2290137A (en) * | 1938-10-22 | 1942-07-14 | Roy G Dorrance | Compressor for refrigerating apparatus |
US2358721A (en) * | 1940-05-22 | 1944-09-19 | Ljungdahl Oskar Birger | Pump, compressor, motor, or the like |
US2695694A (en) * | 1951-11-03 | 1954-11-30 | Seinfeld Emmy Margaret | Diaphragm mechanism for pump clutches |
FR1369351A (fr) * | 1963-03-21 | 1964-08-14 | Renault | Perfectionnements au graissage des segments radiaux de moteurs rotatifs |
-
1973
- 1973-07-20 SE SE7310168A patent/SE378885B/xx unknown
-
1974
- 1974-07-16 IT IT52138/74A patent/IT1016442B/it active
- 1974-07-17 GB GB3162974A patent/GB1441218A/en not_active Expired
- 1974-07-17 BE BE146666A patent/BE817770A/xx not_active IP Right Cessation
- 1974-07-18 US US05/489,941 patent/US3941520A/en not_active Expired - Lifetime
- 1974-07-19 JP JP49082332A patent/JPS5049713A/ja active Pending
- 1974-07-19 DE DE2434783A patent/DE2434783A1/de not_active Withdrawn
- 1974-07-19 FR FR7425149A patent/FR2238069B1/fr not_active Expired
- 1974-07-19 CA CA205,226A patent/CA1024486A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1024486A (en) | 1978-01-17 |
SE7310168L (it) | 1975-01-21 |
US3941520A (en) | 1976-03-02 |
FR2238069A1 (it) | 1975-02-14 |
JPS5049713A (it) | 1975-05-02 |
GB1441218A (en) | 1976-06-30 |
SE378885B (it) | 1975-09-15 |
FR2238069B1 (it) | 1977-10-07 |
BE817770A (fr) | 1974-11-18 |
DE2434783A1 (de) | 1975-02-06 |
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