PL219173A2 - - Google Patents
Info
- Publication number
- PL219173A2 PL219173A2 PL21917379A PL21917379A PL219173A2 PL 219173 A2 PL219173 A2 PL 219173A2 PL 21917379 A PL21917379 A PL 21917379A PL 21917379 A PL21917379 A PL 21917379A PL 219173 A2 PL219173 A2 PL 219173A2
- Authority
- PL
- Poland
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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
- F04C28/125—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Rotary-Type Compressors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD20871678A DD139280B1 (en) | 1978-10-27 | 1978-10-27 | POWER-CONTROLLED OIL-REFLECTED SCREW COMPRESSOR WITH ADJUSTABLE BUILT-IN VOLUME RATIO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL219173A2 true PL219173A2 (en) | 1980-06-02 |
Family
ID=5515040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL21917379A PL219173A2 (en) | 1978-10-27 | 1979-10-24 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5591793A (en) |
| BG (1) | BG33240A1 (en) |
| DD (1) | DD139280B1 (en) |
| DE (1) | DE2935954A1 (en) |
| FR (1) | FR2439887A1 (en) |
| GB (1) | GB2035458A (en) |
| PL (1) | PL219173A2 (en) |
| SE (1) | SE7908892L (en) |
| SU (1) | SU1027430A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE464657B (en) * | 1987-03-04 | 1991-05-27 | Stal Refrigeration Ab | CONTROL SYSTEM FOR REGULATING A ROTATE COMPRESSOR'S INTERNAL VOLUME CONTAINER |
| SE469437B (en) * | 1987-10-28 | 1993-07-05 | Stal Refrigeration Ab | CONTROL SYSTEM FOR REGULATING A ROTATE COMPRESSOR'S INTERNAL VOLUME CONTAINER |
| DE102004009639A1 (en) * | 2004-02-27 | 2005-09-15 | Rietschle Thomas Gmbh + Co. Kg | Rotary gear compressor, includes control device for altering cross section of additional outlet opening between outlet chamber and work region |
| CN101375062B (en) * | 2005-12-12 | 2010-12-08 | 江森控制丹麦有限公司 | Screw compressor |
| JP2019019671A (en) * | 2015-03-16 | 2019-02-07 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド | Screw compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR951626A (en) * | 1941-04-22 | 1949-10-31 | Improvements in rotary screw pumps, motors and the like for fluids | |
| US3286635A (en) * | 1964-11-13 | 1966-11-22 | Borg Warner | Reversible pressure hydraulic system |
| US3936239A (en) * | 1974-07-26 | 1976-02-03 | Dunham-Bush, Inc. | Undercompression and overcompression free helical screw rotary compressor |
| US4076461A (en) * | 1974-12-09 | 1978-02-28 | Dunham-Bush, Inc. | Feedback control system for helical screw rotary compressors |
| US4060343A (en) * | 1976-02-19 | 1977-11-29 | Borg-Warner Corporation | Capacity control for rotary compressor |
-
1978
- 1978-10-27 DD DD20871678A patent/DD139280B1/en not_active IP Right Cessation
-
1979
- 1979-09-06 DE DE19792935954 patent/DE2935954A1/en not_active Withdrawn
- 1979-09-26 SU SU797770822A patent/SU1027430A1/en active
- 1979-09-27 BG BG7944973A patent/BG33240A1/en unknown
- 1979-10-24 PL PL21917379A patent/PL219173A2/xx unknown
- 1979-10-24 FR FR7926443A patent/FR2439887A1/en active Pending
- 1979-10-24 JP JP13749879A patent/JPS5591793A/en active Pending
- 1979-10-25 GB GB7937139A patent/GB2035458A/en not_active Withdrawn
- 1979-10-26 SE SE7908892A patent/SE7908892L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG33240A1 (en) | 1983-01-14 |
| DD139280A1 (en) | 1979-12-19 |
| JPS5591793A (en) | 1980-07-11 |
| SE7908892L (en) | 1980-04-28 |
| SU1027430A1 (en) | 1983-07-07 |
| FR2439887A1 (en) | 1980-05-23 |
| DD139280B1 (en) | 1981-05-27 |
| GB2035458A (en) | 1980-06-18 |
| DE2935954A1 (en) | 1980-05-08 |