CS157718B2 - - Google Patents
Info
- Publication number
- CS157718B2 CS157718B2 CS496871A CS496871A CS157718B2 CS 157718 B2 CS157718 B2 CS 157718B2 CS 496871 A CS496871 A CS 496871A CS 496871 A CS496871 A CS 496871A CS 157718 B2 CS157718 B2 CS 157718B2
- Authority
- CS
- Czechoslovakia
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
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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
- 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)
- Rotary Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3340570A GB1361604A (en) | 1970-07-09 | 1970-07-09 | Meshing screw rotor positive-displacement machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS157718B2 true CS157718B2 (en) | 1974-09-16 |
Family
ID=10352516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS496871A CS157718B2 (en) | 1970-07-09 | 1971-07-06 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE769633A (en) |
| CA (1) | CA940501A (en) |
| CS (1) | CS157718B2 (en) |
| DE (1) | DE2134241C3 (en) |
| FI (1) | FI54646C (en) |
| FR (1) | FR2100405A5 (en) |
| GB (1) | GB1361604A (en) |
| SE (1) | SE374946B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1434927A (en) * | 1972-04-27 | 1976-05-12 | Svenska Rotor Maskiner Ab | Refrigeration plants |
| SE455117B (en) * | 1986-08-20 | 1988-06-20 | Svenska Rotor Maskiner Ab | SCREW COMPRESSOR |
| CA2626884C (en) * | 2005-10-31 | 2012-01-24 | Mayekawa Mfg. Co., Ltd. | A liquid injection type screw compressor |
| JP5197141B2 (en) * | 2008-05-12 | 2013-05-15 | 株式会社神戸製鋼所 | Two-stage screw compressor and refrigeration system |
| JP2012122450A (en) | 2010-12-10 | 2012-06-28 | Kobe Steel Ltd | Screw compressor |
| GB2500603A (en) * | 2012-03-26 | 2013-10-02 | Edwards Ltd | Vacuum pump stators and vacuum pumps |
-
1970
- 1970-07-09 GB GB3340570A patent/GB1361604A/en not_active Expired
-
1971
- 1971-07-06 CS CS496871A patent/CS157718B2/cs unknown
- 1971-07-06 SE SE870971A patent/SE374946B/xx unknown
- 1971-07-07 BE BE769633A patent/BE769633A/xx not_active IP Right Cessation
- 1971-07-08 FR FR7124991A patent/FR2100405A5/fr not_active Expired
- 1971-07-08 CA CA117,745A patent/CA940501A/en not_active Expired
- 1971-07-08 FI FI193771A patent/FI54646C/en active
- 1971-07-09 DE DE19712134241 patent/DE2134241C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI54646B (en) | 1978-09-29 |
| BE769633A (en) | 1971-11-16 |
| SE374946B (en) | 1975-03-24 |
| DE2134241B2 (en) | 1979-06-21 |
| DE2134241A1 (en) | 1972-01-20 |
| DE2134241C3 (en) | 1980-03-06 |
| FI54646C (en) | 1979-01-10 |
| CA940501A (en) | 1974-01-22 |
| GB1361604A (en) | 1974-07-30 |
| FR2100405A5 (en) | 1972-03-17 |