DD112812A5 - - Google Patents
Info
- Publication number
- DD112812A5 DD112812A5 DD180153A DD18015374A DD112812A5 DD 112812 A5 DD112812 A5 DD 112812A5 DD 180153 A DD180153 A DD 180153A DD 18015374 A DD18015374 A DD 18015374A DD 112812 A5 DD112812 A5 DD 112812A5
- Authority
- DD
- German Democratic Republic
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
-
- 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
-
- 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
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732354039 DE2354039A1 (en) | 1973-10-29 | 1973-10-29 | ROTARY VALVE PUMP |
Publications (1)
Publication Number | Publication Date |
---|---|
DD112812A5 true DD112812A5 (en) | 1975-05-05 |
Family
ID=5896680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD180153A DD112812A5 (en) | 1973-10-29 | 1974-07-26 |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH590408A5 (en) |
CS (1) | CS182821B2 (en) |
DD (1) | DD112812A5 (en) |
DE (1) | DE2354039A1 (en) |
FR (1) | FR2249251B1 (en) |
GB (1) | GB1454014A (en) |
HU (1) | HU170590B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3420190A1 (en) * | 1984-05-30 | 1985-12-05 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | OIL-SEALED ROTATION VACUUM PUMP |
DE3762651D1 (en) * | 1986-10-18 | 1990-06-13 | Barmag Barmer Maschf | WING CELL VACUUM PUMP. |
DD256171A1 (en) * | 1986-12-24 | 1988-04-27 | Medizin Labortechnik Veb K | ROTARY VACUUM PUMP |
DE4017194A1 (en) * | 1990-05-29 | 1991-12-05 | Leybold Ag | ROTARY VALVE VACUUM PUMP |
DE4017192A1 (en) * | 1990-05-29 | 1991-12-05 | Leybold Ag | METHOD FOR PRODUCING A PUMP RING FOR A TWO-STAGE VACUUM PUMP AND VACUUM PUMP EQUIPPED WITH SUCH A PUMP RING |
DE4017191A1 (en) * | 1990-05-29 | 1991-12-05 | Leybold Ag | METHOD FOR OIL SUPPLYING A TWO-STAGE ROTARY VALVE VACUUM PUMP AND A ROTARY VALVE VACUUM PUMP SUITABLE FOR CARRYING OUT THIS METHOD |
DE4238271A1 (en) * | 1992-11-13 | 1994-05-19 | Leybold Ag | Twin-shaft vacuum pump |
DE4325286A1 (en) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Two-stage rotary vane vacuum pump |
DE4325285A1 (en) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Oil-sealed vacuum pump |
DE4325284A1 (en) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Housing for a two-stage rotary vane vacuum pump |
DE4439637A1 (en) * | 1994-11-07 | 1996-05-09 | Balzers Pfeiffer Gmbh | Multistage vane=type rotary vacuum pump |
JPH1054382A (en) * | 1996-08-14 | 1998-02-24 | Mitsubishi Electric Corp | Vane type vacuum pump |
IT1402417B1 (en) * | 2010-10-26 | 2013-09-04 | O M P Officine Mazzocco Pagnoni S R L | MONOPAL PUMP |
CN108571448B (en) * | 2018-04-12 | 2019-11-19 | 深圳市嘉铭诚精密技术有限公司 | A kind of small size is without mist of oil vacuum pump |
-
1973
- 1973-10-29 DE DE19732354039 patent/DE2354039A1/en not_active Ceased
-
1974
- 1974-07-26 DD DD180153A patent/DD112812A5/xx unknown
- 1974-08-15 HU HULE753A patent/HU170590B/hu unknown
- 1974-09-26 GB GB4196974A patent/GB1454014A/en not_active Expired
- 1974-10-25 CS CS7400007295A patent/CS182821B2/en unknown
- 1974-10-28 CH CH1441974A patent/CH590408A5/xx not_active IP Right Cessation
- 1974-10-29 FR FR7436184A patent/FR2249251B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CS182821B2 (en) | 1978-05-31 |
DE2354039A1 (en) | 1975-05-07 |
CH590408A5 (en) | 1977-08-15 |
HU170590B (en) | 1977-07-28 |
GB1454014A (en) | 1976-10-27 |
FR2249251A1 (en) | 1975-05-23 |
FR2249251B1 (en) | 1980-02-22 |