FR2249251B1 - - Google Patents
Info
- Publication number
- FR2249251B1 FR2249251B1 FR7436184A FR7436184A FR2249251B1 FR 2249251 B1 FR2249251 B1 FR 2249251B1 FR 7436184 A FR7436184 A FR 7436184A FR 7436184 A FR7436184 A FR 7436184A FR 2249251 B1 FR2249251 B1 FR 2249251B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
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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
- 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 (de) | 1973-10-29 | 1973-10-29 | Drehschieberpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2249251A1 FR2249251A1 (fr) | 1975-05-23 |
FR2249251B1 true FR2249251B1 (fr) | 1980-02-22 |
Family
ID=5896680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7436184A Expired FR2249251B1 (fr) | 1973-10-29 | 1974-10-29 |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH590408A5 (fr) |
CS (1) | CS182821B2 (fr) |
DD (1) | DD112812A5 (fr) |
DE (1) | DE2354039A1 (fr) |
FR (1) | FR2249251B1 (fr) |
GB (1) | GB1454014A (fr) |
HU (1) | HU170590B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3420190A1 (de) * | 1984-05-30 | 1985-12-05 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh, 6334 Asslar | Oelgedichtete rotationsvakuumpumpe |
EP0264749B1 (fr) * | 1986-10-18 | 1990-05-09 | B a r m a g AG | Pompe à vide à palettes |
DD256171A1 (de) * | 1986-12-24 | 1988-04-27 | Medizin Labortechnik Veb K | Drehschiebervakuumpumpe |
DE4017191A1 (de) * | 1990-05-29 | 1991-12-05 | Leybold Ag | Verfahren zur oelversorgung einer zweistufigen drehschiebervakuumpumpe und fuer die durchfuehrung dieses verfahrens geeignete drehschiebervakuumpumpe |
DE4017192A1 (de) * | 1990-05-29 | 1991-12-05 | Leybold Ag | Verfahren zur herstellung eines pumpenringes fuer eine zweistufige vakuumpumpe sowie mit einem derartigen pumpenring ausgeruestete vakuumpumpe |
DE9007544U1 (de) * | 1990-05-29 | 1992-08-13 | Leybold AG, 6450 Hanau | Drehschiebervakuumpumpe |
DE4238271A1 (de) * | 1992-11-13 | 1994-05-19 | Leybold Ag | Zweiwellenvakuumpumpe |
DE4325285A1 (de) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Ölgedichtete Vakuumpumpe |
DE4325284A1 (de) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Gehäuse für eine zweistufige Drehschiebervakuumpumpe |
DE4325286A1 (de) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Zweistufige Drehschiebervakuumpumpe |
DE4439637A1 (de) * | 1994-11-07 | 1996-05-09 | Balzers Pfeiffer Gmbh | Mehrstufige Drehschiebervakuumpumpe |
JPH1054382A (ja) * | 1996-08-14 | 1998-02-24 | Mitsubishi Electric Corp | ベーン式真空ポンプ |
IT1402417B1 (it) * | 2010-10-26 | 2013-09-04 | O M P Officine Mazzocco Pagnoni S R L | Pompa monopaletta |
CN108571448B (zh) * | 2018-04-12 | 2019-11-19 | 深圳市嘉铭诚精密技术有限公司 | 一种小体积无油雾真空泵 |
-
1973
- 1973-10-29 DE DE19732354039 patent/DE2354039A1/de 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/cs 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 |
---|---|
GB1454014A (en) | 1976-10-27 |
DD112812A5 (fr) | 1975-05-05 |
FR2249251A1 (fr) | 1975-05-23 |
DE2354039A1 (de) | 1975-05-07 |
CS182821B2 (en) | 1978-05-31 |
CH590408A5 (fr) | 1977-08-15 |
HU170590B (fr) | 1977-07-28 |