DE2760391C2 - - Google Patents
Info
- Publication number
- DE2760391C2 DE2760391C2 DE19772760391 DE2760391A DE2760391C2 DE 2760391 C2 DE2760391 C2 DE 2760391C2 DE 19772760391 DE19772760391 DE 19772760391 DE 2760391 A DE2760391 A DE 2760391A DE 2760391 C2 DE2760391 C2 DE 2760391C2
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- shaft
- housing
- vacuum pump
- rotor shaft
- Prior art date
- 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 - Fee Related
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
- F04C29/0078—Fixing rotors on shafts, e.g. by clamping together hub and shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
-
- 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
- F04C18/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
- F04C18/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3442—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the inlet and outlet opening
-
- 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
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/51—Bearings for cantilever assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772760391 DE2760391C2 (es) | 1976-07-10 | 1977-08-20 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2631152A DE2631152C2 (de) | 1976-07-10 | 1976-07-10 | Flügelzellen-Vakuumpumpe |
DE19772760391 DE2760391C2 (es) | 1976-07-10 | 1977-08-20 | |
DE19772737659 DE2737659C2 (de) | 1977-08-20 | 1977-08-20 | Flügelzellen-Vakuumpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2760391C2 true DE2760391C2 (es) | 1991-12-05 |
Family
ID=27186909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772760391 Expired - Fee Related DE2760391C2 (es) | 1976-07-10 | 1977-08-20 |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2760391C2 (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4016014A1 (de) * | 1989-06-01 | 1990-12-06 | Barmag Barmer Maschf | Fluegelzellen-vakuumpumpe |
DE102006012868A1 (de) * | 2006-03-21 | 2007-09-27 | Zf Lenksysteme Gmbh | Verdrängerpumpe |
DE102021114712B3 (de) | 2021-06-08 | 2022-09-01 | Schaeffler Technologies AG & Co. KG | Hydraulikpumpeneinheit mit gerändelter Verbindung eines Stehlagers mit einem Gehäuse |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB912119A (en) * | 1960-05-18 | 1962-12-05 | Dewandre Co Ltd C | Improvements in or relating to rotary exhausters and the like |
DE2015193A1 (en) * | 1970-03-28 | 1971-10-28 | VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig | Maintenance free pump |
DE2737659C2 (de) * | 1977-08-20 | 1987-04-23 | Volkswagen AG, 3180 Wolfsburg | Flügelzellen-Vakuumpumpe |
-
1977
- 1977-08-20 DE DE19772760391 patent/DE2760391C2/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB912119A (en) * | 1960-05-18 | 1962-12-05 | Dewandre Co Ltd C | Improvements in or relating to rotary exhausters and the like |
DE2015193A1 (en) * | 1970-03-28 | 1971-10-28 | VEB Kombinat Medizin- und Labortechnik, χ 7035 Leipzig | Maintenance free pump |
DE2737659C2 (de) * | 1977-08-20 | 1987-04-23 | Volkswagen AG, 3180 Wolfsburg | Flügelzellen-Vakuumpumpe |
Non-Patent Citations (1)
Title |
---|
HILDEBRAND, S.: feinmechanische Bauelemente, 2. Aufl., 1972, S. 226-227 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4016014A1 (de) * | 1989-06-01 | 1990-12-06 | Barmag Barmer Maschf | Fluegelzellen-vakuumpumpe |
DE4016014C2 (de) * | 1989-06-01 | 1998-02-19 | Barmag Barmer Maschf | Flügelzellen-Vakuumpumpe |
DE102006012868A1 (de) * | 2006-03-21 | 2007-09-27 | Zf Lenksysteme Gmbh | Verdrängerpumpe |
DE102006012868B4 (de) * | 2006-03-21 | 2021-02-04 | Robert Bosch Gmbh | Verdrängerpumpe |
DE102021114712B3 (de) | 2021-06-08 | 2022-09-01 | Schaeffler Technologies AG & Co. KG | Hydraulikpumpeneinheit mit gerändelter Verbindung eines Stehlagers mit einem Gehäuse |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
Q172 | Divided out of (supplement): |
Ref document number: 2737659 Ref country code: DE |
|
8110 | Request for examination paragraph 44 | ||
8161 | Application of addition to: |
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AC | Divided out of |
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AC | Divided out of |
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|
AF | Is addition to no. |
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D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |