IT1249010B - Pompa per vuoto ad alette e celle - Google Patents
Pompa per vuoto ad alette e celleInfo
- Publication number
- IT1249010B IT1249010B IT02079090A IT2079090A IT1249010B IT 1249010 B IT1249010 B IT 1249010B IT 02079090 A IT02079090 A IT 02079090A IT 2079090 A IT2079090 A IT 2079090A IT 1249010 B IT1249010 B IT 1249010B
- Authority
- IT
- Italy
- Prior art keywords
- wings
- cells
- vacuum pump
- vacuum
- pump
- Prior art date
Links
Classifications
-
- 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
- F04C2220/00—Application
- F04C2220/10—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
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/22—Manufacture essentially without removing material by sintering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3922407 | 1989-07-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9020790A0 IT9020790A0 (de) | 1990-06-27 |
IT9020790A1 IT9020790A1 (it) | 1991-12-27 |
IT1249010B true IT1249010B (it) | 1995-02-11 |
Family
ID=6384517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT02079090A IT1249010B (it) | 1989-07-07 | 1990-06-27 | Pompa per vuoto ad alette e celle |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE4020082C2 (de) |
FR (1) | FR2649449A1 (de) |
IT (1) | IT1249010B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19500542B4 (de) * | 1995-01-11 | 2004-02-12 | Pierburg Gmbh | Drehkolbenpumpe |
BRPI0407932B1 (pt) * | 2003-06-30 | 2013-04-02 | rotor de metal sinterizado de uma bomba de Êmbolo rotativo. | |
DE102004034925B3 (de) * | 2004-07-09 | 2006-02-16 | Joma-Hydromechanic Gmbh | Einflügelvakuumpumpe |
EP3426924B1 (de) * | 2016-03-10 | 2020-02-26 | WABCO Europe BVBA | Doppelflügel-rotationsvakuumpumpe |
WO2018217173A1 (en) * | 2017-05-25 | 2018-11-29 | Nanyang Technological University | Rotary vane apparatus |
CN111456846A (zh) * | 2020-03-10 | 2020-07-28 | 魏善兆 | 一种流体发动机 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3131442A1 (de) * | 1981-08-07 | 1983-02-24 | Mitsubishi Electric Corp | Pumpe |
DE3507176A1 (de) * | 1984-04-09 | 1985-10-31 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Fluegelzellenpumpe |
JPS61152987A (ja) * | 1984-12-26 | 1986-07-11 | Nippon Piston Ring Co Ltd | 回転式流体ポンプ用ロ−タの製造方法 |
DD235694A1 (de) * | 1985-03-29 | 1986-05-14 | Fortschr Land Maschinen Veb An | Rotor fuer zellenverdichter in leichtbauweise |
EP0205036B1 (de) * | 1985-06-13 | 1989-05-31 | B a r m a g AG | Flügelzellenpumpe |
DD299483A7 (de) * | 1989-06-22 | 1992-04-23 | Zwetkow,Zwetko,Bg | Rotor fuer vakuumpumpen und verdichter |
-
1990
- 1990-06-23 DE DE4020082A patent/DE4020082C2/de not_active Expired - Fee Related
- 1990-06-27 IT IT02079090A patent/IT1249010B/it active IP Right Grant
- 1990-07-04 FR FR9008495A patent/FR2649449A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE4020082A1 (de) | 1991-01-17 |
IT9020790A1 (it) | 1991-12-27 |
DE4020082C2 (de) | 1998-09-03 |
FR2649449A1 (fr) | 1991-01-11 |
IT9020790A0 (de) | 1990-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |