DE69819577D1 - Rootsgebläse mit Abdeckplattenkanälen - Google Patents
Rootsgebläse mit AbdeckplattenkanälenInfo
- Publication number
- DE69819577D1 DE69819577D1 DE69819577T DE69819577T DE69819577D1 DE 69819577 D1 DE69819577 D1 DE 69819577D1 DE 69819577 T DE69819577 T DE 69819577T DE 69819577 T DE69819577 T DE 69819577T DE 69819577 D1 DE69819577 D1 DE 69819577D1
- Authority
- DE
- Germany
- Prior art keywords
- compartment
- delivery manifold
- blower
- lobes
- cover plate
- 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 - Lifetime
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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/086—Carter
-
- 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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/122—Arrangements for supercharging the working space
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI970607 | 1997-03-17 | ||
IT97MI000607A IT1290106B1 (it) | 1997-03-17 | 1997-03-17 | Soffiante volumetrica con coperchi dotati di condotto di collegamento con il collettore di mandata |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69819577D1 true DE69819577D1 (de) | 2003-12-18 |
DE69819577T2 DE69819577T2 (de) | 2004-09-30 |
Family
ID=11376470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69819577T Expired - Lifetime DE69819577T2 (de) | 1997-03-17 | 1998-03-11 | Rootsgebläse mit Abdeckplattenkanälen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6176693B1 (de) |
EP (1) | EP0866227B1 (de) |
AT (1) | ATE254244T1 (de) |
DE (1) | DE69819577T2 (de) |
IT (1) | IT1290106B1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3991918B2 (ja) * | 2003-05-19 | 2007-10-17 | 株式会社豊田自動織機 | ルーツポンプ |
US8118024B2 (en) | 2003-08-04 | 2012-02-21 | Carefusion 203, Inc. | Mechanical ventilation system utilizing bias valve |
US7527053B2 (en) * | 2003-08-04 | 2009-05-05 | Cardinal Health 203, Inc. | Method and apparatus for attenuating compressor noise |
EP2374490A2 (de) * | 2003-08-04 | 2011-10-12 | CareFusion 203, Inc. | Tragbares Ventilatorsystem |
US8156937B2 (en) * | 2003-08-04 | 2012-04-17 | Carefusion 203, Inc. | Portable ventilator system |
US20050112013A1 (en) * | 2003-08-04 | 2005-05-26 | Pulmonetic Systems, Inc. | Method and apparatus for reducing noise in a roots-type blower |
US7607437B2 (en) * | 2003-08-04 | 2009-10-27 | Cardinal Health 203, Inc. | Compressor control system and method for a portable ventilator |
JP2007321655A (ja) * | 2006-06-01 | 2007-12-13 | Anlet Co Ltd | ルーツ式真空ポンプ |
US7997885B2 (en) * | 2007-12-03 | 2011-08-16 | Carefusion 303, Inc. | Roots-type blower reduced acoustic signature method and apparatus |
US8888711B2 (en) * | 2008-04-08 | 2014-11-18 | Carefusion 203, Inc. | Flow sensor |
DE202009012158U1 (de) * | 2009-09-08 | 2011-02-03 | Hugo Vogelsang Maschinenbau Gmbh | Drehkolbenpumpe |
JP5370298B2 (ja) * | 2010-07-14 | 2013-12-18 | 株式会社豊田自動織機 | ルーツ式流体機械 |
DE202010011626U1 (de) | 2010-08-20 | 2010-10-21 | Hugo Vogelsang Maschinenbau Gmbh | Drehkolbenpumpe |
USD745056S1 (en) * | 2012-06-04 | 2015-12-08 | Eaton Corporation | Blower housing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB309685A (en) * | 1928-03-02 | 1929-04-18 | Torkild Valdemar Hemmingsen | Improvements in power plants comprising internal combustion engines and rotary motors |
US2111568A (en) * | 1935-02-12 | 1938-03-22 | Lysholm Alf | Rotary compressor |
DE865864C (de) * | 1945-02-27 | 1953-02-05 | Messerschmitt Boelkow Blohm | Zahnradpumpe, insbesondere zur Foerderung von Fluessigkeiten in Flugmotoren |
US2489887A (en) * | 1946-07-11 | 1949-11-29 | Roots Connersville Blower Corp | Rotary pump |
US4215977A (en) * | 1977-11-14 | 1980-08-05 | Calspan Corporation | Pulse-free blower |
DE3238015C2 (de) * | 1982-10-13 | 1986-07-31 | Aerzener Maschinenfabrik Gmbh, 3251 Aerzen | Roots-Kompressor |
DE3318519A1 (de) * | 1983-05-20 | 1984-11-22 | Albrecht Dr.-Ing. 7994 Langenargen Hartmann | Aussenachsige drehkolbenmaschine mit kaemmeingriff |
DE3527292A1 (de) | 1985-07-30 | 1987-02-12 | Aerzener Maschf Gmbh | Verfahren zum komprimieren von gasfoermigem foerdermedium sowie roots-kompressor zur durchfuehrung des verfahrens |
-
1997
- 1997-03-17 IT IT97MI000607A patent/IT1290106B1/it active IP Right Grant
-
1998
- 1998-03-11 EP EP98200773A patent/EP0866227B1/de not_active Expired - Lifetime
- 1998-03-11 DE DE69819577T patent/DE69819577T2/de not_active Expired - Lifetime
- 1998-03-11 AT AT98200773T patent/ATE254244T1/de not_active IP Right Cessation
- 1998-03-13 US US09/042,410 patent/US6176693B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0866227A1 (de) | 1998-09-23 |
US6176693B1 (en) | 2001-01-23 |
IT1290106B1 (it) | 1998-10-19 |
ATE254244T1 (de) | 2003-11-15 |
EP0866227B1 (de) | 2003-11-12 |
DE69819577T2 (de) | 2004-09-30 |
ITMI970607A1 (it) | 1998-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |