BR7909020A - Anel liquido de dois estagios - Google Patents
Anel liquido de dois estagiosInfo
- Publication number
- BR7909020A BR7909020A BR7909020A BR7909020A BR7909020A BR 7909020 A BR7909020 A BR 7909020A BR 7909020 A BR7909020 A BR 7909020A BR 7909020 A BR7909020 A BR 7909020A BR 7909020 A BR7909020 A BR 7909020A
- Authority
- BR
- Brazil
- Prior art keywords
- liquid ring
- stage liquid
- stage
- ring
- liquid
- Prior art date
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
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
- F04C19/004—Details concerning the operating liquid, e.g. nature, separation, cooling, cleaning, control of the supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1979/000586 WO1981000438A1 (en) | 1979-08-09 | 1979-08-09 | Two stage liquid ring pump |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7909020A true BR7909020A (pt) | 1981-06-09 |
Family
ID=22147658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7909020A BR7909020A (pt) | 1979-08-09 | 1979-08-09 | Anel liquido de dois estagios |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0033726B1 (pt) |
BR (1) | BR7909020A (pt) |
DE (1) | DE2967131D1 (pt) |
WO (1) | WO1981000438A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5366348A (en) * | 1993-09-24 | 1994-11-22 | Graham Manufacturing Co., Inc. | Method and apparatus for selectively varying the flow rate of service liquid through a two stage liquid ring vacuum pump |
DE19758340A1 (de) * | 1997-12-22 | 1999-07-08 | Gardner Denver Wittig Gmbh | Mehrflutige Flüssigkeitsringpumpe |
DE19932632A1 (de) * | 1999-07-13 | 2001-02-01 | Siemens Ag | Zweistufige Flüssigkeitsringmaschine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE617521C (de) * | 1934-03-29 | 1935-08-20 | Siemens Schuckertwerke Akt Ges | Verdichter mit kreisendem Fluessigkeitsring |
GB691425A (en) * | 1950-06-03 | 1953-05-13 | Otto Siemen | Improvements in or relating to two stage liquid-ring air-pumps |
US3108738A (en) * | 1958-12-30 | 1963-10-29 | Siemen & Hinsch Gmbh | Liquid-ring gas pumps |
US3217975A (en) * | 1964-12-17 | 1965-11-16 | Nash Engineering Co | Pump device |
DE1503605B2 (de) * | 1965-04-28 | 1971-05-27 | Siemens AG, 1000 Berlin u 8000 München | Rueckschlagventil fuer eine fluessigkeitsringgaspumpe |
GB1284473A (en) * | 1969-04-26 | 1972-08-09 | Siemens Ag | Improvements in or relating to liquid ring pumps |
US4132504A (en) * | 1976-04-07 | 1979-01-02 | General Signal Corporation | Liquid ring pump |
US4083658A (en) * | 1976-09-08 | 1978-04-11 | Siemens Aktiengesellschaft | Liquid ring compressor including a calibrated gas input opening |
-
1979
- 1979-08-09 DE DE7979901584T patent/DE2967131D1/de not_active Expired
- 1979-08-09 BR BR7909020A patent/BR7909020A/pt not_active IP Right Cessation
- 1979-08-09 WO PCT/US1979/000586 patent/WO1981000438A1/en unknown
-
1981
- 1981-02-24 EP EP79901584A patent/EP0033726B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2967131D1 (en) | 1984-08-30 |
EP0033726B1 (en) | 1984-07-25 |
EP0033726A1 (en) | 1981-08-19 |
WO1981000438A1 (en) | 1981-02-19 |
EP0033726A4 (en) | 1981-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK | Patent expired |
Effective date: 19940809 |