FR2180332A5 - - Google Patents
Info
- Publication number
- FR2180332A5 FR2180332A5 FR7312683A FR7312683A FR2180332A5 FR 2180332 A5 FR2180332 A5 FR 2180332A5 FR 7312683 A FR7312683 A FR 7312683A FR 7312683 A FR7312683 A FR 7312683A FR 2180332 A5 FR2180332 A5 FR 2180332A5
- 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
-
- 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
-
- 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
- F04C19/001—General arrangements, plants, flowsheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722217022 DE2217022C3 (en) | 1972-04-08 | 1972-04-08 | Liquid ring vacuum pump with circulating tank |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2180332A5 true FR2180332A5 (en) | 1973-11-23 |
Family
ID=5841405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7312683A Expired FR2180332A5 (en) | 1972-04-08 | 1973-04-09 |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT324523B (en) |
BE (1) | BE797933A (en) |
CH (1) | CH562404A5 (en) |
DE (1) | DE2217022C3 (en) |
DK (1) | DK139540C (en) |
FR (1) | FR2180332A5 (en) |
GB (1) | GB1379378A (en) |
IT (1) | IT982094B (en) |
NL (1) | NL173301C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2324907A1 (en) * | 1975-09-22 | 1977-04-15 | Siemens Ag | MOTORCYCLE PUMP UNIT WITH A LIQUID RING PUMP |
EP0169336A1 (en) * | 1984-05-30 | 1986-01-29 | Itt Industries, Inc. | Control and actuation system, especially for water ring vacuum pumps |
EP0174454A2 (en) * | 1984-07-12 | 1986-03-19 | LOEWE Pumpenfabrik GmbH | Installation for the minimalisation of cooling liquid consumption, especially for liquid ring vacuum pumps or similar pumps |
EP0186776A1 (en) * | 1984-12-07 | 1986-07-09 | Siemens Aktiengesellschaft | Apparatus for the production of a vacuum |
WO1989012169A1 (en) * | 1988-05-30 | 1989-12-14 | Siemens Aktiengesellschaft | Vacuum pump unit arranged on a transportable support frame |
BE1008367A3 (en) * | 1994-01-25 | 1996-04-02 | Atlas Copco Airpower Nv | Compressor unit |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4307271C2 (en) * | 1993-03-04 | 1995-01-19 | Siemens Ag | Liquid ring pump unit with a separator |
DE4417607C1 (en) * | 1994-05-19 | 1995-10-19 | Siemens Ag | Pump unit |
DE10156180B4 (en) * | 2001-11-15 | 2015-10-15 | Oerlikon Leybold Vacuum Gmbh | Cooled screw vacuum pump |
DE10156179A1 (en) | 2001-11-15 | 2003-05-28 | Leybold Vakuum Gmbh | Cooling a screw vacuum pump |
CN103362777A (en) * | 2013-08-13 | 2013-10-23 | 无锡市四方真空设备有限公司 | Closed type circulation self-suction system |
CN104358688A (en) * | 2014-10-28 | 2015-02-18 | 南通御丰塑钢包装有限公司 | Water ring vacuum pump unit |
CN111594441B (en) * | 2020-05-21 | 2022-10-14 | 上海工程技术大学 | Small-volume water-saving water ring pump device |
CN112360780B (en) * | 2020-11-10 | 2022-05-24 | 珠海创烨科技有限公司 | Ceramic vacuum pump |
-
1972
- 1972-04-08 DE DE19722217022 patent/DE2217022C3/en not_active Expired
-
1973
- 1973-04-07 CH CH503073A patent/CH562404A5/xx not_active IP Right Cessation
- 1973-04-09 DK DK189073A patent/DK139540C/en not_active IP Right Cessation
- 1973-04-09 NL NL7304943A patent/NL173301C/en not_active IP Right Cessation
- 1973-04-09 GB GB1700073A patent/GB1379378A/en not_active Expired
- 1973-04-09 IT IT941373A patent/IT982094B/en active
- 1973-04-09 FR FR7312683A patent/FR2180332A5/fr not_active Expired
- 1973-04-09 AT AT307273A patent/AT324523B/en not_active IP Right Cessation
- 1973-04-09 BE BE129783A patent/BE797933A/en not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2324907A1 (en) * | 1975-09-22 | 1977-04-15 | Siemens Ag | MOTORCYCLE PUMP UNIT WITH A LIQUID RING PUMP |
EP0169336A1 (en) * | 1984-05-30 | 1986-01-29 | Itt Industries, Inc. | Control and actuation system, especially for water ring vacuum pumps |
US4655688A (en) * | 1984-05-30 | 1987-04-07 | Itt Industries, Inc. | Control for liquid ring vacuum pumps |
EP0174454A2 (en) * | 1984-07-12 | 1986-03-19 | LOEWE Pumpenfabrik GmbH | Installation for the minimalisation of cooling liquid consumption, especially for liquid ring vacuum pumps or similar pumps |
EP0174454A3 (en) * | 1984-07-12 | 1986-11-20 | Itt Industries Inc. | Installation for the minimalisation of cooling liquid consumption, especially for liquid ring vacuum pumps or similar pumps |
EP0186776A1 (en) * | 1984-12-07 | 1986-07-09 | Siemens Aktiengesellschaft | Apparatus for the production of a vacuum |
WO1989012169A1 (en) * | 1988-05-30 | 1989-12-14 | Siemens Aktiengesellschaft | Vacuum pump unit arranged on a transportable support frame |
BE1008367A3 (en) * | 1994-01-25 | 1996-04-02 | Atlas Copco Airpower Nv | Compressor unit |
Also Published As
Publication number | Publication date |
---|---|
DK139540C (en) | 1979-08-13 |
DE2217022C3 (en) | 1975-03-27 |
CH562404A5 (en) | 1975-05-30 |
GB1379378A (en) | 1975-01-02 |
AT324523B (en) | 1975-09-10 |
IT982094B (en) | 1974-10-21 |
DE2217022B2 (en) | 1974-08-15 |
NL7304943A (en) | 1973-10-10 |
DE2217022A1 (en) | 1973-10-18 |
DK139540B (en) | 1979-03-05 |
NL173301C (en) | 1984-01-02 |
NL173301B (en) | 1983-08-01 |
BE797933A (en) | 1973-07-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |