FR1555392A - - Google Patents
Info
- Publication number
- FR1555392A FR1555392A FR1555392DA FR1555392A FR 1555392 A FR1555392 A FR 1555392A FR 1555392D A FR1555392D A FR 1555392DA FR 1555392 A FR1555392 A FR 1555392A
- 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
- F04C19/00—Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
- F04C19/005—Details concerning the admission or discharge
- F04C19/008—Port members in the form of conical or cylindrical pieces situated in the centre of the impeller
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1382567 | 1967-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1555392A true FR1555392A (en) | 1969-01-24 |
Family
ID=11144673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1555392D Expired FR1555392A (en) | 1967-03-16 | 1968-03-08 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4833643B1 (en) |
| AT (1) | AT275010B (en) |
| CH (1) | CH473315A (en) |
| DE (1) | DE1628271C3 (en) |
| FI (1) | FI49874C (en) |
| FR (1) | FR1555392A (en) |
| NL (1) | NL6803663A (en) |
| NO (1) | NO131555C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145572U (en) * | 1979-04-03 | 1980-10-18 | ||
| JPS5655074U (en) * | 1979-10-03 | 1981-05-13 | ||
| DE3440101A1 (en) * | 1984-11-02 | 1986-07-10 | Loewe Pumpenfabrik GmbH, 2120 Lüneburg | Water ring pump |
| DE4240871A1 (en) * | 1992-08-10 | 1994-02-17 | Graf Werner | Compressor operating on fluid piston principle - uses fluid medium to close one side of working chamber |
| DE20200839U1 (en) * | 2002-01-21 | 2003-05-28 | Speck-Pumpenfabrik Walter Speck GmbH & Co. KG, 91154 Roth | Two-stage liquid ring pump is built in block construction, with pump casing flanged directly on drive motor of bearing pedestal, and with second working chamber rotationally offset in relation to first working chamber |
| US11143186B2 (en) | 2017-01-30 | 2021-10-12 | Ebara Corporation | Liquid ring vacuum pump |
| JP2019132216A (en) * | 2018-02-01 | 2019-08-08 | 株式会社荏原製作所 | Two-stage liquid-sealed vacuum pump |
-
1967
- 1967-11-18 DE DE19671628271 patent/DE1628271C3/en not_active Expired
-
1968
- 1968-02-23 CH CH263268A patent/CH473315A/en not_active IP Right Cessation
- 1968-02-26 AT AT178368A patent/AT275010B/en active
- 1968-03-04 JP JP1365968A patent/JPS4833643B1/ja active Pending
- 1968-03-08 FR FR1555392D patent/FR1555392A/fr not_active Expired
- 1968-03-13 FI FI69468A patent/FI49874C/en active
- 1968-03-14 NL NL6803663A patent/NL6803663A/xx unknown
- 1968-03-14 NO NO98468A patent/NO131555C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI49874C (en) | 1975-10-10 |
| FI49874B (en) | 1975-06-30 |
| NL6803663A (en) | 1968-09-17 |
| CH473315A (en) | 1969-05-31 |
| NO131555B (en) | 1975-03-10 |
| DE1628271A1 (en) | 1971-08-12 |
| JPS4833643B1 (en) | 1973-10-16 |
| AT275010B (en) | 1969-10-10 |
| DE1628271B2 (en) | 1973-08-02 |
| DE1628271C3 (en) | 1974-02-28 |
| NO131555C (en) | 1975-06-18 |