JPS4833643B1 - - Google Patents
Info
- Publication number
- JPS4833643B1 JPS4833643B1 JP1365968A JP1365968A JPS4833643B1 JP S4833643 B1 JPS4833643 B1 JP S4833643B1 JP 1365968 A JP1365968 A JP 1365968A JP 1365968 A JP1365968 A JP 1365968A JP S4833643 B1 JPS4833643 B1 JP S4833643B1
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|
| JPS4833643B1 true JPS4833643B1 (ja) | 1973-10-16 |
Family
ID=11144673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1365968A Pending JPS4833643B1 (ja) | 1967-03-16 | 1968-03-04 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4833643B1 (ja) |
| AT (1) | AT275010B (ja) |
| CH (1) | CH473315A (ja) |
| DE (1) | DE1628271C3 (ja) |
| FI (1) | FI49874C (ja) |
| FR (1) | FR1555392A (ja) |
| NL (1) | NL6803663A (ja) |
| NO (1) | NO131555C (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145572U (ja) * | 1979-04-03 | 1980-10-18 | ||
| JPS5655074U (ja) * | 1979-10-03 | 1981-05-13 | ||
| WO2018139070A1 (ja) * | 2017-01-30 | 2018-08-02 | 株式会社 荏原製作所 | 液封式真空ポンプ |
| JP2019132216A (ja) * | 2018-02-01 | 2019-08-08 | 株式会社荏原製作所 | ２段液封式真空ポンプ |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3440101A1 (de) * | 1984-11-02 | 1986-07-10 | Loewe Pumpenfabrik GmbH, 2120 Lüneburg | Wasserringpumpe |
| DE4240871A1 (de) * | 1992-08-10 | 1994-02-17 | Graf Werner | Flüssiger Kolben in Arbeitsmaschinen, z. B. in Verdichtern und Antriebsmaschinen |
| DE20200839U1 (de) * | 2002-01-21 | 2003-05-28 | Speck Pumpenfabrik Walter Spec | Zweistufige Flüssigkeitsringpumpe in Blockbauweise |
-
1967
- 1967-11-18 DE DE19671628271 patent/DE1628271C3/de not_active Expired
-
1968
- 1968-02-23 CH CH263268A patent/CH473315A/it not_active IP Right Cessation
- 1968-02-26 AT AT178368A patent/AT275010B/de 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/fi active
- 1968-03-14 NL NL6803663A patent/NL6803663A/xx unknown
- 1968-03-14 NO NO98468A patent/NO131555C/no unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145572U (ja) * | 1979-04-03 | 1980-10-18 | ||
| JPS5655074U (ja) * | 1979-10-03 | 1981-05-13 | ||
| WO2018139070A1 (ja) * | 2017-01-30 | 2018-08-02 | 株式会社 荏原製作所 | 液封式真空ポンプ |
| CN110199125A (zh) * | 2017-01-30 | 2019-09-03 | 株式会社荏原制作所 | 液封式真空泵 |
| US11143186B2 (en) | 2017-01-30 | 2021-10-12 | Ebara Corporation | Liquid ring vacuum pump |
| CN110199125B (zh) * | 2017-01-30 | 2022-02-01 | 株式会社荏原制作所 | 两级液封式真空泵以及液封式真空泵 |
| JP2019132216A (ja) * | 2018-02-01 | 2019-08-08 | 株式会社荏原製作所 | ２段液封式真空ポンプ |
Also Published As
| Publication number | Publication date |
|---|---|
| CH473315A (it) | 1969-05-31 |
| DE1628271B2 (de) | 1973-08-02 |
| DE1628271A1 (de) | 1971-08-12 |
| NO131555B (ja) | 1975-03-10 |
| FI49874C (fi) | 1975-10-10 |
| FR1555392A (ja) | 1969-01-24 |
| DE1628271C3 (de) | 1974-02-28 |
| NL6803663A (ja) | 1968-09-17 |
| FI49874B (ja) | 1975-06-30 |
| NO131555C (ja) | 1975-06-18 |
| AT275010B (de) | 1969-10-10 |