EP0355680A1 - Dispositif d'amortissement pour des pompes à débit pulsatoire - Google Patents
Dispositif d'amortissement pour des pompes à débit pulsatoire Download PDFInfo
- Publication number
- EP0355680A1 EP0355680A1 EP89115070A EP89115070A EP0355680A1 EP 0355680 A1 EP0355680 A1 EP 0355680A1 EP 89115070 A EP89115070 A EP 89115070A EP 89115070 A EP89115070 A EP 89115070A EP 0355680 A1 EP0355680 A1 EP 0355680A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- damping device
- pulsating
- pumps
- containers
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
- F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
Definitions
- Pumps such as piston pumps, diaphragm pumps, peristaltic pumps and the like, deliver intermittently, which is problematic for many delivery tasks.
- Devices are known for damping the shocks and thus for equalizing the volume flow, in which the pressure shocks of the pump are compensated by a spring-loaded membrane.
- the main disadvantage is the cleaning and maintenance of the moving parts that have such devices.
- the object is achieved by a device which is characterized in that collapsible and gas-filled containers are arranged in a container which is closed on all sides and is provided with a feed line and a discharge line for the medium to be conveyed.
- the container can have a closure through which the containers are accessible.
- the container can also be provided with a pressure gauge and the collapsible containers can consist of air-filled foil bags.
- the device which can be manufactured inexpensively, is suitable, among other things, for operating chromatography columns. It evens out volume flows of up to 50 l / hour at pressures of up to 20 bar.
- a container 1 which is closed on all sides and whose cavity is accessible via a screw closure 4 has a feed line 2 and a discharge line 3 for the medium to be conveyed.
- a feed line 2 and a discharge line 3 for the medium to be conveyed.
- collapsible and gas-filled containers 5 e.g. air-filled foil bags arranged.
- 6 indicates a pressure gauge and 7 a sealing washer.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Packages (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Pipe Accessories (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8810454U | 1988-08-18 | ||
DE8810454U DE8810454U1 (de) | 1988-08-18 | 1988-08-18 | Vorrichtung zum Dämpfen von stoßweise fördernden Pumpen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0355680A1 true EP0355680A1 (fr) | 1990-02-28 |
Family
ID=6827020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89115070A Withdrawn EP0355680A1 (fr) | 1988-08-18 | 1989-08-16 | Dispositif d'amortissement pour des pompes à débit pulsatoire |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0355680A1 (fr) |
JP (1) | JPH0285596A (fr) |
DE (1) | DE8810454U1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431770A1 (de) * | 1993-09-07 | 1995-03-09 | Walbro Corp | Druckimpulsdämpfer |
EP0865829A3 (fr) * | 1995-01-09 | 1998-12-02 | Campbell Hausfeld/Scott Fetzer Company | Amortisseur pour admission de pistolet à pulvérisation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR66705E (fr) * | 1954-06-03 | 1957-08-19 | P Berthoud Ets | Pompe à liquide actionnée par un tracteur agricole ou analogue |
US3212602A (en) * | 1962-06-13 | 1965-10-19 | Newport News S & D Co | Noise attenuation apparatus for liquid conducting conduits |
DE1703951A1 (de) * | 1968-08-03 | 1972-02-24 | Netzsch Maschinenfabrik | Windkessel mit einer Einrichtung zur Zufuhr von Druckgas |
WO1984000797A1 (fr) * | 1982-08-09 | 1984-03-01 | Rast Pty Ltd W | Procede et mecanisme d'absorption de chocs de pression |
-
1988
- 1988-08-18 DE DE8810454U patent/DE8810454U1/de not_active Expired
-
1989
- 1989-08-16 EP EP89115070A patent/EP0355680A1/fr not_active Withdrawn
- 1989-08-17 JP JP1210817A patent/JPH0285596A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR66705E (fr) * | 1954-06-03 | 1957-08-19 | P Berthoud Ets | Pompe à liquide actionnée par un tracteur agricole ou analogue |
US3212602A (en) * | 1962-06-13 | 1965-10-19 | Newport News S & D Co | Noise attenuation apparatus for liquid conducting conduits |
DE1703951A1 (de) * | 1968-08-03 | 1972-02-24 | Netzsch Maschinenfabrik | Windkessel mit einer Einrichtung zur Zufuhr von Druckgas |
WO1984000797A1 (fr) * | 1982-08-09 | 1984-03-01 | Rast Pty Ltd W | Procede et mecanisme d'absorption de chocs de pression |
Non-Patent Citations (1)
Title |
---|
AIR CONDITIONING HEATING AND VENTILATING, Band 54, Nr. 11, November 1957, Seite 116; "Water shock arrestor" * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4431770A1 (de) * | 1993-09-07 | 1995-03-09 | Walbro Corp | Druckimpulsdämpfer |
DE4431770C2 (de) * | 1993-09-07 | 1998-07-02 | Walbro Corp | Druckimpulsdämpfer |
EP0865829A3 (fr) * | 1995-01-09 | 1998-12-02 | Campbell Hausfeld/Scott Fetzer Company | Amortisseur pour admission de pistolet à pulvérisation |
Also Published As
Publication number | Publication date |
---|---|
JPH0285596A (ja) | 1990-03-27 |
DE8810454U1 (de) | 1988-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19900731 |