EP0073940A2 - Pompe de dosage - Google Patents

Pompe de dosage Download PDF

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Publication number
EP0073940A2
EP0073940A2 EP82107147A EP82107147A EP0073940A2 EP 0073940 A2 EP0073940 A2 EP 0073940A2 EP 82107147 A EP82107147 A EP 82107147A EP 82107147 A EP82107147 A EP 82107147A EP 0073940 A2 EP0073940 A2 EP 0073940A2
Authority
EP
European Patent Office
Prior art keywords
pump
dosing
metering
suction
piston
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.)
Granted
Application number
EP82107147A
Other languages
German (de)
English (en)
Other versions
EP0073940A3 (en
EP0073940B1 (fr
Inventor
Hans Arens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gruenbeck Wasseraufbereitung GmbH
Original Assignee
Gruenbeck Wasseraufbereitung GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25614326&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0073940(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gruenbeck Wasseraufbereitung GmbH filed Critical Gruenbeck Wasseraufbereitung GmbH
Priority to AT82107147T priority Critical patent/ATE23605T1/de
Publication of EP0073940A2 publication Critical patent/EP0073940A2/fr
Publication of EP0073940A3 publication Critical patent/EP0073940A3/de
Application granted granted Critical
Publication of EP0073940B1 publication Critical patent/EP0073940B1/fr
Expired legal-status Critical Current

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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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities

Definitions

  • the figure shows a schematic representation of a metering pump connected to a water supply with a metering agent container, partly in a sectional view.
  • the metering pump 1 comprises a pump cylinder 2 with an inlet located at the top in the vertical direction and an outlet 3 near its lower end. Above the pump cylinder 2 there is a metering piston 4 which moves back and forth relative to the pump cylinder by means of a schematically illustrated lifting drive 5 and is thus immersed in or dipped out of it.
  • the stroke drive 5 is connected by means of a control line 6 to a pulse generator 7, which delivers control pulses to the stroke drive as a function of the amount of liquid flowing through a line 8.
  • the pump cylinder 2 is connected at its top to a pre-delivery chamber 9, which is formed from a housing 10.
  • the walls of the housing 10 can be in the form of membrane clamps 12, 13 which laterally clamp in a membrane 11.
  • the lower part of the housing 10 is tightly connected to the pump cylinder wall.
  • At a distance from the pump cylinder wall there is an outlet 14 to which a tubular line is attached 15 connects.
  • the outlet 14 is located at a level above the inlet side of the pump cylinder 2, viewed in the vertical direction.
  • the line 15 leads to a dosing agent container 16, which preferably has a flexible bladder 17 containing the dosing agent, which is carried by a support container 18.
  • the support container has ventilation openings 19.
  • the line 15 is tightly connected to the inside of the flexible bladder 17. In this way, a bacteria-proof connection is created between line 15 and dosing agent container, since no ventilation of the dosing medium is required.
  • a conventional dosing agent container can also be used, in which air flows in according to the amount of dosing agent extracted.
  • a bacteria filter can be provided in the ventilation opening so that this air flows into the container in a germ-free manner.
  • a pressure valve 20 is directly connected to the outlet 3, which in the exemplary embodiment shown is designed as a spring-loaded ball valve.
  • a connecting line 23 leading to a metering point 22 connects to the pressure valve.
  • the pressure valve 20 is provided as close as possible to the pump cylinder and preferably directly at the outlet thereof.
  • the line 15 has a first area 25 with a steep slope connected to the outlet 14 and a second area 26 with a steep slope connected to the metering container, and an area 24 in between with little or no slope.
  • a pump sump 27 is provided on the underside of the area 24, the top of which is towards the inside of the tube area 24 is open.
  • the pump cylinder 2 has an opening 29 on its bottom 28, which lies at the bottom in the vertical direction, which leads into the interior of the pump sump 27 via a suction valve 30 and a suction line 31 directly adjoining it.
  • the suction line extends almost to the bottom of the pump sump.
  • the membrane 11 is connected to the metering piston, for example by means of a fastening disk 32, such that the membrane is moved as the metering piston is raised or lowered.
  • the size of the pre-delivery chamber and the stroke movement through the membrane 11 are dimensioned such that the stroke volume of the membrane is greater than the volume of the suction line 15.
  • the metering piston 4 is exchanged with the lifting of the membrane 11 out of the pump cylinder 2, so that a part of the conveyed dosing agent completely envelops the pump cylinder 2 and an excess 32 ′ of dosing agent remains in the pre-delivery chamber 9. With the downward movement of the pump piston 4 and membrane 11, the metering now takes place, and the majority of the metering agent still in the pre-conveying space is conveyed back into the metering agent container 16. Above the metering piston 4, part 32 of the pre-conveyed amount of the metering agent remains, because the outlet 14, viewed in the vertical direction, has a higher level than the upper inlet of the pump cylinder 2. The height difference between the inlet 14 and the inlet of the pump cylinder is chosen such that a desired section of the Pump cylinder jacket always remains in the metered quantity delivered, in order to avoid the formation of deposits on the metering piston.
  • the sump 27 is constantly filled with dosing agent while the dosing liquid is being sucked in and returned.
  • dosing agent is sucked out of the pump sump 27 via the suction line 31 and the suction valve 30 into the pump cylinder 2, so that evacuation in this space leading to crystallization or polymerization is avoided.
  • the size of the pump sump 27 is selected so that there is always enough liquid during suction and prevents that, during operation, pulsating air, for example in line 15, can penetrate into suction valve 30 of metering pump 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP82107147A 1981-09-03 1982-08-06 Pompe de dosage Expired EP0073940B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82107147T ATE23605T1 (de) 1981-09-03 1982-08-06 Dosierpumpe.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3134940 1981-09-03
DE3134940A DE3134940C2 (de) 1981-09-03 1981-09-03 Dosierpumpe
AU10932/83A AU1093283A (en) 1981-09-03 1983-02-02 Diaphragm dosing pump

Publications (3)

Publication Number Publication Date
EP0073940A2 true EP0073940A2 (fr) 1983-03-16
EP0073940A3 EP0073940A3 (en) 1984-08-01
EP0073940B1 EP0073940B1 (fr) 1986-11-12

Family

ID=25614326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82107147A Expired EP0073940B1 (fr) 1981-09-03 1982-08-06 Pompe de dosage

Country Status (9)

Country Link
US (1) US4515537A (fr)
EP (1) EP0073940B1 (fr)
JP (1) JPS5844279A (fr)
AU (1) AU1093283A (fr)
BE (1) BE894159A (fr)
DE (1) DE3134940C2 (fr)
FR (1) FR2512122B1 (fr)
GB (1) GB2104977B (fr)
IT (1) IT1155058B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117969A2 (fr) * 1983-01-08 1984-09-12 Lang Apparatebau Gmbh Pompe doseuse à piston ayant une membrane
EP0141068A2 (fr) * 1983-08-11 1985-05-15 Lang Apparatebau Gmbh Pompe doseuse à plongeur
EP0182321A2 (fr) * 1984-11-19 1986-05-28 Forschungszentrum Jülich Gmbh Procédé et dispositif pour la détermination chromatographique des composants d'échantillons liquides
EP0599003A1 (fr) * 1992-11-26 1994-06-01 Gütling Gmbh Appareillage et procédé pour le régénération d'une installation d'échangeur d'ions

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403270A (nl) * 1984-10-29 1986-05-16 Unilever Nv Doseerinrichting voor vloeibare produkten.
US4858789A (en) * 1988-04-04 1989-08-22 Loctite Corporation Sealless modular positive displacement dispenser
DE3928411A1 (de) * 1989-08-28 1991-03-07 Gruenbeck Josef Wasseraufb Dosierpumpe
JPH0799140B2 (ja) * 1989-12-28 1995-10-25 株式会社丸山製作所 多連式往復ポンプ
JPH03246380A (ja) * 1990-02-23 1991-11-01 Masaru Kuwabara 高粘度ポンプ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120945A5 (fr) * 1970-12-28 1972-08-18 Mec O Matic Cy

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US862867A (en) * 1906-03-28 1907-08-06 Lewis Watson Eggleston Pneumatic pumping apparatus.
FR648768A (fr) * 1927-12-31 1928-12-15 Appareil pour doser et distribuer des liquides
DE579779C (de) * 1928-09-25 1933-06-30 Henri Renaud Messpumpe, deren Zylinder durch einen hoeher gelegenen Behaelter gespeist wird
DE1133628B (de) * 1958-05-31 1962-07-19 Lewa Herbert Ott K G Hydraulische Membranpumpe, insbesondere Dosierpumpe, mit einer Vorrichtung zur Ergaenzung der UEbertragungsfluessigkeit
US3128782A (en) * 1961-02-13 1964-04-14 Alexander S Limpert Small volume feeder pump and process of proportional feeding
DE1528633A1 (de) * 1965-05-08 1969-07-31 Schulz Zoeller Geb Zoeller Kombinierte dosierende Pumpe
DE2034816A1 (de) * 1970-07-14 1972-01-20 Audi NSU Auto Union AG, 7107 Neckars ulm Forder und Dosierpumpe
BE800023A (nl) * 1973-05-25 1973-09-17 Unitas Sa Pomp voor het verpompen van kleine hoeveelheden gedoseerde vloeistoffen,
US4035109A (en) * 1975-08-25 1977-07-12 Drath Edwin H Pump for fluent, and especially heavy and abrasive materials
DE2651614C2 (de) * 1976-11-12 1984-10-04 Lang Apparatebau GmbH, 8227 Siegsdorf Dosierpumpe
US4139122A (en) * 1977-04-29 1979-02-13 Peter Bauer Dispensing pump having no check valves
DE7733135U1 (de) * 1977-10-27 1978-03-23 Sukatsch, Alexander, 6702 Bad Duerkheim Dosierpumpe
DE2803471C2 (de) * 1978-01-27 1980-01-03 Dulger, Viktor, 6900 Heidelberg Dosierpumpenkopf
DE2831437C2 (de) * 1978-07-18 1983-12-15 Webasto-Werk W. Baier GmbH & Co, 8035 Gauting Förder- und Dosierpumpe
DK143719C (da) * 1979-01-03 1982-03-08 Radiometer As Fremgangsmaade til udluftning af en vaeskedoserende stempelpumpe og stempelpumpe med et arrangement til brug ved udoevelse affremgangsmaaden
US4375864A (en) * 1980-07-21 1983-03-08 Scholle Corporation Container for holding and dispensing fluid
US4336800A (en) * 1980-08-01 1982-06-29 Oximetrix, Inc. Intravenous metering device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120945A5 (fr) * 1970-12-28 1972-08-18 Mec O Matic Cy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MACHINERY, Band 56, Nr. 3, November 1949, Seite 207; E.F. MOSTHAF: "Simple diaphragm pump for removal of liquids". *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117969A2 (fr) * 1983-01-08 1984-09-12 Lang Apparatebau Gmbh Pompe doseuse à piston ayant une membrane
EP0117969A3 (en) * 1983-01-08 1986-05-14 Lang Apparatebau Gmbh Dosing piston pump with diaphragm
EP0141068A2 (fr) * 1983-08-11 1985-05-15 Lang Apparatebau Gmbh Pompe doseuse à plongeur
EP0141068A3 (en) * 1983-08-11 1986-05-14 Lang Apparatebau Gmbh Dosing pump having a plunger
EP0182321A2 (fr) * 1984-11-19 1986-05-28 Forschungszentrum Jülich Gmbh Procédé et dispositif pour la détermination chromatographique des composants d'échantillons liquides
EP0182321A3 (en) * 1984-11-19 1988-01-07 Kernforschungsanlage Julich Gesellschaft Mit Beschrankter Haftung Method and apparatus for chromatographic determination of components of liquid samples
EP0599003A1 (fr) * 1992-11-26 1994-06-01 Gütling Gmbh Appareillage et procédé pour le régénération d'une installation d'échangeur d'ions
US5460724A (en) * 1992-11-26 1995-10-24 Guetling Gmbh Apparatus and method for the regeneration of an ion exchanger installation

Also Published As

Publication number Publication date
JPS5844279A (ja) 1983-03-15
IT1155058B (it) 1987-01-21
DE3134940A1 (de) 1983-03-17
EP0073940A3 (en) 1984-08-01
US4515537A (en) 1985-05-07
FR2512122A1 (fr) 1983-03-04
EP0073940B1 (fr) 1986-11-12
IT8223066A0 (it) 1982-08-31
FR2512122B1 (fr) 1986-02-28
DE3134940C2 (de) 1983-12-15
AU1093283A (en) 1984-08-09
GB2104977A (en) 1983-03-16
BE894159A (fr) 1982-12-16
GB2104977B (en) 1985-02-20

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