EP1280996B1 - Dosierpumpe zum fördern von flüssigkeiten - Google Patents

Dosierpumpe zum fördern von flüssigkeiten Download PDF

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Publication number
EP1280996B1
EP1280996B1 EP00920319A EP00920319A EP1280996B1 EP 1280996 B1 EP1280996 B1 EP 1280996B1 EP 00920319 A EP00920319 A EP 00920319A EP 00920319 A EP00920319 A EP 00920319A EP 1280996 B1 EP1280996 B1 EP 1280996B1
Authority
EP
European Patent Office
Prior art keywords
driving gear
dosing pump
pump
shaft
pump according
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.)
Expired - Lifetime
Application number
EP00920319A
Other languages
English (en)
French (fr)
Other versions
EP1280996A1 (de
Inventor
Philippe Zimmermann
Joseph Ruegg
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.)
Pomtava SA
Original Assignee
Pomtava SA
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
Application filed by Pomtava SA filed Critical Pomtava SA
Publication of EP1280996A1 publication Critical patent/EP1280996A1/de
Application granted granted Critical
Publication of EP1280996B1 publication Critical patent/EP1280996B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0076—Fixing rotors on shafts, e.g. by clamping together hub and shaft
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
    • 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
    • F04C2220/00—Application
    • F04C2220/24—Application for metering throughflow

Definitions

  • the gears 30 and 31 are not supported by any shaft, being only guided in rotation by the outer peripheral surface of the teeth in sliding contact on the inner periphery of the lobes of the chamber 110.
  • the lubrication of the moving surfaces relative between them is ensured by the pumping product.
  • the shaft 40 connected in a non-rigid manner to the driving gear 30 by its end 41 is only used for driving said gear, without having any support or guiding function.
  • the shaft 40, respectively its end 41 can therefore only transmit a torque to the driving gear 30, to the exclusion of any other force in any direction.
  • the gears 30 and 31 no longer being guided laterally by a shaft, they can be positioned laterally under the effect of the pressure of the pumping product acting on their lateral faces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Cookers (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Claims (11)

  1. Zahnrad-Dosierpumpe mit einem Pumpenkörper (1) mit einer aus mindestens zwei zylindrischen schneidenden Flügeln, wobei ein erster Flügel ein antreibendes Zahnrad (30) aufnimmt, wobei mindestens ein zweiter Flügel ein angetriebenes Zahnrad (31) aufnimmt, wobei die besagten Zahnräder nur über ihren äußeren Umfang auf die innere Umfangsfläche eines jeden Flügels gestützt getragen werden, wobei die Drehung des antreibenden Zahnrads (30) von einer Antriebswelle (40) angetrieben wird, deren Ende (41) in eine axiale Aufnahme (300) des besagten antreibenden Zahnrads eingeführt ist, wobei die Form des besagten Wellenendes (41) mit der Form der besagten axialen Aufnahme zusammenwirkt, um dem besagten antreibenden Zahnrad (30) ein Antriebsmoment zu liefern, wobei die Antriebswelle (40) kein radiales oder axiales Tragoder Führungsmittel für das antreibende Zahnrad (30) bietet,
       dadurch gekennzeichnet, dass
       sie eine auf die Antriebswelle (40) montierte Dichtung (5) umfasst, wobei die besagte Dichtung an der zum antreibenden Zahnrad (30) hin gerichteten Fläche einer Vorderplatte (12) des Pumpenkörpers in unmittelbarer Nähe des Endes (41) der besagten Welle montiert ist.
  2. Dosierpumpe nach Anspruch 1, dadurch gekennzeichnet, dass die Dichtung (5) aus einer mechanischen Dichtung besteht, die eine in einer zur Antriebswelle (40) koaxialen Aufnahme (121) angeordneten Hülse (50) umfasst, wobei die besagte Hülse von elastischen Mitteln (51) gegen einen seitlichen Wandabschnitt des antreibenden Zahnrads (30) gedrückt wird, wobei die besagte Dichtung Mittel umfasst, die die Rotation der Hülse (50) verhindern können, wobei die besagte Hülse einen O-Ring (52) trägt, der die Dichtheit der besagten koaxialen Aufnahme (121) gewährleistet.
  3. Dosierpumpe nach Anspruch 2, dadurch gekennzeichnet, dass die elastischen Mittel (51) so bemessen sind, dass sie eine von der Hülse (50) übertragene axiale Kraft auf das antreibende Zahnrad (30) ausüben, die die axiale Kraft aus der anderen Richtung, die aufgrund der Differenz der Seitenflächen des antreibenden Zahnrads (30) entsteht, auf die der Druck des Pumpprodukts ausgeübt wird, ausgleichen können.
  4. Dosierpumpe nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, dass sie ferner eine Versorgung (53) mit einer Sperrflüssigkeit umfasst, die auf der Seite des O-Rings (52) in die besagte koaxiale Aufnahme (121) mündet, die derjenigen, die zum antreibenden Zahnrad (30) hin gerichtet ist, gegenüberliegt.
  5. Dosierpumpe nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie einer Codiervorrichtung (43) zugeordnet ist, die ein zur Anzahl der von einem der Zahnräder (30, 31) der Pumpe ausgeführten Umdrehungen proportionales Signal (430) liefern kann.
  6. Dosierpumpe nach Anspruch 5, dadurch gekennzeichnet, dass das besagte Signal (430) an eine Steuereinheit (44) gesendet wird, die das Pumpverfahren gemäß dem empfangenen Signal regeln kann.
  7. Dosierpumpe nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie einem Motor (41) zugeordnet ist, der die Drehung der besagten Antriebswelle (40) antreiben kann.
  8. Dosierpumpe nach Anspruch 7, dadurch gekennzeichnet, dass die Antriebswelle (40) eine flexible Welle ist.
  9. Dosierpumpe nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie einem robotisierten Arm zugeordnet ist, der insbesondere ein festes Sockelteil und einen mobilen Arm umfasst.
  10. Dosierpumpe nach Anspruch 9, dadurch gekennzeichnet, dass der Pumpenkörper (1) sowie der Motor (41) an dem besagten mobilen Arm des robotisierten Arms montiert sind.
  11. Dosierpumpe nach Anspruch 9, dadurch gekennzeichnet, dass der Pumpenkörper (1) an dem mobilen Arm montiert ist, während der Motor (41) an dem Sockelteil des robotisierten Arms montiert ist.
EP00920319A 2000-05-08 2000-05-08 Dosierpumpe zum fördern von flüssigkeiten Expired - Lifetime EP1280996B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2000/000255 WO2001086150A1 (fr) 2000-05-08 2000-05-08 Pompe de dosage pour produits liquides

Publications (2)

Publication Number Publication Date
EP1280996A1 EP1280996A1 (de) 2003-02-05
EP1280996B1 true EP1280996B1 (de) 2004-03-31

Family

ID=4358072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920319A Expired - Lifetime EP1280996B1 (de) 2000-05-08 2000-05-08 Dosierpumpe zum fördern von flüssigkeiten

Country Status (6)

Country Link
US (1) US6857860B1 (de)
EP (1) EP1280996B1 (de)
AT (1) ATE263315T1 (de)
AU (1) AU2000240967A1 (de)
DE (1) DE60009577T2 (de)
WO (1) WO2001086150A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135326A1 (de) * 2007-05-03 2008-11-13 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7309218B1 (en) * 2004-11-10 2007-12-18 Graham Louis Lewis Gear pump
DE102005016670B4 (de) * 2005-04-12 2010-08-19 LacTec Gesellschaft für moderne Lackiertechnik mbH Lackdosierpumpe
US20100098571A1 (en) * 2005-11-15 2010-04-22 Foam In Place Co. Ltd. Pump Apparatus and Methods for Using Same
WO2007057846A2 (en) * 2005-11-15 2007-05-24 Foam In Place Co.Ltd. Substance injecting apparatuses and methods for using same
DE102005059563A1 (de) * 2005-12-13 2007-06-14 Dürr Systems GmbH Dosierpumpe
DE102006022570A1 (de) * 2006-05-15 2007-11-29 Dürr Systems GmbH Beschichtungseinrichtung und zugehöriges Betriebsverfahren
US20080172986A1 (en) * 2007-01-19 2008-07-24 Fipco Packing material production and bagging apparatus and methods for using same
DE202009001525U1 (de) * 2009-02-06 2010-06-24 Inatec Gmbh Zahnradpumpe
US8951130B2 (en) 2011-03-25 2015-02-10 Toyota Motor Engineering & Manufacturing North America, Inc. Flexible shaft assemblies
US8496457B2 (en) * 2011-10-31 2013-07-30 Nordson Corporation Metering gear pump with integral flow indicator
FR2987406A1 (fr) 2012-02-27 2013-08-30 Pomtava Sa Pompe de dosage de peinture
CN103967783B (zh) * 2014-05-27 2019-01-15 合肥力威汽车油泵有限公司 一种齿轮泵端盖
DE102018205932A1 (de) * 2018-04-18 2019-10-24 Henkel Ag & Co. Kgaa Pumpe mit einer Produktkammer
DE202021001972U1 (de) 2021-06-05 2021-11-15 Felix Brinckmann Totraumarme Berstpatrone zur Überdrucksicherung für Fluide

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US2649740A (en) * 1950-06-06 1953-08-25 Thompson Prod Inc High-pressure pump
DE1403912A1 (de) 1960-12-27 1969-01-30 Licentia Gmbh Zahnradpumpe
US3133506A (en) * 1961-08-15 1964-05-19 Luciani Louis Gear pump having internal bearings and seals
US3286643A (en) * 1963-10-14 1966-11-22 Dowty Technical Dev Ltd Gear pumps and motors
FR2163935A5 (de) * 1971-12-07 1973-07-27 Rhone Poulenc Sa
CH668296A5 (de) * 1980-09-12 1988-12-15 Barmag Barmer Maschf Austragspumpe zum austragen von schmelzfluessigen polymeren.
US4737087A (en) * 1984-12-10 1988-04-12 Barmag Ag Drive shaft seal for gear pump and method
US4699575A (en) * 1986-02-12 1987-10-13 Robotics, Inc. Adhesive pump and it's control system
US4856427A (en) 1986-04-11 1989-08-15 Baldwin Technology Corp. Ink metering assembly
AU4656989A (en) * 1988-11-14 1990-06-12 Oden Corporation Precision filling machine
DE3903195C2 (de) 1989-02-03 1996-02-08 Martin Melchior Druckprüfvorrichtung für Druckleitungen
JPH0441984A (ja) * 1990-06-06 1992-02-12 Kioritz Corp 歯車ポンプ
US5244367A (en) 1990-11-30 1993-09-14 Aeroquip Corporation Gear pump with a resilient means for biasing a side wear plate
US5391068A (en) * 1994-02-15 1995-02-21 Eaton Corporation Gear pump
US5797520A (en) * 1996-09-24 1998-08-25 Northrop Grumman Corporation Metering system and method for use with fluids having a high solid content
US5890656A (en) * 1996-12-16 1999-04-06 Abb Flexible Automation Inc. Integrated gear pump dispenser for robotic dispensing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008135326A1 (de) * 2007-05-03 2008-11-13 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe

Also Published As

Publication number Publication date
DE60009577T2 (de) 2005-03-24
ATE263315T1 (de) 2004-04-15
US6857860B1 (en) 2005-02-22
EP1280996A1 (de) 2003-02-05
DE60009577D1 (de) 2004-05-06
WO2001086150A1 (fr) 2001-11-15
AU2000240967A1 (en) 2001-11-20

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