EP1907806A2 - Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement - Google Patents

Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement

Info

Publication number
EP1907806A2
EP1907806A2 EP06774688A EP06774688A EP1907806A2 EP 1907806 A2 EP1907806 A2 EP 1907806A2 EP 06774688 A EP06774688 A EP 06774688A EP 06774688 A EP06774688 A EP 06774688A EP 1907806 A2 EP1907806 A2 EP 1907806A2
Authority
EP
European Patent Office
Prior art keywords
valve
air
pump
piston
operated pump
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
EP06774688A
Other languages
German (de)
English (en)
Other versions
EP1907806A4 (fr
EP1907806B1 (fr
Inventor
Mark L. Bauck
Mark T. Weinberger
David M. Behrens
Vu K. Nguyen
Christopher M. Lange
Wade D. Palashewski
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.)
Graco Minnesota Inc
Original Assignee
Graco Minnesota Inc
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 Graco Minnesota Inc filed Critical Graco Minnesota Inc
Priority to PL06774688T priority Critical patent/PL1907806T3/pl
Publication of EP1907806A2 publication Critical patent/EP1907806A2/fr
Publication of EP1907806A4 publication Critical patent/EP1907806A4/fr
Application granted granted Critical
Publication of EP1907806B1 publication Critical patent/EP1907806B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/12—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air
    • F04B9/123—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber
    • F04B9/125—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor
    • 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
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L2003/25—Valve configurations in relation to engine

Definitions

  • Air-operated reciprocating piston pumps are well known for the pumping of various fluids. Such pumps typically have mechanically or pneumatically operated air valves to control the flow of air to the two sides of the piston. Control of such pumps has traditionally been by monitoring and controlling the resulting fluid flow rather than the pump itself. Prior art devices such as Graco's EXTREME-MIXTM proportioner have monitored the position of the piston for purposes of control.
  • the control uses a magnet mounted in the valve cup of the air motor and two reed sensors mounted in the valve cover to monitor the speed and position of the valve.
  • a solenoid is mounted on the valve cover and can be commanded to extend a plunger into the valve cup to stop valve movement and therefore the pump from running away (typically caused by the fluid supply being empty.)
  • the user interface comprises an LCD and buttons to set up and control the pump.
  • the display can be toggled to display cycle rate, flow rate (in various units), total cycles and diagnostic errors.
  • Setup parameters can include fluid units (quarts, liters, etc.) and the runaway set point.
  • the reed switches and magnets are located so as to detect when the air valve is at the extreme position of each stroke or in transition or both.
  • the controller calculates the rate at which the motor is running by counting the opening and closing of the reed switches activated by the varying positions of the air valve.
  • the controller compares that rate to a pre-programmed value to determine if the air motor is in a runaway condition. The that condition is present, the controller activates the solenoid preventing changeover which stops the motor. This acts to prevent spilled fluid and/or pump damage.
  • a magnetoresistive sensor is located in the center of the air motor to precisely monitor the piston position.
  • the data from this sensor in conjunction with that from the air valve sensors provides the input necessary for precise control and diagnostics of the pump and makes it suitable for metering and plural component application.
  • Figure 1 shows a cross-section of the air valve as part of the instant invention showing the magnets and reed switches.
  • Figure 2 shows a detail of the Figure 1 cross-section of the air valve as part of the instant invention.
  • Figure 3 shows a cross-section (opposite that of Figure 1) of the air valve as part of the instant invention showing the solenoid.
  • Figure 4 shows a view of a pump incorporating the instant invention.
  • Figure 5 shows a detail of the user interface of the instant invention.
  • Figure 6 shows the diagnostic codes which may be obtained by sensing the sir valve.
  • Figure 7 shows the piston and magnetoresistive sensor.
  • the controller 12 uses a magnet 14 mounted in the valve cup 16 of the air motor 18 and two reed sensors 20 mounted in the valve cover 22 to monitor the speed and position of the valve 16.
  • a solenoid 24 is mounted on the valve cover 22 and can be commanded to extend a plunger 26 into the valve cup 16 to stop valve movement and therefore the pump 10 from running away
  • the user interface 28 comprises an LCD display 30 and buttons 32 to set up and control the pump 10.
  • the display 30 can be toggled to display cycle rate, flow rate (in various units), total cycles and diagnostic errors.
  • Setup parameters can include fluid units (quarts, liters, etc.) and the runaway set point.
  • the reed switches 20 and magnets 14 are located so as to detect when the air valve 16 is at the extreme position of each stroke or in transition or both.
  • the controller 12 calculates the rate at which the motor 18 is running by counting the opening and closing of the reed switches 20 activated by the varying positions of the air valve 16.
  • the controller 12 compares that rate to a pre-programmed value to determine if the air motor 18 is in a runaway condition. The that condition is present, the controller 12 activates the solenoid 24 preventing changeover which stops the motor 18. This acts to prevent spilled fluid and/or pump damage.
  • a magnetoresistive sensor 34 is located in the center of the air motor 18 to precisely monitor the piston 36 position.
  • the data from this sensor 34 in conjunction with that from the air valve sensors 20 provides the input necessary for precise control and diagnostics of the pump 10 and makes it suitable for metering and plural component application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Compressor (AREA)

Abstract

Pompe (10) pneumatique qui utilise un aimant (14) monté dans la coupelle (16) de la soupape du moteur à air comprimé (18) et deux capteurs en peigne (20) montés dans le couvercle (22) de soupape pour réguler la vitesse et la position de la soupape (16). Un solénoïde (24) est monté sur le couvercle (22) de soupape et peut être commandé en vue d'étendre un poussoir (26) dans la coupelle (16) de la soupape pour arrêter le mouvement de la soupape et par conséquent empêcher la pompe de s'emballer. Un capteur magnétorésistif (34) est situé au centre du moteur à air comprimé (18) pour commander précisément la position du piston (36) et avec des capteurs (20) de soupape d'admission d'air, il fournit les signaux d'entrée nécessaires pour une commande et un diagnostic précis de la pompe (10), rendant cette dernière adaptée pour le dosage et pour des applications à plusieurs constituants.
EP06774688A 2005-07-28 2006-07-25 Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement Not-in-force EP1907806B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06774688T PL1907806T3 (pl) 2005-07-28 2006-07-25 Pompa tłokowa z monitorowanym elektronicznie zaworem powietrznym i tłokiem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US70330605P 2005-07-28 2005-07-28
US70429005P 2005-08-01 2005-08-01
PCT/US2006/028826 WO2007016081A2 (fr) 2005-07-28 2006-07-25 Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement

Publications (3)

Publication Number Publication Date
EP1907806A2 true EP1907806A2 (fr) 2008-04-09
EP1907806A4 EP1907806A4 (fr) 2009-09-16
EP1907806B1 EP1907806B1 (fr) 2012-10-24

Family

ID=37709113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06774688A Not-in-force EP1907806B1 (fr) 2005-07-28 2006-07-25 Pompe alternative pourvue d'une soupape d'admission d'air et d'un piston commandes electroniquement

Country Status (13)

Country Link
US (1) US20080199323A1 (fr)
EP (1) EP1907806B1 (fr)
JP (1) JP5237804B2 (fr)
KR (1) KR101197406B1 (fr)
CN (1) CN101233321B (fr)
AU (1) AU2006275975B2 (fr)
BR (1) BRPI0613878A2 (fr)
ES (1) ES2395776T3 (fr)
PL (1) PL1907806T3 (fr)
RU (1) RU2413096C2 (fr)
TW (1) TWI475157B (fr)
UA (1) UA89254C2 (fr)
WO (1) WO2007016081A2 (fr)

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US9677549B2 (en) 2005-07-28 2017-06-13 Graco Minnesota Inc. Reciprocating pump with electronically monitored air valve and piston
ES2363717T3 (es) * 2005-07-29 2011-08-12 Graco Minnesota Inc. Bomba alternativa con válvula de aire monitorizada electrónicamente que tiene una batería y monitorización electrónica por solenoide.
US7587897B2 (en) 2007-04-10 2009-09-15 Illinois Tool Works Inc. Magnetically sequenced pneumatic motor
US7603855B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Valve with magnetic detents
US7603854B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Pneumatically self-regulating valve
WO2013036240A1 (fr) 2011-09-09 2013-03-14 Ingersoll Rand Company Moteur pneumatique comportant une interface d'unité de commande logique programmable, et procédé de rattrapage d'un moteur pneumatique
CN102322416B (zh) * 2011-09-16 2015-02-25 唐山海森电子股份有限公司 精准化灌溉泵首智能控制保护柜
US9169088B2 (en) 2012-09-20 2015-10-27 Nordson Corporation Adhesive dispensing device having optimized cyclonic separator unit
US9304028B2 (en) 2012-09-20 2016-04-05 Nordson Corporation Adhesive dispensing device having optimized reservoir and capacitive level sensor
US10099242B2 (en) 2012-09-20 2018-10-16 Nordson Corporation Adhesive melter having pump mounted into heated housing
US9200741B2 (en) 2012-10-25 2015-12-01 Nordson Corporation Adhesive dispensing system and method using smart melt heater control
US9120115B2 (en) 2012-10-25 2015-09-01 Nordson Corporation Dispensing systems and methods for monitoring actuation signals for diagnostics
US9243626B2 (en) 2012-11-19 2016-01-26 Nordson Corporation Adhesive dispensing system and method including a pump with integrated diagnostics
US9574714B2 (en) 2013-07-29 2017-02-21 Nordson Corporation Adhesive melter and method having predictive maintenance for exhaust air filter
EP3599377B1 (fr) 2018-07-24 2020-11-04 Robatech AG Procédé de détermination d'un volume transporté au moyen d'une pompe à piston ainsi que pompe à piston à double effet et pneumatique, destinée à la mise en uvre dudit procédé
CN112969171B (zh) * 2021-02-26 2023-02-28 徐逸轩 浮空通讯装置，其组网通讯和数据传输方法
CN113790188B (zh) * 2021-09-26 2024-03-12 智涂机器人(深圳)有限公司 一种空气阀以及气动活塞泵

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Also Published As

Publication number Publication date
BRPI0613878A2 (pt) 2011-02-15
WO2007016081A9 (fr) 2007-04-12
TW200726911A (en) 2007-07-16
CN101233321B (zh) 2010-06-16
WO2007016081A2 (fr) 2007-02-08
US20080199323A1 (en) 2008-08-21
PL1907806T3 (pl) 2013-02-28
AU2006275975B2 (en) 2011-08-25
JP2009503338A (ja) 2009-01-29
EP1907806A4 (fr) 2009-09-16
AU2006275975A1 (en) 2007-02-08
KR101197406B1 (ko) 2012-11-05
WO2007016081A3 (fr) 2007-05-24
KR20080038136A (ko) 2008-05-02
EP1907806B1 (fr) 2012-10-24
RU2008107573A (ru) 2009-09-10
ES2395776T3 (es) 2013-02-15
CN101233321A (zh) 2008-07-30
TWI475157B (zh) 2015-03-01
UA89254C2 (uk) 2010-01-11
RU2413096C2 (ru) 2011-02-27
JP5237804B2 (ja) 2013-07-17

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