WO2007016081A2 - Reciprocating pump with electronically monitored air valve and piston - Google Patents

Reciprocating pump with electronically monitored air valve and piston Download PDF

Info

Publication number
WO2007016081A2
WO2007016081A2 PCT/US2006/028826 US2006028826W WO2007016081A2 WO 2007016081 A2 WO2007016081 A2 WO 2007016081A2 US 2006028826 W US2006028826 W US 2006028826W WO 2007016081 A2 WO2007016081 A2 WO 2007016081A2
Authority
WO
WIPO (PCT)
Prior art keywords
valve
air
pump
piston
operated pump
Prior art date
Application number
PCT/US2006/028826
Other languages
English (en)
French (fr)
Other versions
WO2007016081A9 (en
WO2007016081A3 (en
Inventor
Mark L. Bauck
Mark T. Weinberger
David M. Behrens
Vu K. Nguyen
Christopher M. Lange
Wade D. Palashewski
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
Priority to BRPI0613878-0A priority Critical patent/BRPI0613878A2/pt
Priority to AU2006275975A priority patent/AU2006275975B2/en
Priority to PL06774688T priority patent/PL1907806T3/pl
Priority to UAA200802598A priority patent/UA89254C2/uk
Application filed by Graco Minnesota Inc. filed Critical Graco Minnesota Inc.
Priority to JP2008524063A priority patent/JP5237804B2/ja
Priority to KR1020087002082A priority patent/KR101197406B1/ko
Priority to EP06774688A priority patent/EP1907806B1/en
Priority to CN2006800277605A priority patent/CN101233321B/zh
Priority to US11/996,402 priority patent/US20080199323A1/en
Priority to ES06774688T priority patent/ES2395776T3/es
Publication of WO2007016081A2 publication Critical patent/WO2007016081A2/en
Publication of WO2007016081A9 publication Critical patent/WO2007016081A9/en
Publication of WO2007016081A3 publication Critical patent/WO2007016081A3/en
Priority to US12/498,074 priority patent/US9677549B2/en
Priority to US14/747,360 priority patent/US9677550B2/en

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)
  • Compressor (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
PCT/US2006/028826 2005-07-28 2006-07-25 Reciprocating pump with electronically monitored air valve and piston WO2007016081A2 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
KR1020087002082A KR101197406B1 (ko) 2005-07-28 2006-07-25 전자식으로 모니터되는 에어 밸브 및 피스톤을 구비한 왕복펌프
PL06774688T PL1907806T3 (pl) 2005-07-28 2006-07-25 Pompa tłokowa z monitorowanym elektronicznie zaworem powietrznym i tłokiem
UAA200802598A UA89254C2 (uk) 2005-07-28 2006-07-25 Зворотно-поступальний насос з електронним контролем повітряного клапана і поршня
CN2006800277605A CN101233321B (zh) 2005-07-28 2006-07-25 具有电子监控的空气阀和活塞的往复泵
JP2008524063A JP5237804B2 (ja) 2005-07-28 2006-07-25 電子的にモニタされた空気バルブ及びピストンを有する往復ポンプ
AU2006275975A AU2006275975B2 (en) 2005-07-28 2006-07-25 Reciprocating pump with electronically monitored air valve and piston
EP06774688A EP1907806B1 (en) 2005-07-28 2006-07-25 Reciprocating pump with electronically monitored air valve and piston
BRPI0613878-0A BRPI0613878A2 (pt) 2005-07-28 2006-07-25 bomba de ação alternada com válvula de ar e pistão eletronicamente monitorados
US11/996,402 US20080199323A1 (en) 2005-07-28 2006-07-25 Reciprocating Pump with Electronically Monitored Air Valve and Piston
ES06774688T ES2395776T3 (es) 2005-07-28 2006-07-25 Bomba alternativa con válvula de aire monitorizada electrónicamente y pistón
US12/498,074 US9677549B2 (en) 2005-07-28 2009-07-06 Reciprocating pump with electronically monitored air valve and piston
US14/747,360 US9677550B2 (en) 2005-07-28 2015-06-23 Reciprocating pump with electronically monitored air valve and piston

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US70330605P 2005-07-28 2005-07-28
US60/703,306 2005-07-28
US70429005P 2005-08-01 2005-08-01
US60/704,290 2005-08-01

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US11/996,402 A-371-Of-International US20080199323A1 (en) 2005-07-28 2006-07-25 Reciprocating Pump with Electronically Monitored Air Valve and Piston
US12/498,074 Continuation-In-Part US9677549B2 (en) 2005-07-28 2009-07-06 Reciprocating pump with electronically monitored air valve and piston

Publications (3)

Publication Number Publication Date
WO2007016081A2 true WO2007016081A2 (en) 2007-02-08
WO2007016081A9 WO2007016081A9 (en) 2007-04-12
WO2007016081A3 WO2007016081A3 (en) 2007-05-24

Family

ID=37709113

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/028826 WO2007016081A2 (en) 2005-07-28 2006-07-25 Reciprocating pump with electronically monitored air valve and piston

Country Status (13)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7587897B2 (en) 2007-04-10 2009-09-15 Illinois Tool Works Inc. Magnetically sequenced pneumatic motor
US7603854B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Pneumatically self-regulating valve
US7603855B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Valve with magnetic detents
EP2273114A1 (en) * 2009-07-06 2011-01-12 Graco Minnesota Inc. Reciprocating pump with electronically monitored air valve and piston
US9003950B2 (en) 2011-09-09 2015-04-14 Ingersoll-Rand Company Air motor having a programmable logic controller interface and a method of retrofitting an air motor

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UA93051C2 (uk) * 2005-07-29 2011-01-10 Грако Міннесота Інк. Спосіб керування поршневим пневматичним насосом (варіанти)
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
US9304028B2 (en) 2012-09-20 2016-04-05 Nordson Corporation Adhesive dispensing device having optimized reservoir and capacitive level sensor
US9169088B2 (en) 2012-09-20 2015-10-27 Nordson Corporation Adhesive dispensing device having optimized cyclonic separator unit
US10099242B2 (en) 2012-09-20 2018-10-16 Nordson Corporation Adhesive melter having pump mounted into heated housing
US9120115B2 (en) 2012-10-25 2015-09-01 Nordson Corporation Dispensing systems and methods for monitoring actuation signals for diagnostics
US9200741B2 (en) 2012-10-25 2015-12-01 Nordson Corporation Adhesive dispensing system and method using smart melt heater control
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 (de) 2018-07-24 2020-11-04 Robatech AG Verfahren zum bestimmen eines mittels einer kolbenpumpe geförderten volumens sowie doppeltwirkende, pneumatisch antreibbare kolbenpumpe zur durchführung des verfahrens
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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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9677550B2 (en) 2005-07-28 2017-06-13 Graco Minnesota Inc. Reciprocating pump with electronically monitored air valve and piston
US9677549B2 (en) 2005-07-28 2017-06-13 Graco Minnesota Inc. Reciprocating pump with electronically monitored air valve and piston
US7587897B2 (en) 2007-04-10 2009-09-15 Illinois Tool Works Inc. Magnetically sequenced pneumatic motor
US7603854B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Pneumatically self-regulating valve
US7603855B2 (en) 2007-04-10 2009-10-20 Illinois Tool Works Inc. Valve with magnetic detents
EP2273114A1 (en) * 2009-07-06 2011-01-12 Graco Minnesota Inc. Reciprocating pump with electronically monitored air valve and piston
US9003950B2 (en) 2011-09-09 2015-04-14 Ingersoll-Rand Company Air motor having a programmable logic controller interface and a method of retrofitting an air motor

Also Published As

Publication number Publication date
RU2008107573A (ru) 2009-09-10
RU2413096C2 (ru) 2011-02-27
UA89254C2 (uk) 2010-01-11
EP1907806A4 (en) 2009-09-16
CN101233321B (zh) 2010-06-16
PL1907806T3 (pl) 2013-02-28
JP5237804B2 (ja) 2013-07-17
BRPI0613878A2 (pt) 2011-02-15
EP1907806A2 (en) 2008-04-09
AU2006275975A1 (en) 2007-02-08
TWI475157B (zh) 2015-03-01
ES2395776T3 (es) 2013-02-15
US20080199323A1 (en) 2008-08-21
AU2006275975B2 (en) 2011-08-25
JP2009503338A (ja) 2009-01-29
TW200726911A (en) 2007-07-16
KR20080038136A (ko) 2008-05-02
EP1907806B1 (en) 2012-10-24
CN101233321A (zh) 2008-07-30
KR101197406B1 (ko) 2012-11-05
WO2007016081A9 (en) 2007-04-12
WO2007016081A3 (en) 2007-05-24

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