EP1907806A2 - Reciprocating pump with electronically monitored air valve and piston - Google Patents
Reciprocating pump with electronically monitored air valve and pistonInfo
- 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
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.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06774688T PL1907806T3 (en) | 2005-07-28 | 2006-07-25 | Reciprocating pump with electronically monitored air valve and piston |
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 (en) | 2005-07-28 | 2006-07-25 | Reciprocating pump with electronically monitored air valve and piston |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1907806A2 true EP1907806A2 (en) | 2008-04-09 |
EP1907806A4 EP1907806A4 (en) | 2009-09-16 |
EP1907806B1 EP1907806B1 (en) | 2012-10-24 |
Family
ID=37709113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06774688A Active EP1907806B1 (en) | 2005-07-28 | 2006-07-25 | Reciprocating pump with electronically monitored air valve and piston |
Country Status (13)
Country | Link |
---|---|
US (1) | US20080199323A1 (en) |
EP (1) | EP1907806B1 (en) |
JP (1) | JP5237804B2 (en) |
KR (1) | KR101197406B1 (en) |
CN (1) | CN101233321B (en) |
AU (1) | AU2006275975B2 (en) |
BR (1) | BRPI0613878A2 (en) |
ES (1) | ES2395776T3 (en) |
PL (1) | PL1907806T3 (en) |
RU (1) | RU2413096C2 (en) |
TW (1) | TWI475157B (en) |
UA (1) | UA89254C2 (en) |
WO (1) | WO2007016081A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9677549B2 (en) * | 2005-07-28 | 2017-06-13 | Graco Minnesota Inc. | Reciprocating pump with electronically monitored air valve and piston |
CN101233322B (en) * | 2005-07-29 | 2010-09-08 | 格雷索明尼苏达有限公司 | Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring |
US7603855B2 (en) | 2007-04-10 | 2009-10-20 | Illinois Tool Works Inc. | Valve with magnetic detents |
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 |
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 |
CN102322416B (en) * | 2011-09-16 | 2015-02-25 | 唐山海森电子股份有限公司 | Intelligent control protective cabinet for precision irrigation pump head |
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 (en) | 2018-07-24 | 2020-11-04 | Robatech AG | Method for determining a volume transported by means of a piston pump and double-acting, pneumatically driven piston pump for carrying out the method |
CN112969171B (en) * | 2021-02-26 | 2023-02-28 | 徐逸轩 | Floating communication device, networking communication method thereof and data transmission method |
CN113790188B (en) * | 2021-09-26 | 2024-03-12 | 智涂机器人(深圳)有限公司 | Air valve and pneumatic piston pump |
Citations (4)
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GB1187026A (en) * | 1966-07-28 | 1970-04-08 | J F Eardley Ltd | An Improvement in or relating to Apparatus for Dispensing Liquid. |
GB1237701A (en) * | 1968-02-02 | 1971-06-30 | Simon Handling Eng Ltd | Improvements in or relating to metering pumps of the reciprocating type |
EP0279931A2 (en) * | 1987-02-27 | 1988-08-31 | J. Wagner GmbH | Membrane pump |
US5360445A (en) * | 1991-11-06 | 1994-11-01 | International Business Machines Corporation | Blood pump actuator |
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-
2006
- 2006-07-25 ES ES06774688T patent/ES2395776T3/en active Active
- 2006-07-25 BR BRPI0613878-0A patent/BRPI0613878A2/en not_active IP Right Cessation
- 2006-07-25 CN CN2006800277605A patent/CN101233321B/en not_active Expired - Fee Related
- 2006-07-25 JP JP2008524063A patent/JP5237804B2/en not_active Expired - Fee Related
- 2006-07-25 PL PL06774688T patent/PL1907806T3/en unknown
- 2006-07-25 RU RU2008107573/06A patent/RU2413096C2/en not_active IP Right Cessation
- 2006-07-25 WO PCT/US2006/028826 patent/WO2007016081A2/en active Application Filing
- 2006-07-25 US US11/996,402 patent/US20080199323A1/en not_active Abandoned
- 2006-07-25 KR KR1020087002082A patent/KR101197406B1/en active IP Right Grant
- 2006-07-25 UA UAA200802598A patent/UA89254C2/en unknown
- 2006-07-25 AU AU2006275975A patent/AU2006275975B2/en not_active Ceased
- 2006-07-25 EP EP06774688A patent/EP1907806B1/en active Active
- 2006-07-27 TW TW095127524A patent/TWI475157B/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1187026A (en) * | 1966-07-28 | 1970-04-08 | J F Eardley Ltd | An Improvement in or relating to Apparatus for Dispensing Liquid. |
GB1237701A (en) * | 1968-02-02 | 1971-06-30 | Simon Handling Eng Ltd | Improvements in or relating to metering pumps of the reciprocating type |
EP0279931A2 (en) * | 1987-02-27 | 1988-08-31 | J. Wagner GmbH | Membrane pump |
US5360445A (en) * | 1991-11-06 | 1994-11-01 | International Business Machines Corporation | Blood pump actuator |
Non-Patent Citations (1)
Title |
---|
See also references of WO2007016081A2 * |
Also Published As
Publication number | Publication date |
---|---|
KR101197406B1 (en) | 2012-11-05 |
CN101233321A (en) | 2008-07-30 |
TW200726911A (en) | 2007-07-16 |
AU2006275975B2 (en) | 2011-08-25 |
WO2007016081A3 (en) | 2007-05-24 |
RU2413096C2 (en) | 2011-02-27 |
JP2009503338A (en) | 2009-01-29 |
US20080199323A1 (en) | 2008-08-21 |
TWI475157B (en) | 2015-03-01 |
EP1907806B1 (en) | 2012-10-24 |
RU2008107573A (en) | 2009-09-10 |
BRPI0613878A2 (en) | 2011-02-15 |
EP1907806A4 (en) | 2009-09-16 |
WO2007016081A2 (en) | 2007-02-08 |
AU2006275975A1 (en) | 2007-02-08 |
JP5237804B2 (en) | 2013-07-17 |
CN101233321B (en) | 2010-06-16 |
WO2007016081A9 (en) | 2007-04-12 |
KR20080038136A (en) | 2008-05-02 |
PL1907806T3 (en) | 2013-02-28 |
UA89254C2 (en) | 2010-01-11 |
ES2395776T3 (en) | 2013-02-15 |
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