EP1446339A4 - Continuous positive displacement metering valve - Google Patents

Continuous positive displacement metering valve

Info

Publication number
EP1446339A4
EP1446339A4 EP01981885A EP01981885A EP1446339A4 EP 1446339 A4 EP1446339 A4 EP 1446339A4 EP 01981885 A EP01981885 A EP 01981885A EP 01981885 A EP01981885 A EP 01981885A EP 1446339 A4 EP1446339 A4 EP 1446339A4
Authority
EP
European Patent Office
Prior art keywords
valve
metering valve
positive displacement
meter chamber
dispense
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
EP01981885A
Other languages
German (de)
French (fr)
Other versions
EP1446339A1 (en
EP1446339B1 (en
Inventor
Richard Jefferson
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.)
Delaware Capital Formation Inc
Original Assignee
Delaware Capital Formation Inc
Capital Formation 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 Delaware Capital Formation Inc, Capital Formation Inc filed Critical Delaware Capital Formation Inc
Publication of EP1446339A1 publication Critical patent/EP1446339A1/en
Publication of EP1446339A4 publication Critical patent/EP1446339A4/en
Application granted granted Critical
Publication of EP1446339B1 publication Critical patent/EP1446339B1/en
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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F04B7/0011—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber and having an oscillating movement
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Reciprocating Pumps (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Fluid-Driven Valves (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Coating Apparatus (AREA)
  • Taps Or Cocks (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

A continuous operation metering valve, based on true volumetric positive displacement technology, uses an innovative dual rack and drive pinion design that enables the valve (34) to dispense from one meter chamber (32) while the other meter chamber (32) is filling. This provides greater dispense cycle rates because it does not require a fill or reload period. With an optional encoder-controlled motor (42), the inventive metering valve is capable of almost unlimited precision dispensing with "on-the-fly" adjustment capability. The metering valve is easily disassembled and cleaned, using stainless steel wetted path components and Teflon seals for the widest range of chemical compatibility. An integral electronic board, mounted to the side of the valve, may be utilized to control the 4-way directional valve and motor direction (when not using a rotary encoder control).
EP01981885A 2001-10-15 2001-10-15 Continuous positive displacement metering valve Expired - Lifetime EP1446339B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/042749 WO2003040000A1 (en) 2001-10-15 2001-10-15 Continuous positive displacement metering valve

Publications (3)

Publication Number Publication Date
EP1446339A1 EP1446339A1 (en) 2004-08-18
EP1446339A4 true EP1446339A4 (en) 2005-01-12
EP1446339B1 EP1446339B1 (en) 2007-03-21

Family

ID=21742974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01981885A Expired - Lifetime EP1446339B1 (en) 2001-10-15 2001-10-15 Continuous positive displacement metering valve

Country Status (7)

Country Link
EP (1) EP1446339B1 (en)
JP (1) JP4164029B2 (en)
CN (1) CN1270081C (en)
AT (1) ATE357595T1 (en)
CA (1) CA2463721C (en)
DE (1) DE60127467T2 (en)
WO (1) WO2003040000A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051321A1 (en) * 2006-10-24 2008-04-30 Lenhardt Maschinenbau Gmbh Method for injecting sealant between panes of double-glazing units uses nozzle connected to two pairs of tanks, each pair being filled with sealant or sealant component which is fed to nozzle by reciprocating piston connected to both tanks
CN113776619B (en) * 2021-09-15 2024-03-26 智涂机器人(深圳)有限公司 Liquid meter and metering equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612729A (en) * 1968-03-29 1971-10-12 Rhone Poulenc Sa Volumetric metering pump
GB1425167A (en) * 1972-06-01 1976-02-18 Lucas Industries Ltd Apparatus for continuously monitoring fluid flow
US4708603A (en) * 1986-06-13 1987-11-24 Eishin Technology Company, Ltd. Variable displacement pump
US4880365A (en) * 1988-02-04 1989-11-14 Austin Richard D Cement pump with removable discharge chamber cartridge
EP0556613A1 (en) * 1992-02-05 1993-08-25 UNIVER S.p.A. Rack and pinion pneumatic actuator with counter-pressure control and damping device
US5284423A (en) * 1991-02-27 1994-02-08 University Hospital (London) Development Corporation Computer controlled positive displacement pump for physiological flow simulation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647325A (en) * 1968-04-15 1972-03-07 Cons Concrete Ltd Concrete pump
US4067666A (en) * 1976-07-19 1978-01-10 Whiteman Manufacturing Company Concrete pumping apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612729A (en) * 1968-03-29 1971-10-12 Rhone Poulenc Sa Volumetric metering pump
GB1425167A (en) * 1972-06-01 1976-02-18 Lucas Industries Ltd Apparatus for continuously monitoring fluid flow
US4708603A (en) * 1986-06-13 1987-11-24 Eishin Technology Company, Ltd. Variable displacement pump
US4880365A (en) * 1988-02-04 1989-11-14 Austin Richard D Cement pump with removable discharge chamber cartridge
US5284423A (en) * 1991-02-27 1994-02-08 University Hospital (London) Development Corporation Computer controlled positive displacement pump for physiological flow simulation
EP0556613A1 (en) * 1992-02-05 1993-08-25 UNIVER S.p.A. Rack and pinion pneumatic actuator with counter-pressure control and damping device

Also Published As

Publication number Publication date
EP1446339A1 (en) 2004-08-18
JP2005508011A (en) 2005-03-24
DE60127467D1 (en) 2007-05-03
WO2003040000A1 (en) 2003-05-15
EP1446339B1 (en) 2007-03-21
DE60127467T2 (en) 2007-12-06
ATE357595T1 (en) 2007-04-15
CN1270081C (en) 2006-08-16
CA2463721C (en) 2009-04-14
CA2463721A1 (en) 2003-05-15
JP4164029B2 (en) 2008-10-08
CN1568278A (en) 2005-01-19

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