CA2485552C - High-pressure small volume pump - Google Patents

High-pressure small volume pump Download PDF

Info

Publication number
CA2485552C
CA2485552C CA2485552A CA2485552A CA2485552C CA 2485552 C CA2485552 C CA 2485552C CA 2485552 A CA2485552 A CA 2485552A CA 2485552 A CA2485552 A CA 2485552A CA 2485552 C CA2485552 C CA 2485552C
Authority
CA
Canada
Prior art keywords
piston
pump
sealing
displacement chamber
sealing surfaces
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 - Fee Related
Application number
CA2485552A
Other languages
English (en)
French (fr)
Other versions
CA2485552A1 (en
Inventor
Fritz Gyger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2485552A1 publication Critical patent/CA2485552A1/en
Application granted granted Critical
Publication of CA2485552C publication Critical patent/CA2485552C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/005—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons
    • F04B11/0075—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using two or more pumping pistons connected in series
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F04B53/144—Adaptation of piston-rods
    • F04B53/147—Mounting or detaching of piston rod
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/164—Stoffing boxes
    • 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
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0201—Position of the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/12—Polyetheretherketones, e.g. PEEK

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
CA2485552A 2002-06-19 2003-06-18 High-pressure small volume pump Expired - Fee Related CA2485552C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02405509.7 2002-06-19
EP02405509A EP1375921A1 (de) 2002-06-19 2002-06-19 Hochdruck-Kleinvolumen-Verdrängerpumpe
PCT/CH2003/000394 WO2004001228A2 (en) 2002-06-19 2003-06-18 High-pressure small volume pump

Publications (2)

Publication Number Publication Date
CA2485552A1 CA2485552A1 (en) 2003-12-31
CA2485552C true CA2485552C (en) 2011-08-23

Family

ID=29716992

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2485552A Expired - Fee Related CA2485552C (en) 2002-06-19 2003-06-18 High-pressure small volume pump

Country Status (8)

Country Link
EP (2) EP1375921A1 (de)
CN (1) CN100406734C (de)
AT (1) ATE536477T1 (de)
AU (1) AU2003233907A1 (de)
CA (1) CA2485552C (de)
DE (1) DE60326841D1 (de)
EA (1) EA009029B1 (de)
WO (1) WO2004001228A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056094B4 (de) 2011-12-06 2014-05-28 Dionex Softron Gmbh Schaltventil, insbesondere für das Schalten eines unter hohem Druck stehenden Fluids

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733664A (en) * 1956-02-07 saalfrank
US2346964A (en) * 1940-08-26 1944-04-18 Omega Machine Company Positive displacement pump
US2841092A (en) * 1955-08-09 1958-07-01 Milton Roy Co High-pressure pump
US3981620A (en) * 1972-03-06 1976-09-21 Waters Associates, Inc. Pumping apparatus
US4045343A (en) * 1975-11-10 1977-08-30 Varian Associates, Inc. High pressure liquid chromatography system
US4592558A (en) * 1984-10-17 1986-06-03 Hydril Company Spring ring and hat ring seal
US4706970A (en) * 1984-11-14 1987-11-17 Polydyne Industries, Inc. Flexible ring seal with insert in circumferentially extending channel
DE4308467A1 (de) 1992-10-28 1994-05-05 Herbert Dr Funke Hochdruckpumpe zur Flüssigkeits-Feindosierung
CH688919A5 (de) * 1994-04-13 1998-05-29 Cryomec Ag Triebwerk einer Kolbenpumpe für cryogene Anwendungen.
US5799953A (en) * 1995-05-25 1998-09-01 American Variseal Capped spring-energized seal
GB9717564D0 (en) * 1997-08-20 1997-10-22 Hydrair Ltd Pump for shear sensitive material

Also Published As

Publication number Publication date
DE60326841D1 (de) 2009-05-07
EP1375921A1 (de) 2004-01-02
EA200401530A1 (ru) 2006-10-27
ATE536477T1 (de) 2011-12-15
EP1514027B1 (de) 2011-12-07
CN1662745A (zh) 2005-08-31
WO2004001228A3 (en) 2004-03-04
EP1514027A2 (de) 2005-03-16
EA009029B1 (ru) 2007-10-26
AU2003233907A1 (en) 2004-01-06
AU2003233907A8 (en) 2004-01-06
WO2004001228A2 (en) 2003-12-31
CN100406734C (zh) 2008-07-30
CA2485552A1 (en) 2003-12-31

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190618