CA2485552C - High-pressure small volume pump - Google Patents
High-pressure small volume pump Download PDFInfo
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 238000006073 displacement reaction Methods 0.000 claims abstract description 50
- 230000002829 reductive effect Effects 0.000 claims abstract description 9
- 230000010349 pulsation Effects 0.000 claims abstract description 7
- 238000004128 high performance liquid chromatography Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims description 7
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000004587 chromatography analysis Methods 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims description 2
- -1 crystalline Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 102000000591 Tight Junction Proteins Human genes 0.000 claims 1
- 108010002321 Tight Junction Proteins Proteins 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 210000001578 tight junction Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010979 ruby Substances 0.000 description 3
- 229910001750 ruby Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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)
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)
| 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)
| 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 |
-
2002
- 2002-06-19 EP EP02405509A patent/EP1375921A1/de not_active Withdrawn
-
2003
- 2003-06-18 CA CA2485552A patent/CA2485552C/en not_active Expired - Fee Related
- 2003-06-18 EP EP03727124A patent/EP1514027B1/de not_active Expired - Lifetime
- 2003-06-18 DE DE60326841T patent/DE60326841D1/de not_active Expired - Lifetime
- 2003-06-18 AT AT03727124T patent/ATE536477T1/de active
- 2003-06-18 CN CNB03814123XA patent/CN100406734C/zh not_active Expired - Fee Related
- 2003-06-18 WO PCT/CH2003/000394 patent/WO2004001228A2/en not_active Ceased
- 2003-06-18 EA EA200401530A patent/EA009029B1/ru not_active IP Right Cessation
- 2003-06-18 AU AU2003233907A patent/AU2003233907A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| ATE536477T1 (de) | 2011-12-15 |
| WO2004001228A3 (en) | 2004-03-04 |
| EP1514027B1 (de) | 2011-12-07 |
| WO2004001228A2 (en) | 2003-12-31 |
| AU2003233907A8 (en) | 2004-01-06 |
| EA009029B1 (ru) | 2007-10-26 |
| EP1375921A1 (de) | 2004-01-02 |
| EP1514027A2 (de) | 2005-03-16 |
| AU2003233907A1 (en) | 2004-01-06 |
| CA2485552A1 (en) | 2003-12-31 |
| CN100406734C (zh) | 2008-07-30 |
| CN1662745A (zh) | 2005-08-31 |
| DE60326841D1 (de) | 2009-05-07 |
| EA200401530A1 (ru) | 2006-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20190618 |