EP0789147B1 - Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2.000 bar - Google Patents
Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2.000 bar Download PDFInfo
- Publication number
- EP0789147B1 EP0789147B1 EP97100707A EP97100707A EP0789147B1 EP 0789147 B1 EP0789147 B1 EP 0789147B1 EP 97100707 A EP97100707 A EP 97100707A EP 97100707 A EP97100707 A EP 97100707A EP 0789147 B1 EP0789147 B1 EP 0789147B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner body
- valve
- valve seat
- sleeve
- seat ring
- 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 - Lifetime
Links
Images
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
- 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
- F04B53/10—Valves; Arrangement of valves
- F04B53/1087—Valve seats
-
- 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
- F04B53/007—Cylinder heads
-
- 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
- F04B53/10—Valves; Arrangement of valves
- F04B53/102—Disc valves
- F04B53/1032—Spring-actuated disc valves
-
- 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
Definitions
- the invention relates to a high-pressure plunger pump, preferably for working pressures above 2,000 bar according to the preamble of claim 1.
- a high-pressure plunger pump of this type is known (EP 0 551 590 A), in which the the working area of the pump having the inner body as floating on the plunger mounted sleeve is formed. Tapered at the end facing the suction valve the interior of the sleeve, so that during the pressure stroke the sleeve through the medium is pressed against an insert body.
- This insert body is in two parts formed, the part facing the plunger the seat of the suction valve and the part facing the pump head has the seat of the pressure valve.
- a plunger which is in a longitudinal bore of the inner body as well as in an insertion sleeve that receives the extension of the longitudinal bore is slidably mounted.
- the insertion sleeve is in the plunger facing Side provided with an annular flange, wherein a seal is provided, which in Transition area from the ring flange to the plug-in sleeve seals the work area.
- the invention is based on the object a high pressure plunger pump, preferably for working pressures above 2,000 bar to design that it consists of a few, easy to manufacture components, which ensure a good seal between the working and the suction area
- the expansion is caused by the elasticity under the operating pressure eliminated because the working pressure up to the seal near the ring flange rules from outside and inside. Because the sealing gap in the calculation of the leakage rate enters into the third power, the Leakage rate significantly reduced.
- the piston made of hard metal or ceramic shows hardly any signs of wear. From time to time only the insert sleeve has to be replaced.
- the high-pressure plunger pump is in the space between the pump head and the one containing the working space Inner body of a valve seat ring with valve seat surfaces for the pressure valve and provided for the suction valve.
- One equipped with a central overflow hole Suction valve body and an associated spring are in one on the valve seat ring adjacent, cylindrical recess of the inner body arranged.
- the Pump head is connected to the inner body.
- This connection between the Pump head and the inner body is in an advantageous embodiment Invention made by screws from the outer boundary surface the pump head and with its threaded shaft in threaded holes of the inner body of the pump are screwed in.
- the object of the invention is in the transition area from the housing to Pump head as insert body only a valve seat ring is present, which covers both the seat for the suction valve and the seat for the pressure valve.
- the harmful space is kept particularly low to reduce the compressibility of the medium to offer the lowest possible chances of worsening efficiency.
- the high-pressure plunger pump shown in the drawing has a housing 1 and a pump head 2 and is equipped with an inner body 3 which of the suction chamber 4 of the pump and enclosed by screws 5 with the pump head 2 is connected. These screws 5 extend from the outer surface 6 of the pump head over the entire height of the pump head and are with their Threaded shaft 7 screwed into threaded holes 8 of the inner body 3.
- a valve seat ring 9 is provided between the pump head 2 and the inner body 3, the form-fitting with both the pump head 2 and the inner body 3 connected is.
- the valve seat ring 9 is provided with a sleeve-shaped insert 10, which the seat forms for the pressure valve 11.
- valve seat ring 9 On the side of the valve seat ring 9 opposite the pressure valve is the seat surface provided for an annular suction valve body 12 which has a central overflow bore 13a.
- a spring 14 is assigned to the suction valve body 12.
- Both the suction valve body 12 and the spring 14 are in a stepped bore of the inner body 3 arranged.
- suction channels 15 extend to the seat 13 of the Suction valve. These suction channels run at an acute angle to the central longitudinal axis 16 of the valve seat ring or the high pressure plunger pump, in which the Pressure valve and the suction valve are arranged coaxially.
- the pump is equipped with a drivable plunger 17, which is in a longitudinal bore 18 of the inner body 3 and in an insert sleeve 19 is slidably mounted.
- the insertion sleeve 19 is provided with an annular flange 20 and is an extension 21 of the longitudinal bore 18 added.
- the ring flange 20 of the insertion sleeve 19 is in a recess corresponding to the contour of the ring flange Inner body 3 arranged.
- a projection 22 of one also projects into this recess Cover 23, which is connected by screws 24 to the inner body 3. This Projection 22 is supported on the ring flange 20.
- a seal 25 In the transition area between the ring flange 20 and the sleeve body of the insertion sleeve 19 is a seal 25 arranged, which seals the working space of the pump from the suction chamber 4.
- the pressure stroke of the plunger it builds up in the annular gap between the plunger and the sleeve body of the insertion sleeve 19 and in the annular gap between the sleeve body and the inner body 3, a pressure by which the elastic deformation of the sleeve body is completely or largely eliminated.
- valve seat 9 A positive connection between the valve seat 9 and the pump head 2 is achieved by a stepped projection 27 of the valve seat ring 9, which in corresponding Engage recesses in the pump head 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19604132A DE19604132C2 (de) | 1996-02-06 | 1996-02-06 | Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2.000 bar |
DE19604132 | 1996-02-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0789147A2 EP0789147A2 (de) | 1997-08-13 |
EP0789147A3 EP0789147A3 (de) | 1998-09-02 |
EP0789147B1 true EP0789147B1 (de) | 2001-10-31 |
Family
ID=7784564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97100707A Expired - Lifetime EP0789147B1 (de) | 1996-02-06 | 1997-01-17 | Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2.000 bar |
Country Status (7)
Country | Link |
---|---|
US (1) | US5848880A (da) |
EP (1) | EP0789147B1 (da) |
JP (1) | JP3954143B2 (da) |
AU (1) | AU705265B2 (da) |
DE (2) | DE19604132C2 (da) |
DK (1) | DK0789147T3 (da) |
ES (1) | ES2166476T3 (da) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0892174B1 (de) | 1997-07-17 | 2001-10-31 | Jürgen Weigel | Pumpenkopf für eine Hubkolbenpumpe |
DE29716906U1 (de) * | 1997-07-17 | 1997-11-20 | Eberherr, Herbert, 97638 Mellrichstadt | Pumpenkopf für eine Hub-Kolbenpumpe |
US5980224A (en) * | 1997-12-18 | 1999-11-09 | Chrysler Corporation | Fuel injection pump |
DE20008015U1 (de) | 2000-05-05 | 2000-08-31 | Neuman & Esser Maschinenfabrik GmbH & Co. KG, 52531 Übach-Palenberg | Geschrumpfter Zylinder für Hochdruck-Kolbenkompressoren |
CN100453804C (zh) * | 2007-09-05 | 2009-01-21 | 吴赛珍 | 缸体大圆端面对内花键垂直的加工方法 |
US8986253B2 (en) | 2008-01-25 | 2015-03-24 | Tandem Diabetes Care, Inc. | Two chamber pumps and related methods |
DE202008001458U1 (de) * | 2008-02-01 | 2008-03-27 | Hammelmann Maschinenfabrik Gmbh | Hochdruckventilanordnung |
US8408421B2 (en) | 2008-09-16 | 2013-04-02 | Tandem Diabetes Care, Inc. | Flow regulating stopcocks and related methods |
WO2010033878A2 (en) | 2008-09-19 | 2010-03-25 | David Brown | Solute concentration measurement device and related methods |
US8758323B2 (en) | 2009-07-30 | 2014-06-24 | Tandem Diabetes Care, Inc. | Infusion pump system with disposable cartridge having pressure venting and pressure feedback |
US9180242B2 (en) | 2012-05-17 | 2015-11-10 | Tandem Diabetes Care, Inc. | Methods and devices for multiple fluid transfer |
US9095955B2 (en) | 2012-08-16 | 2015-08-04 | Omax Corporation | Control valves for waterjet systems and related devices, systems and methods |
US8904912B2 (en) | 2012-08-16 | 2014-12-09 | Omax Corporation | Control valves for waterjet systems and related devices, systems, and methods |
US9173998B2 (en) | 2013-03-14 | 2015-11-03 | Tandem Diabetes Care, Inc. | System and method for detecting occlusions in an infusion pump |
CA2955874A1 (en) * | 2014-03-31 | 2015-10-08 | Saudi Basic Industries Corporation | Process for the preparation of an ethylene copolymer in a tubular reactor |
US11554461B1 (en) | 2018-02-13 | 2023-01-17 | Omax Corporation | Articulating apparatus of a waterjet system and related technology |
US11578710B2 (en) | 2019-05-02 | 2023-02-14 | Kerr Machine Co. | Fracturing pump with in-line fluid end |
US11578711B2 (en) | 2019-11-18 | 2023-02-14 | Kerr Machine Co. | Fluid routing plug |
US11644018B2 (en) | 2019-11-18 | 2023-05-09 | Kerr Machine Co. | Fluid end |
US20220389916A1 (en) | 2019-11-18 | 2022-12-08 | Kerr Machine Co. | High pressure pump |
US11635068B2 (en) | 2019-11-18 | 2023-04-25 | Kerr Machine Co. | Modular power end |
US11300111B2 (en) | 2019-11-18 | 2022-04-12 | Kerr Machine Co. | Fluid routing plug |
US11686296B2 (en) | 2019-11-18 | 2023-06-27 | Kerr Machine Co. | Fluid routing plug |
US20220397107A1 (en) | 2019-11-18 | 2022-12-15 | Kerr Machine Co. | Fluid end assembly |
WO2021127253A1 (en) | 2019-12-18 | 2021-06-24 | Hypertherm, Inc. | Liquid jet cutting head sensor systems and methods |
CN115698559A (zh) | 2020-03-24 | 2023-02-03 | 海别得公司 | 用于液体喷射切割***的高压密封件 |
WO2021202390A1 (en) | 2020-03-30 | 2021-10-07 | Hypertherm, Inc. | Cylinder for a liquid jet pump with multi-functional interfacing longitudinal ends |
US11920583B2 (en) | 2021-03-05 | 2024-03-05 | Kerr Machine Co. | Fluid end with clamped retention |
DE102021112742A1 (de) | 2021-05-17 | 2022-11-17 | Hammelmann GmbH | Dichtungseinrichtung für eine Stange |
US11946465B2 (en) | 2021-08-14 | 2024-04-02 | Kerr Machine Co. | Packing seal assembly |
US11808364B2 (en) | 2021-11-11 | 2023-11-07 | Kerr Machine Co. | Valve body |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0551590A1 (de) * | 1992-01-11 | 1993-07-21 | Paul Hammelmann | Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2000 bar |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2656820A (en) * | 1948-03-16 | 1953-10-27 | Philip S Becker | Power-operated vise |
US3260217A (en) * | 1964-08-05 | 1966-07-12 | Frank Wheatley Pump & Valve Ma | Pump having radial discharge valve |
US3298319A (en) * | 1964-10-26 | 1967-01-17 | Donald W Barlow | Pumping system for slurry and other solutions |
US3811801A (en) * | 1972-05-30 | 1974-05-21 | Ingersoll Rand Co | Multi-plunger reciprocating pump |
US3891356A (en) * | 1973-11-21 | 1975-06-24 | Armco Steel Corp | Fluid guide plunger system |
DE3404520C2 (de) * | 1984-02-09 | 1997-01-09 | Uraca Pumpen | Pumpe oder Hydraulikanlage |
DE8717850U1 (de) * | 1987-03-24 | 1990-08-09 | Hammelmann, Paul, 4740 Oelde | Hochdruckplungerpumpe |
DE68910726T2 (de) * | 1988-03-23 | 1994-03-24 | Fujimori Shuichi | Flüssigkeitspumpe und Ventilvorrichtung. |
US4878815A (en) * | 1988-05-18 | 1989-11-07 | Stachowiak J Edward | High pressure reciprocating pump apparatus |
US5050895A (en) * | 1989-04-04 | 1991-09-24 | Flow International Corporation | High pressure dynamic seal |
US5064354A (en) * | 1990-06-04 | 1991-11-12 | Robertson Walter W | High pressure fluid pump |
DE4038613C3 (de) * | 1990-12-04 | 1998-09-17 | Woma Maasberg Co Gmbh W | Mehrzylindrige Hochdruckplungerpumpe |
US5230363A (en) * | 1991-04-10 | 1993-07-27 | Dowell Schlumberger Incorporated | Suction valve for high pressure slurry pump |
US5273405A (en) * | 1992-07-07 | 1993-12-28 | Jet Edge, Inc. | Fluid cushioning apparatus for hydraulic intensifier assembly |
DE4240590A1 (de) * | 1992-12-03 | 1994-06-09 | Uraca Pumpen | Verdrängerpumpe |
ES2109485T3 (es) * | 1993-03-12 | 1998-01-16 | I C Investments Limited | Aparato intensificador de la presion de un fluido. |
US5493954A (en) * | 1994-11-18 | 1996-02-27 | Flow International Corporation | Self-venting seal assembly |
-
1996
- 1996-02-06 DE DE19604132A patent/DE19604132C2/de not_active Expired - Fee Related
-
1997
- 1997-01-17 DK DK97100707T patent/DK0789147T3/da active
- 1997-01-17 ES ES97100707T patent/ES2166476T3/es not_active Expired - Lifetime
- 1997-01-17 DE DE59705122T patent/DE59705122D1/de not_active Expired - Lifetime
- 1997-01-17 EP EP97100707A patent/EP0789147B1/de not_active Expired - Lifetime
- 1997-01-29 US US08/790,390 patent/US5848880A/en not_active Expired - Lifetime
- 1997-01-30 AU AU12400/97A patent/AU705265B2/en not_active Ceased
- 1997-02-05 JP JP02262797A patent/JP3954143B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0551590A1 (de) * | 1992-01-11 | 1993-07-21 | Paul Hammelmann | Hochdruckplungerpumpe, vorzugsweise für Arbeitsdrücke oberhalb 2000 bar |
Also Published As
Publication number | Publication date |
---|---|
DK0789147T3 (da) | 2002-02-18 |
EP0789147A3 (de) | 1998-09-02 |
ES2166476T3 (es) | 2002-04-16 |
JPH09228965A (ja) | 1997-09-02 |
DE59705122D1 (de) | 2001-12-06 |
AU1240097A (en) | 1997-08-14 |
AU705265B2 (en) | 1999-05-20 |
DE19604132A1 (de) | 1997-08-07 |
DE19604132C2 (de) | 2000-04-13 |
EP0789147A2 (de) | 1997-08-13 |
JP3954143B2 (ja) | 2007-08-08 |
US5848880A (en) | 1998-12-15 |
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