EP3530960A1 - Pumpe mit abstreif-finger - Google Patents

Pumpe mit abstreif-finger Download PDF

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Publication number
EP3530960A1
EP3530960A1 EP19158280.8A EP19158280A EP3530960A1 EP 3530960 A1 EP3530960 A1 EP 3530960A1 EP 19158280 A EP19158280 A EP 19158280A EP 3530960 A1 EP3530960 A1 EP 3530960A1
Authority
EP
European Patent Office
Prior art keywords
blade
volute
axis
finger
tangent
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
EP19158280.8A
Other languages
English (en)
French (fr)
Other versions
EP3530960B1 (de
Inventor
Nicolas Petit
Stéphanie GONZALEZ
Mateusz Kaminski
Christoph Jager
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.)
KSB SAS
Original Assignee
KSB SAS
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 KSB SAS filed Critical KSB SAS
Priority to PL19158280T priority Critical patent/PL3530960T3/pl
Priority to EP21213941.4A priority patent/EP4006356B1/de
Publication of EP3530960A1 publication Critical patent/EP3530960A1/de
Application granted granted Critical
Publication of EP3530960B1 publication Critical patent/EP3530960B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293—Details of fluid inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/04—Helico-centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Definitions

  • French patent 1,511,657 a pump is described comprising an impeller having at least one blade.
  • the impeller is surrounded by a volute.
  • a deflector protruding inwardly from the pump is attached to the volute upstream, in the direction of rotation of the impeller, a groove in the volute.
  • the deflector has a surface facing the blade being at a distance of misalignment.
  • Deflector pumps are known from the documents US 2003 / 215,331 and US 2010 / 119,365 and speak WO 2017/198509 .
  • This grinding pump has the disadvantage that in particular the deflector and blades wear out quickly, since they must jointly have a cutting effect.
  • the invention overcomes this disadvantage by a pump, which is only a dilacerator on occasion, but which, for the most part, guides the fibrous materials, such as wipes, outside the pump, without necessarily having to cut them before.
  • the pump is characterized in that the angle between the imaginary plane tangential to the nose and passing through the axis and an imaginary line, perpendicular to the axis and passing through the point furthest from the axis, of the intersection of the upper surface with the lateral surface of attack, is between 110 and 140 °.
  • the axis of the pump is vertical, but can be put the pump so that its axis is inclined or horizontal.
  • the spout of the volute is the inner edge of the discharge pipe, which is the most downstream in the sense that liquid is conveyed.
  • the suction bottom possibly present, is considered part of the volute.
  • the finger can be fixed there.
  • the volute is, preferably, spiral.
  • the radial distance between its outer wall and its inner wall increases from upstream to downstream of the finger to the spout.
  • the groove is curved from upstream to downstream from the inlet to the outlet of the groove through the inner wall of the volute. It extends at an angle of about 80 ° to 100 ° and rises at an angle of 15 to 30 ° from the inlet to the outlet.
  • the wipe thus leaves the space between the impeller and the volute at a point as close as possible to the discharge pipe and thus being conveyed as well as possible outside the pump, and all the better that the volute is spiral, which means that the distance between the impeller and the volute increases in the direction of rotation of the impeller of the spout of the volute to the discharge pipe.
  • the wipe thus follows a path as short as possible between the suction and the groove and thus has less opportunity to wind and, by stacking with other wipes, cause clogging.
  • the upper surface turns its convexity towards the dawn.
  • the upper surface is flat.
  • the invention also relates to a pump whose characteristics can combine with the characteristics defined above, but which can be independent.
  • the upper surface of the finger is convex and turns its convexity towards the blade and the tangent to the upper surface, at its most downstream point, is, according to the rotating position of the blade, an angle of 50 at 140 ° with the tangent at dawn at the vertically aligned point on said most downstream point.
  • this angle increases according to the rotation of the impeller described by the arrow F when we look at the impeller on the suction side.
  • a wipe is best deflected by the finger in the groove and is discharged into the pump without the pump having to effect a cutting effect.
  • the particular shape of the finger allows a clean cut of the fabric and avoids the best creation of tow.
  • the angle between the imaginary tangent plane to the leading face passing through the line of intersection of the leading face and the upper face and the tangent plane imaginary of the upper face passing the line of intersection of the leading face of the upper face is between 60 and 90 °.
  • a pump according to the invention is so effective that it can be satisfied to have only one groove and one finger. This reduces the hydraulic characteristics of the pump.
  • the finger has the particular shape of a pyramid with three curved lateral faces.
  • the pump shown in figure 1 comprises an impeller 1 of X axis, X 'vertical having two blades 2.
  • the impeller is rotated in the direction of arrow F by the output shaft of an engine not shown.
  • the blades 2 are inclined on the X axis, X '.
  • the impeller 1 is surrounded by a volute 3.
  • the liquid to be conveyed enters by a suction at the bottom of the pump in the volute 3.
  • a finger 4 is fixed to the volute 3.
  • a groove 5 is formed in the volute 3 and goes from the interval between impeller 1 and the volute 3 inside the volute 3.
  • a discharge pipe 9 leaves the volute 3 from a spout 10.
  • the finger 4 has a convex upper surface 8, most of which is 0.3 mm from the blades 2 when they pass in front of the finger 4.
  • the tangent 11 to the upper surface 8 at its most downstream point makes according to the rotational position of the blades 2, an angle ⁇ of 90 ° with the tangent 12 to the blade 2 at the point vertically aligned with said point 7.
  • the finger 4 is thus at eight o'clock if we consider that the beak 10 is at noon.
  • the angle ⁇ between the tangent to the downstream edge of the inlet of the groove 5 and the edge between the upper surface 8 and the lateral driving surface 6 is 170 °.
  • the finger 4 represented at figure 4 is pyramid-shaped having the upper surface 8, the leading lateral surface 6, and a trailing lateral surface 14, all curved.
  • the figure 7 shows that there is an angle ⁇ 1 between the side attack face 6 of the finger 4 and a vertical axis YY, which is between 0 and 15 °. It also shows an angle ⁇ 2 between the upper face 8 of the finger and a horizontal axis ZZ, which is between 0 and 15 °. The combination of the two angles gives ⁇ 3, which is an acute angle between 90 and 60 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
EP19158280.8A 2018-02-22 2019-02-20 Pumpe mit abstreif-finger Active EP3530960B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL19158280T PL3530960T3 (pl) 2018-02-22 2019-02-20 Pompa z palcem zgarniającym
EP21213941.4A EP4006356B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1870195A FR3078116B1 (fr) 2018-02-22 2018-02-22 Pompe a doigt

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP21213941.4A Division-Into EP4006356B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger
EP21213941.4A Division EP4006356B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger

Publications (2)

Publication Number Publication Date
EP3530960A1 true EP3530960A1 (de) 2019-08-28
EP3530960B1 EP3530960B1 (de) 2022-02-16

Family

ID=61913482

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21213941.4A Active EP4006356B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger
EP19158280.8A Active EP3530960B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21213941.4A Active EP4006356B1 (de) 2018-02-22 2019-02-20 Pumpe mit abstreif-finger

Country Status (12)

Country Link
US (2) US10895267B2 (de)
EP (2) EP4006356B1 (de)
JP (1) JP2019143630A (de)
KR (1) KR20190101291A (de)
CN (1) CN110185655B (de)
AU (1) AU2019200954B2 (de)
BR (1) BR102019003250B1 (de)
CA (1) CA3032955A1 (de)
FR (1) FR3078116B1 (de)
PL (2) PL4006356T3 (de)
SA (1) SA119400481B1 (de)
ZA (1) ZA201901050B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4394188A3 (de) * 2018-12-21 2024-09-11 Grundfos Holding A/S Kreiselpumpe

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8048089B2 (en) 2005-12-30 2011-11-01 Edge Systems Corporation Apparatus and methods for treating the skin
EP2240099B1 (de) 2008-01-04 2018-02-21 Edge Systems LLC Vorrichtung zur hautbehandlung
WO2009097451A1 (en) 2008-01-29 2009-08-06 Edge Systems Corporation Apparatus and method for treating the skin
EP3437575B1 (de) 2013-03-15 2021-04-21 Edge Systems LLC Vorrichtungen und systeme zur hautbehandlung
EP3795204B1 (de) 2014-12-23 2023-10-25 HydraFacial LLC Vorrichtung zur behandlung der haut mittels eines rollballens
US10179229B2 (en) 2014-12-23 2019-01-15 Edge Systems Llc Devices and methods for treating the skin using a porous member
EP4012110B1 (de) 2019-08-05 2024-04-17 Sumitomo Heavy Industries, Ltd. Bagger
JP7276099B2 (ja) 2019-11-26 2023-05-18 株式会社鶴見製作所 無閉塞ポンプ
US11291474B2 (en) 2020-01-06 2022-04-05 Ed F. Nicolas Skin treatment tool applicator tip
EP3988794B1 (de) * 2020-10-26 2024-07-31 Xylem Europe GmbH Laufradsitz mit einem führungszapfen für eine pumpe
EP3988793B1 (de) * 2020-10-26 2024-08-07 Xylem Europe GmbH Pumpe umfassend einen laufradsitz mit einem führungszapfen
EP4102080B1 (de) * 2021-06-08 2025-01-01 Xylem Europe GmbH Pumpe und hydraulikeinheit einer pumpe
JP7724097B2 (ja) 2021-07-21 2025-08-15 株式会社荏原製作所 ポンプケーシングおよびポンプ
CN115788919A (zh) 2021-09-09 2023-03-14 创科无线普通合伙 潜水泵
USD1065551S1 (en) 2021-09-10 2025-03-04 Hydrafacial Llc Skin treatment device
USD1016615S1 (en) 2021-09-10 2024-03-05 Hydrafacial Llc Container for a skin treatment device
CN118201659A (zh) 2021-09-10 2024-06-14 海菲秀公司 用于处理皮肤的装置、系统和方法
WO2023057236A1 (de) * 2021-10-04 2023-04-13 KSB SE & Co. KGaA Kreiselpumpe mit verschleissbeständiger schleisswand mit abstreifelement
USD1116120S1 (en) 2021-10-11 2026-03-03 Hydrafacial Llc Skin treatment device
USD1042807S1 (en) 2021-10-11 2024-09-17 Hydrafacial Llc Skin treatment tip
USD1112778S1 (en) 2022-03-04 2026-02-10 Hydrafacial Llc Light therapy device for skin care
USD1084369S1 (en) 2023-02-10 2025-07-15 Hydrafacial Llc Skin treatment tip
JP2026061090A (ja) * 2024-09-30 2026-04-09 株式会社荏原製作所 ポンプ

Citations (3)

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Publication number Priority date Publication date Assignee Title
EP1357294A2 (de) * 2002-04-26 2003-10-29 Itt Manufacturing Enterprises, Inc. Abwasserpumpe
WO2009020420A1 (en) * 2007-05-15 2009-02-12 Itt Manufacturing Enterprises Inc Submersible centrifugal pump with normal and ejector modes of operation
EP3246574A1 (de) * 2016-05-17 2017-11-22 Xylem IP Management S.à.r.l. Pumpe zum pumpen einer flüssigkeit sowie laufradanordnung

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FR1511657A (fr) 1966-12-23 1968-02-02 Pierre Mengin Ets Perfectionnements aux pompes dilacératrices
DE10204459A1 (de) * 2002-02-05 2003-08-07 Bosch Gmbh Robert Flüssigkeitspumpe
DE102004058458B3 (de) * 2004-12-03 2006-05-18 Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg Pumpe mit Schneidlaufrad
SE0501382L (sv) * 2005-06-17 2006-06-13 Itt Mfg Enterprises Inc Pump för pumpning av förorenad vätska
TW201118254A (en) * 2009-11-25 2011-06-01 Sunny King Machinery Co Ltd Anti-turbulent structure for screw pump
CN102536835B (zh) * 2012-03-21 2014-04-09 江苏大学 固液两相流螺旋离心泵
WO2014024305A1 (ja) * 2012-08-10 2014-02-13 三菱電機株式会社 プロペラファン、並びに、それを備えた送風機、空気調和機及び給湯用室外機
US10724534B2 (en) * 2014-11-26 2020-07-28 Tc1 Llc Pump and method for mixed flow blood pumping
KR101832131B1 (ko) * 2015-10-26 2018-02-26 주식회사 경동나비엔 보일러용 펌프
CN105697269A (zh) * 2016-01-24 2016-06-22 况常松 节能高效环保加油机泵

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1357294A2 (de) * 2002-04-26 2003-10-29 Itt Manufacturing Enterprises, Inc. Abwasserpumpe
WO2009020420A1 (en) * 2007-05-15 2009-02-12 Itt Manufacturing Enterprises Inc Submersible centrifugal pump with normal and ejector modes of operation
EP3246574A1 (de) * 2016-05-17 2017-11-22 Xylem IP Management S.à.r.l. Pumpe zum pumpen einer flüssigkeit sowie laufradanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4394188A3 (de) * 2018-12-21 2024-09-11 Grundfos Holding A/S Kreiselpumpe

Also Published As

Publication number Publication date
JP2019143630A (ja) 2019-08-29
KR20190101291A (ko) 2019-08-30
BR102019003250A2 (pt) 2019-09-10
AU2019200954A1 (en) 2019-09-05
PL4006356T3 (pl) 2025-03-31
BR102019003250B1 (pt) 2024-01-16
US10895267B2 (en) 2021-01-19
SA119400481B1 (ar) 2021-12-13
US20210040957A1 (en) 2021-02-11
FR3078116B1 (fr) 2021-09-10
EP3530960B1 (de) 2022-02-16
EP4006356A1 (de) 2022-06-01
PL3530960T3 (pl) 2022-06-13
AU2019200954B2 (en) 2024-11-14
ZA201901050B (en) 2024-07-31
FR3078116A1 (fr) 2019-08-23
CA3032955A1 (fr) 2019-08-22
EP4006356C0 (de) 2024-10-16
CN110185655B (zh) 2022-06-17
RU2019104420A (ru) 2020-08-18
CN110185655A (zh) 2019-08-30
EP4006356B1 (de) 2024-10-16
US20190257320A1 (en) 2019-08-22

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