GB1486237A - Centrifugal pumps - Google Patents
Centrifugal pumpsInfo
- Publication number
- GB1486237A GB1486237A GB4811374A GB4811374A GB1486237A GB 1486237 A GB1486237 A GB 1486237A GB 4811374 A GB4811374 A GB 4811374A GB 4811374 A GB4811374 A GB 4811374A GB 1486237 A GB1486237 A GB 1486237A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bar
- inlet
- solids
- nov
- upstream
- 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
Links
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
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
1486237 Centrifugal pumps LANDUSTRIE SNEEK MASCHINENFABRIK ELEKTROTECHNIEK BV 7 Nov 1974 [19 Nov 1973 (2) 48113/ 74 Heading F1C A centrifugal pump for pumping liquid containing solids has a suction inlet 9 across which extends a bar 11 which co-operates with the upstream edges of impeller vanes 7 to provide a shearing action for breaking up the solids, the bar 11 having a downstream cutting surface which may be chamfered on either side of the rotational axis in opposite directions, Fig. 3, and a planar upstream surface for causing turbulent flow through the inlet 9. A flange 14 supports bar 11 and is deformable so that the axial spacing between the bar and the upstream edges of the blades may be varied. The wall 3 surrounding inlet 9 may have radial grooves which channel away solids deposited on walls 3 in order to prevent pump blockage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7315816A NL7315816A (en) | 1973-11-19 | 1973-11-19 | Centrifugal pump for waste water with solid components - has diametrically running cutter bar in intake opening providing cutting action |
NL7315817A NL7315817A (en) | 1973-11-19 | 1973-11-19 | Centrifugal pump for waste water with solid components - has diametrically running cutter bar in intake opening providing cutting action |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1486237A true GB1486237A (en) | 1977-09-21 |
Family
ID=26644934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4811374A Expired GB1486237A (en) | 1973-11-19 | 1974-11-07 | Centrifugal pumps |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2452548A1 (en) |
GB (1) | GB1486237A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10533557B2 (en) | 2016-04-26 | 2020-01-14 | Pentair Flow Technologies, Llc | Cutting assembly for a chopper pump |
CN113153759A (en) * | 2021-06-02 | 2021-07-23 | 尚宝罗江苏节能科技股份有限公司 | High-efficiency high-concentration non-blocking pulp pump |
EP3988794A1 (en) * | 2020-10-26 | 2022-04-27 | Xylem Europe GmbH | Impeller seat with a guide pin for a pump |
US11655821B2 (en) | 2013-03-15 | 2023-05-23 | Pentair Flow Technologies, Llc | Cutting blade assembly |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3609312A1 (en) * | 1986-03-20 | 1987-10-08 | Homa Pumpenfabrik Gmbh | Centrifugal pump |
EP0301151B1 (en) * | 1987-07-31 | 1991-09-04 | Michael Stoerzbach | Device for homogenizing a fluid mixture |
SE466766B (en) * | 1989-04-27 | 1992-03-30 | Flygt Ab Itt | Centrifugal pump intended for pumping of liquids containing solid particles, for example, rags and other long-stretched objects |
DE4433066C2 (en) * | 1994-09-16 | 2002-08-01 | Ksb Ag | Semi-axial inlet nozzles for axial pumps |
SE520417C2 (en) * | 1997-12-18 | 2003-07-08 | Flygt Ab Itt | Pump of centrifugal or semi-axial type intended for pumping of uncontaminated wastewater |
DE19959501A1 (en) * | 1999-12-10 | 2001-06-13 | Erich Stallkamp | Spiral pump for agricultural liquids has cutting device positioned radial to rotor wheel for cutting up solids suspended in pumped liquid |
JP7024822B2 (en) * | 2020-06-22 | 2022-02-24 | 株式会社鶴見製作所 | Non-blocking pump |
CA3237788A1 (en) * | 2021-10-04 | 2023-04-13 | KSB SE & Co. KGaA | Centrifugal pump having wear-resistant wear plate with scraper element |
-
1974
- 1974-11-06 DE DE19742452548 patent/DE2452548A1/en not_active Ceased
- 1974-11-07 GB GB4811374A patent/GB1486237A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11655821B2 (en) | 2013-03-15 | 2023-05-23 | Pentair Flow Technologies, Llc | Cutting blade assembly |
US10533557B2 (en) | 2016-04-26 | 2020-01-14 | Pentair Flow Technologies, Llc | Cutting assembly for a chopper pump |
US11168693B2 (en) | 2016-04-26 | 2021-11-09 | Pentair Flow Technologies, Llc | Cutting assembly for a chopper pump |
US11560894B2 (en) | 2016-04-26 | 2023-01-24 | Pentair Flow Technologies, Llc | Cutting assembly for a chopper pump |
EP3988794A1 (en) * | 2020-10-26 | 2022-04-27 | Xylem Europe GmbH | Impeller seat with a guide pin for a pump |
WO2022090140A1 (en) * | 2020-10-26 | 2022-05-05 | Xylem Europe Gmbh | Impeller seat with a guide pin for a pump |
US12025153B2 (en) | 2020-10-26 | 2024-07-02 | Xylem Europe Gmbh | Impeller seat with a guide pin for a pump |
CN113153759A (en) * | 2021-06-02 | 2021-07-23 | 尚宝罗江苏节能科技股份有限公司 | High-efficiency high-concentration non-blocking pulp pump |
CN113153759B (en) * | 2021-06-02 | 2022-02-18 | 尚宝罗江苏节能科技股份有限公司 | High-efficiency high-concentration non-blocking pulp pump |
Also Published As
Publication number | Publication date |
---|---|
DE2452548A1 (en) | 1975-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |