FI49345C - Device for preventing clogging of the sealing gap, especially in a sewage pump or the like. - Google Patents

Device for preventing clogging of the sealing gap, especially in a sewage pump or the like.

Info

Publication number
FI49345C
FI49345C FI137572A FI137572A FI49345C FI 49345 C FI49345 C FI 49345C FI 137572 A FI137572 A FI 137572A FI 137572 A FI137572 A FI 137572A FI 49345 C FI49345 C FI 49345C
Authority
FI
Finland
Prior art keywords
sewage pump
sealing gap
preventing clogging
clogging
preventing
Prior art date
Application number
FI137572A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI49345B (en
Inventor
Hannu Sarvanne
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Priority to FI137572A priority Critical patent/FI49345C/en
Priority to DE19732322772 priority patent/DE2322772C3/en
Priority to SE7306542A priority patent/SE391008B/en
Priority to DK260173A priority patent/DK133395B/en
Priority to NO193673A priority patent/NO138296C/en
Priority to GB2260473A priority patent/GB1431189A/en
Priority to FR7317306A priority patent/FR2185275A5/fr
Publication of FI49345B publication Critical patent/FI49345B/fi
Application granted granted Critical
Publication of FI49345C publication Critical patent/FI49345C/en

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FI137572A 1972-05-15 1972-05-15 Device for preventing clogging of the sealing gap, especially in a sewage pump or the like. FI49345C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI137572A FI49345C (en) 1972-05-15 1972-05-15 Device for preventing clogging of the sealing gap, especially in a sewage pump or the like.
DE19732322772 DE2322772C3 (en) 1972-05-15 1973-05-05 Sewage pump
SE7306542A SE391008B (en) 1972-05-15 1973-05-09 WASTEWATER PUMP
DK260173A DK133395B (en) 1972-05-15 1973-05-10 Centrifugal pump, especially for wastewater.
NO193673A NO138296C (en) 1972-05-15 1973-05-10 WASTEWATER PUMP.
GB2260473A GB1431189A (en) 1972-05-15 1973-05-11 Pumps
FR7317306A FR2185275A5 (en) 1972-05-15 1973-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI137572A FI49345C (en) 1972-05-15 1972-05-15 Device for preventing clogging of the sealing gap, especially in a sewage pump or the like.

Publications (2)

Publication Number Publication Date
FI49345B FI49345B (en) 1975-01-31
FI49345C true FI49345C (en) 1975-05-12

Family

ID=8505526

Family Applications (1)

Application Number Title Priority Date Filing Date
FI137572A FI49345C (en) 1972-05-15 1972-05-15 Device for preventing clogging of the sealing gap, especially in a sewage pump or the like.

Country Status (7)

Country Link
DE (1) DE2322772C3 (en)
DK (1) DK133395B (en)
FI (1) FI49345C (en)
FR (1) FR2185275A5 (en)
GB (1) GB1431189A (en)
NO (1) NO138296C (en)
SE (1) SE391008B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2612910A1 (en) * 1976-03-26 1977-09-29 Albert Blum SEWAGE PUMP
JPS5269002A (en) * 1975-12-04 1977-06-08 Kubota Ltd Pump
DE3124309A1 (en) * 1981-06-20 1983-01-20 Albert 5204 Lohmar Blum "PUMP UNIT"
FI69683C (en) * 1982-02-08 1986-03-10 Ahlstroem Oy CENTRIFUGALPUMP FOER VAETSKOR INNEHAOLLANDE FASTA AEMNEN
FI73796C (en) * 1984-06-06 1987-11-09 Sarlin Ab Oy E Eccentric pair at the impeller in a pump.
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
DE4431947A1 (en) * 1993-09-25 1995-03-30 Klein Schanzlin & Becker Ag Fluid flow engine for particle containing medium - has wall surfaces formed to direct medium flow in regions of higher rotary fluid flow
CN1054418C (en) * 1993-09-25 2000-07-12 Ksb股份公司 Turbo-machine with reduced attrition
DE4338931C2 (en) * 1993-11-15 1996-09-05 Wilo Gmbh Non-clogging centrifugal pump
EP1826914B1 (en) 2004-12-13 2017-03-01 Hitachi Metals, Ltd. High frequency circuit, high frequency circuit components and communication apparatus using the same
DE102007001383A1 (en) * 2007-01-09 2008-07-10 Siemens Ag Centrifugal pump with a rotatably mounted in a housing impeller
EP2348220B1 (en) * 2009-12-30 2015-07-08 Grundfos Management A/S Immersion pump
SE536067C2 (en) * 2011-10-06 2013-04-23 Xylem Ip Holdings Llc Pump for pumping liquid containing solids
CN103603823B (en) * 2013-11-15 2016-01-13 广东技术师范学院 A kind of support transmission device of slurry pump impeller
CN104791284A (en) * 2014-01-20 2015-07-22 江苏大学 Cutting anti-blocking device for enclosed impeller ring of sewage pump
WO2016008008A1 (en) * 2014-07-16 2016-01-21 Sykes Group Pty Ltd Cutting part for a pump, pump casing and pump
CN106321510B (en) * 2016-08-31 2020-03-06 泛仕达机电股份有限公司 Backward centrifugal impeller
CN111550433A (en) * 2020-05-15 2020-08-18 江苏大学 Sealing ring with guide vanes in centrifugal pump

Also Published As

Publication number Publication date
FI49345B (en) 1975-01-31
DE2322772A1 (en) 1973-11-29
DK133395B (en) 1976-05-10
DE2322772C3 (en) 1975-09-04
DK133395C (en) 1976-10-04
GB1431189A (en) 1976-04-07
DE2322772B2 (en) 1975-01-16
SE391008B (en) 1977-01-31
NO138296B (en) 1978-05-02
NO138296C (en) 1978-08-09
FR2185275A5 (en) 1973-12-28

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