GB1361987A - Centrifugal pump - Google Patents

Centrifugal pump

Info

Publication number
GB1361987A
GB1361987A GB3650871A GB3650871A GB1361987A GB 1361987 A GB1361987 A GB 1361987A GB 3650871 A GB3650871 A GB 3650871A GB 3650871 A GB3650871 A GB 3650871A GB 1361987 A GB1361987 A GB 1361987A
Authority
GB
United Kingdom
Prior art keywords
sealing
ring
space
low
impeller
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
Application number
GB3650871A
Other languages
English (en)
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.)
Ballast Nedam NV
Original Assignee
Ballast Nedam Groep NV
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 Ballast Nedam Groep NV filed Critical Ballast Nedam Groep NV
Publication of GB1361987A publication Critical patent/GB1361987A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
    • F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
    • F16J15/3412—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities
    • F16J15/342—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with cavities with means for feeding fluid directly to the face
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/622—Adjusting the clearances between rotary and stationary parts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Devices (AREA)
GB3650871A 1970-08-04 1971-07-03 Centrifugal pump Expired GB1361987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7011545.A NL157081B (nl) 1970-08-04 1970-08-04 Afdichting voor het afdichten van een spleet tussen een stationair en een roteerbaar onderdeel.

Publications (1)

Publication Number Publication Date
GB1361987A true GB1361987A (en) 1974-07-30

Family

ID=19810716

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3650871A Expired GB1361987A (en) 1970-08-04 1971-07-03 Centrifugal pump

Country Status (6)

Country Link
US (1) US3754834A (enExample)
JP (1) JPS5427561B1 (enExample)
BE (1) BE770836A (enExample)
FR (1) FR2101970A5 (enExample)
GB (1) GB1361987A (enExample)
NL (2) NL157081B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116792334A (zh) * 2023-06-08 2023-09-22 福建泉昇水泵有限公司 一种叶轮进水段口环密封装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101241A (en) * 1976-05-19 1978-07-18 Kabushiki Kaisha Komatsu Seisakusho Super charger with fluid biased heat shroud
US4334830A (en) * 1980-03-24 1982-06-15 The Nash Engineering Company Two-stage liquid ring pump with improved intrastage and interstage sealing means
US4802818A (en) * 1987-09-28 1989-02-07 Daniel Wiggins Slurry pump suction side liner with replaceable components
US5284347A (en) * 1991-03-25 1994-02-08 General Electric Company Gas bearing sealing means
US5179881A (en) * 1991-04-23 1993-01-19 Mccain Foods Limited System for producing helical vegetable strips and turbine therefor
US5971704A (en) * 1997-04-23 1999-10-26 Toyo Pumps North America Corporation Device for adjusting the running clearance of an impeller
RU2191296C1 (ru) * 2001-02-05 2002-10-20 Тюменский государственный нефтегазовый университет Уплотнение вращающихся частей центробежного насоса
US6599086B2 (en) * 2001-07-03 2003-07-29 Marc S. C. Soja Adjustable pump wear plate positioning assembly
CA2432831A1 (en) * 2003-06-20 2004-12-20 Peter G. Mokry An impeller and a supercharger for an internal combustion engine
US20110177322A1 (en) 2010-01-16 2011-07-21 Douglas Charles Ogrin Ceramic articles and methods
DE102011054320A1 (de) * 2011-10-07 2013-04-11 Uwe Würdig Kreiselpumpe und Anordnung zur Spaltabdichtung
AU2017234645C1 (en) * 2016-03-18 2021-03-18 Weir Slurry Group, Inc. Sealing arrangement for adjustable elements of a pump
CN106989051B (zh) * 2017-05-19 2023-05-12 合肥工业大学 一种用于离心泵的密封口环

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116792334A (zh) * 2023-06-08 2023-09-22 福建泉昇水泵有限公司 一种叶轮进水段口环密封装置

Also Published As

Publication number Publication date
NL7804357A (nl) 1978-09-29
DE2138836A1 (de) 1972-07-13
NL159759B (nl) 1979-03-15
US3754834A (en) 1973-08-28
FR2101970A5 (enExample) 1972-03-31
NL7011545A (enExample) 1972-02-08
NL157081B (nl) 1978-06-15
JPS5427561B1 (enExample) 1979-09-11
BE770836A (fr) 1972-02-02
DE2138836B2 (de) 1975-08-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee