GB2438344A - Wear ring for a centrifugal pitot tube pump - Google Patents

Wear ring for a centrifugal pitot tube pump

Info

Publication number
GB2438344A
GB2438344A GB0717088A GB0717088A GB2438344A GB 2438344 A GB2438344 A GB 2438344A GB 0717088 A GB0717088 A GB 0717088A GB 0717088 A GB0717088 A GB 0717088A GB 2438344 A GB2438344 A GB 2438344A
Authority
GB
United Kingdom
Prior art keywords
pump
wear ring
pitot tube
tube pump
centrifugal
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
GB0717088A
Other versions
GB0717088D0 (en
GB2438344B (en
Inventor
James G Shaw
Joris Simon
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.)
Envirotech Pumpsystems Inc
Original Assignee
Envirotech Pumpsystems Inc
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 Envirotech Pumpsystems Inc filed Critical Envirotech Pumpsystems Inc
Publication of GB0717088D0 publication Critical patent/GB0717088D0/en
Publication of GB2438344A publication Critical patent/GB2438344A/en
Application granted granted Critical
Publication of GB2438344B publication Critical patent/GB2438344B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/40—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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/12—Pumps with scoops or like paring members protruding in the fluid circulating in a bowl
    • 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
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps

Abstract

In a centrifugal pump of the pitot tube type, a replaceable wear ring is positioned in the rotating assembly of the pump in that area of the rotating case which is most subject to erosion from the processing of abrasive fluids by the pitot tube pump. The replaceable wear ring can be easily and quickly replaced when eroded, thereby eliminating the need to replace the rotating case of the pump and eliminating the need for costly and time-consuming rebalancing of the pump.
GB0717088A 2005-03-03 2006-03-02 Wear ring for a centrifugal pitot tube pump Expired - Fee Related GB2438344B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65839905P 2005-03-03 2005-03-03
PCT/US2006/007418 WO2006096448A2 (en) 2005-03-03 2006-03-02 Wear ring for a centrifugal pitot tube pump

Publications (3)

Publication Number Publication Date
GB0717088D0 GB0717088D0 (en) 2007-10-17
GB2438344A true GB2438344A (en) 2007-11-21
GB2438344B GB2438344B (en) 2010-10-27

Family

ID=36953854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0717088A Expired - Fee Related GB2438344B (en) 2005-03-03 2006-03-02 Wear ring for a centrifugal pitot tube pump

Country Status (6)

Country Link
US (1) US20060198731A1 (en)
CN (1) CN101133253A (en)
BR (1) BRPI0607411A2 (en)
DE (1) DE112006000496T5 (en)
GB (1) GB2438344B (en)
WO (1) WO2006096448A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009021922B3 (en) 2009-05-19 2010-09-09 Ksb Aktiengesellschaft Pitot tube pump
CN103062110A (en) * 2011-10-21 2013-04-24 成都思茂科技有限公司 Rust-proof feed pump wear ring
US10151314B2 (en) 2013-03-15 2018-12-11 Envirotech Pumpsystems, Inc. Gear-driven flow-through pitot tube pump
US10968918B2 (en) 2013-09-10 2021-04-06 Schlumberger Technology Corporation Wear rings for electric submersible pump stages
ITCO20130069A1 (en) 2013-12-18 2015-06-19 Nuovo Pignone Srl MULTI-STAGE CENTRIFUGAL COMPRESSOR
US11808265B2 (en) 2019-12-06 2023-11-07 Kinetic Technology Systems, Llc Energy-conserving fluid pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036427A (en) * 1975-06-06 1977-07-19 Kobe, Inc. Combination pitot pump and centrifugal separator
US4264269A (en) * 1978-09-25 1981-04-28 Kobe, Inc. Centrifugal pitot pump with improved pitot

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776658A (en) * 1972-08-14 1973-12-04 Kobe Inc Pitot tube for pitot pump
US3822102A (en) * 1973-03-05 1974-07-02 Kobe Inc Pitot pump with thrust balance
US3999881A (en) * 1975-09-02 1976-12-28 Kobe, Inc. Centrifugal pump of the pitot type
US4251184A (en) * 1979-03-23 1981-02-17 Kobe, Inc. Centrifugal pump
US4279571A (en) * 1979-10-01 1981-07-21 Kobe, Inc. Pitot pump with fluid lubricated bearings
US4252499A (en) * 1979-10-01 1981-02-24 Kobe, Inc. Centrifugal pump
US4674950A (en) * 1985-11-12 1987-06-23 Dresser Industries, Inc. Pitot tube for pitot type centrifugal pump
US5324560A (en) * 1988-08-29 1994-06-28 Oblander M Duane Method of molding a polyurethane wear ring
US5997243A (en) * 1998-01-21 1999-12-07 Envirotech Pumpsystems, Inc. Pitot tube inlet insert
US20050236245A1 (en) * 2004-04-27 2005-10-27 Inertia Dynamics, Inc. Clutch with wear ring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036427A (en) * 1975-06-06 1977-07-19 Kobe, Inc. Combination pitot pump and centrifugal separator
US4264269A (en) * 1978-09-25 1981-04-28 Kobe, Inc. Centrifugal pitot pump with improved pitot

Also Published As

Publication number Publication date
BRPI0607411A2 (en) 2009-09-01
DE112006000496T5 (en) 2008-01-24
CN101133253A (en) 2008-02-27
US20060198731A1 (en) 2006-09-07
WO2006096448A3 (en) 2007-10-04
GB0717088D0 (en) 2007-10-17
GB2438344B (en) 2010-10-27
WO2006096448A2 (en) 2006-09-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120302