CA1004082A - Centrifugal pump with variable impeller - Google Patents

Centrifugal pump with variable impeller

Info

Publication number
CA1004082A
CA1004082A CA216,427A CA216427A CA1004082A CA 1004082 A CA1004082 A CA 1004082A CA 216427 A CA216427 A CA 216427A CA 1004082 A CA1004082 A CA 1004082A
Authority
CA
Canada
Prior art keywords
centrifugal pump
variable impeller
impeller
variable
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.)
Expired
Application number
CA216,427A
Other versions
CA216427S (en
Inventor
Charles W. Grennan
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.)
Chandler Evans Inc
Original Assignee
Chandler Evans 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 Chandler Evans Inc filed Critical Chandler Evans Inc
Application granted granted Critical
Publication of CA1004082A publication Critical patent/CA1004082A/en
Expired legal-status Critical Current

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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F04D15/0038—Varying behaviour or the very pump by varying the effective cross-sectional area of flow through the rotor
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/042—Axially shiftable rotors
    • 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
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
CA216,427A 1974-02-08 1974-12-19 Centrifugal pump with variable impeller Expired CA1004082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US439845A US3918831A (en) 1974-02-08 1974-02-08 Centrifugal pump with variable impeller

Publications (1)

Publication Number Publication Date
CA1004082A true CA1004082A (en) 1977-01-25

Family

ID=23746365

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,427A Expired CA1004082A (en) 1974-02-08 1974-12-19 Centrifugal pump with variable impeller

Country Status (5)

Country Link
US (1) US3918831A (en)
JP (1) JPS50110103A (en)
CA (1) CA1004082A (en)
DE (1) DE2460282A1 (en)
GB (1) GB1488604A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150916A (en) * 1975-03-13 1979-04-24 Nikkiso Co., Ltd. Axial flow inducers for hydraulic devices
US4070132A (en) * 1976-11-02 1978-01-24 Baltimore Aircoil Company, Inc. Variable performance pump
US4213735A (en) * 1979-02-01 1980-07-22 Chandler Evans Inc. Constant flow centrifugal pump
US4417849A (en) * 1981-09-15 1983-11-29 The United States Of America As Represented By The Secretary Of The Navy Variable geometry centrifugal pump
FR2552168B1 (en) * 1983-09-21 1985-12-20 Dejoux Andre ROTARY PUMP WITH VARIABLE STEP SINGLE PROPELLER
JPS62228699A (en) * 1986-03-31 1987-10-07 Aisin Seiki Co Ltd Water pump
US4828454A (en) * 1986-06-06 1989-05-09 The United States Of America As Represented By The Secretary Of The Navy Variable capacity centrifugal pump
GB2226081A (en) * 1988-12-14 1990-06-20 Rolls Royce Plc Fluid friction pump or turbine
US5211530A (en) * 1992-04-20 1993-05-18 The United States Of America As Represented By The Secretary Of The Navy Variable breadth impeller that provides a specific shutoff head
US5368438A (en) * 1993-06-28 1994-11-29 Baxter International Inc. Blood pump
US5800120A (en) * 1995-11-07 1998-09-01 A. W. Chesterton Co. Pump impeller with adjustable blades
US6139274A (en) * 1998-08-06 2000-10-31 Tcg Unitech Aktiengesellschaft Radial impeller for a centrifugal pump
US6074167A (en) * 1999-02-05 2000-06-13 Woodward Governor Company Variable geometry centrifugal pump
RU2150029C1 (en) * 1999-02-18 2000-05-27 Акционерное общество открытого типа "Авиамоторный научно-технический комплекс "Союз" Adjustable-delivery centrifugal pump
US6364605B1 (en) * 2000-08-25 2002-04-02 Corken, Inc. Regenerative turbine pump
US6419450B1 (en) 2001-05-21 2002-07-16 Grundfos Pumps Manufacturing Corporation Variable width pump impeller
US8267645B2 (en) * 2009-07-31 2012-09-18 Baker Hughes Incorporated Shaftless centrifugal pump
US9874088B2 (en) 2014-08-15 2018-01-23 Baker Hughes, A Ge Company, Llc Wellbore flowmeter
WO2016115641A1 (en) * 2015-01-22 2016-07-28 Litens Automotive Partnership Multi-stage impeller assembly for pump
EP3076020B1 (en) 2015-03-31 2020-12-30 Magna Powertrain FPC Limited Partnership Spring regulated variable flow electric water pump
DE102015119095B4 (en) * 2015-11-06 2019-03-21 Pierburg Gmbh Coolant pump for an internal combustion engine
EP3387262A4 (en) 2015-12-07 2019-07-24 Fluid Handling LLC. Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump
US11459958B2 (en) * 2019-03-22 2022-10-04 Pratt & Whitney Canada Corp. Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180612A (en) * 1876-08-01 Improvement in water-wheels
US2358744A (en) * 1943-09-06 1944-09-19 Ingersoll Rand Co Centrifugal pump
US3788762A (en) * 1972-02-22 1974-01-29 Avco Corp Self-lubricated pump with means for lubricant purification

Also Published As

Publication number Publication date
JPS50110103A (en) 1975-08-29
US3918831A (en) 1975-11-11
DE2460282A1 (en) 1975-08-14
GB1488604A (en) 1977-10-12

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