CA1004082A - Centrifugal pump with variable impeller - Google Patents
Centrifugal pump with variable impellerInfo
- 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
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)
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)
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)
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 |
-
1974
- 1974-02-08 US US439845A patent/US3918831A/en not_active Expired - Lifetime
- 1974-12-11 JP JP49143028A patent/JPS50110103A/ja active Pending
- 1974-12-19 CA CA216,427A patent/CA1004082A/en not_active Expired
- 1974-12-19 DE DE19742460282 patent/DE2460282A1/en not_active Withdrawn
-
1975
- 1975-01-30 GB GB4141/75A patent/GB1488604A/en not_active Expired
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1004082A (en) | Centrifugal pump with variable impeller | |
CA962894A (en) | Variable diffuser centrifugal pump | |
CA1029603A (en) | Peristaltic pump | |
AU459936B2 (en) | Centrifugal pump | |
CA961346A (en) | Multistage centrifugal pump | |
CA1031217A (en) | Pump impeller improvement | |
CA964113A (en) | Centrifugal pump with concrete volute | |
CA980629A (en) | Centrifugal pump structure | |
CA997210A (en) | Self-priming centrifugal pump | |
CA1030809A (en) | Double suction centrifugal pump | |
CA990581A (en) | Centrifugal pumps | |
CA1014010A (en) | Centrifugal pump | |
CA950757A (en) | Bladeless pump impellers | |
AU498634B2 (en) | Centrifugal pump | |
CA994169A (en) | Pumps with swash type impeller | |
AU475401B2 (en) | Self priming centrifugal pumps | |
AU486962B2 (en) | Centrifugal pump mount | |
CA991480A (en) | Centrifugal pump | |
CA1025282A (en) | Horizontally divided double suction centrifugal pump | |
CA1025281A (en) | Centrifugal pump and motor | |
CA982368A (en) | Centrifugal pump mount | |
CA1016408A (en) | Aerating centrifugal pump | |
AU1595376A (en) | Centrifugal pump with curved radial impeller | |
CS179716B1 (en) | Multistage centrifugal pump | |
AU3346771A (en) | Impeller pumps |