US3841791A - Adaptor and frame for a centrifugal pump - Google Patents

Adaptor and frame for a centrifugal pump Download PDF

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Publication number
US3841791A
US3841791A US00257583A US25758372A US3841791A US 3841791 A US3841791 A US 3841791A US 00257583 A US00257583 A US 00257583A US 25758372 A US25758372 A US 25758372A US 3841791 A US3841791 A US 3841791A
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United States
Prior art keywords
pump
adaptor
bearing cartridge
casing
connecting bracket
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 - Lifetime
Application number
US00257583A
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English (en)
Inventor
J Doolin
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.)
Edison International Inc
Original Assignee
Worthington Corp
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 Worthington Corp filed Critical Worthington Corp
Priority to US00257583A priority Critical patent/US3841791A/en
Priority to GB4015175A priority patent/GB1440822A/en
Priority to GB503876A priority patent/GB1440823A/en
Priority to GB2509473A priority patent/GB1440821A/en
Priority to DE2327262A priority patent/DE2327262A1/de
Priority to JP48059898A priority patent/JPS4950504A/ja
Application granted granted Critical
Publication of US3841791A publication Critical patent/US3841791A/en
Assigned to STUDEBAKER-WORTHINGTON, INC., A CORP. OF DE. reassignment STUDEBAKER-WORTHINGTON, INC., A CORP. OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WORTHINGTON CORPORATION
Assigned to EDISON INTERNATONAL, INC. reassignment EDISON INTERNATONAL, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: STUDEBAKER-WORTHINGTON, INC., A CORP. OF DE
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of 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
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/601—Assembly methods using limited numbers of standard modules which can be adapted by machining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/912—Interchangeable parts to vary pumping capacity or size of pump

Definitions

  • Bobis ABSTRACT Centrifugal Pump Means to provide selectively close coupled centrifugal pump means and separately coupled centrifugal pump means from a wide variety of interchangeable modular components including respectively pluralities of different, interchangeable pump casings, pump impellers, pump drive shafts, adaptors, pump drive means and shaft seals each of which may be readily and conveniently operatively connected to each of the other stated pump components to thereby enable the provision of a very wide variety of different centrifugal pump means taking either close or separately coupled form, each of which is particularly suitable for a group of different pumping applications, without requiring the manufacture and inventory of a wide variety of completed pumps.
  • centrifugal pump means having some interchangeable components are known, the provision for a wide variety of different centrifugal pump means, each particularly suitable for a different pumping application, will require the manufacture and inventory of a corresponding wide variety of completed pumps a significant competitive disadvantage from a financial viewpoint because of the money tied up in inventory.
  • the present invention overcomes this problem by providing a wide variety of close coupled and separately coupled centrifugal pump means for a group of different pump applications which utilizes separate, different and independent forms of casings, impellers, driving means for the impeller including, driven shafts connectable to the impellers, adaptors, and seal means for the driven shafts; each readily and conveniently interchangeable with other of the same elements without SUMMARY OF THE INVENTION
  • the present invention covers apparatus to provide selectively, close coupled and separately coupled centrifugal pump means, from interchangeable modular components including a plurality of different, interchangeable casings each having'an identical back opening, a plurality of different interchangeable impellers each of which may be disposed in each of said casings, a plurality of different interchangeable drive shafts each of which may be extended onto each of said casings and operatively connected therein to each of said impellers, a plurality of different, interchangeable adaptors each having an identical connecting means at one end to permit any given adaptor to be connected to the back end
  • FIG. 1 is a side elevational view of a close coupled pump constructed and operative in accordance with the teachings of the invention
  • FIG. 2 is an end elevational view of the pump of FIG. 1..
  • FIG. 3 is a vertical cross sectional view taken through the pump to FIG. 1.
  • FIG. 4 is an exploded view of the pump of FIGS. 1 to 3 with parts cut away and parts in cross section.
  • FIG. 5 is a vertical cross sectional view taken through the inlet of the pump of FIGS. 1 4 illustrating an optional inducer
  • FIG. 6 is a side elevational view of a separately coupled pump constructed and operative in accordance with the teachings of the invention and which comprises an open bearing frame or cartridge,
  • FIG. 7 is an end elevational view of the pump of FIG. 6.
  • FIG. 8 is a side elevational view of an enclosed bearing frame or cartridge for alternative use in the pump of FIG. 6,
  • FIG. 9 is a vertical cross sectional view taken through the pump of FIG. 6 but incorporating the enclosed bearing cartridge of FIG. 8 therein,
  • FIG. 10 is a side elevational view with parts broken away and parts in cross section of a modified form of the enclosed bearing frame or cartridge of FIG. 8,
  • FIG. 11 is an exploded view with parts cut away and parts in cross section of the pump of FIG. 9,
  • FIG. 12 is a vertical section taken at line l2l2 of FIG. 9 to show the support means operatively associated with the adaptor
  • FIG. 13 is a vertical cross sectional view of a portion of the pump casing of FIG. 9 illustrating the use of a shroudless impeller and adjustable shroud therein,
  • FIG. 14 is a side elevational view of another form of closely coupled pump of the invention which includes a one piece adaptor,
  • FIG. 15 is a side elevational view of another form of pump casing
  • FIG. 16 is a side elevational view of a vertically oriented, separately coupled pumpinaccordance with the invention partly broken away to show the back portion of the casing,
  • FIG. 17 is a side elevational view of a two-piece adaptor pump casing combination of the invention partly in vertical section,
  • FIGS. 18 and 19 are respectively side elevational views of the two pieces of the adaptor of FIG. 16.
  • FIG. 20 is another form of vertically oriented separatelycoupled pump in vertical section to show the arrangement in accordance with the present invention.
  • FIGS. 1 4 a close coupled centrifugal pump constructed and operative in accordance with the teachings of this invention is indicated at 30 and comprises a pump end or pump casing 31.
  • Pump casing 31 is generally cylindrical in shape and has the usual suction inlet 32 internally threaded as at 33 and a discharge outlet 34.
  • the side remote from the suction inlet forms a back opening 35 having a counterbore 36 forming a shoulder as at 37.
  • the form of this back opening though relatively simple is important because it serves as one of the techniques to enable interchangeability of the casings with any of the desired forms of adaptors at 38.
  • Adaptor 38 is a one piece adaptor and the pump is driven therethrough, as described in detail hereinbelow, from an electric drive motor 40.
  • Support lugs 39a and 39b are respectively formed as shown on the pump casing 31 and the housing of electric drive motor 40 to permit this form of pump to be maintained in alignment on eithersuitable mounting means or a baseplate, not shown.
  • the one piece adaptor 38 has a cup-like configuration as shown in FIGS. 3 and 4 and comprises a front wall portion 42, having a casing wearing ring 44 disposed therein which in assembled position will form the back cover plate of the pump casing.
  • the adaptor 38 is attached to the pump casing 31 by attachment bolts 46 extending through an attachment flange 48 on the adaptor and into threaded bores 47 on said pump casing.
  • the adaptor 38 is attached to the housing of drive motor 40 by attachment bolts 50 which pass as shown through adaptor attachment flange 52 into suitable threaded bores 51 in said motor housing. Drain and gauge connection plugs 53 and 55 are provided as shown in pump casing 32.
  • the motor drive shaft is indicated at 54 and extends as shown through the adaptor 38 into the pump casing 31.
  • the centrifugal pump impeller is indicated at 56 and is of the shrouded type.
  • the impeller includes balancing ports 57 and is attached as showndirectly to the motor drive shaft by an attachment bolt 58 and a key 59.
  • a casing wearing ring 60 is disposed as shown in the pump casing 31 adjacent the forward edge of the impeller 56.
  • a flexible mechanical seal is indicated generally at 62 and is disposed in a seal housing 63 formed as an integral part of the one piece adaptor 38.
  • the seal 62 is carried from a rotatable shaft sleeve 64 and includes a spring assembly 66 and a seal ring 68 which is pressed into sealing contact with a non-rotatable seat member 70 carried by the adaptor 38.
  • an'optional inducer of the depicted helical form is indicated at 72 and is attached as'shown to the end of drive shaft 54 just ahead of impeller 56 by an integral attachment bolt 74.
  • Bolt 74 acts in place of the attachment bolt 58 and will hold the inducer 72 and the impeller 56 on shaft 54 as is shown in FIG. 3 of the drawings.
  • Support means 96, 98 and 100 are respectively provided on the pump casing 82, adaptor 84 and the drive motor 88.
  • the support means 98 operatively connected to the adaptor differs from the conventional prior art practice which heretofore placed the medially disposed support under the bearing cartridge of the separately coupled pumping arrangements.
  • the overall effect of bringing the medial support means 98 in as shown in FIGS. 6 and 9 of the drawing is to cut the overhang bending load of the bearing cartridge around the shaft by one-half.
  • the effect of this change is to reduce the support load on the bolts connecting the bearing cartridge to the adaptor as is more fully described hereinafter.
  • medially disposed support 98 allows room for the cooling jacket sleeve about the bearing cartridge as will also be more fully described below.
  • the medially disposed support 98 is shown in FIGS. 6, 9, 11 and 12 as a primarily solid float body member generally designated 99 which in assembled position will be slotted angularly to the longitudinal line of the pump 84.
  • a primarily solid float body member generally designated 99 At one end an arcuated curved flanged member 99a is found which is shaped to snugly engage and fit the curved outer face of any associated adaptor means to which it is connected by a suitable medially disposed bolt member 99b which extends through the flanged member 99a into a threaded bore as at 990.
  • a pair of spaced legs as at 99d and 993 are respectively provided with support pads as at 99f and 99g.
  • the pump casing 82 includes a flanged inlet 102 and a centerline discharge flanged outlet 104.
  • the casing 82 is provided with a substantially similar back opening 83 counterbore 83a and shoulder 83b which receives the two-piece adaptor 84.
  • the two-piece adaptor 84 comprises a generally cylindrical housing 106 having a core-like member 108 fitted thereinto as shown and which in turn includes the back plate 110 of the pump casing 82 and a shaft packing mounting section 112 formed integrally therewith.
  • An 0 ring 114 maintains the requisite seal between the section 112 and housing 106, and easing wear rings 116 and 117 are disposed as shown in the back plate 110 and the pump casing 82 for obvious purpose.
  • the adaptor 84 is attached to the pump casing 82 by attachment bolts 118 which extend as shown through an attachment flange into said casing. Drain plugs 119 a nd812l are provided in the pump casing 82 and adaptor 4.
  • the driven shaft for the pump is indicated at 120 and is of the depicted stepped configuration.
  • Shaft 120 extends from the coupling 92 bearing cartridge selected as will be described, the adaptor 84 into the pump casing 82.
  • the packing member 138 comprises spaced apertures 148 formed therein for the supply of the pumped fluid as a lubricant to the packing assembly, and partially threaded fluid supply ports 150 are formed as shown in adaptor section 112 to mate with each aperture 148 and enable the supply of fluid thereto.
  • An enclosed bearing cartridge is indicated generally at 152 and comprises a generally cylindrical housing 154 having ball bearing assemblies 156 and 158 mounted as shown at opposite extremities thereof by retaining rings 157 and 159.
  • the housing 154 is attached to the adaptor housing 106 by attachment bolts 160 which extend through attachment flanges 161 and 162 as are respectively formed on said bearing cartridge and adaptor housings.
  • End caps 164 and 166 are provided as shown at opposite extremities of the bearing cartridge housing 152 to seal the interior thereof, and are attached to said housing by attachment bolts 168 and 170. Seals 172 and 174 are provided as shown in the driven shaft apertues through the end caps.
  • the bearing cartridge 154 is partially filled with a suitable lubricating oil, and spaced slingers 176 and 178 are attached to the driven shaft 120 to promote circulation of said lubricating oil through the bearing assemblies 156 and 158.
  • the remote extremity of the driven shaft 120 has a keyway 180 formed therein for attachment of the shaft to the coupling 92 as shown in FIG. 61.
  • annular water jacket casing 181 illustrated in phantomized form in FIG. 9 will provide a water cooling passage as at 181a about the bearing cartridge to permit cooling water to be passed therethrough for cooling the bearing cartridge 84.
  • a modified or heavier duty form of the enclosed bearing cartridge is indicated generally at 182 in FIG. 10.
  • the construction is substantially similar to bearing cartridge 152 and like parts therefor have been given the same numbers.
  • Bearing cartridge 182 differs from bearing cartridge 152 in that dual ball bearing assemblies are provided at each end of the cartridge housing 154 and the end cover 164' is modified to mount this dual arrangement.
  • FIG. shows ball bearing assemblies 183 and 184 as held in the cup shaped end cover 164' by an end flange 186 about the open end of end cover 164'.
  • the end cover is provided with a circumferential flange 187 through which bolts 188 are passed to hold the end cover 164 in assembled position on the housing 154 to properly provide bearing support for the driven shaft 120.
  • the modified combination of the end cover 164' facilitates assembly and replacement and provides better support for the ball bearing assemblies 183 and 184.
  • FIG. 13 The utilization of an open impeller with a replaceable shroud in a selected pump casing such as pump casing 82 is illustrated in FIG. 13.
  • the open impeller is indicated at 192 and the replaceable shroud at 194.
  • Replaceable shroud is supported in casing 82 by bolt means 196.
  • the versatility of the present invention is indicated in this arrangement because it permits the same casing to be used with a shrouded or closed impeller or a nonshrouded or open impeller.
  • the replaceable shroud element is subject to wear and can be replaced cheaply while the pump is being used with an open impeller.
  • the pump is readily convertible to a shrouded impeller or back to an open impeller as the user thereof may elect or require.
  • ALTERNATE PUMP CASING ANOTHER ALTERNATE PUMP CASING A somewhat'different form of pump casing is indicated at 206 in FIG. 15 and comprises integral support legs formed to each side thereof and only one of which is visible as indicated at 208 in FIG. 15.
  • a vertically oriented, separately coupled pump constructed and operative in accordance with the teachings of this invention is indicated generally at 210 in FIG. 16 and comprises an in-line pump casing 211 having a flanged, volute-like inlet 212 and a flanged, centerline discharge outlet 213.
  • In-line pump casing 211 similar to pump casing 31 and pump casing 81 is provided with a substantially similar back opening at 214 having a counterbore at 215 and a shoulder at 216 to'receive an adaptor such as the two-piece adaptor as indicated at 218.
  • Twopiece adaptor 218 is mounted about the pump drive shaft 220.
  • An electric drive motor is indicated at 222 and is disposed as shown atop the adaptor 218.
  • the motor 222 includes a drive shaft 224 which in the illustrated form of adaptor utilized will be coupled to the pump drive shaft by the quick detachable coupling 226.
  • Support for the pump 210 is provided by support posts 228 and 230 which extend downwardly from the bottom of casing 211, and by support posts 232 and 234 which extend downwardly from the bottom of casing 212.
  • FIG. shows still another arrangement utilizing the versatility of the present invention wherein a vertically oriented pump is operatively associated with a remote drive means.
  • the pump casing designated 270 includes a suction inlet 271 and a pump chamber 272 and a radially extending discharge outlet 273.
  • Casing 270 is open at the back end and is provided with a flange 274 inwardly of the open end whichforms the counterbore 275 and a stop shoulder 276 identical in design to the back openings of all of the casing designs of the present invention previously illustrated and described.
  • Support legs as at 277 and 278 in engagement with the casing 270 may be used to support the pumping arrangcment.
  • a two-piece adaptor generally designated 280 acts to close the back of the pump casing 270 by connection thereto as hereinafter described and at the end of the adaptor remote from the end connected to the pump casing 270 connects with one end of an elongated pipe 281 which in turn connects to the base of the coupling support 282 for a driving means, not shown.
  • the adaptor 280 includes an outer generally cylindrical housing 283 which is provided with attachment flanges as at 284 and 285 at the respective ends. Attachment flange 284 is a predetermined speed distance back from the end so that the adaptor can hold an inner core member 286 in engagement with the shoulder 276 of the casing 270 when connecting bolts extending through the attachment flange 284 connects the adaptor to the back end of pump casing 270.
  • the core 286 is shown to include the end cover or back plate as at 287 for the pumping chamber and provides a suitable lubricated bearing arrangement 288 for the driven shaft 289 which is disposed to extend vertically from suitable bearing means 290 in the coupling support 282.
  • the driven shaft 289 extends the length of the elongated pipe 281 through bearing 288 and the core 286 into pump chamber 272 where the impeller 291 is connected to the end thereof as by a threaded nut 292.
  • the one-piece adaptor 38 of FIG. 3 may be interchanged with the two-piece adaptor 218 of FIG. 15, for use with the pump casing 212 of the latter figure.
  • the two-piece adaptor 84 of FIG. 9 could be interchanged with the one-piece adaptor 38 of FIG. 3 for use with the pump casing 34 of the latter figure.
  • a separately coupled pump including a bearing cartridge and utilizing the pump casing 32 and impeller56 of FIG. 3 were required, as for a heavy duty application, it is believed clear that the two-piece adaptor 84 and the bearing cartridge 182 of FIG. 10 could be interchanged with theadaptor 38 of FIG. 3.
  • centrifugal pumps of the invention is the fact that the different forms of pump casings, pump drive shafts, pump drive means, pump impellers and adaptors are interchangeable, each with the others, to thereby enable the ready assembly of pumps for a variety or a group of different pumping applications without requiring the manufacture and maintenance of a large stock of different completed pumps.
  • a connecting bracket independent of said end cover and seal assembly and said frame dispose about the shaft and spaced therefrom having a first connecting means at one end for connecting the adaptor to the back end of the casing, and at the end remote therefrom a second connecting means for connecting the connecting bracket to the frame,
  • the frame includes, support means for said connecting bracket at the end remote from the connecting means to support one end of said bearing cartridge in assembled position.
  • a two piece adaptor as claimed in claim 1 including a cooling jacket about the bearing cartridge, and

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  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US00257583A 1972-05-30 1972-05-30 Adaptor and frame for a centrifugal pump Expired - Lifetime US3841791A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US00257583A US3841791A (en) 1972-05-30 1972-05-30 Adaptor and frame for a centrifugal pump
GB503876A GB1440823A (en) 1972-05-30 1973-05-25 Separately coupled centrifugal pumps coupling having an electrical connector for bridging a flexible electrically insulating coupling
GB2509473A GB1440821A (en) 1972-05-30 1973-05-25 Centrifugal pump means from interchangeable modular components
GB4015175A GB1440822A (en) 1972-05-30 1973-05-25 Centrifugal pump means from interchangeable modular components
DE2327262A DE2327262A1 (de) 1972-05-30 1973-05-29 Zentrifugalpumpen aus austauschbaren baukastenteilen
JP48059898A JPS4950504A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-05-30 1973-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00257583A US3841791A (en) 1972-05-30 1972-05-30 Adaptor and frame for a centrifugal pump

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US3841791A true US3841791A (en) 1974-10-15

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US00257583A Expired - Lifetime US3841791A (en) 1972-05-30 1972-05-30 Adaptor and frame for a centrifugal pump

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US (1) US3841791A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4950504A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2327262A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (3) GB1440823A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994619A (en) * 1974-08-20 1976-11-30 Maschinenfabrik Andritz Aktiengesellschaft Sealing-compartment arrangement in main coolant pumps
US4057361A (en) * 1974-03-11 1977-11-08 Societe Pompes Multiflux Centrifugal pump
US4235486A (en) * 1978-11-06 1980-11-25 Holtzclaw Carl B Replaceable bearing assembly for a pump apparatus
US4245952A (en) * 1979-05-10 1981-01-20 Hale Fire Pump Company Pump
US4386886A (en) * 1980-04-14 1983-06-07 Buffalo Forge Company Adjustable vortex pump
US4557672A (en) * 1984-01-13 1985-12-10 Fred Levine Ice machine pump rebuild kit
US4586872A (en) * 1982-12-24 1986-05-06 Klockner-Humboldt-Deutz Ag Centrifugal pump
US4773765A (en) * 1986-11-24 1988-09-27 Erskine Wood S Blender pump adaptor
US4902199A (en) * 1986-10-14 1990-02-20 Xerox Corporation Universal blower
FR2652838A1 (fr) * 1989-10-11 1991-04-12 Mannesmann Ag Dispositif de couplage entre un moteur d'entrainement et une transmission de pompe d'un excavateur ou appareil analogue.
US5172754A (en) * 1988-10-27 1992-12-22 Graber Neil M Heat exchanger for recovery of heat from a spa or hot tub pump motor
US5281878A (en) * 1992-08-27 1994-01-25 Schaeffer George L Adaptor for hydraulic power tilt/trim reservoirs
US5564914A (en) * 1993-10-13 1996-10-15 Ebara Corporation Fluid machine with induction motor
US5638796A (en) * 1994-06-03 1997-06-17 Adams, Iii; Herbert L. Electric supercharger
US5785507A (en) * 1994-09-19 1998-07-28 Dial Manufacturing, Inc. Evaporative cooler pump
WO1999000601A1 (en) * 1997-06-26 1999-01-07 Turbodyne Systems, Inc. Compact blower assembly having interchangeable blower wheel assemblies
US5873697A (en) * 1994-10-11 1999-02-23 Chevron U.S.A., Inc. Method of improving centrifugal pump efficiency
US6379127B1 (en) 2000-09-29 2002-04-30 Lawrence Pumps, Inc. Submersible motor with shaft seals
US20050013690A1 (en) * 2003-06-02 2005-01-20 Borrowman David P. Component assembly for reconfiguring a centrifugal pump
US20060177325A1 (en) * 2004-01-16 2006-08-10 Peterson David J Jr Motor-driven pump for pool or spa
US20080085185A1 (en) * 2006-10-10 2008-04-10 Greg Towsley Multistage pump assembly
US20090214332A1 (en) * 2006-10-10 2009-08-27 Grundfos Pumps Corporation Multistage pump assembly having removable cartridge
US20090246039A1 (en) * 2006-01-09 2009-10-01 Grundfos Pumps Corporation Carrier assembly for a pump
US20090285678A1 (en) * 2008-05-19 2009-11-19 Baker Hughes Incorporated System, method and apparatus for open impeller and diffuser assembly for multi-stage submersible pump
US20120286599A1 (en) * 2011-05-09 2012-11-15 Honeywell International Inc. Generator with integrated blower
US20140023528A1 (en) * 2010-06-25 2014-01-23 Schlumberger Technology Corporation System and method for reducing vibration in a fluid pump
US20140072409A1 (en) * 2012-09-07 2014-03-13 Herborner Pumpenfabrik J.H. Hoffmann GmbH & Co. KG Pump and protector for pump
US20150240831A1 (en) * 2008-06-13 2015-08-27 Weir Minerals Australia Ltd. Lubricant retainer for pump shaft bearing assembly
US9133853B2 (en) 2010-07-21 2015-09-15 Itt Manufacturing Enterprises Llc. Pump designed for installation conversion
US9309895B2 (en) 2012-06-18 2016-04-12 Kennametal Inc. Closed impeller with a coated vane
US9488184B2 (en) 2012-05-02 2016-11-08 King Abdulaziz City For Science And Technology Method and system of increasing wear resistance of a part of a rotating mechanism exposed to fluid flow therethrough
CN107339262A (zh) * 2017-07-21 2017-11-10 上海电气凯士比核电泵阀有限公司 径向剖分卧式单级离心泵转子拆装装置及方法
WO2020026263A1 (en) * 2018-07-31 2020-02-06 Cri Pumps Private Limited Integrated connecting frame with bearing cover
EP2447537B1 (de) * 2010-11-02 2020-06-17 Wilo Se Führung des Laternen-Einsteckteils

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625903A1 (de) * 1976-06-04 1977-12-15 Aeg Kanis Turbinen Einstufige getriebeturbinen
FI85753C (fi) * 1988-03-15 1992-05-25 Ahlstroem Oy Centrifugalpumpkonstruktion.
US4957504A (en) * 1988-12-02 1990-09-18 Chardack William M Implantable blood pump
ES2019491A6 (es) * 1989-08-04 1991-06-16 Fagor S Coop Ltda Mejoras introducidas en bombas para electrodomesticos accionados por motor sincrono.
DE102013201902A1 (de) 2012-02-08 2013-08-08 Ksb Aktiengesellschaft Kreiselpumpe und Baureihe von Kreiselpumpen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1714734A (en) * 1927-05-31 1929-05-28 Minette E Skidmore Condensation pump and receiver
US2277333A (en) * 1940-01-20 1942-03-24 Micro Westco Inc Pump and motor assembly
US3153382A (en) * 1962-05-24 1964-10-20 Itt Submersible motor-pump unit
US3180270A (en) * 1964-01-10 1965-04-27 Ingersoll Rand Co Pump with bearing lubricating and cooling means
US3249057A (en) * 1964-01-30 1966-05-03 Allis Chalmers Mfg Co Centrifugal pump bearing bracket
US3551067A (en) * 1969-01-22 1970-12-29 Duriron Co Lined corrosion resistant pump
US3637331A (en) * 1970-06-01 1972-01-25 Worthington Corp Self-contained pumping unit
US3711218A (en) * 1971-01-11 1973-01-16 Dorr Oliver Inc Centrifugal pump with open type impeller

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1714734A (en) * 1927-05-31 1929-05-28 Minette E Skidmore Condensation pump and receiver
US2277333A (en) * 1940-01-20 1942-03-24 Micro Westco Inc Pump and motor assembly
US3153382A (en) * 1962-05-24 1964-10-20 Itt Submersible motor-pump unit
US3180270A (en) * 1964-01-10 1965-04-27 Ingersoll Rand Co Pump with bearing lubricating and cooling means
US3249057A (en) * 1964-01-30 1966-05-03 Allis Chalmers Mfg Co Centrifugal pump bearing bracket
US3551067A (en) * 1969-01-22 1970-12-29 Duriron Co Lined corrosion resistant pump
US3637331A (en) * 1970-06-01 1972-01-25 Worthington Corp Self-contained pumping unit
US3711218A (en) * 1971-01-11 1973-01-16 Dorr Oliver Inc Centrifugal pump with open type impeller

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057361A (en) * 1974-03-11 1977-11-08 Societe Pompes Multiflux Centrifugal pump
US3994619A (en) * 1974-08-20 1976-11-30 Maschinenfabrik Andritz Aktiengesellschaft Sealing-compartment arrangement in main coolant pumps
US4235486A (en) * 1978-11-06 1980-11-25 Holtzclaw Carl B Replaceable bearing assembly for a pump apparatus
US4245952A (en) * 1979-05-10 1981-01-20 Hale Fire Pump Company Pump
US4386886A (en) * 1980-04-14 1983-06-07 Buffalo Forge Company Adjustable vortex pump
US4586872A (en) * 1982-12-24 1986-05-06 Klockner-Humboldt-Deutz Ag Centrifugal pump
US4557672A (en) * 1984-01-13 1985-12-10 Fred Levine Ice machine pump rebuild kit
US4902199A (en) * 1986-10-14 1990-02-20 Xerox Corporation Universal blower
US4773765A (en) * 1986-11-24 1988-09-27 Erskine Wood S Blender pump adaptor
US5172754A (en) * 1988-10-27 1992-12-22 Graber Neil M Heat exchanger for recovery of heat from a spa or hot tub pump motor
FR2652838A1 (fr) * 1989-10-11 1991-04-12 Mannesmann Ag Dispositif de couplage entre un moteur d'entrainement et une transmission de pompe d'un excavateur ou appareil analogue.
US5281878A (en) * 1992-08-27 1994-01-25 Schaeffer George L Adaptor for hydraulic power tilt/trim reservoirs
US5564914A (en) * 1993-10-13 1996-10-15 Ebara Corporation Fluid machine with induction motor
US5638796A (en) * 1994-06-03 1997-06-17 Adams, Iii; Herbert L. Electric supercharger
US5785507A (en) * 1994-09-19 1998-07-28 Dial Manufacturing, Inc. Evaporative cooler pump
US5873697A (en) * 1994-10-11 1999-02-23 Chevron U.S.A., Inc. Method of improving centrifugal pump efficiency
WO1999000601A1 (en) * 1997-06-26 1999-01-07 Turbodyne Systems, Inc. Compact blower assembly having interchangeable blower wheel assemblies
US6135731A (en) * 1997-06-26 2000-10-24 Turbodyne Systems, Inc. Compact and self-cooling blower assembly
US6379127B1 (en) 2000-09-29 2002-04-30 Lawrence Pumps, Inc. Submersible motor with shaft seals
US7121794B2 (en) * 2003-06-02 2006-10-17 Envirotech Pumpsystems, Inc. Component assembly for reconfiguring a centrifugal pump
US20050013690A1 (en) * 2003-06-02 2005-01-20 Borrowman David P. Component assembly for reconfiguring a centrifugal pump
US20060177325A1 (en) * 2004-01-16 2006-08-10 Peterson David J Jr Motor-driven pump for pool or spa
US20090100589A1 (en) * 2004-01-16 2009-04-23 Peterson Jr David J Motor-driven pump for pool or spa
US20090246039A1 (en) * 2006-01-09 2009-10-01 Grundfos Pumps Corporation Carrier assembly for a pump
US20080085185A1 (en) * 2006-10-10 2008-04-10 Greg Towsley Multistage pump assembly
US20090214332A1 (en) * 2006-10-10 2009-08-27 Grundfos Pumps Corporation Multistage pump assembly having removable cartridge
US7946810B2 (en) 2006-10-10 2011-05-24 Grundfos Pumps Corporation Multistage pump assembly
US8172523B2 (en) 2006-10-10 2012-05-08 Grudfos Pumps Corporation Multistage pump assembly having removable cartridge
US20090285678A1 (en) * 2008-05-19 2009-11-19 Baker Hughes Incorporated System, method and apparatus for open impeller and diffuser assembly for multi-stage submersible pump
US8070426B2 (en) 2008-05-19 2011-12-06 Baker Hughes Incorporated System, method and apparatus for open impeller and diffuser assembly for multi-stage submersible pump
US9618006B2 (en) * 2008-06-13 2017-04-11 Weir Minerals Australia Ltd. Lubricant retainer for pump shaft bearing assembly
US20150240831A1 (en) * 2008-06-13 2015-08-27 Weir Minerals Australia Ltd. Lubricant retainer for pump shaft bearing assembly
US20140023528A1 (en) * 2010-06-25 2014-01-23 Schlumberger Technology Corporation System and method for reducing vibration in a fluid pump
US9133853B2 (en) 2010-07-21 2015-09-15 Itt Manufacturing Enterprises Llc. Pump designed for installation conversion
EP2447537B1 (de) * 2010-11-02 2020-06-17 Wilo Se Führung des Laternen-Einsteckteils
US8598751B2 (en) * 2011-05-09 2013-12-03 Honeywell International Inc. Generator with integrated blower
US20120286599A1 (en) * 2011-05-09 2012-11-15 Honeywell International Inc. Generator with integrated blower
US9488184B2 (en) 2012-05-02 2016-11-08 King Abdulaziz City For Science And Technology Method and system of increasing wear resistance of a part of a rotating mechanism exposed to fluid flow therethrough
US9309895B2 (en) 2012-06-18 2016-04-12 Kennametal Inc. Closed impeller with a coated vane
US20140072409A1 (en) * 2012-09-07 2014-03-13 Herborner Pumpenfabrik J.H. Hoffmann GmbH & Co. KG Pump and protector for pump
US9482238B2 (en) * 2012-09-07 2016-11-01 Herborner Pumpentechnik GmbH & Co. KG Pump and protector for pump
CN107339262A (zh) * 2017-07-21 2017-11-10 上海电气凯士比核电泵阀有限公司 径向剖分卧式单级离心泵转子拆装装置及方法
WO2020026263A1 (en) * 2018-07-31 2020-02-06 Cri Pumps Private Limited Integrated connecting frame with bearing cover

Also Published As

Publication number Publication date
GB1440821A (en) 1976-06-30
DE2327262A1 (de) 1973-12-13
GB1440823A (en) 1976-06-30
JPS4950504A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-16
GB1440822A (en) 1976-06-30

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