US3203352A - Multiple pump assembly - Google Patents

Multiple pump assembly Download PDF

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Publication number
US3203352A
US3203352A US279275A US27927563A US3203352A US 3203352 A US3203352 A US 3203352A US 279275 A US279275 A US 279275A US 27927563 A US27927563 A US 27927563A US 3203352 A US3203352 A US 3203352A
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United States
Prior art keywords
base
common
intake
discharge
disposed
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Expired - Lifetime
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US279275A
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English (en)
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Schafranek Gustav
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    • 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
    • F04D1/06—Multi-stage 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
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type

Definitions

  • This invention relates to pumps, and more particularly to a multiple pump assembly in which a plurality of individual rotary pump units driven from a common shaft are mounted on a common base, and in which the intake fittings of the pumps are connected to a common intake conduit, and the discharge fittings are connected to a common discharge conduit.
  • a further object of the invention is the provision of a multiple pump assembly including a plurality of individual rotary pump units mounted on a common base, and in which the intake openings of the pumps are connected to a common intake conduit, and in which the discharge openings are connected to a common discharge conduit.
  • a still further object of the invention is the provision of a multiple pump assembly in which a plurality of individual rotary pump units are mounted on a common hollow base, and in which a common intake conduit is disconduit being provided with a coupling disposed adjacent one end of the base, and the discharge conduit being provided with a coupling facing in the opposite direction and disposed at one side of the base.
  • a further object of the invention is the provision of a multiple pump assembly, including a pair of pump units, each unit comprising a plurality of individual rotary pumps driven from a common shaft, such pump units being supported on a common base and with a shaft bearing and coupling between the pump units.
  • a still fulther object of the invention is the provision of a multiple pump assembly in which a pair of pump units are provided, each unit comprising a plurality of individual rotary pums driven by a common shaft, such pump units being disposed in spaced relationship on a common base, and with a drive motor having a doubleended shaft disposed between the pump units and connected to the drive shaft of each unit.
  • Another object of the invention is the provision of a multiple pump assembly in which two pairs of pump units are provided, each unit comprising a plurality of individual rotary pumps, driven by a common shaft, the units in each pair being separated and mounted on a common base, and with the drive shafts connected by a coupling and supporting bearing, and with a drive motor having a double-ended shaft disposed between the inner units of each pair and connected to the drive shafts thereof.
  • FIG. 1 is a side elevational view showing a plurality of individual pumps providing a pump unit mounted on a common base, together with a drive motor mounted on such base, and with intake and discharge conduits disposed within the base;
  • FIG. 2 a top plan view 'of the pump assembly shown in FIG. 1;
  • FIG. 3 an end elevational view of the pump assembly shown in FIG. 1, and showing the disposition of the couplings on the intake and discharge conduits;
  • FIG. 4 a fragmentary sectional view showing two of the pumps utilized in the pump unit of FIG. 1, and also showing the manner of mounting such pumps on the common base, and the mannerot connecting the intake and discharge openings to the intake and discharge conduits;
  • FIG. 5 a top plan view showing a modified form of the invention in which two pump units coupled together are mounted on a common base, and in which a drive motor is also mounted on the base and connected to the drive shaft of one of the units;
  • FIG. 6 a top plan view similar to FIG. 5, but showing a further modified form 'of the invention, in which a drive motor having a double-ended shaft is disposed between the pump units and coupled thereto; and,
  • FIG. 7 a top plan view showing a still further modified form of the invention, which in effect combines the forms shown in FIGS. 5 and 6 with a single drive motor having a double-ended shaft driving two pairs of pump units disposed on opposite sides of the motor.
  • FIGS. 1 to 4 there is shown a multiple pump as sembly constructed in accordance with this invention, and in which there is provided a hollow, elongated base 10 which may be constructed as a casting or may be fabricated from metal plates or other suitable structural elements, the base 10 having side walls 11 and 12, end Walls 13 and 14, and a top wall 15.
  • a plurality of intake openings 16 are provided in the top wall 15 of the base 10, and in a similar manner a plurality of discharge openings, not shown, are provided in the top wall 15.
  • each pump 17 includes a casing 18 with a rotor 19 disposed therein, the rotors in all of the pumps 17 being fixed to a common drive shaft 26.
  • the casing 18 of each pump is provided with an intake fitting 21 which is secured to the top wall 15 of the base 16 in communication with the intake opening 16 in the top wall 15, and also each casing 18 is provided with a discharge fitting 22 secured to the top wall 15 of the base and communicating with the discharge opening provided in the top wall 15.
  • An intake conduit 23 is disposed within the base 10, and communicates with all of the intake openings 16 in the top wall of the base 10.
  • the intake conduit 23 may be provided with a coupling 24 disposed exterioraly of the end wall 13 of the base 10, and serves to couple the intake conduit 23 to an intake pipe.
  • a common discharge conduit 25 is disposed in the base 10, and such discharge conduit is connected to all of the discharge openings provided in the top wall 15 of the base 10.
  • the discharge conduit 25 is provided wth a coupling 26 disposed eXteriorly of the side wall 12 of the base 10, and facing generally in a direction opposite to that of the coupling 24 on the intake conduit 23.
  • the coupling 26 serves to connect the discharge conduit 25 to a suitable discharge pipe.
  • a common drive motor 26 is mounted on the top wall 15 of the base 10, and the drive shaft 27 of the motor 26' is connected by a coupling 28 to the common drive shaft 20 of the individual pumps 17.
  • FIG. 5 there is shown a somewhat modified form of the invention in which a pair of pump units 29 and 30, each unit comprising a plurality of individual pumps 31, are mounted on the top wall 32 of an elongated, hollow base 33, the pump units 29 and 30 each having a common shaft, with the shafts coupled together and supported by a suitable bearing 34 disposed between the pump units. Also mounted on the top wall 32 of the base 33 is a common drive motor 35, the drive shaft 36 thereof being connected by a coupling 37 to the shaft 38 of the pump unit 30.
  • a common intake conduit 39 is disposed within the base 33, and is connected to all of the intake openings of the individual pumps 31 in the same manner as described above in connection with the first form of the invention, and the intake conduit 39 may be provided with a suitable coupling 40 disposed exteriorly of the end wall 41 of the base 33.
  • a common discharge conduit 42 is disposed within the base 33, and connected to all of the discharge openings of the individual pumps 31, and the discharge conduit 42 may be provided with a suit able coupling 43 disposed exteriorly of the side wall 44 of the base 33, with the coupling 43 facing generally in a direction opposite to that of the coupling 40.
  • FIG. 6 there is shown a form of the invention alternative to the form shown in FIG. 5 and described above, and as shown in FIG. 6 there may be provided a pair of pump units .5 and 46, each unit including individual rotary pumps 47, the units 45 and 46 being mounted on the top wall 48 of an elongated, common base 49.
  • the pump unit 45 is provided with a common drive shaft, 50, while the pump unit 46 is provided with a common drive shaft 51.
  • a common drive motor 52 is also mounted on the top wall 48 of the base 49, between the pump units 45 and 46, and the drive motor 52 is provided with a doubleended shaft 53 connected by means of a coupling 54 to the shaft 56 of the pump unit 45, and connected by means of a coupling 55 to the shaft 51 of the pump unit 46.
  • a common intake conduit 56 is disposed Within the base 49, and is connected to all of the intake openings of the individual pumps 47, and the intake conduit 56 is provided with a coupling 57 disposed exteriorly of the end wall 58 of the base 49.
  • a common discharge conduit 59 is disposed within the base 49, and is connected to all of the discharge openings of the individual pumps 47, and the discharge conduit 59 is provided with a coupling 66 disposed exteriorly of the end wall 61 of the base 49 to provide a compact pump and drive assembly.
  • a plurality of pump units may be assembled on a common base as shown in FIG. 7, such pump units 62, 63, 64 and 65 each being composed of individual rotary pumps 66.
  • the pump units 62, 63, 64 and 65 are mounted on the top wall 67 of an elongated, common base 68, and the pump units 62 and 63 are provided with shafts coupled together and supported by an intermediate bearing 69, while the pump units 64 and 65 are provided with shafts coupled together and supported by an intermediate bearing 76.
  • a common drive motor 71 is also mounted on the top wall 67 of the base 68 between the innermost pump units 63 and 64, and the drive motor 71 is provided with a double-ended shaft 72 connected by means of a coupling 73 to the shaft of the pump unit 63, and connected by means of a coupling 74 to the shaft of the pump unit 64.
  • a common intake conduit 75 is disposed within the base 68, and is connected to all of the intake openings of the pumps 66 comprising the two pump units 62 and 63, and a coupling 76 on the intake conduit 75 is disposed exteriorly of the end wall 77 of the base 68.
  • a common intake conduit 78 is disposed within the base 68, and is connected to the intake openings of all of the pumps 66 comprising the two pump units 64 and 65, and the intake conduit 78 is provided with a coupling 79 disposed exteriorly of the end wall 88 of the base 68.
  • a common discharge conduit 81 is disposed within the base 68, and is connected to the discharge openings of all of the pumps 66 comprising the pump units 62 and 63, while a second discharge conduit 82 is disposed within the base 68 and is connected to the discharge openings of the pumps 66 comprising the pump units 64 and 65.
  • the discharge conduits 81 and 82 may be provided with couplings 83 and 84, respectively, disposed exteriorly of the side wall of the base 68 adjacent the mid-point thereof, and the couplings 83 and 84 may connect to a common discharge pipe 86.
  • a multiple pump assembly which may be utilized for varying capacity requirements, and in which relatively small, individual rotary pumps may be employed, assembled together to provide a pump unit having the required capacity, with such unit together with a common drive motor being mounted on a common hollow base which also serves to enclose intake and discharge conduits, thereby maintaining space requirements at a minimum.
  • This type of multiple pump assembly also permits the utilization of relatively small, individual pumps having simple, inexpensive castings and other components, and furthermore, with this type of pump assembly a relatively high speed drive motor may be employed which is less costly than a more powerful motor required for driving larger single pumps having the same capacity as the multiple pump assembly of this invention.
  • a multiple pump assembly comprising an elongated hollow base, a top plate on said base, said top plate having a plurality of intake openings and a plurality of discharge openings, 21 common intake conduit disposed in said base and communicating with said intake openings, a coupling on said intake conduit at one end of said base, a common discharge conduit disposed in said base and communicating with said discharge openings, a coupling on said discharge conduit adjacent one side and the opposite end of said base, a plurality of separate, like pump casings disposed in axial alignment, an intake fitting and a discharge fitting on each casing, said casing being secured to said top plate with said intake fittings communicating with said intake openings and said discharge fittings communicating with said discharge openings, whereby said casings are connected in parallel, a separate and like rotor in each casing to provide a pump unit, a common drive shaft fixed to each rotor, and a drive motor coupled to said drive shaft and secured to said top plate.
  • a multiple pump assembly comprising an elongated hollow base, a top plate on said base, said top plate having a plurality of intake openings and a plurality of discharge openings, a common intake conduit disposed in said base and communicating with said intake openings, a common discharge conduit disposed in said base and commuicating with said discharge openings, a plurality of separate like pump casings disposed in axial alignment, an intake fitting and a discharge fitting on each casing, said casings being secured to said top plate with said intake fittings commuicating with said intake openings and said discharge fittings communicating with said discharge openings, whereby said casings are connected in parallel, a separate like rotor in each casing to provide a pump unit, a common drive shaft fixed to each rotor, and a drive motor coupled to said drive shaft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US279275A 1962-05-24 1963-05-09 Multiple pump assembly Expired - Lifetime US3203352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT425262A AT231818B (de) 1962-05-24 1962-05-24 Mehrflutige Pumpe

Publications (1)

Publication Number Publication Date
US3203352A true US3203352A (en) 1965-08-31

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Application Number Title Priority Date Filing Date
US279275A Expired - Lifetime US3203352A (en) 1962-05-24 1963-05-09 Multiple pump assembly

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US (1) US3203352A (de)
AT (1) AT231818B (de)
GB (1) GB1012383A (de)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644054A (en) * 1970-06-08 1972-02-22 Carrier Corp Compressor base and intercoolers
US3748065A (en) * 1970-06-08 1973-07-24 K Pilarczyk Gas compressor construction
JPS5087853A (de) * 1973-12-14 1975-07-15
JPS6129093U (ja) * 1985-04-04 1986-02-21 川崎重工業株式会社 斜流送風機
US4678409A (en) * 1984-11-22 1987-07-07 Fuji Photo Film Co., Ltd. Multiple magnetic pump system
US5300112A (en) * 1992-07-14 1994-04-05 Aai Corporation Articulated heart pump
US5367719A (en) * 1985-09-10 1994-11-29 Swimex Systems Inc. Tank having fluid flow controlling apparatus
US5738305A (en) * 1995-02-22 1998-04-14 The B.F. Goodrich Company Inflation system
US5848538A (en) * 1997-11-06 1998-12-15 American Standard Inc. Oil and refrigerant pump for centrifugal chiller
US6098422A (en) * 1998-12-03 2000-08-08 American Standard Inc. Oil and refrigerant pump for centrifugal chiller
US6644596B1 (en) * 2001-12-21 2003-11-11 Air Cruisers Company Deployment system for inflatable structures
US7434600B1 (en) 2004-12-02 2008-10-14 Air Cruisers Company Pressurized actuator system for inflatable structures
US7644739B1 (en) 2004-12-02 2010-01-12 Air Cruisers Company Pressurized actuation system for inflatable structures
US20110110775A1 (en) * 2009-11-06 2011-05-12 Vision Aquatics, Inc Propulsion System
US10072644B2 (en) 2016-08-10 2018-09-11 Kickstart International, Inc. Portable alternative-energy powered pump assembly
US11293390B2 (en) * 2020-05-25 2022-04-05 Hyundai Motor Company Fuel pump for a liquid fuel injection system of a motor vehicle
US20230060779A1 (en) * 2014-12-31 2023-03-02 Ingersoll-Rand Industrial U.S., Inc. Multi-stage compressor with single electric direct drive motor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179239A (en) * 1978-06-23 1979-12-18 Rockwell International Corporation Modular pump unit for multistage high pressure slurry pump
FR2564530A1 (fr) * 1984-05-16 1985-11-22 Grundfos Sarl Pompes Dispositif surpresseur a plusieurs etages, realise sous forme monobloc
KR101964226B1 (ko) * 2012-09-24 2019-04-01 한화파워시스템 주식회사 압축 시스템

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US220108A (en) * 1879-09-30 Improvement in rotary pumping apparatus
GB191109789A (en) * 1911-04-22 1912-04-22 Henry Burnett Watson Improvements in Centrifugal Pumps and Fans.
FR495178A (fr) * 1919-01-25 1919-10-01 Rateau Soc Pompe rotative à grande variation de hauteur et de débit
US2054292A (en) * 1934-05-12 1936-09-15 Maddocks Harmon Roscoe Air conditioning apparatus
US2842060A (en) * 1955-10-10 1958-07-08 John W Mecom High pressure reciprocating pump
FR1189532A (fr) * 1957-01-15 1959-10-05 Lewa O H G Ott & Schestag Pompe de dosage
US3001692A (en) * 1949-07-26 1961-09-26 Schierl Otto Multistage compressors

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US220108A (en) * 1879-09-30 Improvement in rotary pumping apparatus
GB191109789A (en) * 1911-04-22 1912-04-22 Henry Burnett Watson Improvements in Centrifugal Pumps and Fans.
FR495178A (fr) * 1919-01-25 1919-10-01 Rateau Soc Pompe rotative à grande variation de hauteur et de débit
US2054292A (en) * 1934-05-12 1936-09-15 Maddocks Harmon Roscoe Air conditioning apparatus
US3001692A (en) * 1949-07-26 1961-09-26 Schierl Otto Multistage compressors
US2842060A (en) * 1955-10-10 1958-07-08 John W Mecom High pressure reciprocating pump
FR1189532A (fr) * 1957-01-15 1959-10-05 Lewa O H G Ott & Schestag Pompe de dosage

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644054A (en) * 1970-06-08 1972-02-22 Carrier Corp Compressor base and intercoolers
US3748065A (en) * 1970-06-08 1973-07-24 K Pilarczyk Gas compressor construction
JPS5087853A (de) * 1973-12-14 1975-07-15
US4678409A (en) * 1984-11-22 1987-07-07 Fuji Photo Film Co., Ltd. Multiple magnetic pump system
JPS6129093U (ja) * 1985-04-04 1986-02-21 川崎重工業株式会社 斜流送風機
US5367719A (en) * 1985-09-10 1994-11-29 Swimex Systems Inc. Tank having fluid flow controlling apparatus
US5300112A (en) * 1992-07-14 1994-04-05 Aai Corporation Articulated heart pump
US5405383A (en) * 1992-07-14 1995-04-11 Aai Corporation Articulated heart pump and method of use
US5738305A (en) * 1995-02-22 1998-04-14 The B.F. Goodrich Company Inflation system
US5848538A (en) * 1997-11-06 1998-12-15 American Standard Inc. Oil and refrigerant pump for centrifugal chiller
US6098422A (en) * 1998-12-03 2000-08-08 American Standard Inc. Oil and refrigerant pump for centrifugal chiller
US6250101B1 (en) * 1998-12-03 2001-06-26 American Standard International Inc. Oil and refrigerant pump for centrifugal chiller
US6250102B1 (en) * 1998-12-03 2001-06-26 American Standard International Inc. Oil and refrigerant pump for centrifugal chiller
US6644596B1 (en) * 2001-12-21 2003-11-11 Air Cruisers Company Deployment system for inflatable structures
US7434600B1 (en) 2004-12-02 2008-10-14 Air Cruisers Company Pressurized actuator system for inflatable structures
US7644739B1 (en) 2004-12-02 2010-01-12 Air Cruisers Company Pressurized actuation system for inflatable structures
US20110110775A1 (en) * 2009-11-06 2011-05-12 Vision Aquatics, Inc Propulsion System
US8702387B2 (en) 2009-11-06 2014-04-22 Vision Aquatics, Inc. Propulsion system
US20230060779A1 (en) * 2014-12-31 2023-03-02 Ingersoll-Rand Industrial U.S., Inc. Multi-stage compressor with single electric direct drive motor
US12553443B2 (en) * 2014-12-31 2026-02-17 Ingersoll-Rand Industrial U.S., Inc. Multi-stage compressor with single electric direct drive motor
US10072644B2 (en) 2016-08-10 2018-09-11 Kickstart International, Inc. Portable alternative-energy powered pump assembly
US10968902B2 (en) 2016-08-10 2021-04-06 Kickstart International, Inc. Portable alternative-energy powered pump assembly
US11293390B2 (en) * 2020-05-25 2022-04-05 Hyundai Motor Company Fuel pump for a liquid fuel injection system of a motor vehicle

Also Published As

Publication number Publication date
GB1012383A (en) 1965-12-08
AT231818B (de) 1964-02-25

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