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IT1036988B - IMPELLER DEVICE - Google Patents

IMPELLER DEVICE

Info

Publication number
IT1036988B
IT1036988B IT5004475A IT5004475A IT1036988B IT 1036988 B IT1036988 B IT 1036988B IT 5004475 A IT5004475 A IT 5004475A IT 5004475 A IT5004475 A IT 5004475A IT 1036988 B IT1036988 B IT 1036988B
Authority
IT
Italy
Prior art keywords
impeller device
impeller
Prior art date
Application number
IT5004475A
Other languages
Italian (it)
Original Assignee
Sundstrand 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
Priority claimed from US05/479,130 external-priority patent/US3953150A/en
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Application granted granted Critical
Publication of IT1036988B publication Critical patent/IT1036988B/en

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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings 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
    • F04D29/18—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
    • 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
    • F04D29/24—Vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT5004475A 1974-06-13 1975-06-13 IMPELLER DEVICE IT1036988B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/479,130 US3953150A (en) 1972-02-10 1974-06-13 Impeller apparatus

Publications (1)

Publication Number Publication Date
IT1036988B true IT1036988B (en) 1979-10-30

Family

ID=23902774

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5004475A IT1036988B (en) 1974-06-13 1975-06-13 IMPELLER DEVICE

Country Status (7)

Country Link
JP (1) JPS5113402A (en)
BR (1) BR7503657A (en)
DE (1) DE2525316A1 (en)
ES (1) ES438542A1 (en)
FR (1) FR2274807A1 (en)
IT (1) IT1036988B (en)
NL (1) NL7507112A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128362A (en) * 1977-04-22 1978-12-05 Dresser Industries, Inc. Flushing and cooling system for pumps
US4131386A (en) * 1977-05-05 1978-12-26 Sundstrand Corporation Sealing system for centrifugal pump
FI87009C (en) * 1990-02-21 1992-11-10 Tampella Forest Oy Paddle wheel for centrifugal pumps
JPH09264293A (en) * 1996-03-29 1997-10-07 Ebara Corp Installing structure for ceramic impeller
DE102011007907B3 (en) * 2011-04-21 2012-06-21 Ksb Aktiengesellschaft Impeller for centrifugal pumps
CN103835988B (en) * 2014-03-11 2016-01-06 门立山 A kind of centrifugal pump impeller
WO2017100291A1 (en) * 2015-12-07 2017-06-15 Fluid Handling Llc Opposed impeller wear ring undercut to offset generated axial thrust in multi-stage pump
RU204897U1 (en) * 2021-02-08 2021-06-17 Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") CENTRIFUGAL IMPELLER WITH DOUBLE ENTRANCE

Also Published As

Publication number Publication date
DE2525316A1 (en) 1975-12-18
NL7507112A (en) 1975-12-16
BR7503657A (en) 1976-06-29
FR2274807A1 (en) 1976-01-09
ES438542A1 (en) 1977-05-16
FR2274807B1 (en) 1979-03-23
JPS5113402A (en) 1976-02-02

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