IT1399701B1 - MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES - Google Patents

MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES

Info

Publication number
IT1399701B1
IT1399701B1 ITTO2010A000347A ITTO20100347A IT1399701B1 IT 1399701 B1 IT1399701 B1 IT 1399701B1 IT TO2010A000347 A ITTO2010A000347 A IT TO2010A000347A IT TO20100347 A ITTO20100347 A IT TO20100347A IT 1399701 B1 IT1399701 B1 IT 1399701B1
Authority
IT
Italy
Prior art keywords
pumping
multistage
group
liquid gases
pumping liquid
Prior art date
Application number
ITTO2010A000347A
Other languages
Italian (it)
Inventor
Senta Teobaldo Quaglia
Original Assignee
Barbero S R L E
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 Barbero S R L E filed Critical Barbero S R L E
Priority to ITTO2010A000347A priority Critical patent/IT1399701B1/en
Publication of ITTO20100347A1 publication Critical patent/ITTO20100347A1/en
Application granted granted Critical
Publication of IT1399701B1 publication Critical patent/IT1399701B1/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
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together
    • 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
    • F04D29/049—Roller 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
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • F04D29/128—Shaft sealings using sealing-rings especially adapted for liquid pumps with special means for adducting cooling or sealing fluid
    • 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
    • F04D29/185—Rotors consisting of a plurality of wheels
    • 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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
ITTO2010A000347A 2010-04-26 2010-04-26 MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES IT1399701B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITTO2010A000347A IT1399701B1 (en) 2010-04-26 2010-04-26 MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A000347A IT1399701B1 (en) 2010-04-26 2010-04-26 MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES

Publications (2)

Publication Number Publication Date
ITTO20100347A1 ITTO20100347A1 (en) 2011-10-27
IT1399701B1 true IT1399701B1 (en) 2013-04-26

Family

ID=43218472

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2010A000347A IT1399701B1 (en) 2010-04-26 2010-04-26 MULTISTAGE PUMPING GROUP, PARTICULARLY FOR PUMPING LIQUID GASES

Country Status (1)

Country Link
IT (1) IT1399701B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2021366725A1 (en) 2020-10-23 2023-06-01 Cornell Pump Company LLC Monitoring system for pump with mechanical seal lubrication arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1218023A (en) * 1967-07-07 1971-01-06 Weir Pumps Ltd Formerly G & J Improvements in or relating to rotodynamic pumps
US4097186A (en) * 1976-11-18 1978-06-27 Worthington Pump, Inc. Multi-stage ring type centrifugal pumps with inducer means
US5769427A (en) * 1995-09-13 1998-06-23 Chesterton International Company Dual seal with clean barrier fluid and dynamic pressure control
GB0501081D0 (en) * 2005-01-19 2005-02-23 Aes Eng Ltd Environmentally friendly seal venturi emission control system
RU2327902C1 (en) * 2006-11-07 2008-06-27 Общество с ограниченной ответственностью Научно-производственное объединение "Новотехника" Centrifugal screw pump

Also Published As

Publication number Publication date
ITTO20100347A1 (en) 2011-10-27

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