NL165816C - SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT. - Google Patents

SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT.

Info

Publication number
NL165816C
NL165816C NL7105534.A NL7105534A NL165816C NL 165816 C NL165816 C NL 165816C NL 7105534 A NL7105534 A NL 7105534A NL 165816 C NL165816 C NL 165816C
Authority
NL
Netherlands
Prior art keywords
pump unit
centrifugal pump
sealing system
stage centrifugal
stage
Prior art date
Application number
NL7105534.A
Other languages
Dutch (nl)
Other versions
NL165816B (en
NL7105534A (en
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
Application filed by Sundstrand Corp filed Critical Sundstrand Corp
Publication of NL7105534A publication Critical patent/NL7105534A/xx
Publication of NL165816B publication Critical patent/NL165816B/en
Application granted granted Critical
Publication of NL165816C publication Critical patent/NL165816C/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
    • 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
    • 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
    • F04D1/04—Helico-centrifugal 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
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NL7105534.A 1970-04-23 1971-04-23 SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT. NL165816C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3119770A 1970-04-23 1970-04-23

Publications (3)

Publication Number Publication Date
NL7105534A NL7105534A (en) 1971-10-26
NL165816B NL165816B (en) 1980-12-15
NL165816C true NL165816C (en) 1981-05-15

Family

ID=21858130

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7105534.A NL165816C (en) 1970-04-23 1971-04-23 SEALING SYSTEM FOR A TWO-STAGE CENTRIFUGAL PUMP UNIT.

Country Status (6)

Country Link
US (1) US3639073A (en)
JP (1) JPS525081B1 (en)
DE (1) DE2117766C3 (en)
FR (1) FR2090588A5 (en)
GB (1) GB1349903A (en)
NL (1) NL165816C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269566A (en) * 1978-09-13 1981-05-26 Spruiell Walter L Centrifugal pump for abrasive liquids
US4538959A (en) * 1982-11-01 1985-09-03 International Telephone & Telegraph Corp. Clean-in-place pump
US4648794A (en) * 1985-05-03 1987-03-10 Joy Manufacturing Company Pump with high speed expeller
US5253986A (en) * 1992-05-12 1993-10-19 Milton Roy Company Impeller-type pump system
US5503521A (en) * 1994-07-14 1996-04-02 Tetra Laval Holdings & Finance S.A. Centrifugal pump
US20100163215A1 (en) * 2008-12-30 2010-07-01 Caterpillar Inc. Dual volute electric pump, cooling system and pump assembly method
US9080572B2 (en) * 2011-12-22 2015-07-14 William E. Murray Centrifugal pump with secondary impeller and dual outlets
RU175164U1 (en) * 2015-12-30 2017-11-24 Федеральное государственное унитарное предприятие "Научно-производственный центр автоматики и приборостроения имени академика Н.А. Пилюгина" (ФГУП "НПЦАП") VERTICAL SCREW CENTRIFUGAL PUMP

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1048478B (en) * 1959-01-08
US790683A (en) * 1904-06-09 1905-05-23 Elmo G Harris Centrifugal pump.
US1123364A (en) * 1912-03-08 1915-01-05 Laval Steam Turbine Co Pressure-engine.
DE652168C (en) * 1935-04-26 1937-10-26 Wilhelm Beck Dipl Ing Centrifugal pump for high inlet pressure
US2663262A (en) * 1942-12-16 1953-12-22 Jonkopings Mek Werkstads Aktie Centrifugal pump with sealing device
US2781209A (en) * 1954-05-03 1957-02-12 Allis Chalmers Mfg Co Dynamic seal for a centrifugal pump
DE1122374B (en) * 1956-10-26 1962-01-18 Paul Bungartz Sealing for the shaft of a centrifugal pump by means of a stuffing box, auxiliary conveyor wheel, barrier gas and barrier fluid
US3213798A (en) * 1964-03-16 1965-10-26 Ingersoll Rand Co Sealing and cooling device for a pump shaft
US3410565A (en) * 1966-07-27 1968-11-12 Worthington Corp Centrifugal and face contact seal

Also Published As

Publication number Publication date
DE2117766C3 (en) 1978-11-30
US3639073A (en) 1972-02-01
JPS525081B1 (en) 1977-02-09
NL165816B (en) 1980-12-15
GB1349903A (en) 1974-04-10
DE2117766B2 (en) 1978-03-30
DE2117766A1 (en) 1972-01-27
FR2090588A5 (en) 1972-01-14
NL7105534A (en) 1971-10-26

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent