BE707440A - - Google Patents

Info

Publication number
BE707440A
BE707440A BE707440DA BE707440A BE 707440 A BE707440 A BE 707440A BE 707440D A BE707440D A BE 707440DA BE 707440 A BE707440 A BE 707440A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE707440A publication Critical patent/BE707440A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking 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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/14—Shaft sealings operative only when pump is inoperative
    • F04D29/146—Shaft sealings operative only when pump is inoperative especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BE707440D 1967-05-17 1967-12-01 BE707440A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US639078A US3402671A (en) 1967-05-17 1967-05-17 Centrifugal pump and sealing means therefor

Publications (1)

Publication Number Publication Date
BE707440A true BE707440A (it) 1968-06-04

Family

ID=24562642

Family Applications (1)

Application Number Title Priority Date Filing Date
BE707440D BE707440A (it) 1967-05-17 1967-12-01

Country Status (7)

Country Link
US (1) US3402671A (it)
BE (1) BE707440A (it)
CH (1) CH471973A (it)
DE (1) DE1653788A1 (it)
DK (1) DK140466B (it)
GB (1) GB1155920A (it)
NL (1) NL6715524A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652180A (en) * 1970-07-13 1972-03-28 Wilfley & Sons Inc A Centrifugal pump and seal means therefore
US3680976A (en) * 1970-12-14 1972-08-01 Ingersoll Rand Co Centrifugal pump having leakage collection and draining means
US3881840A (en) * 1973-09-05 1975-05-06 Neratoom Centrifugal pump for processing liquids containing abrasive constituents, more particularly, a sand pump or a waste-water pumper
US3927889A (en) * 1973-09-18 1975-12-23 Westinghouse Electric Corp Rotating element fluid seal for centrifugal compressor
US4388040A (en) * 1979-12-14 1983-06-14 Nippon Piston Ring Co., Ltd. Rotary fluid pump
DE3116762C2 (de) * 1981-04-28 1983-02-03 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Fluidgesperrte Wellendichtung mit reduzierter Gleitgeschwindigkeit
US4556364A (en) * 1981-07-23 1985-12-03 D. Wickham And Company Limited Centrifugal pumps
US4714405A (en) * 1983-06-08 1987-12-22 Sundstrand Corporation Centrifugal pump
CA1233365A (en) * 1983-06-08 1988-03-01 John G. Schaeffer Centrifugal pump
US4613281A (en) * 1984-03-08 1986-09-23 Goulds Pumps, Incorporated Hydrodynamic seal
GB2187231B (en) * 1986-02-28 1989-04-26 Godiva Fire Pumps Ltd Pump arrangements
US5261786A (en) * 1991-03-05 1993-11-16 A. R. Wilfley & Sons, Inc. Actuator mechanism for pump sealing apparatus
US5173019A (en) * 1991-08-05 1992-12-22 American Gage And Machine Company Pump including secondary containment with alarm system
US5427500A (en) * 1994-03-15 1995-06-27 The Weir Group Plc Slurry pump seal system
US6056506A (en) * 1998-09-23 2000-05-02 Emerson Electric Co. Pump assembly for jetted tub
US6247892B1 (en) * 1999-07-26 2001-06-19 Impsa International Inc. Continuous flow rotary pump
US6789804B2 (en) * 2001-07-23 2004-09-14 Kaydon Corporation Dry gas shutdown seal
DE10153293A1 (de) * 2001-10-31 2003-05-15 List Ag Arisdorf Vorrichtung zur Behandlung eines Stoffes
US9359912B2 (en) * 2011-01-10 2016-06-07 United Technologies Corporation Runner for circumferential seals
US11333074B2 (en) * 2016-07-29 2022-05-17 Aerojet Rocketdyne, Inc. Liquid propellant rocket engine turbopump drain
KR101893847B1 (ko) * 2016-11-11 2018-08-31 명화공업주식회사 워터펌프
US10161411B1 (en) * 2017-10-20 2018-12-25 Halliburton Energy Services, Inc. Centrifugal pump sealing surfaces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1556657A (en) * 1924-06-09 1925-10-13 Arthur R Wilfley Centrifugal pump
US2092351A (en) * 1932-06-27 1937-09-07 Wilfley & Sons Inc A Centrifugal pump
US1976532A (en) * 1934-01-09 1934-10-09 Wilfley & Sons Inc A Sealing means for centrifugal pumps
US2571802A (en) * 1948-04-09 1951-10-16 Wilfley & Sons Inc A Centrifugal pump
US2620207A (en) * 1949-07-19 1952-12-02 Wilfley & Sons Inc A Glandless seal for centrifugal pumps
US2660487A (en) * 1951-05-31 1953-11-24 A R Wilfiey And Sons Inc Centrifugal pump bearing seal

Also Published As

Publication number Publication date
DK140466C (it) 1980-01-28
US3402671A (en) 1968-09-24
DK140466B (da) 1979-09-03
GB1155920A (en) 1969-06-25
CH471973A (de) 1969-04-30
NL6715524A (it) 1968-11-18
DE1653788A1 (de) 1972-07-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: A.R. WILFEY AND SONS INC.

Effective date: 19841201