CH496174A - centrifugal pump - Google Patents

centrifugal pump

Info

Publication number
CH496174A
CH496174A CH60769A CH60769A CH496174A CH 496174 A CH496174 A CH 496174A CH 60769 A CH60769 A CH 60769A CH 60769 A CH60769 A CH 60769A CH 496174 A CH496174 A CH 496174A
Authority
CH
Switzerland
Prior art keywords
centrifugal pump
centrifugal
pump
Prior art date
Application number
CH60769A
Other languages
German (de)
Inventor
B Studebaker James
F Zagar Irvin
T Gobble Lawrence
Original Assignee
Wilfley & Sons Inc A
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 Wilfley & Sons Inc A filed Critical Wilfley & Sons Inc A
Publication of CH496174A publication Critical patent/CH496174A/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
    • F04D29/08—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/929—Seal feature where change in operation or condition induces additional leakage control
CH60769A 1968-08-27 1969-01-16 centrifugal pump CH496174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75558668A 1968-08-27 1968-08-27

Publications (1)

Publication Number Publication Date
CH496174A true CH496174A (en) 1970-09-15

Family

ID=25039771

Family Applications (1)

Application Number Title Priority Date Filing Date
CH60769A CH496174A (en) 1968-08-27 1969-01-16 centrifugal pump

Country Status (8)

Country Link
US (1) US3515497A (en)
BE (1) BE726371A (en)
CH (1) CH496174A (en)
DE (2) DE1905288A1 (en)
FR (1) FR1597246A (en)
GB (1) GB1222598A (en)
NL (1) NL155922B (en)
SE (1) SE350309B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI822245A0 (en) * 1982-06-22 1982-06-22 Outokumpu Oy AXELTAETNING VID EN CENTRIFUGALPUMP OCH FOERFARANDE FOER AOSTADKOMMANDE AV DENSAMMA
US4639198A (en) * 1984-11-13 1987-01-27 Tecumseh Products Company Suction tube seal for a rotary compressor
US4915579A (en) * 1988-08-15 1990-04-10 A. R. Wilfley & Sons, Inc. Pump sealing apparatus
US5261676A (en) * 1991-12-04 1993-11-16 Environamics Corporation Sealing arrangement with pressure responsive diaphragm means
US5494299A (en) * 1994-02-22 1996-02-27 Evironamics Corporation Temperature and pressure resistant rotating seal construction for a pump
US5427500A (en) * 1994-03-15 1995-06-27 The Weir Group Plc Slurry pump seal system
US5499901A (en) * 1994-03-17 1996-03-19 Environamics Corporation Bearing frame clearance seal construction for a pump
US5591020A (en) * 1994-05-19 1997-01-07 Environamics Corporation Pump oil mister
US5513964A (en) * 1994-10-11 1996-05-07 Environamics Corporation Pump oil mister with reduced windage
US5823539A (en) * 1995-04-21 1998-10-20 Environamics Corporation Environmentally safe pump having a bellows seal and a split ring shaft seal
US5553867A (en) * 1995-04-21 1996-09-10 Environamics Corporation Triple cartridge seal having one inboard and two concentric seals for chemical processing pump
US5667356A (en) * 1996-05-06 1997-09-16 A. R. Wilfley & Sons, Inc. Acid/slurry governor seal assembly for centrifugal pumps
US6224322B1 (en) 1998-11-16 2001-05-01 A. R. Wilfley & Sons, Inc. Seal assembly for centrifugal pumps with barrier ring
DE10153293A1 (en) * 2001-10-31 2003-05-15 List Ag Arisdorf Device for treating a substance
GB0908201D0 (en) * 2009-05-13 2009-06-24 Crane John Uk Ltd Seal assemblies
DE102014224283A1 (en) * 2014-11-27 2016-06-02 Robert Bosch Gmbh Compressor with a sealing channel
CN106939896A (en) * 2017-05-04 2017-07-11 项光辉 A kind of digital metering non-return centrifugal pump of high leakproofness

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE652168C (en) * 1935-04-26 1937-10-26 Wilhelm Beck Dipl Ing Centrifugal pump for high inlet pressure
DE719353C (en) * 1940-03-31 1942-04-04 Wilhelm Beck Dipl Ing Shaft gap seal for glandless centrifugal pumps
GB587372A (en) * 1944-11-01 1947-04-23 Joenkoepings Mek Werkstads Akt Improvements in liquid seals for centrifugal pumps
US2581504A (en) * 1949-12-16 1952-01-08 Wilfley & Sons Inc A Centrifugal pump
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
GB1222598A (en) 1971-02-17
US3515497A (en) 1970-06-02
NL6900966A (en) 1970-03-03
SE350309B (en) 1972-10-23
FR1597246A (en) 1970-06-22
NL155922B (en) 1978-02-15
BE726371A (en) 1969-06-30
DE6904086U (en) 1970-12-17
DE1905288A1 (en) 1970-05-27

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Legal Events

Date Code Title Description
PL Patent ceased