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GB2304159B - Seal/bearing assembly - Google Patents

Seal/bearing assembly

Info

Publication number
GB2304159B
GB2304159B GB9626495A GB9626495A GB2304159B GB 2304159 B GB2304159 B GB 2304159B GB 9626495 A GB9626495 A GB 9626495A GB 9626495 A GB9626495 A GB 9626495A GB 2304159 B GB2304159 B GB 2304159B
Authority
GB
United Kingdom
Prior art keywords
seal
bearing assembly
bearing
assembly
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9626495A
Other versions
GB2304159A (en
GB9626495D0 (en
Inventor
Thomas Wilson Ramsay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 CA002126262A external-priority patent/CA2126262A1/en
Priority claimed from GB9423260A external-priority patent/GB9423260D0/en
Priority claimed from GBGB9425594.0A external-priority patent/GB9425594D0/en
Priority claimed from GBGB9506195.8A external-priority patent/GB9506195D0/en
Priority to GB9626495A priority Critical patent/GB2304159B/en
Application filed by Individual filed Critical Individual
Priority claimed from PCT/CA1995/000362 external-priority patent/WO1995035457A1/en
Publication of GB9626495D0 publication Critical patent/GB9626495D0/en
Publication of GB2304159A publication Critical patent/GB2304159A/en
Publication of GB2304159B publication Critical patent/GB2304159B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB9626495A 1994-06-20 1995-06-19 Seal/bearing assembly Expired - Fee Related GB2304159B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9626495A GB2304159B (en) 1994-06-20 1995-06-19 Seal/bearing assembly

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
CA002126262A CA2126262A1 (en) 1994-06-20 1994-06-20 Shaft mounted and impeller mounted pumping sleeve and bushing
GB9423260A GB9423260D0 (en) 1994-11-16 1994-11-16 Shaft-mounted and impeller-mounted pumping sleeve and bushing
GBGB9425594.0A GB9425594D0 (en) 1994-12-19 1994-12-19 Shaft-mounted and impeller-mounted pumping sleeve and bushing
GBGB9506195.8A GB9506195D0 (en) 1995-03-27 1995-03-27 Shaft-mounted and impeller mounted pumping sleeve and bushing
GB9626495A GB2304159B (en) 1994-06-20 1995-06-19 Seal/bearing assembly
PCT/CA1995/000362 WO1995035457A1 (en) 1994-06-20 1995-06-19 Seal/bearing assembly
US08/770,044 US5827042A (en) 1994-06-20 1996-12-19 Seal/bearing assembly

Publications (3)

Publication Number Publication Date
GB9626495D0 GB9626495D0 (en) 1997-02-05
GB2304159A GB2304159A (en) 1997-03-12
GB2304159B true GB2304159B (en) 1998-06-10

Family

ID=27543475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9626495A Expired - Fee Related GB2304159B (en) 1994-06-20 1995-06-19 Seal/bearing assembly

Country Status (1)

Country Link
GB (1) GB2304159B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1348765A (en) * 1963-02-12 1964-01-10 Asahi Chemical Ind Sealing device for shafts intended for the treatment of extremely viscous liquids
US3558238A (en) * 1967-10-06 1971-01-26 Koninkl Nl Maschf Voorheen E H Centrifugal pumps
DE3541816A1 (en) * 1985-11-27 1987-06-04 Flender A F & Co Rotary seal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1348765A (en) * 1963-02-12 1964-01-10 Asahi Chemical Ind Sealing device for shafts intended for the treatment of extremely viscous liquids
US3558238A (en) * 1967-10-06 1971-01-26 Koninkl Nl Maschf Voorheen E H Centrifugal pumps
DE3541816A1 (en) * 1985-11-27 1987-06-04 Flender A F & Co Rotary seal

Also Published As

Publication number Publication date
GB2304159A (en) 1997-03-12
GB9626495D0 (en) 1997-02-05

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100619