GB2390398B - Improvements in pumps - Google Patents

Improvements in pumps

Info

Publication number
GB2390398B
GB2390398B GB0324293A GB0324293A GB2390398B GB 2390398 B GB2390398 B GB 2390398B GB 0324293 A GB0324293 A GB 0324293A GB 0324293 A GB0324293 A GB 0324293A GB 2390398 B GB2390398 B GB 2390398B
Authority
GB
United Kingdom
Prior art keywords
pumps
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
GB0324293A
Other versions
GB2390398A (en
GB0324293D0 (en
Inventor
Stephen Walker Tebby
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.)
Concentric Pumps Ltd
Original Assignee
Concentric Pumps Ltd
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 GBGB9907372.8A external-priority patent/GB9907372D0/en
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Publication of GB0324293D0 publication Critical patent/GB0324293D0/en
Publication of GB2390398A publication Critical patent/GB2390398A/en
Application granted granted Critical
Publication of GB2390398B publication Critical patent/GB2390398B/en
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
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
GB0324293A 1999-03-30 2000-03-28 Improvements in pumps Expired - Fee Related GB2390398B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9907372.8A GB9907372D0 (en) 1999-03-30 1999-03-30 Improvements in pumps
GB0007340A GB2348927B (en) 1999-03-30 2000-03-28 Improvements in pumps

Publications (3)

Publication Number Publication Date
GB0324293D0 GB0324293D0 (en) 2003-11-19
GB2390398A GB2390398A (en) 2004-01-07
GB2390398B true GB2390398B (en) 2004-02-25

Family

ID=29720864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0324293A Expired - Fee Related GB2390398B (en) 1999-03-30 2000-03-28 Improvements in pumps

Country Status (1)

Country Link
GB (1) GB2390398B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7388178B2 (en) * 2019-12-23 2023-11-29 株式会社アイシン water pump
CN111720331B (en) * 2020-05-22 2022-08-09 洛阳瑞华新能源技术发展有限公司 Single-stage centrifugal pump with liquid collecting and draining flow channel and flow dividing partition plate having at least 2 liquid draining ports

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777395A (en) * 1952-03-12 1957-01-15 Union Steam Pump Company Pump and packing thereof
US3340813A (en) * 1965-06-11 1967-09-12 Itt Centrifugal pumps
GB1257101A (en) * 1968-03-26 1971-12-15
JPS61181621A (en) * 1985-02-06 1986-08-14 Matsushita Refrig Co Apparatus for adjusting temperature of mold
US4773823A (en) * 1984-11-13 1988-09-27 Tolo, Inc. Centrifugal pump having improvements in seal life
EP0386315A1 (en) * 1989-03-07 1990-09-12 Feodor Burgmann Dichtungswerke GmbH & Co. Sealing device and pump provided therewith
EP0484582A1 (en) * 1989-05-03 1992-05-13 SIHI GmbH & Co KG Centrifugal pump for pumping hot fluids
US5718436A (en) * 1996-07-30 1998-02-17 Dunford; Joseph R. Flow controller for mechanical seal protection
GB2320742A (en) * 1995-10-06 1998-07-01 Robert B Ray Aeration system
US5827041A (en) * 1996-03-25 1998-10-27 Charhut; Frank J. Pump and seal arrangement to prevent leakage due to fluid boiling and cavitation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777395A (en) * 1952-03-12 1957-01-15 Union Steam Pump Company Pump and packing thereof
US3340813A (en) * 1965-06-11 1967-09-12 Itt Centrifugal pumps
GB1257101A (en) * 1968-03-26 1971-12-15
US4773823A (en) * 1984-11-13 1988-09-27 Tolo, Inc. Centrifugal pump having improvements in seal life
JPS61181621A (en) * 1985-02-06 1986-08-14 Matsushita Refrig Co Apparatus for adjusting temperature of mold
EP0386315A1 (en) * 1989-03-07 1990-09-12 Feodor Burgmann Dichtungswerke GmbH & Co. Sealing device and pump provided therewith
EP0484582A1 (en) * 1989-05-03 1992-05-13 SIHI GmbH & Co KG Centrifugal pump for pumping hot fluids
GB2320742A (en) * 1995-10-06 1998-07-01 Robert B Ray Aeration system
US5827041A (en) * 1996-03-25 1998-10-27 Charhut; Frank J. Pump and seal arrangement to prevent leakage due to fluid boiling and cavitation
US5718436A (en) * 1996-07-30 1998-02-17 Dunford; Joseph R. Flow controller for mechanical seal protection

Also Published As

Publication number Publication date
GB2390398A (en) 2004-01-07
GB0324293D0 (en) 2003-11-19

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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: 20170328