JPS4829001A - - Google Patents

Info

Publication number
JPS4829001A
JPS4829001A JP47073760A JP7376072A JPS4829001A JP S4829001 A JPS4829001 A JP S4829001A JP 47073760 A JP47073760 A JP 47073760A JP 7376072 A JP7376072 A JP 7376072A JP S4829001 A JPS4829001 A JP S4829001A
Authority
JP
Japan
Prior art keywords
chamber
outlet
housing
impeller
anusiliary
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.)
Pending
Application number
JP47073760A
Other languages
Japanese (ja)
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 JPS4829001A publication Critical patent/JPS4829001A/ja
Pending 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
    • F04D29/128—Shaft sealings using sealing-rings especially adapted for liquid pumps with special means for adducting cooling or sealing 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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A pump for a liquid comprises a housing a first chamber in the housing, an inlet and an outlet for said front chamber a second chamber in the housing sealingly separated from the first chamber, an electric motor in the second chamber, a third chamber between the first and second chambers, an outlet from said third chamber, a main impeller in the first chamber, an anusiliary impeller in the third chamber to urge any fluid leaking from said first and second chamber to the outlet.
JP47073760A 1971-07-23 1972-07-22 Pending JPS4829001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3455171A GB1389222A (en) 1971-07-23 1971-07-23 Pumps for liquids

Publications (1)

Publication Number Publication Date
JPS4829001A true JPS4829001A (en) 1973-04-17

Family

ID=10367032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47073760A Pending JPS4829001A (en) 1971-07-23 1972-07-22

Country Status (5)

Country Link
US (1) US3790312A (en)
JP (1) JPS4829001A (en)
DE (1) DE2236082A1 (en)
FR (1) FR2147632A5 (en)
GB (1) GB1389222A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534646A (en) * 1978-08-30 1980-03-11 Sumitomo Metal Ind Ltd Heating method for furnace body in blowing-in of shaft furnace

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932070A (en) * 1974-02-26 1976-01-13 Ametek, Inc. Electric motor fan unit for wet working air
US3975118A (en) * 1974-06-03 1976-08-17 Addressograph Multigraph Corporation Non-contacting shaft seal
US4526507A (en) * 1982-06-14 1985-07-02 Milton Roy Company Shaft driven pump without seals
US4621981A (en) * 1982-11-01 1986-11-11 Borg-Warner Corporation Pump improvement
GB2135731A (en) * 1983-02-17 1984-09-05 Graziella Freschi Submersible pumps
US5145337A (en) * 1990-08-10 1992-09-08 Wayne/Scott Fetzer Company Sewage pump
US5181841A (en) * 1990-08-10 1993-01-26 Wayne/Scott Fetzer Company Sewage pump
US6249933B1 (en) 1999-08-26 2001-06-26 Shop Vac Corporation Pump having sealless shaft
US6139379A (en) * 1999-09-04 2000-10-31 Jamieson; John R. Jet propelled watercraft and a simplified low cost drive therefor
FR2910079B1 (en) * 2006-12-18 2013-06-07 Airfan APPARATUS FOR DELIVERING GAS, ESPECIALLY RESPIRATORY ASSISTANCE, TO OXYGEN LEAK INTERLEDGE COLLECTION CHAMBER.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470563A (en) * 1944-01-03 1949-05-17 Irving C Jennings Pump
GB1220073A (en) * 1967-05-04 1971-01-20 Plessey Co Ltd Improvements in or relating to electric-motor and rotary pump units
US3513942A (en) * 1967-11-27 1970-05-26 Teikoku Denki Seisakusho Kk Device for lubricating a bearing for use in a canned motor pump and an agitator
US3652186A (en) * 1970-05-25 1972-03-28 Carter Co J C Pressure lubricated, cooled and thrust balanced pump and motor unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534646A (en) * 1978-08-30 1980-03-11 Sumitomo Metal Ind Ltd Heating method for furnace body in blowing-in of shaft furnace

Also Published As

Publication number Publication date
FR2147632A5 (en) 1973-03-09
GB1389222A (en) 1975-04-03
DE2236082A1 (en) 1973-02-01
US3790312A (en) 1974-02-05

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