FR2147632A5 - - Google Patents

Info

Publication number
FR2147632A5
FR2147632A5 FR7226535A FR7226535A FR2147632A5 FR 2147632 A5 FR2147632 A5 FR 2147632A5 FR 7226535 A FR7226535 A FR 7226535A FR 7226535 A FR7226535 A FR 7226535A FR 2147632 A5 FR2147632 A5 FR 2147632A5
Authority
FR
France
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.)
Expired
Application number
FR7226535A
Other languages
French (fr)
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of FR2147632A5 publication Critical patent/FR2147632A5/fr
Expired 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

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.
FR7226535A 1971-07-23 1972-07-24 Expired FR2147632A5 (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
FR2147632A5 true FR2147632A5 (en) 1973-03-09

Family

ID=10367032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226535A Expired FR2147632A5 (en) 1971-07-23 1972-07-24

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)

Families Citing this family (11)

* 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
JPS5534646A (en) * 1978-08-30 1980-03-11 Sumitomo Metal Ind Ltd Heating method for furnace body in blowing-in of shaft furnace
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
US5181841A (en) * 1990-08-10 1993-01-26 Wayne/Scott Fetzer Company Sewage pump
US5145337A (en) * 1990-08-10 1992-09-08 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

Also Published As

Publication number Publication date
GB1389222A (en) 1975-04-03
DE2236082A1 (en) 1973-02-01
JPS4829001A (en) 1973-04-17
US3790312A (en) 1974-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse