FR2038536A5 - - Google Patents

Info

Publication number
FR2038536A5
FR2038536A5 FR6907764A FR6907764A FR2038536A5 FR 2038536 A5 FR2038536 A5 FR 2038536A5 FR 6907764 A FR6907764 A FR 6907764A FR 6907764 A FR6907764 A FR 6907764A FR 2038536 A5 FR2038536 A5 FR 2038536A5
Authority
FR
France
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
FR6907764A
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.)
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
Application filed by Individual filed Critical Individual
Priority to FR6907764A priority Critical patent/FR2038536A5/fr
Application granted granted Critical
Publication of FR2038536A5 publication Critical patent/FR2038536A5/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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/064—Details of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/164—Multi-stage fans, e.g. for vacuum cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0646—Details of the stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
FR6907764A 1969-03-20 1969-03-20 Expired FR2038536A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6907764A FR2038536A5 (en) 1969-03-20 1969-03-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6907764A FR2038536A5 (en) 1969-03-20 1969-03-20

Publications (1)

Publication Number Publication Date
FR2038536A5 true FR2038536A5 (en) 1971-01-08

Family

ID=9030826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907764A Expired FR2038536A5 (en) 1969-03-20 1969-03-20

Country Status (1)

Country Link
FR (1) FR2038536A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398156A2 (en) * 1989-05-18 1990-11-22 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
DE4220015A1 (en) * 1992-06-19 1993-12-23 Leybold Ag Gas friction vacuum pump with high vacuum section and pre-vacuum section - has cooling system for high vacuum section and pump is equipped with heater at its pre-vacuum section

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398156A2 (en) * 1989-05-18 1990-11-22 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
EP0398156A3 (en) * 1989-05-18 1991-07-31 Spectrospin AG Method and device for precooling the helium vessel of a cryostat
US5187938A (en) * 1989-05-18 1993-02-23 Spectrospin Ag Method and a device for precooling the helium tank of a cryostat
DE4220015A1 (en) * 1992-06-19 1993-12-23 Leybold Ag Gas friction vacuum pump with high vacuum section and pre-vacuum section - has cooling system for high vacuum section and pump is equipped with heater at its pre-vacuum section

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Legal Events

Date Code Title Description
ST Notification of lapse