FR727615A - Improvements to closed electrical machines with two cooling circuits, one internal and the other external - Google Patents

Improvements to closed electrical machines with two cooling circuits, one internal and the other external

Info

Publication number
FR727615A
FR727615A FR727615DA FR727615A FR 727615 A FR727615 A FR 727615A FR 727615D A FR727615D A FR 727615DA FR 727615 A FR727615 A FR 727615A
Authority
FR
France
Prior art keywords
internal
external
electrical machines
cooling circuits
closed electrical
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
Other languages
French (fr)
Inventor
Paul Ehrmann
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
Application granted granted Critical
Publication of FR727615A publication Critical patent/FR727615A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
    • H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR727615D 1931-12-03 1931-12-03 Improvements to closed electrical machines with two cooling circuits, one internal and the other external Expired FR727615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR727615T 1931-12-03

Publications (1)

Publication Number Publication Date
FR727615A true FR727615A (en) 1932-06-21

Family

ID=9111374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727615D Expired FR727615A (en) 1931-12-03 1931-12-03 Improvements to closed electrical machines with two cooling circuits, one internal and the other external

Country Status (1)

Country Link
FR (1) FR727615A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE855135C (en) * 1940-11-08 1952-11-10 Siemens Ag Closed electrical machine with an external cooling air flow
US2644099A (en) * 1946-08-15 1953-06-30 Westinghouse Electric Corp Explosion-resistant motor
US2818515A (en) * 1954-10-12 1957-12-31 Rade Koncar Tvornica Elek Cnih Stators for electrical machines
EP0046315A1 (en) * 1980-08-20 1982-02-24 BBC Aktiengesellschaft Brown, Boveri & Cie. Air-cooled stator for an electric machine
EP0072999A1 (en) * 1981-08-28 1983-03-02 Robert Bosch Gmbh Electrical machine, in particular a three-phase generator with internal cooling ducts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE855135C (en) * 1940-11-08 1952-11-10 Siemens Ag Closed electrical machine with an external cooling air flow
US2644099A (en) * 1946-08-15 1953-06-30 Westinghouse Electric Corp Explosion-resistant motor
US2818515A (en) * 1954-10-12 1957-12-31 Rade Koncar Tvornica Elek Cnih Stators for electrical machines
EP0046315A1 (en) * 1980-08-20 1982-02-24 BBC Aktiengesellschaft Brown, Boveri & Cie. Air-cooled stator for an electric machine
EP0072999A1 (en) * 1981-08-28 1983-03-02 Robert Bosch Gmbh Electrical machine, in particular a three-phase generator with internal cooling ducts

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