Synchronous electrodynamic machine with permanent magnets and co

Details Synchronous electrodynamic machine with permanent magnets and co Synchronous electrodynamic machine with permanent magnets and co

1983-04-21

1985-02-05

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310 87, H02K 900

Patent

active

044980248

ABSTRACT:
This invention has as its object an electrodynamic machine (10) cooled by a liquid contained in a housing (12) in which is mounted a stator (14) whose inner peripheral wall (16) works with the outer peripheral wall (20) of a rotor mounted to turn in the housing (12) to define between them a gap (22) in which said fluid circulates. The machine according to the invention is characterized in that the peripheral walls (16, 20) are cylindrical and wherein their surface in contact with the cooling liquid is continuous and smooth so as to minimize the energy losses due to the laminar flow of the cooling liquid.
Application to the cooling of electrodynamic machines.

REFERENCES:
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patent: 1448700 (1923-03-01), Seidner
patent: 1958043 (1934-05-01), Heintz
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patent: 2282586 (1942-05-01), Hubacker
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patent: 2975309 (1961-03-01), Seidner
patent: 3135888 (1964-06-01), Maynard
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patent: 3502916 (1970-03-01), Staurache
patent: 4327302 (1982-04-01), Hershberger

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