Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1987-08-18
1989-06-20
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
415115, 415175, F01D 518
Patent
active
048405388
ABSTRACT:
A device for cooling the salient-type rotor of electrical machines in which interpolar bodies are placed between and parallel to the salient poles of a rotor creating narrow channels between the salient poles and the interpolar bodies, to effectively cool the salient poles by the cooling air blowing radially through the channels between the interpolar body and the salient poles, and the interpolar bodies having circumferentially extending top surface close to the internal surface of stator creating a circumferential channel between the interpolar body and the internal surface of stator, bridging the gap between the salient poles to reduce turbulences and energy losses created by the rotation of the rotor.
REFERENCES:
patent: 2650803 (1953-09-01), Rosskopf
patent: 3433015 (1969-03-01), Sneeden
patent: 4321007 (1982-03-01), Dennison et al.
Garrett Robert E.
Kwon John T.
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