Motor cooling using a liquid cooled rotor

Details Motor cooling using a liquid cooled rotor Motor cooling using a liquid cooled rotor

Filed on

1990-07-09

Date issued

1993-06-29

Examiner

Stephan, Steven L.

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

310 61, 310 64, H02K 906, H02K 919, H02K 922

Type

Patent

Status

active

Patent number

052237575

Description

ABSTRACT:
An dynamoelectric machine is provided having a hollow shaft adapted to receive fluid at one end and to discharge it at the other. The hollow shaft has a stack of laminations mounted thereon. A hollow disk is situated adjacent to and in contact with an axial end of the stack of laminations. The hollow disk includes a generally circular baffle for dividing the hollow disk into two interior sections and to cause the fluid to rotate at the same angular velocity as the hollow disk. The two interior sections are in flow communication with one another of the periphery at the generally circular baffle. The hollow shaft is in flow communication with one of the sections for providing fluid and in flow communication with the other section for removing fluid. A stator surrounds the laminations and is spaced away therefrom.

REFERENCES:
patent: 2706260 (1955-04-01), Heintz
patent: 2894155 (1959-07-01), Labastie
patent: 3043968 (1962-07-01), Ward
patent: 3088042 (1963-04-01), Robinson
patent: 3260872 (1966-07-01), Potter
patent: 3621908 (1971-11-01), Pravda
patent: 3629628 (1971-12-01), Rank
patent: 3648085 (1972-03-01), Fujii
patent: 3765480 (1973-10-01), Fries
patent: 4203044 (1980-05-01), Linscott, Jr.
patent: 4405876 (1983-09-01), Iversen
patent: 4622687 (1986-11-01), Whitaker et al.
patent: 4625324 (1986-11-01), Blaskis et al.
patent: 4943746 (1990-07-01), Scherzinger et al.
patent: 4945562 (1990-07-01), Staub

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