Gas-cooled slip ring for electrical machines

Details Gas-cooled slip ring for electrical machines Gas-cooled slip ring for electrical machines

Filed on

1976-11-17

Date issued

1979-01-30

Examiner

Skudy, R.

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

310232, H02K 928

Type

Patent

Status

active

Patent number

041374746

Description

ABSTRACT:
Gas-cooled slip ring for electrical machines mountable on a slip-ring shaft including a hub fastenable on the slip-ring shaft in insulating relationship thereto, and, a ring flange extending in axial direction from both sides of the hub, the slip ring being formed with a radially outer surface having a multiplicity of mutually adjacent grooves incised therein, and a radially inner surface spaced from the surface of the slip-ring shaft when the hub is fastened thereon and defining therewith a plurality of ring channels serving as coolant gas supply channels, radially inner surface of the ring flange being formed with incised notches shaped as substantially circular segments and extending in radial direction, the incised notches connecting the grooves to the ring channel.

REFERENCES:
patent: 919626 (1909-04-01), Noeggerath
patent: 1010522 (1911-12-01), Roos
patent: 3784855 (1974-01-01), Motegi
patent: 3997803 (1976-12-01), Mishra

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