Electric motor housing with interior shield against liquids

Details Electric motor housing with interior shield against liquids Electric motor housing with interior shield against liquids

1974-09-12

1976-06-22

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310157, 279 3, H02K 510

Patent

active

039653811

ABSTRACT:
A construction for an electric motor, which motor is adapted to be installed and operated in a generally vertical mode. The rotor shaft of the motor extends upward through the top wall (or cap) of the stator housing. With this vertical orientation, however, there exists the possibility of unwanted liquids flowing downward alongside the rotor shaft into the housing where they could cause damage to the motor windings, etc. To protect sensitive interior parts of the motor, an annular trough is interiorly provided for capturing such liquids as may enter the housing by flowing downward along the rotor shaft. A shield or skirt is sealingly attached to the rotor shaft within the housing at a position where the shield extends radially outward over the trough. Drainage passages connect the trough to the exterior of the housing, such that unwanted liquids will be initially captured and then drained from the housing before they can reach an interior location where they could cause damage.

REFERENCES:
patent: 2381834 (1945-08-01), Meredew
patent: 2450137 (1948-09-01), Harlamoff
patent: 2598547 (1952-05-01), Ivanoff
patent: 2911918 (1959-11-01), Reed
patent: 2913988 (1959-11-01), White
patent: 3203353 (1965-08-01), Ruby
patent: 3441762 (1969-04-01), Luenberger
patent: 3730134 (1973-05-01), Kadi

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