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US Patent: 1,300,243
Dynamo-electric machine
Patentee:
Aubrey L. Broomall (exact or similar names) - Wilkinsburg, PA

USPTO Classifications:
310/56, 310/64

Tool Categories:
electrical devices : electric motors : motor cooling

Assignees:
Westinghouse Electric & Mfg. Co. - East Pittsburgh, PA

Manufacturer:
Westinghouse Electric & Mfg. Co. - East Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 03, 1916
Granted: Apr. 15, 1919

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Westinghouse Electric & Mfg. Co.
Description:
"...it has been found that, when the motor was operated in an exposed position, such as on an electric motor-driven vehicle, both dirt and moisture entered the machine through the ventilating openings, and came into contact with the current-carrying parts. By my invention, I provide a cover for ventilating openings so constructed that the air passing therethrough is deflected away from the current-carrying parts."

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