Electric motor assembly

Electrical generator or motor structure – Dynamoelectric – Rotary

Patent

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Details

277 80, H02K 500

Patent

active

040741583

ABSTRACT:
An electric motor assembly has a stator assembly provided with a stator winding and an adjacent air gap aperture. A support member is provided at one end of the air gap aperture for positioning a non-rotatable rotor shaft in the air gap aperture. A rotor assembly has a central aperture in which first and second bearing are positioned. Each bearing is seated at one end against a beveled portion at an end of the rotor central aperture. The other end of each bearing is retained and biased against the beveled portion by a retaining spring secured to the rotor assembly. The first and second bearing rotatably engage the rotor shaft and permit the rotor assembly to rotate about the rotor shaft in the air gap aperture.

REFERENCES:
patent: 2904709 (1959-09-01), Lautner
patent: 3319098 (1967-05-01), Hartman
patent: 3387153 (1968-06-01), Grad
patent: 3483409 (1969-12-01), Phillips
patent: 3701912 (1972-10-01), Schulze
patent: 3749954 (1973-07-01), Anderson
patent: 3777191 (1973-12-01), Papst
patent: 3786290 (1974-01-01), Papst
patent: 3914071 (1975-10-01), Friese

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