Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1999-10-22
2000-10-31
Mullins, Burton S.
Electrical generator or motor structure
Dynamoelectric
Rotary
310156, H02K 128, H02K 2122, H02K 127
Patent
active
061407364
ABSTRACT:
An anti-loosening outer rotor device, adapted for use in an outer-rotor type electric motor, includes: a cylinder member having a plurality of recesses radially recessed in an inside wall of the cylinder member; a magnetic conductor annularly secured to the inside wall of the cylinder member to be circumferentially disposed about an inner stator of the motor and having a plurality of protrusions radially protruding outwardly from the magnetic conductor with each protrusion of the magnetic conductor engaged with each recess of the cylinder member for a firm coupling of the magnetic conductor in the cylinder member for preventing loosening of the magnetic conductor from the cylinder member under high-speed and high-torque rotation; and an end plate secured with the cylinder member for outputing kinetic force of the motor directly from the cylinder member, or for outputing the kinetic force from a driving shaft as axially connected to the cylinder member.
REFERENCES:
patent: 3810056 (1974-05-01), Jereb
patent: 4423345 (1983-12-01), Nilsson
patent: 5753991 (1998-05-01), Couture et al.
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