Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-09-06
2005-09-06
Mullins, Burton (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S154050, C310S198000, C310S261100
Reexamination Certificate
active
06940206
ABSTRACT:
To realize a small-sized coreless motor featuring excellence in responsiveness and controllability, capability of obtaining greater rotating torque compared with driving power supplied to the coil, great intensity, ease in assembly and high energy efficiency, a coreless motor of the present invention comprising; each of coils8, 8comprises a flat portion, which consists of a winding unit that confronts the upper and lower faces of a ring-shaped magnet5and whose plane part forms an arc shape, and a curved-and-folded portion, which consists of a winding unit that confronts the external circumstance side face of the magnet, with the section from one end of the lead wire constituting these winding units to the other end being arranged to compose a continuous, hollow unit; wherein the flat portion in the lower part of these coils8, 8is fitted to thin-sheet-shaped flange9abelow coil holder9, which is installed around the rotating axis4, so that multiple coils are arranged along the external circumference direction of the magnet, and to the flat portions on the upper side of the coils8, 8, thin/round annulus upper-side reinforcing plates15are attached.
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Gopstein Israel
Kabushiki Kaisha Asaba
Mullins Burton
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