Electric motor with space-saving low-resistance neutral ring

Details Electric motor with space-saving low-resistance neutral ring Electric motor with space-saving low-resistance neutral ring

2007-04-17

2007-04-17

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S179000

Reexamination Certificate

active

10903035

ABSTRACT:
A compact electric motor has a rotor, and a stator (10) having a slotted lamination stack (16) defining slots separated by teeth, the teeth having tooth heads (153). Partial windings (17) are arranged on the teeth. On at least one axial end of said lamination stack, jumper rings (11, 12, 13) and a neutral ring (14) are arranged. The neutral ring has a plurality of inwardly extending radial projections (141) having free ends (142) adapted for connection to ends (171) of the partial windings (17). Connection of partial windings (17) in parallel provides a favorable power/size ratio and substantial power output, even with low operating voltage.

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Esp@cenet bibliographic data sheet indicating correspondence between OPPITZ documents, May 2003.

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