Rotating electrical machine and drive system of cage...

Details Rotating electrical machine and drive system of cage... Rotating electrical machine and drive system of cage...

2005-04-19

2005-04-19

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

06882078

ABSTRACT:
A rotor conductor upper portion positioned near to an outer periphery of a rotor has a trapezoidal, cross sectional shape, a rotor conductor lower portion positioned nearer to a center of the rotor than the rotor conductor upper portion has a rectangular, cross sectional shape, and the rotor conductor upper portion has a height h1=27 mm or more in the case where rotor conductors are made of brass, and a height h1=7 mm or more in the case where the rotor conductors are made of copper.

REFERENCES:
patent: 3688141 (1972-08-01), Maslennikov et al.
patent: 4139790 (1979-02-01), Steen
patent: 4785213 (1988-11-01), Satake
patent: 7-231630 (1995-08-01), None
“Transformer/Induction Machine/AC Commutator Motor” Institute of Electrical Engineers, 6TH Edition, Nov. 21, 1983, pp. 311-315.

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