Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1995-04-06
1998-11-10
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310180, 310260, 310207, H02K 122
Patent
active
058348751
ABSTRACT:
Known conductor lanes which can be set into the grooves of linear motors or disk armatures, do not sufficiently occupy the space available in the grooves and winding overhang in multiphase machines, and thus increase the volume and weight of the machines. For high power and force densities, the conductor lanes should allow the available space to be fully occupied. The number of the different conductor lane designs should be minimized in order to reduce production costs. According to the invention, the conductor lanes (13-16) which are prefabricated in a single piece are being led past each other in the overlapping zones in the direction of the groove depth, so that the conductor cross-section is variably adapted to the available space. By using pairs of conductor lanes (13, 14) without loops and mutually offset by one pole pitch in a groove, a high utilization of the space available in the winding overhangs and short conductor lengths are achieved. Symmetrical winding overhangs allow the conductor lanes to be easily mounted and removed at any time in direction of the depth of the groove. The number of different conductor lane designs is limited to twice the phase number thanks to the use of mirror symmetries. This winding is suitable for motors and generators in which a reduced overall height and a high power density are of advantage.
REFERENCES:
patent: 2469808 (1949-05-01), Aske
patent: 4319152 (1982-03-01), Van Gils
patent: 4398112 (1983-08-01), Van Gils
patent: 4451749 (1984-05-01), Kanayama et al.
patent: 4543503 (1985-09-01), Kaminski et al.
patent: 5028830 (1991-07-01), Mas
patent: 5616977 (1997-04-01), Hill
Link Jonathan D.
Stephan Steven L.
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