Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1980-04-03
1982-05-25
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 51, 310271, H02K 524
Patent
active
043318975
ABSTRACT:
A commutator apparatus for rotary electric machines comprises a plurality of commutator segments mounted side by side on a rotary shaft through an insulating ring along the periphery thereof, an armature winding wound on a rotor core and including a plurality of coil ends projected axially from the rotor core, and a plurality of risers made of a conductor, one end of each thereof being connected to one axial end of the corresponding commutator segments, the other end of the riser being securely connected to one end of the corresponding armature coil. Each pair of adjacent risers are bound by an insulating binder to reduce the space therebetween, thus forming a substantially delta-shaped space defined by the adjacent risers on each side of said binder. The vibrations of the risers are thus absorbed and the vibratory stress of the risers is reduced, thus improving the mechanical strength and reliability of the commutator apparatus.
REFERENCES:
patent: 1357016 (1920-10-01), Zimmerman
patent: 3274413 (1966-09-01), Adriance
patent: 3824416 (1974-07-01), Van De Griend
Hattori Toshio
Kawai Sueo
Nitobe Mitsuhiro
Saruwatari Shinzi
Sonobe Tadashi
Hitachi , Ltd.
Skudy R.
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