Armature and method for manufacturing same

Details Armature and method for manufacturing same Armature and method for manufacturing same

1998-06-16

2000-05-16

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 45, 310261, 310271, 310 91, H02K 346, H02K 900, H02K 512

Patent

active

060641363

ABSTRACT:
An armature in which a commutator and a lead-out section are firmly joined and satisfactory insulation is secured between an armature core and an armature coil. An armature (11) is equipped with: a shaft (2); an armature core (3) secured to the shaft (2); an armature coil (4) composed of conductors (4b) wound in slots (3a) formed in the armature core (3); a commutator (5) secured to the shaft (2); a belt-shaped member (13) which is provided to surround a lead-out section (4a) and which fastens a welded portion (A) where segments (8) of the commutator (5) and the lead-out section (4a) are ultrasonically welded; and a molded portion (12) which covers the outer peripheral surface of the armature core (3) and the outer peripheral surface of the lead-out section (4a).

REFERENCES:
patent: 2565139 (1951-04-01), Lessmann
patent: 2593105 (1952-04-01), Compton, Jr.
patent: 3047756 (1962-07-01), Coggeshall
patent: 3509621 (1970-05-01), Honsinger et al.
patent: 3749950 (1973-07-01), Lenz
patent: 5086247 (1992-02-01), Morishita et al.
patent: 5473213 (1995-12-01), Kahle, Sr.
patent: 5731651 (1998-03-01), Hyodo
patent: 5845389 (1998-12-01), Roberts et al.

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