Face type commutator with sideways tangs and a method of making

Details Face type commutator with sideways tangs and a method of making Face type commutator with sideways tangs and a method of making

1994-05-24

1996-06-25

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310234, 310235, H02K 1304

Patent

active

055303110

ABSTRACT:
A face type commutator (10) includes a hat shaped member (12) and an insulator hub (14) with an armature axis of rotation (22). The hat shaped member (12) has a plate portion (24) with a brush contact surface (26) in a plane perpendicular to the axis of rotation (22) and a cylindrical portion (16) that extends axially from the brush contact surface and defines a cavity (46). The hub (14) fills the cavity (46) and slots (42) in the cylindrical portion (16). Grooves (70) divide the plate portion (24) into a plurality of collector segments (72). A cylindrical sealing surface (76) is formed on the cylindrical portion (16) and portions of the hub (14) below the grooves (70). Tangs (30) integral with the cylindrical portion (16) below the cylindrical sealing surface (76) each have a radially extending leg portion (32) and a foot portion (34) that extends circumferentially from both sides of the leg portion to hold armature coil wires (40) on the leg portion. The tangs (30) are formed from a cylindrical rim portion (130) that extends radially from the cylindrical portion (16).

REFERENCES:
patent: 3486056 (1969-12-01), Vuillemot
patent: 3735171 (1973-05-01), Van De Griend
patent: 4525957 (1985-07-01), Daniels
patent: 4855632 (1989-08-01), Baines
patent: 5003212 (1991-03-01), Ibe et al.
patent: 5008577 (1991-04-01), Wang
patent: 5189329 (1993-02-01), Strobl

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