Automotive alternator slip ring assembly

Details Automotive alternator slip ring assembly Automotive alternator slip ring assembly

1992-11-23

1994-07-05

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 43, 310 71, 310261, H02K 1302

Patent

active

053270371

ABSTRACT:
A slip ring assembly (36) adapted to mount on a rotor shaft (38) and to sealingly mount between respective seal surfaces (136,70) on a mold (134) and on a pole piece (24) during molding of a molded rotor assembly (20) is disclosed. The slip ring assembly (36) has a hub (94) supporting a pair of slip rings (102,104), a pair of terminals (96,98) and a mold shutoff ring (100) connected to the terminals (96,98). Seal surfaces (118,120) on the mold shutoff ring are adapted to sealingly mate with the respective seal surfaces on the pole piece (24) and on the mold (134) and to withstand large compressive loads being applied across the mold shutoff ring (100). The mold shutoff ring (100) prevents molten mold material from passing from the mold (134) to the slip rings (102,104) during molding of the molded rotor assembly (20).

REFERENCES:
patent: 3785049 (1974-01-01), Kanamaru et al.
patent: 4406961 (1983-09-01), Pfluger et al.
patent: 4419597 (1983-12-01), Shiga et al.
patent: 4492885 (1985-01-01), Kitamura et al.
patent: 4565936 (1986-01-01), Ikegami et al.
patent: 4618793 (1986-10-01), Shizuka et al.
patent: 4645962 (1987-02-01), Freeman

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