Molded rotor assembly for an alternator and method for making th

Details Molded rotor assembly for an alternator and method for making th Molded rotor assembly for an alternator and method for making th

1992-11-23

1994-06-28

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 71, 310235, 310263, 310232, H02K 1302

Patent

active

053250036

ABSTRACT:
A molded rotor assembly (20) for a vehicle alternator and method for making the same are disclosed. The rotor assembly includes first and second pole pieces (24,26) aligned along a longitudinal axis (40), the pair of pole pieces (24,26) defining a region therebetween. A coil wire (46) is located in the region. The pole pieces (24,26) and a slip ring assembly (36) are mounted on a rotor shaft (38). The slip ring assembly (36) has a pair of slip rings (102,104) connected to a pair of terminals (96,98) which are attached to respective free ends of the coil wire (46) to form a pair of connections (126,128). A molded insert (22) is injection molded filling the region between the pole pieces (24,26) thereby encapsulating the connections (126,128) and the coil wire (96) and forming a smooth cylindrical periphery on the rotor assembly (20).

REFERENCES:
patent: 4406961 (1983-09-01), Pfluger et al.
patent: 4419597 (1983-12-01), Shiga et al.
patent: 4617485 (1986-10-01), Nakamura et al.
patent: 4618793 (1986-10-01), Shizuka et al.

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