Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-07-12
1998-03-10
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 66, 310 67R, H01H 3814
Patent
active
057265135
ABSTRACT:
An improved connection assembly for connecting a centrifugal governor to the shaft of a fractional horsepower electric motor. The end of the rotor shaft to which the governor is mounted is provided with a circumferential ring seat and is flattened on diametrically opposed sides at the tip of the shaft. The governor assembly carrier plate is provided with a mounting sleeve that is shaped to mate with the flattened sides at the end of the rotor shaft. The mounting sleeve also has an opening that mates with the circumferential ring seat so that when the carrier plate is placed over the end of the rotor shaft, the carrier plate and the rotor shaft can be rotated 90 degrees relative to each other and the carrier plate will be captured by the ring seat to hold the governor assembly in place. A bowed retaining ring is also fitted within the ring seat and between the governor and the stator of the motor forcing the carrier plate of the governor assembly toward the end of the shaft. To lock the governor fixedly in place relative to the rotor shaft, a clip is provided which fits about the end of the shaft with an opening which mates with the portion of the end of the shaft having the two flat sides. The clip has cuffed ends which clip over the carrier plate. Thus, the curled ends attach to the carrier plate and the shape of the opening of the clip prevent the governor from slipping relative to the rotor shaft.
REFERENCES:
patent: 2583590 (1952-01-01), Osterhus
patent: 2991340 (1961-07-01), Bickham
patent: 3532841 (1970-10-01), Hackbardt
patent: 4593163 (1986-06-01), Fisher
patent: 4885440 (1989-12-01), Kachuk
Boren Adam L.
Hale David W.
Lyle David M.
MagneTek, Inc.
Ngoc Nguyen Tran
Stephan Steven L.
Waddey, Jr. I. C.
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