Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-12-04
1992-11-24
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 42, 310 91, 310214, 310216, H02K 122
Patent
active
051665697
ABSTRACT:
A rotor assembly including first and second generally discoidal endshafts disposed at opposite ends of the rotor assembly, an electromagnetic core and winding assembly secured between the endshafts, and a generally annular sleeve member shrunk-fit onto the end shafts in a position surrounding the electromagnetic core and winding assembly. The torque is transmitted through the sleeve member between the endshafts during operation of the dynamoelectric device in which the rotor is employed. A method of assembling the rotor is also disclosed in which the electromagnetic core and winding assembly is bolted between the endshafts. The sleeve member is heated to a temperature between 900.degree. and 1,000.degree. F., the sleeve member is brought into a position over the endshafts, and subsequently allow to cool to ambient temperature to shrink into locking engagement with the endshafts.
REFERENCES:
patent: 4039870 (1977-08-01), Sterrett
patent: 4332079 (1982-06-01), Silver
patent: 4549341 (1985-10-01), Kasabian
patent: 4598218 (1986-07-01), Aleem
patent: 4614888 (1986-09-01), Mosher
patent: 4647804 (1987-03-01), Wefel
patent: 4933583 (1990-06-01), Ripplinger
Aleem Mohd
Shervington Roger M.
Thomas Lee L.
Turner David J.
Skudy R.
Sundstrand Corporation
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