H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 1/12 (2006.01) B22C 9/04 (2006.01) H02K 5/06 (2006.01) H02K 5/18 (2006.01) H02K 5/22 (2006.01) H02K 15/14 (2006.01)
Patent
CA 2087763
A dynamoelectric machine having a stator housing or frame made by a lost foam process utilizing a unitary single- piece vaporizable pattern. The stator housing may be made from a molten metal such as cast iron or aluminum, and has an annular wall having integral outwardly extending longitudinal cooling fins, mounting foots pads and a conduit box support pad. The lost foam process enables the cooling fins to have a greater effective cooling fin height to housing diameter ratio and greater effective cooling fin height to housing annular wall thickness ratio than obtained with prior sand casting processes. The greater height fins provide increased strength and rigidity for the annular wall which can be made radially thinner than prior stator housing or frames of similar size. Substantial savings in material and labor are realized by the stator housing.
Company General Electric
Craig Wilson And Company
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