초록 ▼

An improved cast motor housing for medium to large motors is integrally formed with at least one conduit embedded in the housing for carrying a circulating heat removal fluid. The housing has a substantially cylindrical housing wall formed from a thermally conductive material. The fluid conduit is d

An improved cast motor housing for medium to large motors is integrally formed with at least one conduit embedded in the housing for carrying a circulating heat removal fluid. The housing has a substantially cylindrical housing wall formed from a thermally conductive material. The fluid conduit is disposed within the housing wall intimate thermally-conductive contact with the wall material. The conduit may be formed of a sturdy, thermally conductive material. The conduit is arranged within the housing wall to extend along substantially the entire longitudinal and circumferential dimensions of the housing, and may be formed as a multi-turn helix. For larger motors, multiple conduits may be provided. The motor housing is formed by casting. A cylindrical casting core has a set of longitudinally-extending channels located at regular angular intervals along its circumference for supporting the conduit during the casting process. The resultant housing may be substituted for conventionally produced housings in the construction of motors. In operation, fluid is circulated through the motor housing to absorb heat, and then circulated through a heat exchanger to expel the heat.

대표청구항 ▼

[ What is claimed is:] [1.]1. A housing for an electric motor comprising:a substantially cylindrical cast housing wall formed from a thermally conductive material; andat least one fluid-carrying conduit embedded in said housing wall;said conduit having a tubular conduit wall distinct from said housi

[ What is claimed is:] [1.]1. A housing for an electric motor comprising:a substantially cylindrical cast housing wall formed from a thermally conductive material; andat least one fluid-carrying conduit embedded in said housing wall;said conduit having a tubular conduit wall distinct from said housing wall and in thermally conductive contact with said housing wall.