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A canned pump is described which includes a motor, impeller, shaft, and high inertia flywheel mounted within a hermetically sealed casing. The flywheel comprises a heavy metal disk made preferably of a uranium alloy with a stainless steel shell sealably enclosing the heavy metal. The outside surface

A canned pump is described which includes a motor, impeller, shaft, and high inertia flywheel mounted within a hermetically sealed casing. The flywheel comprises a heavy metal disk made preferably of a uranium alloy with a stainless steel shell sealably enclosing the heavy metal. The outside surfaces of the stainless steel comprise thrust runners and a journal for mating with, respectively, thrust bearing shoes and radial bearing segments. The bearings prevent vibration of the pump and, simultaneously, minimize power losses normally associated with the flywheel resulting from frictionally pumping surrounding fluid.

대표청구항 ▼

A pump comprising: a. a shaft; b. an impeller mounted on said shaft for pumping a fluid; c. drive means engaged with said shaft for turning said impeller; d. a flywheel mounted on said shaft, said flywheel having a first end surface, a second end surface, and an outer circumferential surface; and e.

A pump comprising: a. a shaft; b. an impeller mounted on said shaft for pumping a fluid; c. drive means engaged with said shaft for turning said impeller; d. a flywheel mounted on said shaft, said flywheel having a first end surface, a second end surface, and an outer circumferential surface; and e. radial bearing means substantially mating with said circumferential surface.