Flowserve Management Company

The Duriron Company, Inc.

Dennis M Rusnak

Roger Scott Turley

Jason Ballard

The present invention is a controller specifically for pumps, making the benefits of variable frequency drive (VFD) technology more accessible to pump users. The present invention incorporates pump-specific system optimization software, an industrial grade drive, and a menu-driven user interface, offering protection, reliability, and ease of use not possible with other variable frequency drives.

Intelligent pump system

An apparatus is provided for monitoring a rotor mounted for rotation by bearings within a stationary housing of an apparatus, such as a sealless pump. In a first embodiment, the monitoring apparatus includes at least one magnet mounted on the circumference of the rotor and a plurality of hall effect devices which sense magnetic flux density as the rotor rotates to generate signals representative of radial and axial bearing wear as well as signals representative of the direction of rotation of the rotor. In a further embodiment, the monitoring apparatus includes magnetic material mounted in one or more locations around the rotor or entirely around the rotor and a plurality of hall effect devices and associated magnets mounted within the stationary housing and surrounding the rotor. The monitoring apparatus further includes a monitor for monitoring the amount of electrical power driving the pump as well as a monitor for monitoring the temperature of a containment shell which encloses the rotor within the sealless pump.

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Miamisburg, OH, United States of America

Dennis M Rusnak