Metropolitan Industries, Inc.

Anton Belehradek

John R Kochan, Jr

Richard W Potter

Casey W Barker

Adam Pleticha

A pump control system includes a controller coupled to first and second pressure sensors. The sensors couple serial pressure related information to the controller. The controller can evaluate respective liquid levels, in response to received pressure related information from the sensors. A current sensor coupled to the controller can provide signals indicative of operation of one or more pumps coupled to the controller. The controller includes circuits to detect the presence of predetermined, prioritized, faults and to emit a wired or wireless fault indicator in response thereto.

Multi-priority pump control unit

A pump control system includes a controller coupled to first and second pressure sensors. The sensors couple serial pressure related information to the controller. The controller can evaluate respective liquid levels, in response to received pressure related information from the sensors. A current sensor coupled to the controller can provide signals indicative of operation of one or more pumps coupled to the controller. The controller includes circuits to detect the presence of predetermined faults and to emit an audible fault indicator in response thereto.

Pump control unit

A pump control system incorporates one or more solid state level sensors as well as solid state pump control switches. Elimination of mechanical or electrode-mechanical parts by using ultrasonically based fluid level sensors as well as solid state switches for motor control enhances reliability and results in reduced power consumption and dissipation.

Density sensing, solid state, pump switching system

An uninterruptible power supply system senses quality of available three phase input power and determines if load requirements can be met therefrom. If not, it drives an inverter to generate acceptable quality three phase AC to supply to the load. In this mode, the energy is obtained from a battery array. A solar panel can be used as a primary or a secondary source of input energy.

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Woodridge, IL, United States of America

Anton Belehradek