[Robert Murray-Smith] doesn’t like the price of inverters to convert DC to AC. That led him to build a dynamotor, or what is sometimes called a motor-generator set. These devices are just DC motors ...

CLEVELAND--(BUSINESS WIRE)--After years of product development, DynaMotors Inc is proud to announce its first production motor in a new family of single-phase variable-speed electric motors for air ...

Electricity comes in two basic forms: Alternating Current (AC) and Direct Current (DC). DC is handy to use and is easy to analyze. However, AC has some useful properties too. In particular, AC current ...

In recent years, improvements in motor and drive designs have generally been incremental. That has changed with recent development by DynaMotors Inc., Cleveland, of a totally integrated motor/drive ...

The DynaMotor from DynaMotors Inc., Warrensville Heights, Ohio (dynamotors.com), uses optically controlled solid-state switches embedded in the rotor windings to control current and, thus, torque, ...