About Us
February 28, 2002 – Drive Source International, Inc. acquired the assets
of Dynamatic® Corporation a manufacturing company steeped in over 75 years
of applications knowledge, engineering know-how and is the overall world’s
leader in Eddy-Current drive technology.
November 9, 2007 – Drive Source International, Inc. purchased the Tasc® Eddy-Current, Heenan® Eddy-Current and Neco® Geared motor products lines from ATB Laurence Scott Ltd. of Norwich, England.
DSI/Dynamatic® offers the most complete line of electromagnetic drives and digital controls consisting of Eddy-Current variable speed drives up to 4000HP, Eddy-Current air and liquid cooled brakes, CES Constant Energy Digital press drives, Eddy-Current controls, custom control systems, high speed AC motors, Inverter packages, and Dynamatic® Specialty & AC Dynamometer Motors.
DSI/Dynamatic® offers complete factory rebuild on all products, which carry a factory warranty. We can rebuild, test and repair all control circuit boards back to factory original specifications insuring minimal downtime.
DSI/Dynamatic® knows the value of engineering products the right way, and use our vast knowledge with our team of experienced mechanical and electrical engineers, to promote the natural advantages of the Eddy-Current technology.
DSI/Dynamatic® is the North American agents/distributors and factory repair specialist for TECO Eddy-Current drives and controls.
DSI/Dynamatic® also specializes in a complete line of AC Variable Frequency Drive packages (VFDs). Trust Drive Source International for your AC drive packages. We know how to apply and engineer drives.
Dynamatic’s HISTORY
September 12, 1931 – Dynamatic® Corporation was founded in Kenosha, Wisconsin, by Martin and Anthony Winther, in order to manufacture the Winther brother’s invention, the “eddy current clutch”, originally intended for automobiles. The first major application was for air conditioning compressors installed on Pullman railroad cars; this application was the reverse of the usual speed control in that it took the varying speed of the car axle and regulated it to a constant speed output for the compressor. Approximately 6,900 of these clutches were manufactured.
The name “Dynamatic” was derived from the words “Dynamo” and “Automatic”, and has become, over the years, a highly recognized and respected trade name in both the US and abroad.
Eddy-Current Dynamometers were first introduced in 1936. During the years, 1941 to 1946, the entire production was dedicated to the war effort, primarily in the form of dynamometers for aircraft engine testing.
The idea of a variable speed regulated clutch was introduced in 1939, and soon thereafter, the self-contained drive with a motor and variable speed clutch dubbed “Ajusto-Spede”, made its appearance.
March 1946 – the Eaton Manufacturing Company acquired Dynamatic®; Dynamatic® Corporation remained a wholly owned subsidiary until December 1953, when it became the Dynamatic Division of Eaton Corporation. In the middle 1960’s, Eaton also developed and started manufacturing adjustable frequency and DC drives. In 1995, Eaton completed a consolidation of AF drive manufacture at its Oldsmar, Florida location and sold the remaining Eddy-Current business to a group of private investors. These investors restored the original name to the business, “Dynamatic® Corporation”, and continued the manufacture of the full line of EC drives and controls.
