Solar Atmospheres Inc. filed a patent application with the U.S. Patent and Trademark Office (application number 15/999,873) for a high-pressure, rapid gas-quenching vacuum furnace utilizing an isolation transformer in the blower motor power system. The gas quench with a 600-HP motor operates at 460 volts in argon gas utilizing a double-wound electrical isolation transformer, primary winding 1:1 to the secondary winding, with a variable-speed drive and solid-state electrical spike protection for motor arc suppression.

The transformer is manufactured by Magnetic Specialties Inc.