Bristol Clear Compression

BCI to partner with DHX Electric for HVAC/R applications

Bristol Compressors International, the Virginia-based manufacturer, and DHX Electric Machines, Inc. today announced an exclusive global strategic partnership to develop new HVAC/R compressor technology leveraged by “ultra-high torque density” electric motors with patented micro-feature enhanced “Direct Winding Heat Exchanger” DwHX cooling system. Through this partnership, Bristol and DHX will develop and deliver what they deem “the most cost-effective, high-efficiency compressors and systems in the industry,” the companies said in a January 18 press release.

The companies consider this a breakthrough, going so far as to call it “the future of HVAC/R compressor motor technology.” The heat exchanger’s cooling system targets the main source of heat by placing the micro cooling flow channel adjacent to the windings in the center of the slot, which is said to increase the surface area and local fluid velocities, improving cooling capability over standard flow channels by as much as 25 times.

“The DwHX™ patented motor technology will allow Bristol to develop compressors that are shorter in height and lighter in weight than anything on the market today. Furthermore, we will do all of this with ‘best in class’ efficiency levels across the board. Our customers and their system designers will now have more space design options with improved system efficiency at the lowest applied cost,” says Kevin Mumpower, Vice President of Product Engineering, Bristol Compressors.

Headquartered in Bristol, Virginia (in the southwest corner of the state, right by the Tennessee border) Bristol Compressors develops and manufactures hermetic compressors for residential and light commercial air conditioning, heat pump and refrigeration applications. The company offers a variety of high-efficiency, ozone-friendly refrigerant compressors with fixed- and variable-frequency drive configurations, high performance heat pump compressors, and the highest performing refrigeration compressors in the industry.

Hoschton, Georgia-based DHX, meanwhile, is an independent, closely held company producing high torque density electric machines, incorporating the patented, proprietary micro-feature enhanced “Direct-Winding Heat Exchange” DwHX™ cooling system developed in MayorLab at the George W. Woodruff School of Mechanical Engineering at Georgia Tech. Founded in 2014, DHX Electric Machines, Inc. was formed after the successful demonstration of the DwHX™ cooled 15kW ultra-high torque density electric motor.

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