Liquid helium and nitrogen can be expensive ingredients for cooling the superconducting magnet in many nuclear magnetic resonance systems. The volatile elements are prone to evaporating away and requiring replenishment to maintain optimal performance of the instrument. Sometimes the instruments have to be shut down while fresh cryogen supplies are sought. But reclaiming them can make a difference. […]
Direct-cooled motors with hollow conductor stators offer several advantages over the indirect-cooled motors currently used in EVs, says Luvata of Finland, which has been making copper hollow conductors for more than sixty years. Adoption of the technology, typically used in more exotic applications such as superconduction, high-energy physics and magnetic resonance imaging, into mass-market electric vehicles faces considerable technical obstacles, however, and much higher cost than conventional magnet wire. […]
Advancing from recent research success, Vacuumschmelze is moving toward series production to apply its magnetocaloric materials to produce microchannel regenerators. They can enable magnetocaloric cooling systems in buoyancy, capable of shifting from hot to cold […]
Researchers and engineers with Hitachi and Hitachi Astemo were honored recently for their development of a compact high-power density inverter for electric vehicles and plug-in hybrid vehicles. Now the companies plan to expand the use […]
CoolMag, a Barcelona developer of encapsulants for keeping magnetic and electronic components cool and protected, has introduced a new thermoplastic compound that allows design freedom in applications previously restricted to common plastics and even metals such as coil bobbins, battery packs or electronic enclosures. The new flame-retardant Coolmag Plast PA20 combines thermal conductivity and electrical insulation in standard pellet form suitable for injection molding and extrusion processes. […]
The U.S. Food & Drug Administration has given clearance to a new, smaller magnetic resonance imaging scanner from Siemens Healthineers that employs the company’s technology to greatly reduce the amount of helium needed for cooling the magnet […]
Sumitomo (SHI) Cryogenics of America, Inc., a provider of cryocoolers for superconducting magnets in magnetic resonance and nuclear magnetic resonance equipment, has promoted Mark Derakhshan to president and chief executive officer. He succeeds David Dedman, who retired, and will […]
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