Magnetics Business & Technology - July/August 2020 - 20

PRODUCT NEWS

Johnson Controls Expands Line of Magnetic
Bearing Chillers

In the YZ line, advanced, aerodynamic design includes two,
single-stage compressors that are paired in a series counterflow
arrangement, reducing the lift on each compressor to improve
overall full-load and off-design performance. The dual compressor design allows for each compressor to run individually, providing redundancy and improved off-design performance at lower
loads.
Extending the capacity up to 2,020 tons, Johnson Controls is
reaching advanced levels of efficiency at even higher capacities with the launch of its expanded York YZ Magnetic Bearing
Centrifugal Chiller platform in North America and Latin America
markets.
"With energy efficiency driving customer decisions, we are
pleased to offer the extended capacity chiller to deliver ultimate
performance while dramatically reducing cost of ownership," said
Laura Wand, vice president and general manager for applied
equipment at Johnson Controls. "These higher-tonnage systems
support the same real-world operating conditions customers
have come to expect from York, while delivering lower maintenance costs with the use of magnetic bearing technology."

For more info see www.York.com/Next.

TMD gMOT a 'World's First' in Portable Cold
Atom Technology

TMD Technologies Limited (TMD), a London based manufacturer
of equipment for the high-tech microwave and quantum technologies industries, recently announced the gMOT, the world's
first portable grating magneto-optical trap for compact cold atom
systems.
It is the world's first portable grating magneto-optical trap for
compact atomic clocks, inertial sensors, magnetometers, RF field
sensing and gravimeters, the company said.
Johnson has been designing magnetic bearings into centrifugal
chillers for over 30 years, initially through its Navy Systems team.
A key aspect of the system is that due to the magnetic bearings
there are fewer components than in other types of chillers and
less complexity offers increased peace of mind for end-users. In
addition to oil-free operation, the chillers provide improved reliability because its magnetic bearings are designed to last 25 plus
years.

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Magnetics Business & Technology *

July/August 2020

Manufactured by TMD's Quantum Team in close working association with its academic and scientific partners the University
of Strathclyde, University of Glasgow and Kelvin Nanotechnology
Ltd, the gMOT was built and tested at TMD's manufacturing and
design facility in Hayes, West London.
"We started working with Strathclyde University some three years
ago, on an accelerator account to design compact vacuum cells,"

www.MagneticsMag.com

https://www.york.com/commercial-equipment/chilled-water-systems/water-cooled-chillers/yz_ch http://www.MagneticsMag.com

Magnetics Business & Technology - July/August 2020

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