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Qualcomm and BRUSA sign commercial wireless electric vehicle charging license agreement

BRUSA Elektronik AG, an automotive Tier 1 power electronics supplier, has licensed Qualcomm Incorporated’s Halo (earlier post) patented inventions to commercialize Wireless Electric Vehicle Charging (WEVC) systems for Plug-In Hybrid and Electric Vehicles (EVs). Under the terms of the agreement, Qualcomm granted to BRUSA a royalty-bearing patent license to develop, make and supply WEVC systems for certain automobile manufacturers.

BRUSA, which has been working on its own Inductive Charging System (ICS) for wireless power transfer (WPT), developed its own coil geometry: FRAME technology. The coil is rectangular and enables inductive charging of electric vehicles with the integration of power electronics both in the vehicle and in the base plate, enabling a one-box system.

Qualcomm-halo-interoperability-infographic-
From a Qualcomm Halo infographic. Click to enlarge.

The first generation ICS from BRUSA is rated at 3.7 kW and has been available since 2014 to car manufacturers for functional testing.

Qualcomm Halo uses high-power, resonant magnetic inductive wireless energy transfer and supports a relatively wide air gap between base charging unit (BCU) and vehicle charging unit (VCU).

The charging pad’s multi-coil design (“Double “D” Quadrature”) delivers high energy-transfer efficiency and high power—3.3 kW, 6.6 kW or 20 kW—even if the pads are misaligned. The high degree of tolerance in both the vertical (z) and lateral (x,y) planes means drivers do not have to park accurately or need complex and expensive on-board alignment systems.

Qualcomm Halo licensees can bring to market highly efficient, fit-for-purpose, WEVC systems, which allow convenient charging and improve the EV driver’s user experience. We believe access to Qualcomm Halo technology is important to building WEVC systems that meet the needs of automotive OEMs and their end-customers, including WEVC systems incorporating magnetics based on a circular coil structure.

—Steve Pazol, vice-president & general manager wireless charging, Qualcomm Incorporated

Wireless charging will win, it will give e-mobility a big boost, it will set new, sustainable technology apart from old gasoline-based technology. We are determined to make wireless charging a reality. We already offer technically sound and commercially viable systems to the market and we are excited about the potential of wireless charging.

—Josef Brusa, CEO of BRUSA Elektronik AG

Comments

HarveyD

The majority of PHEV and BV owners will soon want high efficiency wireless charging incorporated into their electrified vehicles.

Satandardized units will soon be fully funtional in home garages, private and public parking places etc.

Charging cost will be done automatically to your credit-debit card or bank account.

Engineer-Poet

Yesterday I had a situation proving the superiority of cable-based chargers.  Two vehicles were parked on either side of the charger.  One was presumably fully-charged, and the other finished charging while I was there.  I was able to park on the far side of the first vehicle and snake the cable around it to charge my own.

This would have been impossible with a wireless charger.  The first vehicle parked on the charging pad would have monopolized it, and no other vehicle would have had an opportunity to charge.

HarveyD

E-P:

It won't be long before most public stations are equipt with dual mode (Wired and Wireless) charging failities to solve that minor problem.

It would also be relatively easy to design Wireless charging facilities with dual capabilities, either side by side or front to front or back to back or front to back etc.

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