"3-Phase Brushless, 3 Phase Fuel Pump" Webinar
with Dave Hobbs
Wednesday, December 9th, 2020 at 6:45 pm ET
Hosted by G. Truglia
What are BLDCs? Some Kind of Sandwich?
These new 3-phase BLDC (Brushless DC) fuel pumps are popping up in everything from late model GDI GM and Toyotas to some older Porsche, VW and Audi models. They're very strange and guaranteed to eat the techs' lunches if they don't get some training. Even the 2019 and later Duramax engines use them for in tank lift pumps. Lots of HVAC BLDC applications but the motor controllers are always built on to the motors so no need to know anything beyond power, ground, and data. Not the case with BLDC fuel pumps. Some transmissions use 12-volt BLDCs to run pumps and apply parking pawls, but I haven't heard of them failing much. Thanks to tank contamination, fuel pumps fail a lot!
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