US 12,238,891 B2
Method and apparatus for a magnetically suspended fan
Qinghong He, Austin, TX (US); and Travis C. North, Cedar Park, TX (US)
Assigned to DELL PRODUCTS LP, Round Rock, TX (US)
Filed by Dell Products, LP, Round Rock, TX (US)
Filed on Oct. 26, 2022, as Appl. No. 17/973,951.
Prior Publication US 2024/0147656 A1, May 2, 2024
Int. Cl. H05K 7/20 (2006.01); G06F 1/20 (2006.01); H02K 7/14 (2006.01)
CPC H05K 7/20172 (2013.01) [G06F 1/203 (2013.01); H02K 7/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An information handling system comprising:
a processor;
a memory device;
a power management unit (PMU) to provide power to the processor and memory device;
a magnetically suspended fan comprising:
a fan including a plurality of fan blades rotationally turned by a fan motor;
a first set of permanent magnets operatively coupled to the plurality of fan blades;
a second set of permanent magnets operatively coupled to an interior side of a top chassis cover of the information handling system; and
a third set of permanent magnets operatively coupled to an interior side of a bottom chassis cover of the information handling system, wherein the second set of permanent magnets and third set of permanent magnets repel the first set of permanent magnets to suspend the plurality of fan blades between the top chassis cover and bottom chassis cover.