US 11,678,464 B2
Heat transfer device for use in an information handling system
Qinghong He, Austin, TX (US); and John Trevor Morrison, Round Rock, TX (US)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Aug. 6, 2021, as Appl. No. 17/444,582.
Prior Publication US 2023/0041122 A1, Feb. 9, 2023
Int. Cl. H05K 7/20 (2006.01)
CPC H05K 7/20336 (2013.01) 16 Claims
OG exemplary drawing
 
1. A heat transfer device, including:
a sealed container defining an internal chamber having a first internal surface positioned opposite to a second internal surface, the sealed container including a first end and a second end positioned opposite to the first end;
a set of internal fins extending from the first internal surface of the internal chamber towards the second internal surface of the internal chamber, the set of internal fins positioned at the second end of the sealed container, the set of internal fins each having a first end positioned opposite to a second end;
a wicking structure positioned along the first and the second internal surfaces, and i) positioned between adjacent fins of the set of fins along the first internal surface and at the first end of the fins and ii) positioned between the adjacent fins of the set of fins along the second internal surface and at the second end of the fins such that the set of internal fins are in thermal communication with the wicking structure;
a remote heat exchanger positioned along an external surface of the sealed container at the second end of the sealed container, the remote heat exchanger adjacent to the set of internal fins such that the remote heat exchanger is in thermal communication with the set of internal fins; and
a plurality of pillars extending from the first internal surface of the internal chamber towards the second internal surface of the internal chamber, the plurality of pillars positioned at the first end of the sealed container, the plurality of pillars configured to provide structural support of the sealed container.