	US 12,264,852 B2
	Compressor and seal
Benjamin Tang, Monterey Park, CA (US); and Amanda L. Webb, Torrance, CA (US)
Assigned to Honeywell International Inc., Charlotte, NC (US)
Filed by Honeywell International Inc., Charlotte, NC (US)
Filed on Mar. 20, 2023, as Appl. No. 18/186,704.
Prior Publication US 2024/0318873 A1, Sep. 26, 2024
Int. Cl. F25B 1/053 (2006.01); F04D 17/10 (2006.01); F04D 29/08 (2006.01)

CPC F25B 1/053 (2013.01) [F04D 17/10 (2013.01); F04D 29/08 (2013.01)]

20 Claims

20. A centrifugal compressor comprising:

an impeller; and

a seal comprising:

a labyrinth seal comprising a plurality of teeth; and

a lumen through a thickness of the labyrinth seal having a lumen inlet disposed between adjacent teeth of the plurality of teeth.