US 12,066,033 B2
Blower unit
Dave Boulanger, Hong Kong (CN); and Bob Cheung, Shenzhen (CN)
Filed by Northman IP Holdco Limited, Hong Kong (CN)
Filed on Feb. 27, 2023, as Appl. No. 18/114,298.
Application 18/114,298 is a continuation of application No. 17/361,382, filed on Jun. 29, 2021, granted, now 11,668,319.
Claims priority of provisional application 63/058,757, filed on Jul. 30, 2020.
Claims priority of provisional application 63/045,520, filed on Jun. 29, 2020.
Prior Publication US 2023/0228281 A1, Jul. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F04D 29/42 (2006.01); F04D 25/06 (2006.01); F04D 29/28 (2006.01); F04D 29/62 (2006.01); F04D 29/66 (2006.01)
CPC F04D 29/4226 (2013.01) [F04D 25/0693 (2013.01); F04D 29/281 (2013.01); F04D 29/626 (2013.01); F04D 29/664 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A blower unit comprising:
an outer housing having an aperture centered on a first axis and extending between a first end and second end;
an inlet subassembly at least partially received in said first end of said aperture and defining an inlet of said blower unit;
a fan subassembly received in said aperture adjacent to said inlet subassembly and including at least one wire;
an outlet subassembly at least partially received in said second end of said aperture and defining at least one outlet of said blower unit, said fan subassembly positioned between said inlet subassembly and said outlet subassembly along said first axis;
a grommet positioned between at least part of said second end and said outlet subassembly, said at least one wire extending through said grommet, said grommet sealing against said at least one wire, wherein said grommet seals between said outer housing and said outlet subassembly; and
wherein said grommet includes a central longitudinal axis and extends between a first end and second end along said central longitudinal axis, said first end of said grommet positioned in a slot defined in an outer surface of said outlet subassembly and said second end of said grommet received in said aperture of said outer housing.