US 11,731,778 B1
Apparatus for removing particulate matter from bleed gas
Julien Girard, Sainte-Julie (CA); Sylvain Lamarre, Boucherville (CA); Xiaoliu Liu, Mississauga (CA); David Koo, Toronto (CA); Kevin Nguyen, Montreal (CA); Liam McPherson, Ottawa (CA); and AnnMarie Unnippillil, Toronto (CA)
Assigned to Pratt & Whitney Canada Corp., Longueuil (CA)
Filed by Pratt & Whitney Canada Corp., Longueuil (CA)
Filed on May 13, 2022, as Appl. No. 17/744,199.
Int. Cl. F02C 9/18 (2006.01); B64D 33/02 (2006.01); F02C 7/052 (2006.01)
CPC B64D 33/02 (2013.01) [F02C 7/052 (2013.01); B64D 2033/022 (2013.01); B64D 2033/0246 (2013.01); F05D 2220/323 (2013.01); F05D 2260/607 (2013.01)] 20 Claims
OG exemplary drawing
 
13. An intake device for a gas turbine engine, the intake device comprising:
a filter case extending between a first end and a second end, the filter case includes a sidewall extending from the first end to the second end, the sidewall surrounds a filter cavity between the first end and the second end, the filter case includes a first aperture and at least one second aperture, the first aperture extends from the filter cavity through the second end, the at least one second aperture extends through the sidewall;
a snorkel including a tubular body and an inlet aperture, the tubular body extends between a closed end and an open end opposite the closed end, the inlet aperture is formed through the tubular body proximate the closed end, the tubular body is connected to the second end with the open end fluidly coupled with the first aperture;
a cap connected to the second end, the cap includes a first cap end, a second cap end, and a vent aperture, the second cap end is positioned adjacent the first end, and the vent aperture extends through the cap from the first cap end to the second cap end.