US 12,151,824 B2
Aircraft egress system
Skandan Berikai Kuppan, Karnataka (IN); Jeffrey Martin Werbelow, Phoenix, AZ (US); and Satya Swaroop Panda, Karnataka (IN)
Assigned to GOODRICH CORPORATION, Charlotte, NC (US)
Filed by Goodrich Corporation, Charlotte, NC (US)
Filed on Jan. 20, 2021, as Appl. No. 17/152,952.
Claims priority of application No. 202011003302 (IN), filed on Jan. 24, 2020.
Prior Publication US 2021/0229820 A1, Jul. 29, 2021
Int. Cl. B64D 25/14 (2006.01); F04D 17/10 (2006.01); F04D 25/06 (2006.01); F04D 27/00 (2006.01); F04D 29/42 (2006.01)
CPC B64D 25/14 (2013.01) [F04D 17/10 (2013.01); F04D 25/0673 (2013.01); F04D 27/008 (2013.01); F04D 29/4226 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An egress pack for egressing a craft, the egress pack comprising: an egress aid defining a cavity and an inflation port; and an inflation duct connected with the inflation port for supplying gas to the cavity, the inflation duct defining:
an axis;
a flow direction oriented to supply the cavity;
a first ingress port defined by a first boundary and defining a primary flow path in the flow direction; a second ingress port defining a secondary flow path in fluid communication with the primary flow path;
a divider disposed between the first ingress port and the second ingress port that coincides with the first boundary;
a first duct elongated along the axis and joined with the first ingress port;
a first check valve configured to permit a flow of a first gaseous matter in the flow direction through the first ingress port;
a second check valve disposed on the inflation duct configured to permit a flow of a second gaseous matter in the flow direction and resist the flow of the second gaseous matter opposite the flow direction, wherein the second ingress port defines stanchions formed with the first boundary, wherein the second check valve comprises flaps that define a valve head, and wherein the stanchions define a seat of the valve head.