IP Library Granted Patent US 12,576,973
Granted Patent B1
US 12,576,973 · App. 17/739,030 · Granted Mar 17, 2026

Destructive adsorber via a catalytic-scrubber for onboard pilot breathing air filtering and monitoring

Inventors: Subir Roychoudhury (Madison, CT); Christian Junaedi (Cheshire, CT); Sam Whiteley (New Haven, CT)
Assignee: Precision Combustion, Inc.
B64D13/06B64D2013/0618B64D2013/0651B64D2013/0677
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Quick Facts
Patent No.
US 12,576,973
App. No.
17/739,030
Granted
Mar 17, 2026
Kind
B1
Abstract

A decontamination system for removing bleed air contamination comprising an enclosure defining a cavity; an inlet fluidly coupled to the cavity, the inlet configured to receive air into the cavity; an outlet fluidly coupled to the cavity, the outlet configured to discharge the air from the cavity; a bed located within the cavity fluidly coupled to the inlet and the outlet; the bed comprising a substrate with decontamination materials attached to the substrate; and a compressor bleed air system fluidly coupled to the inlet and an on-board oxygen generation system fluidly coupled to the outlet.

Claims (25)

1 . A decontamination system for removing bleed air contamination comprising:

an enclosure defining a cavity;

an inlet fluidly coupled to said cavity, said inlet configured to receive air into said cavity;

an outlet fluidly coupled to said cavity, said outlet configured to discharge said air from said cavity;

a bed located within said cavity fluidly coupled to said inlet and said outlet; said bed comprising a substrate with decontamination materials attached to said substrate;

a heater within the enclosure, the heater fluidly coupled to said substrate configured to heat said substrate to a predetermined temperature configured to cause reaction of the decontamination materials with contaminants in said bleed air; and

a gas turbine engine compressor bleed air system fluidly coupled to said inlet and an on-board oxygen generation system fluidly coupled to said outlet.

2 . The decontamination system according to claim 1 , wherein said decontamination materials are configured to remove said contaminants from said bleed air.

3 . The decontamination system according to claim 1 , wherein said decontamination materials comprise catalyst materials configured to oxidize said contaminants in said bleed air.

4 . The decontamination system according to claim 1 , wherein said substrate comprises at least one of a mesh, a foam and a nano fiber support and combinations thereof.

5 . The decontamination system according to claim 1 , further comprising:

sorbent materials coupled to said substrate, said sorbent materials coated with functionalities that adsorb said contaminants.

6 . The decontamination system according to claim 1 , wherein said substrate comprises an ultra-short-channel-length metal substrate.

7 . A gas turbine engine equipped with a compressor bleed air decontamination system comprising:

a bleed air supply line;

an enclosure defining a cavity;

an inlet fluidly coupled to said cavity, said inlet configured to receive bleed air into said cavity from a compressor bleed air supply pipe;

an outlet fluidly coupled to said cavity, said outlet configured to discharge said air from said cavity into on-board oxygen generator system;

a bed located within said cavity fluidly coupled to said inlet and said outlet; said bed comprising a substrate with decontamination materials attached to said substrate; and

a heater within the enclosure, the heater fluidly coupled to said substrate configured to heat said substrate to a predetermined temperature configured to cause reaction of the decontamination material with contaminants in said bleed air.

8 . The gas turbine engine equipped with a compressor bleed air decontamination system according to claim 7 , wherein said decontamination materials comprise catalyst materials configured to oxidize said contaminants in said bleed air.

9 . The gas turbine engine equipped with a compressor bleed air decontamination system according to claim 7 , wherein said substrate comprises layers of at least one of a mesh, a foam and a nano fiber support and combinations thereof.

10 . The gas turbine engine equipped with a compressor bleed air decontamination system according to claim 7 , further comprising:

at least one sensor fluidly coupled to said bed, said at least one sensor configured to monitor said bed.

11 . The gas turbine engine equipped with a compressor bleed air decontamination system according to claim 7 , wherein said substrate comprises an ultra-short-channel-length metal substrate.

Assignments (2)
CONFIRMATORY LICENSE Recorded Feb 27, 2023
From: PRECISION COMBUSTION, INC
To: DEPARTMENT OF THE NAVY
Reel/Frame 062808/0868 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2022
From: ROYCHOUDHURY, SUBIR; JUNAEDI, CHRISTIAN; WHITELEY, SAM
To: PRECISION COMBUSTION, INC.
Reel/Frame 060136/0921 →
Continuity (1)
Provisional Application 63186864 · May 11, 2021
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