# US 11,307,119 B2 · Aircraft air contaminant collector device and method of use > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,307,119 B2 - Document ID: US11307119B2 - Status: Granted - Kind: B2 - Application number: 16/392,187 - Filed: 2019-04-23 - Published: 2020-10-29 - Granted: 2022-04-19 - Earliest claimed: 2019-04-23 - Assignees: Pall Corporation - Applicants: Pall Corporation - Inventors: Richard Mlcak - Web page: https://patentgrep.com/patent/US11307119B2 ## CPC - G01N 1/2214: {by sorption} - G01N 15/0637: {Moving support} - B64D 13/00: Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space - B64D 43/00: Arrangements or adaptations of instruments - G01N 1/2273: {Atmospheric sampling} - G01N 1/4022: {by thermal techniques; Phase changes} - G01N 5/02: by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content {(absorption bulbs B01D53/00)} - G01N 5/04: by removing a component, e.g. by evaporation, and weighing the remainder - G01N 29/022: {Fluid sensors based on microsensors, e.g. quartz crystal-microbalance [QCM], surface acoustic wave [SAW] devices, tuning forks, cantilevers, flexural plate wave [FPW] devices (microdevices per se B81B)} - G01N 29/036: by measuring frequency or resonance of acoustic waves - G01G 3/16: measuring variations of frequency of oscillations of the body - G01N 2001/2223: {aerosol sampling devices} - G01N 2015/0046: {in gas, e.g. smoke} - G01N 2291/014: Resonance or resonant frequency - G01N 2291/021: Gases - G01N 2291/0215: Mixtures of three or more gases, e.g. air - G01N 2291/02408: Solids in gases, e.g. particle suspensions - G01N 2291/0256: Adsorption, desorption, surface mass change, e.g. on biosensors - G01N 2291/02809: Concentration of a compound, e.g. measured by a surface mass change - G01N 2291/0422: Shear waves, transverse waves, horizontally polarised waves - G01N 2291/0423: Surface waves, e.g. Rayleigh waves, Love waves - G01N 2291/0426: Bulk waves, e.g. quartz crystal microbalance, torsional waves - G01N 2291/0427: Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT - G01G: WEIGHING (sorting by weighing B07C5/16) ## Abstract An air contaminant collector device for use in an aircraft air contaminant analyzer, and a method for its use, are disclosed. ## Claims ### Claim 1 An air contaminant collector device for use in an aircraft air contaminant analyzer comprising: (A) an air contaminant collector comprising: (a) a porous member having a thickness in a range of 50 micrometers to 200 micrometers, the porous member comprising metal electrical traces and microporous flow-through channels and a chemoselective zeolite coating, the porous member having a top surface and a bottom surface, wherein the porous member desorbs captured air contaminants while being uniformly heated to at least 400° C. for a controlled time period; (b) a thin film resistive heater, capable of heating to a temperature that vaporizes captured air contaminants, wherein the heater is covered by the chemoselective zeolite coating and the heater is in contact with the top surface of the porous member and the heater receives current through metal electrical traces on the porous member and metal electrical traces on one or more tethers; and; (B) an air contaminant collector base comprising: (c) a first substrate, wherein the porous member and the thin film resistive heater are associated with the first substrate, wherein the bottom surface of the porous member contacts a top layer of the first substrate, the porous member and the heater being thermally insulated from the base, wherein the first substrate has channels providing one or more tethers connecting the porous member to the first substrate, the one or more tethers having metal electrical traces. ### Claim 2 (depends on 1) The device of claim 1, wherein the top surface of the porous member comprises an insulating layer. ### Claim 3 (depends on 1) The device of claim 1, wherein the chemoselective zeolite coating comprises a chemoselective hydrophobic zeolite coating. ### Claim 4 (depends on 1) The device of claim 1, wherein the chemoselective zeolite coating comprises a chemoselective hydrophilic zeolite coating. ### Claim 5 (depends on 1) The device of claim 1, wherein the porous member desorbs captured air contaminants while being uniformly heated to 550° C. for a controlled time period. ### Claim 6 A method for capturing and desorbing captured air contaminants in aircraft air, the method comprising: (A) passing aircraft air through an air contaminant collector comprising: (a) a porous member having a thickness in a range of 50 micrometers to 200 micrometers, the porous member comprising metal electrical traces and microporous flow-through channels and a chemoselective zeolite coating, the porous member having a top surface and a bottom surface, wherein the porous member desorbs captured air contaminants while being uniformly heated to at least 400° C. for a controlled time period; (b) a thin film resistive heater, capable of heating to a temperature that vaporizes captured air contaminants, wherein the heater is covered by the chemoselective zeolite coating and the heater is in contact with the top surface of the porous member and the heater receives current through metal electrical traces on the porous member and metal electrical traces on one or more tethers; and; an air contaminant collector base comprising: (c) a first substrate, wherein the porous member and the thin film resistive heater are associated with the first substrate, wherein the bottom surface of the porous member contacts a top layer of the first substrate, the porous member and the heater being thermally insulated from the base, wherein the first substrate has channels providing one or more tethers connecting the porous member to the first substrate, the one or more tethers having metal electrical traces; (B) capturing air contaminants by the porous member; and (C) uniformly heating the porous member to a temperature of at least 400° C. sufficient to vaporize the captured air contaminants and desorb the captured air contaminants. ### Claim 7 (depends on 6) The method of claim 6, wherein the air contaminants comprise aerosols. ### Claim 8 (depends on 6) The method of claim 6, wherein the air contaminants comprise particulates. ### Claim 9 (depends on 6) The method of claim 6, wherein the air contaminants comprise gases. ### Claim 10 (depends on 7) The method of claim 7, wherein the air contaminants comprise particulates. ### Claim 11 (depends on 7) The method of claim 7, wherein the air contaminants comprise gases. ### Claim 12 (depends on 8) The method of claim 8, wherein the air contaminants comprise gases. ### Claim 13 (depends on 10) The method of claim 10, wherein the air contaminants comprise gases. ### Claim 14 (depends on 6) The method of claim 6, wherein passing aircraft air through the porous member comprising a chemoselective zeolite coating comprises passing aircraft air through the porous member comprising a chemoselective hydrophobic zeolite coating. ### Claim 15 (depends on 6) The method of claim 6, wherein passing aircraft air through the porous member comprising a chemoselective zeolite coating comprises passing aircraft air through the porous member comprising a chemoselective hydrophilic zeolite coating. ### Claim 16 (depends on 6) The method of claim 6, comprising uniformly heating the porous member to 550° C. to vaporize the captured air contaminants and desorb the captured air contaminants.