# US 3,961,920 A · Gas adsorber cell test sampler > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 3,961,920 A - Document ID: US3961920A - Status: Granted - Kind: A - Application number: 05/436,184 - Filed: 1974-01-24 - Granted: 1976-06-08 - Earliest claimed: 1974-01-24 - Inventors: Humphrey Gilbert - Web page: https://patentgrep.com/patent/US3961920A ## CPC - B01D 53/0454: {Controlling adsorption (controlling temperature swing adsorption B01D53/0462, controlling pressure swing adsorption B01D53/047)} - B01D 53/0407: {Constructional details of adsorbing systems} - B01D 53/30: Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D) - G21F 9/02: Treating gases - B01D 53/0446: {Means for feeding or distributing gases} - B01D 2253/102: Carbon - B01D 2257/202: Single element halogens - B01D 2257/2068: Iodine - B01D 2259/40084: by exchanging used adsorbents with fresh adsorbents - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - G21F: PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K8/00, A61Q17/04; in cosmonautic vehicles B64G1/54; combined with a reactor G21C11/00; combined with X-ray tubes H01J35/16; combined with X-ray apparatus H05G1/02) ## Abstract A gas adsorber cell for use in high efficiency gas cleaning systems and the like, and having provision for obtaining a representative and undisturbed sample of the adsorbent material to permit periodic testing of the efficacy of the adsorbent material. The adsorber cell comprises an enclosure including a pair of spaced perforated sheets adapted to receive an adsorbent material therebetween, a sample holder also adapted to be filled with the adsorbent material and having perforated opposite ends, and means for removably mounting the sample holder between the sheets such that a representative portion of the gas passing through the adsorber cell passes through the sample holder. The holder may then be removed to permit periodic testing of the adsorbent material carried therein. ## Claims ### Claim 1 A gas adsorber cell for use in high efficiency gas cleaning systems and the like and having provision for obtaining a representative and undisturbed sample of the adsorbent material to permit periodic testing of the efficacy of the adsorbent material, said adsorbent cell comprising, an enclosure including a pair of perforated sheets disposed in spaced apart, parallel relationship, said enclosure being adapted to receive an adsorbent material between said sheets such that a gas may be passed transversely through the sheets and absorbent material, a sample holder adapted to be filled with an adsorbent material and comprising a perforated top end wall, a perforated bottom end wall, said top and bottom end walls being disposed in spaced apart, parallel relationship with respect to each other, and a peripheral side wall extending between said top and bottom end walls, and means for removably mounting said sample holder within said enclosure and between said sheets in an operative position wherein said top and bottom end walls of said holder are positioned parallel to said two perforated sheets, whereby a representative portion of the gas passing transversely through the adsorber cell passes through said sample holder, and said holder may be removed to permit the testing of the adsorbent material carried therein. ### Claim 2 (depends on 1) The gas adsorber cell as defined in claim 1 wherein said sample holder further comprises an inwardly directed imperforate flange carried by said peripheral side wall and overlying the periphery of one of said top and bottom end walls to substantially prevent the gas from channeling between the adsorbent material in said holder and said side wall. ### Claim 3 (depends on 2) The gas adsorber cell as defined in claim 2 wherein said enclosure further includes an aperture in each of said perforated sheets, said apertures being transversely aligned with each other, and said means for removably mounting said sample holder within said enclosure includes a receptacle fixedly mounted between said perforated sheets and in transverse alignment with said apertures, said receptacle being configured to closely surround said side wall of said sample holder to maintain the same in said operative position. ### Claim 4 (depends on 3) The gas adsorber cell as defined in claim 3 wherein said receptacle includes a side wall extending between said perforated sheets, and an outwardly directed imperforate flange carried by said receptacle side wall and overlying that portion of one of said perforated sheets immediately surrounding the associated aperture to thereby substantially prevent the gas from channeling between the adsorbent material in said enclosure and said receptacle side wall. ### Claim 5 (depends on 4) The gas adsorber cell as defined in claim 4 further including sealing means adapted to be interposed between said receptacle and said sample holder for substantially precluding the passage of gas therebetween. ### Claim 6 (depends on 5) The gas adsorber cell as defined in claim 5 wherein the percentage of open area in each of said perforated sheets and each of said perforated top and bottom end walls of said holder is substantially the same, such that the gas flow rate per unit area through said holder will be substantially the same as the gas flow rate per unit area through the remainder of said enclosure. ### Claim 7 (depends on 1) The gas adsorber cell as defined in claim 1 wherein said peripheral side wall of said sample holder is cylindrical and wherein said top and bottom end walls lie substantially perpendicular to the axis defined by said cylindrical side wall, and said cylindrical side wall includes an inturned circumferential imperforate flange adjacent each end thereof to overlie the periphery of the adjacent end wall and to substantially prevent the gas from channeling between the adsorbent material in said holder and said side wall. ### Claim 8 (depends on 7) The gas adsorber cell as defined in claim 7 wherein said enclosure further includes a circular aperture in each of said perforated sheets, said apertures being transversely aligned to define a transverse axis, and said means for removably mounting said sample holder within said enclosure includes a receptacle fixedly mounted between said perforated sheets, said receptacle including a cylindrical side wall positioned coaxially about said transverse axis and having a diameter slightly larger than the diameter of said sample holder side wall such that said sample holder may be coaxially received within said receptacle in said operative position. ### Claim 9 (depends on 8) The adsorber cell as defined in claim 8 wherein the transverse spacing between said top and bottom end walls of said sample holder substantially corresponds to the transverse spacing between said perforated sheets of said enclosure, and wherein said receptacle further includes an inwardly directed circumferential flange adjacent one of said sheets for receiving one end of said sample holder thereon, and said means for removably mounting said sample holder within said enclosure further includes a ring cover plate adapted to overlie the other end of said sample holder, and means for removably attaching said ring cover plate to said receptacle adjacent the other of said sheets such that the sample holder may be retained in said operative position with one end resting upon said inwardly directed flange and the other end being contacted by said ring cover plate and wherein said sample holder may be inserted into and removed from said receptacle along said transverse axis upon removal of said ring cover plate. ### Claim 10 (depends on 8) The adsorber cell as defined in claim 8 wherein said receptacle side wall is divided along the transverse direction to define an arcuate fixed section and a removable cover section such that the cover section may be manually translated between a closed position and an open position, and whereby said sample holder may be inserted into and removed from said receptacle along a direction perpendicular to said transverse axis upon said cover section being translated to said open position. ### Claim 11 (depends on 10) The adsorber cell as defined in claim 10 wherein said receptacle further includes means for releasably maintaining said cover section in said closed position. ### Claim 12 A gas adsorber cell for use in high efficiency gas cleaning systems and the like and having provision for obtaining a representative and undisturbed sample of the adsorbent material to permit periodic testing of the efficacy of the adsorbent material, said adsorbent cell comprising an enclosure including first and second substantially flat, perforated sheets disposed in spaced apart, parallel relationship, said enclosure being adapted to receive an adsorbent material between said sheets such that a gas may be passed transversely through the sheets and adsorbent material, a first aperture in said first sheet and a second aperture in said second sheet, said apertures being transversely aligned to define a transverse axis lying perpendicular to said first and second sheets, a receptacle mounted within said enclosure and extending between said first and second apertures, said receptacle comprising a. a side wall disposed about said transverse axis and defining a forward end adjacent said first aperture and a bottom end adjacent said second aperture, and b. an imperforate flat bottom flange fixedly connected to said bottom end of said side wall and lying perpendicular to said transverse axis, said bottom flange including an outer edge positioned radially outside of said side wall of said receptacle to thereby define an outer flange portion overlying that portion of said second sheet immediately surrounding said second aperture and adapted to prevent the gas from channeling between the adsorbent material in said enclosure and said receptacle side wall, and said bottom flange further including an inner opening positioned radially within said side wall of said receptacle to define an inner flange portion, a sample holder adapted to be filled with an adsorbent material and comprising a side wall, a perforated top end wall, and a perforated bottom end wall spaced from and parallel to said top end wall, said sample holder being configured to permit the same to be received within said receptacle in an operative position along said transverse axis and with one of said top and bottom end walls supported by said inner flange portion of said receptacle such that said top and bottom end walls are positioned parallel to said first and second perforated sheets, and means for removably mounting said sample holder within said receptacle in said operative position, whereby a representative portion of the gas passing transversely through the adsorber cell passes through said sample holder, and the holder may be removed to permit the testing of the adsorbent material carried therein. ### Claim 13 (depends on 12) The gas adsorber cell as defined in claim 12 wherein said first and second sheets of said enclosure and said top and bottom end walls of said sample holder are each fabricated from a material having substantially the same percentage of open area such that the gas flow rate per unit area through said holder will be substantially the same as the gas flow rate per unit area through the remainder of said enclosure. ### Claim 14 (depends on 13) The gas adsorber cell as defined in claim 13 wherein said sample holder further includes an inwardly directed flange carried by said side wall at each end thereof and such that each of said inwardly directed flanges overlies the periphery of the adjacent end wall to substantially prevent the gas from channeling between the adsorbent material in said holder and said side wall thereof. ### Claim 15 (depends on 14) The gas adsorber as defined in claim 14 further including a sealing ring adapted to overlie said inner flange portion to thereby provide a gas tight seal between said bottom flange and the adjacent inwardly directed flange of said sample holder when said sample holder is positioned in said operative position. ### Claim 16 (depends on 15) The gas adsorber as defined in claim 15 wherein said receptacle further comprises an imperforate flat top flange fixedly connected to said forward end of said receptacle side wall and lying perpendicular to said transverse axis, said top flange including an outer edge positioned radially outside of said side wall of said receptacle to thereby define an outer flange portion overlying that portion of said first screen immediately surrounding said first aperture, said top flange further including an inner opening of a size to permit said sample holder to be inserted into said receptacle along said transverse axis. ### Claim 17 A gas adsorber cell for use in high efficiency gas cleaning systems and the like and having provision for obtaining a representative and undisturbed sample of the adsorbent material to permit periodic testing of the efficacy of the adsorbent material, said adsorbent cell comprising an enclosure including first and second substantially flat, perforated sheets disposed in spaced apart, parallel relationship, said enclosure being adapted to receive an adsorbent material between said sheets such that a gas may be passed transversely through the sheets and adsorbent material, a first circular aperture in said first sheet and a second circular aperture in said second sheet, said apertures being transversely aligned to define a transverse axis lying perpendicular to said first and second sheets, a receptacle mounted within said enclosure and extending between said first and second apertures, said receptacle comprising a. a cylindrical side wall disposed coaxially about said transverse axis and defining a forward end adjacent said first aperture and a bottom end adjacent said second aperture, b. an imperforate circular flat bottom flange fixedly connected to said bottom end of said side wall and lying perpendicular to said transverse axis, said bottom flange including a circular outer edge coaxial with said transverse axis and having a diameter greater than that of said cylindrical side wall of said receptacle to thereby define an outer flange portion overlying that portion of said second sheet immediately surrounding said second aperture, and said bottom flange including a circular inner opening coaxial with said transverse axis and having a diameter less than said cylindrical side wall of said receptacle to define an inner flange portion, and c. an imperforate circular flat top flange fixedly connected to said forward end of said receptacle side wall and lying perpendicular to said transverse axis, said top flange including a circular outer edge coaxial with said transverse axis and having a diameter greater than that of said cylindrical side wall of said receptacle to thereby define an outer flange portion overlying that portion of said first sheet immediately surrounding said first aperture, and said top flange including a circular inner opening coaxial with said transverse axis and having a diameter substantially corresponding to that of said receptacle side wall, a sample holder adapted to be filled with an adsorbent material and comprising a cylindrical side wall, a perforated top end wall, and a perforated bottom end wall spaced from and parallel to said top end wall, said sample holder side wall having a diameter somewhat less than the diameter of said receptacle side wall such that said sample holder may be inserted into said receptacle along said transverse axis and through said top flange to thereby assume an operative position wherein one of said top and bottom end walls is supported by said inner flange portion of said receptacle and such that said top and bottom end walls are positioned parallel to said first and second perforated sheets, and means for removably mounting said sample holder within said receptacle in said operative position, whereby a representative portion of the gas passing transversely through the adsorber cell passes through said sample holder, and the holder may be removed to permit the testing of the adsorbent material carried therein. ### Claim 18 (depends on 17) The gas adsorber cell as defined in claim 17 wherein said means for removably mounting said sample holder within said receptacle includes a flat ring cover plate, said cover plate defining an outer edge having a diameter substantially corresponding to that of said outer edge of said top flange of said receptacle, and an inner opening having a diameter substantially corresponding to that of said circular inner opening of said bottom flange, and means for releasably connecting said cover plate to said top flange to thereby retain a sample holder within said receptacle in said operative position. ### Claim 19 (depends on 18) The gas adsorber cell as defined in claim 18 wherein said sample holder further includes an inwardly directed flange carried by said side wall at each end thereof, each of said inwardly directed flanges defining a circular opening having a diameter substantially equal to that of said circular inner opening of said cover plate.