US 11,786,689 B2
Gas concentrator with removable cartridge adsorbent beds
Brenton Alan Taylor, Kenwood, CA (US); Peter Hansen, Santa Barbara, CA (US); John Russell Stump, Santa Barbara, CA (US); Patrick Fitzlindon Burgess, Dunedin, FL (US); and Daniel Wayne Chin, Goleta, CA (US)
Assigned to Inogen, Inc., Goleta, CA (US)
Filed by Inogen, Inc., Goleta, CA (US)
Filed on Dec. 18, 2020, as Appl. No. 17/127,562.
Application 17/127,562 is a continuation of application No. 16/017,934, filed on Jun. 25, 2018, granted, now 10,869,986.
Application 16/017,934 is a continuation of application No. 14/142,613, filed on Dec. 27, 2013, granted, now 10,004,869, issued on Jun. 26, 2018.
Prior Publication US 2021/0244908 A1, Aug. 12, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/10 (2006.01); B01D 53/04 (2006.01); B01D 53/047 (2006.01); A61M 16/16 (2006.01); B01D 53/053 (2006.01)
CPC A61M 16/101 (2014.02) [A61M 16/10 (2013.01); B01D 53/047 (2013.01); B01D 53/0438 (2013.01); B01D 53/0476 (2013.01); A61M 16/107 (2014.02); A61M 16/16 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/42 (2013.01); A61M 2205/8206 (2013.01); B01D 53/053 (2013.01); B01D 2253/108 (2013.01); B01D 2256/12 (2013.01); B01D 2257/102 (2013.01); B01D 2258/06 (2013.01); B01D 2259/402 (2013.01); B01D 2259/4533 (2013.01); B01D 2259/4541 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A portable oxygen concentrator, comprising:
one of a PSA, VPSA or VSA core section comprising:
a housing;
a controller;
a user interface;
at least two adsorber beds;
at least one compressor;
an airblower;
a power supply module comprising at least one power supply;
an intake silencer, wherein the intake silencer and an exhaust muffler are a common structure; and
a compressor module comprising the at least one compressor and a compressor mount,
wherein the power supply module and the compressor module are configured to mate together, and when mated the combined modules and housing are configured to form a unitary cooling and acoustic damping air flow system and to direct cooling air over at least the adsorbent beds, the at least one compressor, and the at least one power supply; and
wherein the portable oxygen concentrator weighs less than 25 pounds, produces less than 50 dBA acoustic noise when operating, and has an output gas flow of 5 lpm or less.