Patent number: 11141552
Abstract: The application discloses a noise attenuating system (100, 200, 300, 400, 700, 800) for use with a positive airway pressure system providing a flow of gas, comprising: an expansion chamber (140, 240, 340, 434, 740) having a volume; an intake tube (115, 215, 315, 415, 715, 815) having an inlet (117, 217, 317, 410, 717, 812) and outlet port or portion separated by a length, wherein a portion of the inlet port or portion extends outside of the expansion chamber; and either: a noise attenuator (110, 120, 170, 210, 220, 223, 224, 226, 228, 232, 270, 320, 411, 413, 422, 423, 424, 425, 426, 428, 431, 720, 722) having a bottom and protruding sidewall forming a cavity, wherein the noise attenuator is positioned near the inlet portion of the intake tube such that a portion of the intake tube extends into the cavity of the noise attenuator; or: an acoustic deflector (110, 120, 170, 210, 220, 223, 224, 226, 228, 270, 232, 320, 411, 413, 422, 423, 424, 425, 426, 428, 431, 720, 722) positioned near the outlet port or porti
Type:
Grant
Filed:
March 17, 2014
Date of Patent:
October 12, 2021
Assignee:
BREAS MEDICAL, INC.
Inventors:
Kevin Scott Librett, Karl R Leinsing