US 11,852,059 B2
Noise muffler for an air moving device
Sina Jasteh, Montgomery, AL (US); and William Simard, West Sand Lake, NY (US)
Assigned to Rheem Manufacturing Company, Atlanta, GA (US)
Filed by Rheem Manufacturing Company, Atlanta, GA (US)
Filed on Jul. 22, 2022, as Appl. No. 17/871,719.
Application 17/871,719 is a continuation of application No. 16/725,648, filed on Dec. 23, 2019, granted, now 11,415,032.
Prior Publication US 2023/0041732 A1, Feb. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F24F 13/24 (2006.01); F04D 29/66 (2006.01); G10K 11/16 (2006.01); F01N 1/24 (2006.01)
CPC F01N 1/24 (2013.01) [F24F 13/24 (2013.01); F24F 2013/242 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A water heater comprising:
a blower comprising a gas inlet and an air inlet; and
a noise muffler comprising:
an air intake portion;
an air outlet portion;
a first foam component; and
a second foam component disposed adjacent to the first foam component, wherein the first foam component and the second foam component together are configured to direct air through the noise muffler in three dimensions;
wherein air enters the noise muffler via the air intake portion, and noise exits the noise muffler via the air intake portion; and
wherein the air exits the noise muffler via the air outlet portion, and the noise enters the noise muffler via the air outlet portion.