US 11,746,681 B2
Muffler
Rafael Vargas, Vernal, UT (US); Jordan H. Bodily, Vernal, UT (US); and Carl R. Taylor, Bountiful, UT (US)
Assigned to R&R HOLDING & LEASING, Vernal, UT (US)
Filed by R&R Holding & Leasing, Vernal, UT (US)
Filed on Feb. 4, 2022, as Appl. No. 17/592,783.
Application 17/592,783 is a continuation of application No. 16/263,888, filed on Jan. 31, 2019, granted, now 11,242,782.
Prior Publication US 2022/0154609 A1, May 19, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F01N 1/08 (2006.01)
CPC F01N 1/082 (2013.01) [F01N 2470/02 (2013.01); F01N 2490/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A muffler, comprising:
an inner chamber at least partially defined by a removable outer shell extending between first and second endplates;
an inlet and an outlet;
first, second, and third tubes disposed within the inner chamber, of the first tube communicating with the inlet of the muffler and the second tube communicating with the outlet of the muffler, the first, second, and third tubes being arranged in a triangular manner with two of the tubes disposed within a common plane and the other tube disposed in a separate plane;
a plurality of holes extending through each of the plurality of tubes; and
a diffusion bracket disposed within the inner chamber and downstream from an outlet of one of the plurality of tubes.