US 12,065,952 B2
Muffler comprising one or more sensor ports
Koen Defossez, Kuurne (BE); and Lode A. Demonie, Staden (BE)
Assigned to CNH Industrial America LLC, New Holland, PA (US)
Filed by CNH Industrial America LLC, New Holland, PA (US)
Filed on Jun. 30, 2022, as Appl. No. 17/855,783.
Claims priority of application No. 21183001 (EP), filed on Jun. 30, 2021.
Prior Publication US 2023/0003148 A1, Jan. 5, 2023
Int. Cl. F01N 1/02 (2006.01); F01N 13/00 (2010.01); F16J 15/02 (2006.01)
CPC F01N 1/02 (2013.01) [F01N 13/008 (2013.01); F16J 15/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A muffler comprising:
an inner wall;
an outer wall;
at sensor port comprising a boss configured to receive a sensor, wherein the boss is fixed to the inner wall, and wherein the outer wall defines an opening around the boss; and
a sealing assembly comprising:
one or more cover plates comprising at least an outer cover plate coupled to the outer wall, the one or more cover plates defining an opening that overlaps the opening around the boss; and
at washer-type element comprising:
a planar portion positioned between the muffler and the outer cover plate, the planar portion defining an aperture; and
a tube portion protruding from an edge of the aperture of the planar portion and through the opening of the outer cover plate or the opening of the outer wall of the muffler, the tube portion receiving the boss of the sensor port therethrough,
wherein:
the washer-type element moves with the boss in a direction parallel to the outer wall of the muffler and relative to the outer wall and the one or more cover plates.