US 11,952,928 B2
Exhaust system for a work vehicle
Thorsten Thomassik, Mannheim (DE); Peter Kuegler, Frankenthal (DE); Robert Kuczkowski, Kirchheimbolanden (DE); Sathish Thirumalai, Chennai (IN); and Johanna Faltin, Lambsheim (DE)
Assigned to DEERE & COMPANY, Moline, IL (US)
Filed by DEERE & COMPANY, Moline, IL (US)
Filed on Jan. 30, 2023, as Appl. No. 18/161,111.
Claims priority of application No. 102022107706.3 (DE), filed on Mar. 31, 2022.
Prior Publication US 2023/0313726 A1, Oct. 5, 2023
Int. Cl. F01N 13/14 (2010.01); F01N 13/00 (2010.01); F01N 13/18 (2010.01)
CPC F01N 13/14 (2013.01) [F01N 13/008 (2013.01); F01N 13/141 (2013.01); F01N 13/143 (2013.01); F01N 13/1811 (2013.01); F01N 13/1816 (2013.01); F01N 2260/20 (2013.01); F01N 2560/026 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An exhaust system with a multipiece heat shield for a work vehicle, comprising:
a first shield part which surrounds an aftertreatment unit for aftertreating exhaust gases, the first shield part extending in an axial direction; and
a second shield part which surrounds an exhaust tailpipe with radial spacing between the second shield part and the exhaust tailpipe, the second shield part extending in the axial direction from the first shield part, wherein a radial gap between the first and second shield parts is sealed by a seal;
wherein the seal has a movable sealing lip which delimits an axial seal opening for receiving the second shield part, wherein in a starting position of the seal, the seal opening is smaller than a cross-section of an outer wall of the second shield part, and in a sealing position of the seal, the sealing lip lies against the outer wall of the second shield part.