US 11,988,405 B2
Air duct and an assembly for a fume extraction hood
Hans-Joachim Naber, Nordhorn (DE)
Assigned to Naber Holding Gmbh & Co., (DE)
Filed by Naber Holding Gmbh & Co., Nordhorn (DE)
Filed on May 20, 2022, as Appl. No. 17/749,553.
Claims priority of application No. 102021113247.9 (DE), filed on May 21, 2021.
Prior Publication US 2022/0373215 A1, Nov. 24, 2022
Int. Cl. F24F 13/02 (2006.01); F24C 15/20 (2006.01)
CPC F24F 13/0245 (2013.01) [F24C 15/20 (2013.01); F24F 2221/36 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An air duct, which extends essentially in a longitudinal direction (X), comprising a duct wall which encloses a flow cross section and, on its inner side, has at least one fastening means for fastening at least one functional element, which is mounted in the air duct, in a variable position in the longitudinal direction (X) of the duct; wherein the fastening means has at least two undercut latching sections, wherein the functional element can be pushed onto the fastening means in the longitudinal direction (X) of the duct; and wherein the functional element includes two snap-in legs that engage behind the undercut latching sections to secure the functional element in the air duct.