US 12,298,027 B2
Chamberless wide area duct smoke detector
David L. Lincoln, Cromwell, CT (US); Marcin Piech, East Hampton, CT (US); Slade R. Culp, Coventry, CT (US); Joseph Anthony Vidulich, Englewood, FL (US); Rick Wolf, Sarasota, FL (US); Michael J. Birnkrant, Wethersfield, CT (US); Michael T. Gorski, Clinton, CT (US); Kyle Aaron, Torrington, CT (US); and Devis Dishnica, Oakville, CT (US)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Sep. 29, 2022, as Appl. No. 17/956,335.
Application 17/956,335 is a division of application No. 16/819,442, filed on Mar. 16, 2020, granted, now 11,493,229.
Claims priority of provisional application 62/821,128, filed on Mar. 20, 2019.
Prior Publication US 2023/0028619 A1, Jan. 26, 2023
Int. Cl. F24F 13/00 (2006.01); G01N 15/06 (2006.01); F24F 110/64 (2018.01); G01N 15/075 (2024.01)
CPC F24F 13/00 (2013.01) [G01N 15/06 (2013.01); F24F 2110/64 (2018.01); G01N 15/075 (2024.01)] 6 Claims
OG exemplary drawing
 
1. A heating ventilation and air condition system comprising:
a duct having a hollow interior;
at least one detector assembly mounted to the duct, the at least one detector assembly including:
an outer housing having at least one through hole formed therein;
an inner sampling support slidably receivable within the outer housing, the inner sampling support being rotatable relative to the outer housing when received within the outer housing; and
at least one detector mounted to the inner sampling support, the at least one detector being aligned with at least one through hole of the outer housing relative to a direction of flow through the duct when the inner sampling tube is installed within the outer housing, wherein the at least one detector is arranged in fluid communication with the hollow interior of the duct and is operable to detect a hazardous condition within the hollow interior of the duct.