US 12,010,766 B2
Window heating apparatus
Ondrej Jemelka, Kokory (CZ); Jan Adamek, Brno (CZ); Radek Stupka, Brno (CZ); and Marek Fikera, Brno (CZ)
Assigned to Honeywell International Inc., Morris Plains, NJ (US)
Filed by Honeywell International Inc., Morris Plains, NJ (US)
Filed on Nov. 22, 2019, as Appl. No. 16/692,706.
Prior Publication US 2021/0160969 A1, May 27, 2021
Int. Cl. H05B 3/84 (2006.01); G01N 21/03 (2006.01); G01N 21/3504 (2014.01); G01N 33/00 (2006.01); G02B 7/02 (2021.01); G02B 27/00 (2006.01); H05B 3/26 (2006.01)
CPC H05B 3/84 (2013.01) [G01N 21/0332 (2013.01); G01N 21/3504 (2013.01); G01N 33/0029 (2013.01); G02B 7/028 (2013.01); G02B 27/0006 (2013.01); H05B 3/26 (2013.01); H05B 2214/02 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A radiation-based gas detector, comprising:
a frame comprising:
a support member, and
a ridge extending radially outward from an inner surface of the frame, wherein the frame defines a groove proximal to the ridge;
a heater assembly comprising:
a base defining a first opening, and at least one tooth extending radially from a periphery of the first opening; and
a printed circuit board having at least one heating element and defining a second opening, wherein the first opening and the second opening are aligned coaxially, the at least one heating element is disposed on the at least one tooth and the at least one heating element is placed outside the ridge; and
a glass window disposed adjacent the heater assembly, wherein the glass window is coupled to the support member of the frame,
wherein the base of the heater assembly is squeezed between the ridge of the frame and the glass window,
wherein the groove is configured to absorb pressure applied on the glass window, and
wherein a channel is defined between the glass window and the frame to vent gases.