US 12,332,140 B2
Compact sensor component for harsh environments
Christian Mix, Landshut (DE); Mark Stronczek, Munich (DE); and Helmut Hartl, Klosterneuburg (AT)
Assigned to SCHOTT AG, Mainz (DE)
Filed by SCHOTT AG, Mainz (DE)
Filed on Dec. 22, 2021, as Appl. No. 17/559,023.
Application 17/559,023 is a continuation of application No. PCT/EP2020/066792, filed on Jun. 17, 2020.
Claims priority of application No. 19181876 (EP), filed on Jun. 22, 2019.
Prior Publication US 2022/0113221 A1, Apr. 14, 2022
Int. Cl. G01M 15/10 (2006.01); G01N 27/416 (2006.01)
CPC G01M 15/104 (2013.01) [G01N 27/4162 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A sensor component for application temperatures above 700° C., comprising:
a feedthrough element made of metal, the feedthrough element having a through-hole with a through-hole inner wall;
an insulation element in the through-hole of the feedthrough element, the insulation element being joined with the feedthrough element so that there is a physical and/or a chemical bond between the insulation element and the through-hole inner wall,
wherein the feedthrough element has a first outer diameter (D),
wherein the insulation element has a second outer diameter (Da), a volume (V), and a height (H),
wherein the through-hole has a diameter (Dh) that corresponds to the second outer diameter (Da),
wherein the first outer diameter (D), the diameter (Dh), the second outer diameter (Da), the volume (V), and the height (H) have dimensions selected from a group consisting of: the height (H) from 2 to 20 mm, the first outer diameter (D) from 2 to 30 mm, a ratio of V/D from 0.2 to 100, a ratio of V/D from 1 to 50, a ratio of V/D from 2 to 20, a ratio H/D from 0.15 to 1.2, a ratio H/D from 0.2 to 1.0, a ratio H/D from 0.4 to 0.8, and any combinations thereof, and
wherein an extension portion of the insulation element has an outer diameter that is less than the through-hole diameter (Dh) of the feedthrough element so that a gap is formed between the inner wall of the through-hole and the extension portion of the insulation element.