US 12,403,509 B2
In-situ state of fluid sensor
Yu Xin Zhou, Shanghai (CN); Yunfei Pan, Shanghai (CN); Xing Yi, Shanghai (CN); Bo Han, Shanghai (CN); and Defeng Lang, Delft (NL)
Assigned to Aktiebolaget SKF, Gothenburg (SE)
Filed by Aktiebolaget SKF, Gothenburg (SE)
Filed on Oct. 5, 2022, as Appl. No. 17/960,431.
Claims priority of application No. 202111239599.0 (CN), filed on Oct. 25, 2021.
Prior Publication US 2023/0128092 A1, Apr. 27, 2023
Int. Cl. G01N 11/16 (2006.01); B08B 3/02 (2006.01)
CPC B08B 3/024 (2013.01) [G01N 11/16 (2013.01); B08B 2240/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A sensor, comprising:
a flat rectangular sensing surface;
a housing, including a recess, the sensing surface being disposed at the bottom of the recess, and the recess including at least one side wall and an opening surrounding the sensing surface in the circumferential direction;
wherein a compressed fluid nozzle is provided in the at least one side wall, to eject a compressed fluid from the compressed fluid nozzle, to force a substance on the sensing surface to leave from the opening; and
wherein the sensing surface and the opening of the compressed fluid nozzle are the same width.