Patent · US Expired

Air purge system for optical sensor

US6890080B2 · kind B2 · utility

7Cited by
16References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 2003
Grant dateMay 10, 2005
Priority date
Expiry dateMar 8, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S359/90
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An air purge system for an optical sensor is disclosed. The air purge system includes a two sided lens having an optical sensor positioned on the first side and a fluid stream on the second side. The air purge system further includes, a plenum having an inlet, an array of parallel channels and an outlet, whereby the array of parallel channels, is disposed between the inlet and the outlet. The outlet is positioned on the second side of the housing and may be adapted to direct a fluid stream substantially parallel to the second side of the lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.