Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Non-dispersive mid-infrared sensor for vaporized hydrogen peroxide










Image Number 6 for United States Patent #6875399.

A sterilization system (14) includes a sensor (10) for detection of a component, such as hydrogen peroxide vapor, in a multi-component vapor, such as a mixture of vapor hydrogen peroxide and water supplied to a chamber (12) of the system. The sensor preferably uses a wavelength range in which hydrogen peroxide strongly absorbs but other components of the vapor, such as water, do not. A suitable wavelength for detection of hydrogen peroxide is from about 7500 to about 8400 nm, since there is little absorption by water in this range. This avoids the need to use complex subtraction procedures normally used to remove the contribution of water from detected absorbance measurements. A control system (16, 30) controls operating conditions of the sterilization system, such as a heater (82), pressure release valves (74), vaporization rate of hydrogen peroxide by a vaporizer (22), and the like to maintain optimum sterilization conditions within the chamber.








 
 
  Recently Added Patents
Curable compositions of ionic silicones
Light fitting
Lesion area extraction apparatus, method, and program
Downhole analysis of solids using terahertz spectroscopy
High density cathode materials for secondary batteries
Common data channel resource usage report
Semiconductor devices
  Randomly Featured Patents
Self clamping zero voltage switching DC transformers
Personal handyphone system (PHS) mobile radio station with efficient resynchronization capability
Herbicidal composition
Coffee machine for a car
Resistor adapted for use in forced ventilation dynamic braking applications
Hard disk drive off track event method and device
Table clock
Water treatment installation for a tangential filtration loop
Apparatus for mounting a cylindrical item, such as an x-ray tube, to a surface
Overerase correction method