Patents by Inventor Andre M. Chamberland

Andre M. Chamberland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Solid sensor for anhydrides
    Patent number: 4388155
    Abstract: The invention concerns a detector for anhydrides, present in the air or stack gases, which comprises a solid state electrolyte element containing oxy-anions of the particular anhydride to be detected. This solid state element is provided with metal areas to which potentiometric measuring means are connected. The detecting element is, preferably, sintered and may consist of one or several juxtaposed solid state compounds, according as the reference source is a gas or a solid state electrode, respectively. The electrolyte element is heated to a temperature not exceeding its fusion point. In addition, particular arrangements are provided to compensate for the oxygen content variations in air due to varying measurement conditions.
    Type: Grant
    Filed: July 31, 1980
    Date of Patent: June 14, 1983
    Assignee: Hydro-Quebec
    Inventors: Andre M. Chamberland, Michel Gauthier
  • Solid state sensor for anhydrides
    Patent number: 4282078
    Abstract: The invention concerns a detector for anhydrides, present in the air or stack gases, which comprises a solid state electrolyte element containing oxy-anions of the particular anhydride to be detected. This solid state element is provided with metal areas to which potentiometric measuring means are connected. The detecting element is, preferably, sintered and may consist of one or several juxtaposed solid state compounds, according as the reference source is a gas or a solid state electrode, respectively. The electrolyte element is heated to a temperature not exceeding its fusion point. In addition, particular arrangements are provided to compensate for the oxygen content variations in air due to varying measurement conditions.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: August 4, 1981
    Assignee: Hydro-Quebec
    Inventors: Andre M. Chamberland, Michel Gauthier