Electrode construction in oxygen sensor

• US 3,334,039 A
• Filed: 01/06/1964
• Issued: 08/01/1967
• Est. Priority Date: 01/06/1964
• Status: Expired due to Term

• Current Assignee: Floyd J. Vlasak
• Original Assignee: Floyd J. Vlasak
• Inventors: Vlasak, Floyd J.
• Application Number:
  US04/335,725
• Time in Patent Office: 1,303 Days
• US Class Current: 204/415
• CPC Class Codes: G01N 27/404 Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid , e.g. Clark-type oxygen sensors

Claims

1. AN ELECTRODE ASSEMBLY COMPRISING AN ELECTRODE BODY, AN ELECTROLYTE CHAMBER DEFINED BY SAID ELECTRODE BODY AT AN END THEREOF, AN OXYGEN PERMEABLE MEMBRANE SEALINGLY OVERLYING SAID ELECTROLYTE CHAMBER, BORE MEANS DEFINED BY SAID ELECTRODE BODY INTERCONNECTING SAID ELECTROLYTE CHAMBER AND THE OTHER END OF SAID ELECTRODE BODY, A CATHODE WIRE AND AN ANODE WIRE OF SUBSTANTIALLY LESSER DIAMETER THAN SAID BORE MEANS EXTENDING THERETHROUGH INTO SAID ELECTROLYTE CHAMBER AND TERMINATING IN A PAIR OF CONCENTRIC SUBSTANTIALLY CIRCULAR LOOP PORTIONS SUBSTANTIALLY COAXIAL WITH SAID ELECTROLYTE CHAMBER, THE DIAMETER OF THE CATHODE LOOP BEING LESS THAN THE DIAMETER OF THE ANODE LOOP, A SUPPORTING MEMBER OVERLYING SAID MEMBRANE HAVING AN APERTURE IN VERTICAL ALIGNMENT WITH THE LOOP PORTION OF SAID CATHODE WIRE, AND RESILIENT FILLER MEANS SEALINGLY MOUNTING EACH OF SAID CATHODE AND ANODE WIRES IN SAID BORE MEANS.