Sensor apparatus for primary battery system

Claim 1

IN A PRIMARY BATTERY SYSTEM WHEREIN STANDARD AMALGRAM OF PREDETERMINED ALKALI METAL CONCENTRATION FROM A SOURCE IS SUPPLIED TO A FUEL CELL FOR PRODUCING ELECTRICAL ENERGY AND DEPLETED AMALGAM IS REMOVED FROM THE FUEL CELL AND SENT TO A REGENERATION ZONE FOR RECEIVING ADDED ALKALI METAL, THE IMPROVEMENT IN APPARATUS FOR SUPPLYING THE ADDED ALKALI METAL WHICH COMPRISES A SENSOR FORMED OF COMPLEMENTAL UPPER AND LOWER CYLINDRICAL HOUSING SECTIONS EACH HAVING AN OPEN UPPER END AND A CENTRALLY APERTURED LOWER END, SAID UPPER SECTION HAVING A LOWER SKIRT PORTION EXTENDING INTO THE LOWER SECTION PROVIDING AN OUTER ANNULAR SPACE WITH THE LOWER SECTION SIDE WALL AND A COMMUNICATING TRANSVERSE SPACE WITH THE BOTTOM WALL OF THE LOWER SECTION, A CYLINDRICAL PARTITION MOUNTED CONCENTRICALLY OF THE UPPER SECTION HAVING AN OPEN LOWER END SECURED IN THE CENTRAL APERTURE OF THE BOTTOM WALL OF THE UPPER SECTION, SAID PARTITION PROVIDING A CENTRAL CHAMBER AND FORMING WITH THE SIDE WALL OF THE UPPER SECTION AN INNER ANNULAR CHAMBER HAVING A CLOSED LOWER END AND AN OPEN UPPER END FOR SUPPLYING A BODY OF STANDARD AMALGRAM THERETO, SAID CENTRAL APERTURE OF THE LOWER HOUSING SECTION PROVIDING FOR THE SUPPLY OF DEPLETED AMALGAM TO THE CENTRAL CHAMBER AND A CONDUIT IN COMMUNICATION WITH THE OUTER ANNULAR SPACE PROVIDING FOR THE MAINTENANCE OF A BODY OF DEPLETED AMALGAM IN THE CENTRAL CHAMBER,