Filtration and recirculation system for deep fat cooking apparatus

Claim 1

IN A DEEP FAT FRYER INCLUDING A SUPPORT AND A TANK MOUNTED IN THE SUPPORT ADAPTED TO HOLD LIQUID FAT AT ELEVATED TEMPERATURES AND HAVING AN UPPER FAT INLET AND A LOWER FAT OUTLET, AN APPARATUS FOR MAINTAINING THE FAT IN THE TANK AT A PREDETERMINED LEVEL AND FOR CONTINUOUSLY RECIRCULATING AND FILTERING THE FACT COMPRISING A FILTER MOUNTED IN THE SUPPORT HAVING AN UPPER INLET CONNECTED IN FLUID COMMUNICATION WITH THE LOWER OUTLET OF THE TANK, A LOWER LIQUID OUTLET, AND MEANS IN THE FILTER FOR REMOVING FOREIGN PARTICLES FROM LIQUID FAT PASSING FROM THE INLET OF THE FILTER TO THE OUTLET THEREOF; A DELIVERY CONDUIT INTERCONNECTING THE FAT INLET IN THE TANK AND THE OUTLET IN THE FILTER; A PUMP CONNECTED IN THE DEIVERY CONDUIT FOR RECIRCULATING LIQUID FAT FROM THE TANK INTO THE FILTER AND BACK INTO THE TANK; A LIQUID FAT RESERVOIR HAVING AN OUTLET AND BEING CONNECTED TO PRESSURE MEANS FOR FORCING SUCH FAT OUT OF THE RESERVOIR THROUGH SAID OUTLET; A RESERVOIR CONDUCTOR PROVIDING FLUID CONNECTION BETWEEN THE FILTER AND OUTLET OF THE RESERVOIR; A RESERVOIR VALVE CONNECTED IN THE RESERVOIR CONDUCTOR; ELECTROMAGNETIC MEANS CONNECTED TO THE VALVE FOR OPENING AND CLOSING THE SAME WHEREBY WITH THE VALVE OPEN, SAID PRESSURE MEANS PASSES FAT FROM THE RESERVOIR INTO THE FILTER; AND A THERMOSTAT CONNECTED TO THE ELECTROMAGNETIC MEANS AND EXTENDED INTO THE TANK FOR OPERATING THE ELECTROMAGNETIC MEANS TO CLOSE THE VALVE WHEN SUBMERSED IN LIQUID FAT IN THE TANK AND FOR OPERATING THE ELECTROMAGNETIC MEANS TO OPEN THE VALVE WHEN THE LEVEL OF THE LIQUID FAT IN THE TANK FALLS BELOW THE THERMOSTAT.