Valve with bimetal means for refrigeration system

Claim 1

A FLUID FLOW CONTROL DEVICE COMPRISING, IN COMBINATION, MEANS DEFINING A FIRST FLUID FLOW PASSAGE, MEANS DEFINING AN ORIFICE IN SAID FIRST FLUID FLOW PASSAGE, VALVE MEANS MOUNTED FOR MOVEMENT IN TWO DIRECTIONS WITH RESPECT TO SAID ORIFICE FOR OPENING AND CLOSING SAID ORIFICE, MEANS CONNECTED TO AND BIASING SAID VALVE MEANS IN ONE OF SAID DIRECTIONS AND BIMETAL MEANS CONNECTED DIRECTLY TO SAID VALVE MEANS FOR MOVING SAID VALVE MEASN IN THE OTHER OF SAID DIRECTIONS, MEANS ARRANGED IN HEAT TRANSFERS RELATIONSHIP WITH SAID BIMETAL MEANS FOR HEATING SAID BIMETAL MEANS TO MOVE SAID VALVE MEANS TO ESTABLISH A BASE VALVE MEANS OPENING AND PREDETERMINED RATE OF FLUID FLOW THROUGH SAID ORIFICE, AND MEANS FOR CIRCULATING AT LEAST A PORTION OF SAID FLUID PAST SAID BIMETAL MEANS AFTER SAID FLUID HAS PASSED THROUGH SAID FLUID FLOW PASSAGE SO THAT HEAT TRANSFERS OCCURS BETWEEN SAID BIMETAL MEANS AND SAID FLUID TO MODULATE SAID VALVE MEANS ABOUT SAID BASE OPENING AND PREDETERMINED FLOW RATE IN ACCORDANCE WITH HEAT TRANSFER BETWEEN SAID BIMETAL MEANS AND SAID FLUID, SAID VALVE MEANS BEING BIASED TOWARD A CLOSED POSITION AND SAID BIMETAL BEING OPERATIVE IN RESPONSE TO AN INCREASE IN TEMPERATURE TO OPEN SAID VALVE MEANS, SAID BIMETAL MEANS COMPRISING A PLURALITY OF BIMETAL DISCS HAVING THEIR LENGTH EXPANSION SIDES ADJACENT EACH OTHER AND THEIR LOW EXPANSION SIDES ADJACENT EACH OTHER.