Absorption refrigeration system of the inert gas type

Claim 1

AIR-COOLED HERMETICALLY SEALED ABSORPTION REFRIGERATION APPARATUS OF THE INERT GAS TYPE COMPRISING AN ABSORPTION SOLUTION CIRCUIT INCLUDING AN ABSORBER AND A GENERATOR HAVING A VAPOR-LIQUID LIFT PUMP TO WHICH HEAT IS APPLIED, SAID ABSORBER COMPRISING PIPING PROVIDING AN ELONGATED PATH OF FLOW FOR ABSORPTION SOLUTION HAVING AN INLET AT ONE LEVEL AND AN OUTLET AT A LOWER LEVEL FOR GRAVITY FLOW OF ABSORPTION SOLUTION THERETHROUGH AND FORMING THE PRIMARY REGION IN WHICH REFRIGERANT VAPOR IS ABSORBED INTO SOLUTION DURING NORMAL OPERATION OF THE REFRIGERATION APPARATUS, A VESSEL FOR HOLDING A BODY OF LIQUID IN LIQUID COMMUNICATION WITH LIQUID IN THE ABSORPTION LIQUID CIRCUIT, SAID VESSEL COMPRISING TOP AND BOTTOM RIGID WALL MEANS AND UPSTANDING RIGID SIDE WALL MEANS THEREBETWEEN WHICH PROVIDES A SINGLE VERTICALLY EXTENDING SPACE FOR HOLDING THE BODY OF LIQUID IN SAID VESSEL, SAID VESSEL HAVING A MAJOR VERTICAL AXIS AND FORMING A COMPONENT OF SAID HERMETICALLY SEALED REFRIGERATION APPARATUS WITH SAID SPACE THEREIN HAVING A CONSTANT VOLUME WITH CHANGES IN OPERATING CONDITIONS UNDER WHICH THE APPARATUS OPERATES WHICH INCLUDES CHANGES IN TEMPERATURE OF AMBIENT AIR, MEANS OPERABLE TO EFFECT DISTRIBUTION OF ABSORPTION SOLUTION AND REFRIGERANT IN THE APPARATUS IN ACCORDANCE WITH CHANGE IN OPERATING CONDITIONS UNDER WHICH THE APPARATUS OPERATES WHICH INCLUDES CHANGE IN TEMPERATURE OF AMBIENT AIR, EFFECTING SUCH DISTRIBUTION OF ABSORPTION SOLUTION AT LEAST IN PART BY TRANSFERRING ABSORPTION SOLUTION BETWEEN SAID VESSEL AND SAID ABSORPTION SOLUTION CIRCUIT SOLELY BY CHANGES IN THE OPERATING CONDITION OF THE VAPOR-LIQUID LIFT PUMP, AN INERT GAS CIRCUIT FOR CIRCULATION OF INERT GAS, SAID INERT GAS CIRCUIT INCLUDING AN EVAPORATOR AND SAID ABSORBER PIPING AND SAID ABSORPTION SOLUTION CIRCUIT INCLUDING SAID ABSORBER PIPING AND SAID GENERATOR, AND MEANS FOR CONNECTING SAID VESSEL TO AT LEAST ONE OF SAID CIRCUITS, SAID CONNECTING MEANS FUNCTIONING TO POSITION SAID VESSEL LATERALLY WITH RESPECT TOP SAID ONE CIRCUIT WITH SAID VESSEL SERVING AS A DEAD-END BRANCH FOR HOLDING THEREIN THE BODY OF LIQUID WHICH INCLUDES ABSORPTION LIQUID AND REFRIGERANT.