Capacity control for absorption refrigeration

Claim 1

IN AN ABSORPTION SYSTEM INCLUDING AN ABSORBER HOLDING WEAK SOLUTION, A GENERATOR HOLDING HOT STRONG SOLUTION, AN EVAPORATOR CONNECTED TO CHILL A FLUID PASSING THERETHROUGH, AND A CONDENSER, SAID RESPECTIVE MEMBERS BEING CONNECTED TO FORM A CLOSED SYSTEM CIRCULATING A SALINE SOLUTION CONSISTING OF VAPORIZABLE REFRIGERANT AND AN ABSORBENT MATERIAL, THE COMBINATION THEREWITH OF: (A) A PUMPING CIRCUIT INCLUDING A PUMP CONNECTED TO THE ABSORBER AND CIRCULATING WEAK SOLUTION RECEIVED FROM SAID ABSORBER FOR INTRODUCTION TO THE LATTER, (B) A HEAT EXCHANGER HAVING INLET AND OUTLET MEANS, (C) AT LEAST ONE OF SAID HEAT EXCHANGER INLET MEANS BEING CONNECTED TO THE ABSORBER AND RECEIVING WEAK SOLUTION THEREFROM FOR INTRODUCTION TO THE GENERATOR, (D) A FIRST LINE COMMUNICATING SAID GENERATOR WITH ANOTHER OF SAID HEAT EXCHANGER INLET MEANS AND CARRYING HOT SOLUTION INTO HEAT EXCHANGE CONTACT WITH WEAK SOLUTION THEREIN, (E) A RECEIVER CONNECTED TO THE DOWNSTREAM SIDE OF THE HEAT EXCHANGER RECEICING AND HOLDING COOLED CONCENTRATED SOLUTION, (F) A SECOND LINE COMMUNICATING SAID ABSORBER WITH THE RECEIVER AND CARRYING A STEAM OF WEAK SOLUTION FOR INTRODUCTION TO THE LATTER TO INTERMIX WITH SOLUTION CONTAINED THEREIN, AND (G) CONDUIT MEANS COMMUNICATING SAID RECEIVER WITH SAID PUMPING MEANS FOR INTRODUCING A MIXTURE OF INTERMEDIATE STRENGTH SOLUTION FROM THE RECEIVER WITH WEAK SOLUTION IN SAID PUMPING CIRCUIT.