Means for transferring fluids in an absorption refrigeration system

Claim 1

THE COMBINATION WITH AN ABSORPTION REFRIGERATION SYSTEM OF THE DIFFERENTIAL PRESSURE TYPE WHEREIN A SOLUTION OF REFRIGERANT AND AN ABSORBENT CIRCULATE, A GENERATOR DISPOSED IN THE HIGH PRESSURE SIDE OF THE SYSTEM, AN ABSORBER DISPOSED IN THE LOW PRESSURE SIDE OF THE SYSTEM, CONDUITS FORMING A CIRCUIT FOR FLOW OF REFRIGERANT AND ABSORBENT THROUGH AND BETWEEN THE GENERATOR AND ABSORBER, OF A PUMP INTERPOSED IN SAID CIRCUIT FOR FORCING CIRCULATION OF FLUIDS THROUGH THE CIRCUIT, COMPRISING A FIRST SOLUTION DISPLACEMENT MEANS, A SECOND SOLUTION DISPACEMENT MEANS, A POWER PISTON INTERCONNECTING THE SAID FIRST AND SECOND SOLUTION DISPLACEMENT MEANS AND HAVING ONE AND THEREOF EXPOSED TO EXISTING PRESSURES IN THE FIRST SOLUTION DISPLACEMENT MEANS AND THE OPPOSITE END THEREOF EXPOSED TO EXISTING PRESSURES IN THE SECOND SOLUTION DISPLACEMENT MEANS, AND MEANS FOR ALTERNATELY COMMUNICATING ONE SOLUTION DISPLACEMENT MEANS TO THE HIGH PRESSURE SIDE OF THE SYSTEM WHILE SIMULTANEOUSLY COMMUNICATING THE OTHER SOLUTION DISPLACEMENT MEANS TO THE LOW PRESSURE SIDE OF THE SYSTEM TO ACTUATE THE PISTON AND SOLUTION DISPLACEMENT MEANS BY SYSTEM FORCES ACTING ON OPPOSITE ENDS OF THE PISTON.