Refrigeration system and elements thereof

Claim 1

A REFRIGERATED FIXTURE HAVING A DISPLAY SPACE THEREIN, AIR DUCTS FOR DIRECTING REFRIGERATED AIR THROUGH SAID FIXTURE TO REFRIGERATE SAID DISPLAY SPACE, A CHAMBER IN SAID FIXTURE SEPARATED FROM THE DISPLAY SPACE BY AN INSULATED WALL HAVING AN OPENING THERETHROUGH, SAID AIR DUCTS HAVING THE ENDS THEREOF TERMINATING ADJACENT SAID OPENING IN THE INSULATED WALL OF THE CHAMBER AND COMMUNICATING WITH SAID CHAMBER, A UNIT EMBODYING A COMPRESSOR, A WATER-COOLED CONDENSER AND AN EVAPORATOR MOUNTED ON A SUPPORT MOVABLE INTO AND OUT OF A PREDETERMINED POSITION IN SAID CHAMBER, SAID UNIT INCLUDING A REFRIGERATION AIR PASSAGE HAVING SAID EVAPORATOR LOCATED THEREIN, SAID REFRIGERATION AIR PASSAGE HAVING OPPOSETE ENDS THEREOF REGISTERING WITH SAID OPENING IN THE INSULATED WALL OF THE CHAMBER AND COMMUNICATING WITH THE ENDS OF THE DUCTS IN SAID CHAMBER WHEN SAID UNIT IS IN SAID PREDETERMINED POSITION, MEANS FOR CIRCULATING AIR THROUGH SAID DUCTS AND REFRIGERATION AIR PASSAGE, SAID CONDENSER HAVING COOLING WATER INLET AND OUTLET PIPES, COOLING WATER SUPPLY LINES EXTENDING TO POINTS ADJACENT SAID FIXTURE AND PROVIDED WITH DETACHABLE CONNECTIONS REGISTERABLE WITH THE COOLING WATER INLET AND OUTLET PIPES OF THE CONDENSER WHEN SAID UNIT IS IN SAID PREDETERMINED POSITION IN SAID CHAMBER, AND VALVE MEANS CONTROLLING THE FLOW OF COOLING WATER FROM SAID COOLING WATER SUPPLY LINE TO SAID CONDENSER.