Water cooling system for refrigerating fixtures, and fixture therefor

Claim 1

A REFRIGERATED DISPLAY CASE HAVING A DISPLAY SPACE THEREIN, SAID CASE BEING PROVIDED WITH AN INSULATED REAR WALL, AN INSULATED FRONT WALL AND AN INSULATED BOTTOM, THE BOTTOM HAVING A LOWER REAR PORTION AND AN ELEVATED FRONT PORTION CONNECTED TO THE REAR PORTION OF THE BOTTOM BY A VERTICAL WALL, SAID WALLS AND BOTTOM COOPERATING TO FORM A WELL ABOVE THE REAR PORTION OF THE BOTTOM OF THE CASE, AN EVAPORATOR IN SAID WELL, A DUCT SYSTEM ABOVE THE BOTTOM OF THE CASE HAVING MEANS THEREIN FOR CIRCULATING AIR OVER SAID EVAPORATOR TO AND FROM SAID DISPLAY SPACE, A SERVICE COMPARTMENT EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID CASE AND LOCATED BENEATH THE ELEVATED FRONT PORTION OF THE BOTTOM OF THE CASE IN FRONT OF SAID VERTICAL WALL, A FRAME IN SAID SERVICE COMPARTMENT SUPPORTING THE ELEVATED FRONT PORTION OF THE BOTTOM OF THE CASE, A CLOSURE PLATE CLOSING THE FRONT OF THE SERVICE COMPARTMENT, A COMPRESSOR AND A CONDENSER LOCATED IN THE SERVICE COMPARTMENT AND CONNECTED TO SAID EVAPORATOR SAID CONDENSER BEING OF THE WATER-COLLED TYPE, SUPPORT MEANS MOUNTED ON SAID FRAME, COOLING WATER SUPPLY AND RETURN PIPES EXTENDING SUBSTANTIALLY THE FULL LENGTH OF SAID SERVICE COMPARTMENT AND MOUNTED ON SAID SUPPORT MEANS, CONNECTIONS EXTENDING FROM SAID COOLING WATER SUPPLY AND RETURN PIPES TO SAID CONDENSER AND OTHER CONNECTIONS EXTENDING FROM THE COOLING WATER SUPPLY PIPE TO A SOURCE OF COOLING WATER EXTERNAL TO THE CASE AND FROM SAID COOLING WATER RETURN PIPE TO WATER RECEIVING MEANS EXTERNAL TO SAID CASE.