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Cooling system for internal combustion engines

  • US 3,134,371 A
  • Filed: 10/29/1962
  • Issued: 05/26/1964
  • Est. Priority Date: 10/29/1962
  • Status: Expired due to Term
First Claim
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1. A METHOD OF COOLING AN INTERNAL COMBUSTION ENGINE OF THE TYPE HAVING A COOLING JACKET, A RADIATOR, AND A SUPERCHARGER AND AFTERCOOLER FOR THE AIR SUPPLY TO THE ENGINE, SAID METHOD COMPRISING:

  • PROVIDING A LARGE RECIRCULATING FLOW OF COOLING FLUID THROUGH THE JACKET OF THE ENGINE IN A FIRST CIRCUIT THAT DOES NOT INCLUDE SAID RADIATOR, PROVIDING A SMALLER RECIRCULATING FLOW THROUGH THE RADIATOR AND THE AFTERCOOLER IN A SECOND COOLANT CIRCUIT, BLEEDING A STREAM OF FLUID FROM THE FIRST MENTIONED COOLANT CIRCUIT TO THE SECOND COOLANT CIRCUIT IN RESPONSE TO A RISE IN ENGINE TEMPERATURE, AND CAUSING AN EQUAL AMOUNT OF FLUID TO RETURN FROM THE SECOND COOLANT CIRCUIT TO THE FIRST, AND DECREASING THE INTERFLOW BETWEEN THE TWO CIRCUITS UPON A DROP IN ENGINE TEMPERATURE, WHEREBY THE AIR FLOW TO THE ENGINE COOLED BY SAID SECOND COOLANT CIRCUIT IS KEPT AT AS LOW A TEMPERATURE AS POSSIBLE UNDER ALL OPERATING CONDITIONS.

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