Method and apparatus for refrigerating combustion air for internal combustion engines

• US 3,141,293 A
• Filed: 08/22/1961
• Issued: 07/21/1964
• Est. Priority Date: 08/22/1961
• Status: Expired due to Term

• Current Assignee: William R. Crooks
• Original Assignee: William R. Crooks
• Inventors: Crooks, William R.
• Application Number:
  US04/133,148
• Time in Patent Office: 1,064 Days
• US Class Current: 60/599
• CPC Class Codes: F01N 3/043 without contact between liquid and exhaust gases
• CPC Class Codes: F02B 25/02 using unidirectional scavenging
• CPC Class Codes: F02B 29/0412 Multiple heat exchangers arranged in parallel or in series
• CPC Class Codes: F02B 29/0443 Layout of the coolant or refrigerant circuit
• CPC Class Codes: Y02T 10/12 Improving ICE efficiencies

Claims

1. IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING MEANS FOR COMPRESSING THE COMBUSTION AIR AND AN AFTERCOOLER FOR REMOVING HEAT FROM THE COMPRESSED COMBUSTION AIR;

THE IMPROVEMENT COMPRISING REFRIGERATING MEANS FOR REMOVING ADDITIONAL HEAT FROM THE COMPRESSED COMBUSTION AIR AS SAID AIR IS DISCHARGED FROM SAID AFTERCOOLER, AND AIR EXPANSION MEANS FOR FURTHER COOLING THE COMPRESSED COMBUSTION AIR AFTER DISCHARGE FROM SAID REFRIGERATING MEANS.