TURBOCHARGER SYSTEM FOR INTERNAL COMBUSTION ENGINE

• US 3,557,549 A
• Filed: 03/21/1969
• Issued: 01/26/1971
• Est. Priority Date: 03/21/1969
• Status: Expired due to Term

• Current Assignee: Caterpillar Incorporated
• Original Assignee: Donald F. Webster
• Inventors: Webster, Donald F.
• Application Number:
  US04/809,447
• Time in Patent Office: 676 Days
• US Class Current: 60/602
• CPC Class Codes: F01D 17/148 by means of rotatable members, e.g. butterfly valves
• CPC Class Codes: F01N 13/08 Other arrangements or adaptations of exhaust conduits pipes, joints or supports therefor in general F16L; collecting or removing exhaust gases of vehicle engines in workshops B08B15/00, on highways E01C1/005
• CPC Class Codes: F02B 37/002 the exhaust supply to one of the exhaust drives can be interrupted
• CPC Class Codes: F02B 37/025 Multiple scrolls or multiple gas passages guiding the gas to the pump drive
• CPC Class Codes: F02B 37/22 by varying cross-section of exhaust passages or air passages , e.g. by throttling turbine inlets or outlets or by varying effective number of guide conduits F02B37/24 takes precedence
• CPC Class Codes: Y02T 10/12 Improving ICE efficiencies

Abstract

A TURBOCHARGER COMPRISES A TURBINE HAVING AN ANNULAR PARTITION DISPOSED IN THE HOUSING THEREOF TO DIVIDE THE HOUSING'"'"''"'"'S CHAMBER INTO TWO SEPARATE COMPARTMENTS. A FLAPPER VALVE IS PIVOTALLY MOUNTED AT THE INLET TO SUCH HOUSING AND IS NORMALLY POSITIONED TO BE SUBSTANTIALLY COPLANAR WITH THE PARTITION TO PERMIT ENGINE EXHAUST GASES TO FLOW INTO BOTH COMPARTMENTS. DURING THE IDLE PHASE OF ENGINE OPERATION, FOR EXAMPLE, THE FLAPPER VALVE AUTOMATERIALLY PIVOTS TO BLOCK GAS FLOW INTO ONE OF THE COMPARTMENTS AND TO DIRECT ALL GAS FLOW INTO THE OTHER COMPARTMENT.

Claims