Device for increasing the braking power of a multi

专利名称：Device for increasing the braking power of a

multi-cylinder internal combustion engine ofa vehicle during an engine braking operation

发明人：Franz Rammer,Franz Leitenmayr,Gottfried

Raab

申请号：US111612申请日：20061219

公开号：US20070137200A1公开日：20070621

专利附图：

摘要：A device for increasing the braking power of a multi-cylinder internal

combustion engine of a vehicle during engine braking operation including aturbosupercharger and an exhaust gas turbine for each stage thereof. A respectivebypass line branches off from a region of two exhaust gas header pipes that can beblocked by throttle valves. Each bypass line communicates with a nozzle bore in a turbinewall. The nozzle bores are in a plane perpendicular to a turbine wheel axis and extendeither parallel next to one another or at an acute angle to and merging with one another.The nozzle bores open out into the turbine chamber directed tangentially onto theouter portion of the turbine wheel. During an engine braking operation, two partialexhaust gas streams are branched off by the bypass lines from exhaust gas retained inblocked header pipes and strike turbine wheel blades at high pressure and high speed,whereupon the turbosupercharger is driven in an accelerated manner and compressed airis supplied to combustion chambers of the engine and is there effective to increasebraking power.

申请人：Franz Rammer,Franz Leitenmayr,Gottfried Raab

地址：Wolfern AT,Perg AT,Perg AT

国籍：AT,AT,AT

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