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Supercharging system for two-stage supercharging of V-type internal combustion engines

  • US 7,703,284 B2
  • Filed: 06/12/2007
  • Issued: 04/27/2010
  • Est. Priority Date: 06/12/2006
  • Status: Expired due to Fees
First Claim
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1. A supercharging system for an internal combustion engine having two cylinder banks, comprising:

  • at least two charge air coolers;

    a first exhaust gas turbocharger representing a first stage of the supercharging system;

    a second exhaust gas turbocharger representing a second stage of the supercharging system; and

    a first nonreturn valve;

    wherein;

    each of the first and second exhaust gas turbochargers is situated next to one of the cylinder banks of the internal combustion engine;

    the charge air coolers are situated in a parallel circuit, and partial flows of fresh air passing through them are combined at a junction connected upstream from a throttle device; and

    the first nonreturn valve is situated upstream from the junction in a branch downstream from a first of the charge air coolers.

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