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Vehicle, in particular a motor vehicle with a tank ventilation system

  • US 7,784,449 B2
  • Filed: 07/17/2008
  • Issued: 08/31/2010
  • Est. Priority Date: 07/18/2007
  • Status: Active Grant
First Claim
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1. In a vehicle having an internal combustion engine, a fuel tank, a fuel vapor supply line intercommunicating said fuel tank and an intake manifold of said engine, and a charcoal filter canister disposed in said fuel vapor supply line, a system for purging fuel vapor in said charcoal filter canister comprising a vacuum pump for a brake booster having one of an inlet communicable with the ambient air and an outlet communicable with an injection device disposed in said fuel vapor supply line between said charcoal filter canister and said intake manifold, and an inlet communicable with said charcoal filter canister and an outlet communicable with said intake manifold.

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