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Insert element for a container suitable for filling with urea at a filling station

  • US 8,800,611 B2
  • Filed: 06/09/2009
  • Issued: 08/12/2014
  • Est. Priority Date: 06/09/2008
  • Status: Expired due to Fees
First Claim
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1. In combination:

  • a tank suitable for filling with urea at a filling station by means of a nozzle spout of a urea dispenser, the tank having a filler neck, the filler neck having a rim defining an opening plane of the filler neck, andan insert element for inserting into the filler neck of the tank, said insert element comprising a cover element defining an opening plane of the insert element, wherein the cover element is formed with an opening for receiving the nozzle spout of the urea dispenser, said opening extending through the insert element from the opening plane of the insert element for allowing urea dispensed from the nozzle spout of the urea dispenser to flow into the tank, said opening having a diameter, at least at the opening plane of the insert element, that is smaller than the outer diameter of a nozzle spout of a dispenser for Diesel fuel, and a coupling device for attaching the insert element to the tank when the insert element is inserted into the filler neck of the tank,and wherein the cover element is located adjacent to the rim of the filler neck and closes the filler neck at the opening plane of the filler neck, except for said opening, when the insert element is located in the filler neck of the tank, to limit flow of Diesel fuel into the tank in the event that a user attempts to dispense Diesel fuel into the tank.

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