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Capless refill adapter for a fluid refilling system

  • US 10,640,358 B2
  • Filed: 06/21/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 06/21/2017
  • Status: Active Grant
First Claim
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1. An adapter, comprising:

  • a body including a first end shaped to couple with a diesel exhaust fluid (DEF) refill passage and a second end including an aperture shaped to receive a DEF nozzle;

    a pivotable door sealing the aperture and forming an external surface of the adapter; and

    a magnetic ring positioned within the body, downstream of the pivotable door between the first end and the second end, wherein the second end forms a nozzle insertion passage extending in a direction away from the pivotable door and the first end, with the nozzle insertion passage in fluidic communication with atmosphere, and wherein the nozzle insertion passage has a passage diameter less than 23.8 millimeters and a passage length greater than a length from a nozzle opening of a fuel additive bottle to a shoulder of the fuel additive bottle.

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