Diesel exhaust fluid cap assembly for vehicle and diesel exhaust fluid supply system including the same
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorTae Yoon Lee
Life of this patent
Estimating the term…
Abstract
A diesel exhaust fluid (DEF) cap assembly for a vehicle includes: a body having a first opening and a second opening arranged at an opposite side of the first opening, the second opening configured to be opened and closed; a flange portion protruding radially outward between the first opening and the second opening of the body, and having a plurality of through holes and a flange gasket configured to be sealably coupled to a mounting subject on which the flange portion is mounted; and a membrane member coupled to the flange portion, and configured to cover the plurality through holes and allow air flow.
Claims13
A diesel exhaust fluid (DEF) cap assembly for a vehicle, comprising:
- a body including:
- a first opening, and a second opening arranged at an opposite side of the first opening and configured to be opened and closed;
- a flange portion protruding radially outward from the body and disposed between the first opening and the second opening of the body, wherein the flange portion includes:
- a plurality of through holes, and a flange gasket configured to be sealably coupled to a mounting subject on which the flange portion is mounted;
- and
- a membrane member coupled to the flange portion, and configured to cover the plurality of through holes and allow an air flow.
A diesel exhaust fluid (DEF) supply system for a vehicle, the DEF supply system comprising:
- a filler neck connected to a DEF tank and including a plurality of ribs that protrudes radially inward from an inner circumference of the filler neck, wherein ribs of the plurality of ribs are spaced apart from each other by a designated interval;
- and
- a DEF cap assembly detachably mounted on the filler neck,
- wherein the DEF cap assembly comprises:
- a body;
- a flange portion configured to protrude radially outward from the body, hermetically mounted on an end of the filler neck, and including a plurality of through holes;
- and
- a membrane member coupled to the flange portion, and configured to cover the plurality of through holes and allow an air flow.
Dependencies are inferred from the claim text.