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US 12,723,561 B2Granted
Evaporated fuel treatment device
AssigneeFutaba Industrial Co., Ltd.
InventorKoji Iwamoto
Life of this patent
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Abstract
Provided is an evaporated fuel treatment device. The evaporated fuel treatment device includes a main body case and a lid. The main body case includes two or more adsorption chambers, an adsorber, and an opening. The lid is configured to (i) close at least a part of the opening and (ii) be fixed to the main body case with a snap-fit structure. The lid is configured to be arranged in the vicinity of the adsorber.
Claims7
An evaporated fuel treatment device comprising:
- a main body case;
- and
- a lid,
- the main body case including:
- two or more adsorption chambers, each adsorption chamber of the two or more adsorption chambers accommodating adsorbents therein, the two or more adsorption chambers including an atmosphere-side adsorption chamber communicating with the atmosphere;
- an adsorber arranged at least in the atmosphere-side adsorption chamber, the adsorber being an aggregate of the adsorbents;
- an opening allowing the atmosphere-side adsorption chamber to communicate with the atmosphere,
- a retaining portion retaining the adsorber;
- a large-diameter portion configured to be arranged so as to surround the lid at a position away from and radially outward of the retaining portion and to be coupled to the lid with a snap-fit structure;
- and
- a stepped portion forming a step coupling the retaining portion and the large-diameter portion,
- the lid being configured to close at least a part of the opening and to be fixed to the main body case with the snap-fit structure, and
- the lid being configured to be arranged in the vicinity of the adsorber.
10 more elements
Dependencies are inferred from the claim text.