Chamber device for absorbing noise in float valve
AssigneeNifco Inc.
InventorYoichi HIRANO
Life of this patent
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Abstract
A chamber device is designed to be attached to a float valve for reducing noise generated by the float valve. The chamber device includes an upper plate having a top opening portion to be attached to the float valve, a bottom plate facing the upper plate, a side wall extending between the upper plate and the bottom plate, and an introduction passage formed on the side wall for allowing a fuel to flow into the float valve. A space is defined by the upper plate, and the bottom plate and the side wall so as to absorb the noise in the float valve.
Claims11
A chamber device adapted to be attached to a float valve comprising:
- an upper plate having a top opening portion to be attached to the float valve;
- a bottom plate facing the upper plate;
- a side wall extending between the upper plate and the bottom plate;
- and
- an introducing portion formed on the side wall for flowing a fuel liquid into the float valve,
- wherein a space is defined by the upper plate, the bottom plate and the side wall so as to absorb a noise in the float valve.
The chamber device according to claim 9, wherein the side wall has a stopper portion projecting outwardly therefrom, and the first projecting portion has a plurality of panels and a plurality of slits provided between the plurality of panels;
- and
- the stopper portion enters into the slit disposed relative to the introducing portion so as to prevent the side wall rotating on the bottom plate.
Dependencies are inferred from the claim text.