초록 ▼

A refueling valve for a motor vehicle includes a body connected to the upper wall of a fuel tank in vertical depending relationship. The body has a cover with a vapor exit passage adapted to be connected to a fuel vapor storage canister and a portion depending from the cover that has a vapor exit po

A refueling valve for a motor vehicle includes a body connected to the upper wall of a fuel tank in vertical depending relationship. The body has a cover with a vapor exit passage adapted to be connected to a fuel vapor storage canister and a portion depending from the cover that has a vapor exit port that communicates with the fuel tank interior adjacent the upper wall of the fuel tank. A vent tube has one end connected to the vapor exit passage and an opposite end that communicates with the vent exit port and defines a valve seat. The vapor exit port is located with respect to the valve seat so as to separate liquid fuel particles from vapor flow during fuel fill. The valve seat is closed by a float valve when the fuel tank is full.

대표청구항 ▼

[ What is claimed is:] [1.] A fuel vapor vent valve adapted to be mounted in the top of a motor vehicle fuel tank, said valve comprising, a body having an inlet passage adapted to be open to liquid fuel and fuel vapor and a cover adapted to be connected to the top of a fuel tank and having a vapor e

[ What is claimed is:] [1.] A fuel vapor vent valve adapted to be mounted in the top of a motor vehicle fuel tank, said valve comprising, a body having an inlet passage adapted to be open to liquid fuel and fuel vapor and a cover adapted to be connected to the top of a fuel tank and having a vapor exit passage adapted to be connected to a fuel vapor storage device, the body being connected to the cover and adapted to be disposed in the fuel tank in depending relationship with the cover; and a valve including a float and a valving element carried by the float and tiltable with respect to the float for compensating for tilt further characterized by:said body further including a vapor exit port located above said inlet;a vent tube supported within said body having one end sealingly connected to the vapor exit passage and having an opposite end defining a valve seat closable by the valving element and located with respect to the vapor exit port for separating liquid fuel particles prior to entering said vapor exit passage,the vent tube being an integral part of said body, andthe vent tube being connected to said body by a plurality of circumferentially spaced fins for accurately locating said valve seat concentrically at a distance from the upper wall of the fuel tank that will provide for a predetermined vapor dome space within said tank to accommodate vapor pressure increases when the valve is closed by the valving element.