초록 ▼

A valve assembly is provided that is suitable for use in a fuel fill line. The valve assembly may include a housing having a flange that surrounds the housing. A weld foot can be molded over at least a portion of the flange. A lip seal may be disposed between the flange and the weld foot. The lip se

A valve assembly is provided that is suitable for use in a fuel fill line. The valve assembly may include a housing having a flange that surrounds the housing. A weld foot can be molded over at least a portion of the flange. A lip seal may be disposed between the flange and the weld foot. The lip seal includes a first lip and a second lip, and the first lip and the second lip may both be in contact with a surface on one of the flange and the weld foot.

대표청구항 ▼

1. A valve assembly for use in a fuel fill line, the valve assembly comprising: a housing including a flange that surrounds the housing;a weld foot molded over at least a portion of the flange; anda seal disposed between the flange and the weld foot,wherein the seal includes a first lip and a second

1. A valve assembly for use in a fuel fill line, the valve assembly comprising: a housing including a flange that surrounds the housing;a weld foot molded over at least a portion of the flange; anda seal disposed between the flange and the weld foot,wherein the seal includes a first lip and a second lip, the first lip and second lip are both in contact with a surface on at least one of the flange and the weld foot, and the first lip and the second lip are configured to compress against the flange and resist passage of fluid or vapor regardless of a pressure differential direction. 2. The valve assembly of claim 1, wherein the housing includes an interlock surface, and a portion of the weld foot is molded over the interlock surface. 3. The valve assembly of claim 1, wherein the seal is coupled to a seal ring, and the seal ring is configured to provide support for the seal. 4. The valve assembly of claim 3, wherein the seal ring includes a plurality of through holes for mechanical engagement between the seal and the seal ring. 5. The valve assembly of claim 3, wherein the seal and the seal ring are over-molded between the flange and the weld foot. 6. The valve assembly of claim 3, wherein the flange forms a stepped portion, and the seal ring engages the stepped portion to maintain deflection of the first and second lips of the seal against the flange. 7. The valve assembly of claim 1, wherein the first lip of the seal extends in a first direction and the second lip of the seal extends in a second direction. 8. The valve assembly of claim 7, wherein the first lip of the seal extends in a generally opposite direction than the second lip of the seal. 9. The valve assembly of claim 1, wherein the first and second lips of the seal are in contact with a surface of the flange. 10. A check valve assembly for use in a fuel fill line, the check valve assembly comprising: a housing including a flange that surrounds the housing;a weld foot that is secured over a portion of the housing and the flange; anda lip seal disposed between the flange and the weld foot,wherein the lip seal has a first lip and a second lip, the first lip and the second lip are spaced apart from one another and are in contact with a surface of the flange, and the first lip and the second lip are configured to compress against the flange and resist passage of fluid or vapor regardless of a pressure differential direction. 11. The check valve assembly of claim 10, wherein the housing includes an interlock surface and a portion of the weld foot is molded over the interlock surface. 12. The check valve assembly of claim 10, wherein the lip seal is coupled to a seal ring that provides support for the lip seal. 13. The check valve assembly of claim 12, wherein the seal ring includes a plurality of through holes for mechanical engagement between the lip seal and the seal ring. 14. The check valve assembly of claim 12, wherein the lip seal and the seal ring are over-molded between the flange and the weld foot. 15. The check valve assembly of claim 12, wherein the flange forms a stepped portion, and the seal ring engages the stepped portion to maintain uniform deflection of the first and second lips of the lip seal against the flange. 16. The check valve assembly of claim 10, wherein the first lip of the lip seal extends in a first direction and the second lip of the lip seal extends in a second direction. 17. The check valve assembly of claim 16, wherein the first lip of the lip seal extends in a generally opposite direction than the second lip of the lip seal. 18. A check valve assembly comprising: a housing having a flange that surrounds the housing, and the flange defines a stepped portion;a weld foot molded over at least a portion of the flange; anda lip seal including a first lip and a second lip, and the lip seal is coupled to a seal ring,wherein the lip seal is disposed between the flange and the weld foot such that the seal ring engages the step portion of the flange, the first and second lips are in contact with a surface of the flange, and the first lip and the second lip are configured to compress against the flange and resist passage of fluid or vapor regardless of a pressure differential direction. 19. The check valve assembly of claim 18, wherein the housing includes an interlock surface and a portion of the weld foot is molded over the interlock surface. 20. The check valve assembly of claim 18, wherein the first lip of the lip seal extends in a first direction and the second lip of the lip seal extends in a second direction that is generally opposite the first direction.