Weldable vapor vent valve for fuel tanks

Details Weldable vapor vent valve for fuel tanks Weldable vapor vent valve for fuel tanks

B - Operations, Transporting

60

K

B60K 15/035 (2006.01)

Patent

CA 2263707

An improved weldable vapor vent valve assembly (118) comprising a non-weldable (heat-resistant) valve body (120) and a weldable connector portion (138) attached to an upper end of the valve body (120) for welding onto the outer surface of a polymeric fuel tank (10). The weldable connector portion (138) secures the valve body in place using vertical anti-leak ribs (134, 135) extending downwardly from the weldable connector (138) and upwardly from the valve body (120) which mate axially in an interlocking, sealing fit. The anti-leak ribs (134, 135) form a labyrinth-type seal that prevents liquid fuel and fuel vapor from leaking between the assembled portions of the vent valve assembly (118).

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