Filler neck closure with static charge dissipator

Details Filler neck closure with static charge dissipator Filler neck closure with static charge dissipator

B - Operations, Transporting

60

K

B60K 15/05 (2006.01) B60K 15/04 (2006.01)

Patent

CA 2325099

A fuel cap for use on a vehicle for establishing a common electrical potential with the fuel tank of the vehicle. The fuel cap includes a handle, a fuel port closure for engaging a fuel receiving assembly, an electrically conductive retainer on the fuel cap and a seal. The electrically conductive retainer maintains an electrically conductive contact to the fuel receiving assembly while the seal prevents the escape of fuel vapors through the fuel receiving assembly. The seal is maintained until substantially achieving a common electrical potential between the cap and the fuel receiving assembly by way of the electrically conductive retainer. A method of establishing a common electrical potential and preventing escape of fuel vapors from a fuel port of a fuel receiving assembly prior to establishing the common electrical potential. The method employs a fuel receiving assembly which defines a fuel port, a fuel cap which is engageable with and covers the fuel port. The cap includes an electrically conductive retainer, a handle, a fuel port closure and a seal. The seal is maintained between the cap and the fuel receiving assembly. When the cap is engaged with the fuel receiving assembly, a common electrically conductive path is established between the electrically conductive retainer and an electrically conductive portion of the fuel receiving assembly. The electrically conductive path is maintained between the retainer and the fuel receiving assembly until the common electrical potential is achieved. The seal is maintained and only disengaged after substantially achieving the common electrical potential.

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