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Apparatus and method for grounding compressed fuel fueling operator

United States Patent

June 11, 2002
View the Complete Patent at the US Patent & Trademark Office
A safety system for grounding an operator at a fueling station prior to removing a fuel fill nozzle from a fuel tank upon completion of a fuel filling operation is provided which includes a fuel tank port in communication with the fuel tank for receiving and retaining the nozzle during the fuel filling operation and a grounding device adjacent to the fuel tank port which includes a grounding switch having a contact member that receives physical contact by the operator and where physical contact of the contact member activates the grounding switch. A releasable interlock is included that provides a lock position wherein the nozzle is locked into the port upon insertion of the nozzle into the port and a release position wherein the nozzle is releasable from the port upon completion of the fuel filling operation and after physical contact of the contact member is accomplished.
Cohen; Joseph Perry (Bethlehem, PA), Farese; David John (Riegelsville, PA), Xu; Jianguo (Wrightstown, PA)
Air Products and Chemicals, Inc. (Allentown, PA)
09/ 862,259
May 22, 2001
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government Support under Contract No. DE-FC08-99NV13578 between Air Products and Chemicals, Inc., and the United States Department of Energy. The Government has certain rights to this invention.