Method and system for preventing vehicle misfuelling

Details Method and system for preventing vehicle misfuelling Method and system for preventing vehicle misfuelling

2005-03-29

2005-03-29

Jacyna, J. Casimer (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

With testing or weighing receiver content

C141S001000, C141S096000, C141S196000, C340S632000, C220S086200, C073S029010

Reexamination Certificate

active

06871677

ABSTRACT:
A method and system for preventing vehicle misfuelling by utilizing an apparatus that receives a fuel nozzle into the filler neck, and activates a vacuum on the nozzle inserted therein. Using the pump's internal shut-off mechanism, this prevents the fuel pump from dispensing fuel until the sensing unit within the apparatus is able to identify the fuel proposed to be added to the tank. If the fuel is deemed acceptable, the vacuum is released, and the fuel is permitted to enter into the desired fuel tank.

REFERENCES:
patent: 5172738 (1992-12-01), Komukai et al.
patent: 5209275 (1993-05-01), Akiba et al.
patent: 5309957 (1994-05-01), Saisuu
patent: 6102085 (2000-08-01), Nanaji

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