Gas-tightness diagnosing apparatus for a fuel tank with an...

Details Gas-tightness diagnosing apparatus for a fuel tank with an... Gas-tightness diagnosing apparatus for a fuel tank with an...

2006-04-18

2006-04-18

Garber, Charles (Department: 2856)

Measuring and testing

With fluid pressure

Motor part or auxiliary

Reexamination Certificate

active

07028534

ABSTRACT:
In a gas-tightness diagnosing apparatus for a fuel tank with an evaporative emission purge system, the gas-tightness diagnosing apparatus includes a pressurizing device, such as an air pump, which is applied to the gas-tightness diagnosing operation. The air pump itself is mounted in the fuel tank. In this construction, the layout space for the air pump can be easily allocated by applying space of the fuel tank. The whole assembly of the apparatus can be also formed compact and easily mounted on vehicles.

REFERENCES:
patent: 5297529 (1994-03-01), Cook et al.
patent: 2002/0108604 (2002-08-01), Distelhoff et al.
patent: 6-10777 (1994-01-01), None

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