Safety device for preventing fuel discharge

Details Safety device for preventing fuel discharge Safety device for preventing fuel discharge

1997-07-22

2000-04-11

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

137197, F02M 3704

Patent

active

060476869

ABSTRACT:
In a safety device of a fuel system for an internal combustion engine including a fuel filter with a venting nozzle adapted to prevent the discharge of fuel through the venting nozzle of the fuel filter which is connected to a pump line, the safety device which is mounted on the vent nozzle of the fuel filter includes in its housing a semi-permeable foil which is gas permeable but not liquid permeable. The semi-permeable foil extends across the vent nozzle passage and a non-return valve is disposed in the vent nozzle passage for closing the vent nozzle passage if the semi-permeable foil ruptures.

REFERENCES:
patent: 3768659 (1973-10-01), Miller
patent: 4164919 (1979-08-01), Davis et al.
patent: 4352364 (1982-10-01), Orsino
patent: 4732131 (1988-03-01), Hensel
patent: 4751940 (1988-06-01), Bergsma et al.

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