Dispenser interlock fuel filter system disabled in response to f

Details Dispenser interlock fuel filter system disabled in response to f Dispenser interlock fuel filter system disabled in response to f

1991-10-28

1993-06-01

Drodge, Joseph W.

Liquid purification or separation

With repair or assembling means

Removable treatment part with normally disabled flow controller

1372346, 137493, 137901, 210100, 210117, 210435, B01D 35157

Patent

active

052156559

ABSTRACT:
A liquid fuel filter system for use in fuel dispensing stations including a ball valve assembly and replaceable strainer cartridge permitting strainer cartridge replacement even if the associated fuel pump is activated. The ball valve assembly seals the inlet port of the filter housing thereby disabling the flow of fuel through the housing when the strainer cartridge or filter housing cap are removed. A check valve prevents fuel from flowing back thorough the filter system outlet port into the filter housing. A pressure valve disposed in the check valve prevents possible harmful pressure build up.

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