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Fuel filter with bypass valve

  • US 20010030148A1
  • Filed: 03/30/2001
  • Published: 10/18/2001
  • Est. Priority Date: 12/03/1999
  • Status: Active Grant
First Claim
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1. A filter including a housing having an inlet and outlet for directing fluid into and out of the housing, the housing including removably connectable housing portions defining a filter cavity, a pump supported in the filter cavity for pumping fluid through the housing, and a filter element in the filter cavity disposed in surrounding relation to said pump for separating particulate from the fluid, a flow path defined from the inlet, through the filter element and then the pump, to the outlet, fluid passing through said flow path when said pump is operational, and being prevented from flowing through the pump when said pump is non-operational;

  • and a bypass valve in said housing normally in a closed position when said pump is operational, and moving to an open position when said pump is not-operational to provide a by-pass flow path from said inlet to said outlet, bypassing said pump.

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