Fuel pump assembly

Details Fuel pump assembly Fuel pump assembly

1988-08-29

1989-07-04

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

123509, 123516, 137587, 4174233, 417435, 417313, F04B 3916

Patent

active

048447048

ABSTRACT:
Fuel supply systems incorporating fuel pump assemblies having vents leading from upper portions of filter cases to vapor phase portions of a fuel tank. In one embodiment, a fuel pump is located wholly within a filter case with a relief port also provided within the case. Location of the components and baffles as well as a vapor vent promote flow of entrained vapor in the fuel away from the pump intake. Further, with the present arrangement, vapor is less likely to be formed.

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patent: 4684463 (1987-08-01), Mizusawa
patent: 4694857 (1987-09-01), Harris

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