In-tank fuel reservoir with fuel vapor separation

Patent · Tue Nov 07 04:00:00 EST 1989

OSTI ID:7036356

Tuckey, C H

This patent describes a fuel delivery system for automotive engines and the like. It comprises: a canister for positioning within a fuel tank and having a lower end with an opening and means forming an internal wall spaced from the lower end and dividing the canister into upper and lower canister chambers, an electric-motor fuel pump positioned within the upper chamber having a fuel inlet extending through the wall into the lower chamber, a primary fuel outlet for feeding fuel under pressure to an engine and a secondary fuel outlet for supplying fuel under pressure, and a glad extending through the wall from the pump to the lower chamber. The glad including passages forming the pump fuel inlet, fluid conduit means extending through the wall in parallel with the inlet passage and having an inlet end in the lower chamber adjacent to a lower end of the pump fuel inlet passage and an outlet end positioned in the upper chamber, and nozzle means coupling the pump secondary outlet to the fluid conduit means for aspirating vapor and fuel through the fluid conduit means from the lower chamber to the upper chamber.

• Assignee: Walbro Corp., Cass City, MI
• Patent Number(s): US 4878816; A
• Application Number: PPN: US 7-201633A
• OSTI ID: 7036356
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CONTAINERS
DESIGN
ENGINES
FLUIDS
FUEL SYSTEMS
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
REMOVAL
SEPARATION EQUIPMENT
TANKS
VAPORS