In-tank fuel reservoir with reservoir fuel level control

Patent · Tue Jan 16 04:00:00 EST 1990

OSTI ID:6912092

Tuckey, C H

This patent describes a fuel delivery system for automobile engines and the like. It comprises: a canister for positioning within a fuel tank and having a lower end with an opening in communication with the fuel tank and an internal wall spaced from the lower end dividing the canister into upper and lower chambers, an electric fuel pump positioned within the canister having an inlet coupled to draw fuel solely from the lower chamber through the internal wall and an outlet for delivering fuel under pressure, means for returning excess fuel to the upper chamber, and means responsive to fuel level in the upper chamber for selectively feeding fuel from the upper chamber to the lower chamber when fuel level in the upper chamber approaches maximum capacity of the upper chamber. The level responsive means comprising passage means in the internal wall and a standpipe extending from the passage to an upper end at a position corresponding to maximum capacity fuel level in the upper chamber, and further comprising pressure valve means carried at the upper end of the standpipe.

• Assignee: Walbro Corp., Cass City, MI
• Patent Number(s): A; US 4893647
• Application Number: PPN: US 7-314878A
• OSTI ID: 6912092
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
CONTAINERS
CONTROL
CONTROL EQUIPMENT
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
LEVELS
LOADING
MATERIALS HANDLING
RELIEF VALVES
TANKS
UNLOADING
VALVES