Fuel sender unit

A fuel sender unit for delivering fuel from a fuel tank having a bottom wall that deflects under a fuel load, the fuel sender unit comprising

• a support fixture mounted on the fuel tank,
• sending means for pumping fuel in the fuel tank toward a point of use outside the fuel tank, the sending means being situated within the fuel tank and including reservoir means for accumulating a reserve supply of fuel in a selected region within the fuel tank and,
• extensible means for coupling the sending means to the support fixture so that sending means is movable within the fuel tank in relation to the support fixture in response to fuel pressure generated during operation of the sending means to reach and pump fuel accumulating along the deflectable bottom wall of the fuel tank, the extensible means including guide means for guiding the sending means in sliding relation to the support base.

A fuel sender unit for delivering fuel from a fuel tank, the fuel sender unit comprising

• a support fixture mounted on the fuel tank,
• sending means for pumping fuel from the fuel tank to a point of use outside of the fuel tank, the sending unit including a pump unit having an inlet and reservoir means for accumulating fuel in a selected region within the fuel tank in fluid communication with the pump inlet for maintaining a substantially uninterrupted supply of fuel at the pump inlet during operation of the pump so long as the quantity of fuel in the fuel tank exceeds a predetermined minimum amount, and
• guide means for guiding the sending means in sliding relation to the support fixture, the guide means including a plurality of first guide tube assemblies situated in spaced-apart relation about the periphery of the sending means at least one of the first guide tube assemblies being configured to provide telescoping means for conducting fuel between the reservoir means and a region outside of the fuel tank.

A fuel sender unit for delivering fuel from a fuel tank having a bottom wall to a region outside the fuel tank, the fuel sender unit comprising

• reservoir means for accumulating fuel in a selected region within the fuel tank,
• pump means for pumping fuel from the reservoir means to a point of use outside of the fuel tank,
• extensible means for biasing the reservoir means toward the bottom wall of the fuel tank, the extensible means including a plurality of telescoping tube assemblies slidably coupling the fuel tank and the reservoir means to guide movement of the reservoir means within the fuel tank, at least one of the telescoping tube assemblies including a fuel-conducting passageway and extending downwardly into the reservoir means to couple the reservoir means and said region outside of the fuel tank in fluid communication via said fuel-conducting passageway.