Fuel Oil Anti-Siphoning Tool

A fuel oil anti-siphoning tool comprising:

• a fuel oil anti-siphoning tool having a reducing coupler, a screen, a spring, and a bushing;
• wherein said fuel oil anti-siphoning tool mounted between a delivery pipe and a supply pipe of a fuel tank;
• wherein said screen and said spring are retained between said reducing coupler at one end and said bushing at another end;
• wherein said screen having a broad end and a narrow end and a plurality of holes disposed therethrough for allowing a flow of fuel oil from said narrow end to said broad end;
• wherein said bushing having male National Pipe Taper (NPT) threads at a first end and female NPT threads at a second end for connecting pipes of different sizes;
• wherein said reducing coupler having female threads at a first end and female threads at a second end;
• and
• further wherein said male NPT threads at said first end of said bushing screwed inside said female threads at said first end of said reducing coupler.

A fuel oil anti-theft device comprising:

• a fuel oil anti-theft device having a reducing coupler, a screen, a fastener, a spring, and a bushing;
• wherein said fuel oil anti-theft device mounted between a delivery pipe and a supply pipe of a fuel tank;
• wherein said screen and said spring are retained between said reducing coupler at one end and said bushing at another end;
• wherein said fastener positioned between said screen and said spring for fastening said spring to said screen;
• wherein said spring is a torsional spring for biasing said screen inside said reducing coupler and enabling movement therein of said spring inside said reducing coupler;
• wherein said screen having a broad end and a narrow end and a plurality of holes disposed therethrough for allowing a flow of fuel oil from said narrow end to said broad end;
• wherein said bushing having male threads at a first end and female threads at a second end for connecting pipes of different sizes;
• wherein said reducing coupler having female threads at a first end and female threads at a second end;
• and
• further wherein said male threads at said first end of said bushing screwed inside said female threads at said first end of said reducing coupler.