Method and apparatus for using recycled oil as fuel

Details Method and apparatus for using recycled oil as fuel Method and apparatus for using recycled oil as fuel

2002-05-22

2009-10-06

Toomer, Cephia D (Department: 1797)

Fuel and related compositions

Miscellaneous fuel composition

C044S629000, C044S639000, C208S179000

Reexamination Certificate

active

07597728

ABSTRACT:
A method for using recycled lubricating oil as a fuel source includes receiving prepared recycled lubricating oil, filtering the recycled lubricating oil through a first filter. The recycled oil is pumped into the top of a first holding tank. The recycled oil is circulated from the bottom of the first holding tank through the first filter to the top of the first tank. The recycled oil is pumped from the bottom of the first holding tank through the first filter to the top of a second holding tank. The recycled oil may then be pumped or pulled through a second filter to a preheater to lower the viscosity of the recycled oil to a predetermined level. From the pre-heater the heated recycled oil may be fed to a burner for heat generation or may be fed back to a storage tank. The apparatus for using recycled lubricating oil as fuel includes a storage system having one or more holding tanks along with a filtration system having a first filter for initial contaminant removal. A pre-heater is also included to lower the viscosity of the recycled oil to make it easier to move. The filtration system may also include a second filter prior to preheating. A pump is included to recirculate the recycled oil to prevent water and sludge settling and to move the recycled oil from tank to tank and to a burner where it may be consumed and turned into heat energy.

REFERENCES:
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patent: RE36922 (2000-10-01), Sparks et al.
patent: 6132203 (2000-10-01), Masin
patent: 6485632 (2002-11-01), Ward
patent: 6694928 (2004-02-01), McNeil
patent: 9904059 (2002-03-01), None
patent: 64000197 (1989-01-01), None
patent: 10219261 (1998-08-01), None

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