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US 7,794,547 B2Granted
Flue pan washer for maple sugar evaporator
OwnerDavid Shrader Manninventor
Life of this patent
Estimating the term…
Abstract
The present invention is directed to an automatic washer system mounted within a maple sugar evaporator above the rear flue pan for removing niter and sediment built up during the boiling of sap. The evaporator comprises a furnace, a steam hood, a pan and a nozzle for washing the pan. The steam hood extends over the furnace. The pan is mounted to the furnace and under the steam hood. The nozzle is mounted over the pan. Cleaning fluid is sprayed from the nozzle to clean the pan by an automated process.
Claims25
An evaporator, comprising:
- a) a furnace;
- b) a steam hood extending over said furnace;
- c) a pan mounted to said furnace having a bottom and a length extending between opposite ends, said pan under said steam hood;
- and
- d) at least one nozzle for washing the bottom and ends of said pan, said at least one nozzle supported to move along a track above said pan, said track running the length of the pan between said ends of said pan, said track mounted within said evaporator.
2 more elements
An evaporator, comprising:
- a) a furnace;
- b) a steam hood extending over said furnace;
- c) a pan mounted to said furnace having a bottom and a length extending between opposite ends, said pan under said steam hood;
- and
- d) at least one nozzle over said pan;
- and
- e) a drive system for moving said at least one nozzle to wash the bottom and ends of said pan, said drive system operable for moving said at least one nozzle the length of said pan between said ends of said pan, said drive system extending through said steam hood.
4 more elements
An evaporator, comprising:
- a) a furnace;
- b) a pan mounted on top of said furnace having a bottom and a length extending between opposite ends;
- c) at least one nozzle for spraying cleaning solution, said at least one nozzle mounted over said pan;
- and
- d) a drive system mounted to move said at least one nozzle between said opposite ends, said drive system operable for moving said at least one nozzle the length of said pan between said opposite ends of said pan.
2 more elements
Dependencies are inferred from the claim text.