Warewasher wash arm filter arrangement
First Claim
Patent Images
1. A warewasher for washing wares, comprising:
- a chamber for receiving wares, the chamber having at least one wash zone upstream of a final rinse zone, the wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone;
a conveyor for moving wares in a conveyance direction through the chamber from the wash zone to the final rinse zone;
wherein the spray arrangement of the wash zone comprises multiple spray tubes extending across a path of the conveyor, each spray tube including multiple spray nozzles, wherein a last of the spray tubes in the wash zone in the conveyance direction includes an associated filter arrangement for limiting food debris that exits the spray nozzles from being directed onto wares traveling along the conveyor, wherein the filter arrangement is external of the last spray tube such that sprays exiting the spray nozzles of the last spray tube must pass through the filter arrangement to reach wares traveling along the conveyor, wherein the spray arrangement of the wash zone includes multiple upper spray tubes and multiple lower spray tubes, and the last of the spray tubes in the conveyance direction is an upper spray tube.
1 Assignment
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Accused Products
Abstract
A warewasher includes a liquid recirculation system for spraying wares with wash liquid from a collecting tank. The warewasher includes a filter arrangement for capturing food debris in a wash spray before the wash spray reaches the wares being cleaned.
34 Citations
14 Claims
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1. A warewasher for washing wares, comprising:
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a chamber for receiving wares, the chamber having at least one wash zone upstream of a final rinse zone, the wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone; a conveyor for moving wares in a conveyance direction through the chamber from the wash zone to the final rinse zone; wherein the spray arrangement of the wash zone comprises multiple spray tubes extending across a path of the conveyor, each spray tube including multiple spray nozzles, wherein a last of the spray tubes in the wash zone in the conveyance direction includes an associated filter arrangement for limiting food debris that exits the spray nozzles from being directed onto wares traveling along the conveyor, wherein the filter arrangement is external of the last spray tube such that sprays exiting the spray nozzles of the last spray tube must pass through the filter arrangement to reach wares traveling along the conveyor, wherein the spray arrangement of the wash zone includes multiple upper spray tubes and multiple lower spray tubes, and the last of the spray tubes in the conveyance direction is an upper spray tube. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A warewasher for washing wares, comprising:
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a chamber for receiving wares, the chamber having at least one wash zone upstream of a final rinse zone, the wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone; a conveyor for moving wares in a conveyance direction through the chamber from the wash zone to the final rinse zone; wherein the spray arrangement of the wash zone comprises multiple spray tubes extending across a path of the conveyor, each spray tube including multiple spray nozzles, wherein a last of the spray tubes in the wash zone in the conveyance direction includes an associated filter arrangement for limiting food debris that exits the spray nozzles from being directed onto wares traveling along the conveyor, wherein the filter arrangement is external of the last spray tube such that sprays exiting the spray nozzles of the last spray tube must pass through the filter arrangement to reach wares traveling along the conveyor; wherein the filter arrangement includes a mount structure connected to the last spray tube, a channel bracket incorporating screening material, and at least one latch mechanism connected to the mount structure enabling the channel bracket to be releasably secured to the last spray tube.
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8. A warewasher for washing wares, comprising:
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a chamber for receiving wares, the chamber having at least one wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone, the spray arrangement formed at least in part by a spray tube having multiple nozzles, the spray tube including a filter arrangement external of the spray tube and positioned so that sprays exiting the multiple nozzles pass through the filter arrangement before reaching wares in the chamber for limiting food debris that exits the spray nozzles from being directed onto wares in the chamber; wherein the spray tube is located above a ware location of the wash zone, and the filter arrangement forms a channel below the spray tube, the channel including screening structure aligned with the spray nozzles of the spray tube. - View Dependent Claims (9, 10, 11)
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12. A warewasher for washing wares, comprising:
a chamber for receiving wares, the chamber having at least one wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone, the spray arrangement formed at least in part by a spray tube having multiple nozzles, the spray tube including a filter arrangement external of the spray tube and positioned so that sprays exiting the multiple nozzles pass through the filter arrangement before reaching wares in the chamber for limiting food debris that exits the spray nozzles from being directed onto wares in the chamber; wherein the filter arrangement includes a mount structure connected to the spray tube, a channel bracket incorporating screening material, and at least one latch mechanism connected to the mount structure enabling the channel bracket to be releasably secured to the spray tube.
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13. A warewasher for washing wares, comprising:
a chamber for receiving wares, the chamber having at least one wash zone including a tank for collecting sprayed liquid of the wash zone and a liquid recirculation system for moving liquid from the tank to a spray arrangement of the wash zone, the spray arrangement formed at least in part by a spray tube having at least one spray nozzle, a filter arrangement mounted to the spray tube and positioned so that a spray exiting the at least one nozzle passes through the filter arrangement before reaching wares in the chamber for limiting food debris that exits the at least one spray nozzle from being directed onto wares in the chamber. - View Dependent Claims (14)
Specification