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Warewasher idling system and method

  • US 10,342,406 B2
  • Filed: 10/20/2016
  • Issued: 07/09/2019
  • Est. Priority Date: 10/21/2015
  • Status: Active Grant
First Claim
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1. A warewash machine for washing wares, comprising:

  • a chamber for receiving the wares, the chamber having at least one spray zone;

    a spray system in the spray zone for spraying liquid onto the wares for cleaning;

    a tank for capturing sprayed liquid that falls within the spray zone, the tank including a primary recirculation path for delivering liquid from the tank to the spray system, and a secondary recirculation path for delivering water out of the tank and back into the tank, without spraying within the spray zone, in order to promote mixing within the tank,a pump system for controlling flow along both the primary recirculation path and the secondary recirculation path; and

    a controller operatively connected for controlling operation of the pump system, where the controller is configured such that, during a machine idling operation, the pump system is selectively operated to produce flow along the secondary recirculation path for mixing of water within the tank, and flow along the primary recirculation path is stopped.

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