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Warewashing chemical dispenser

  • US 20050023290A1
  • Filed: 12/16/2003
  • Published: 02/03/2005
  • Est. Priority Date: 07/28/2003
  • Status: Abandoned Application
First Claim
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1. A vacuum breaker for warewashing chemical dispensers, including an inlet path, an outlet path, a plate-shaped packing mounted on a lower end surface of a cap, and a valve disc provided on a vertical support shaft inserted through an air hole of the cap, the valve disc being moved up and down to be able to open and close the air hole, the vacuum breaker characterized by an inlet passage provided in an inner chamber of a casing to form the inlet path substantially perpendicular to the outlet path to afford fountaining a flow of hot water perpendicularly upward, a vertical support shaft upper portion extended downwardly of a vertical support shaft of the valve disc so that the valve disc can act stably even at low pressures, a vertical support shaft lower portion of the vertical support shaft formed to have a smaller diameter than that of the air hole, a second O-ring mounted on an upper surface of the valve disc, the plate-shaped packing being mounted on a bottom surface of the cap opposed to the upper surface of the valve disc, and a cap dismounting lever provided centrally of an upper surface of the cap and having an air port.

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