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DISH-WASHER

  • US 3,718,149 A
  • Filed: 01/22/1971
  • Issued: 02/27/1973
  • Est. Priority Date: 02/04/1970
  • Status: Expired due to Term
First Claim
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1. In a dish-washing machine of the type having a wash chamber subdivided by a baffle into two zones for the loading of delicate tableware and cooking utensils respectively, a first detergent dispensing device, at least one sprayer for each zone, a single wash pump feeding wash solution to each sprayer, and an interception member controlled by means which senses the temperature of the wash solution to exclude the flow of solution heated above a pre-determined temperature to the delicate tableware in the corresponding zone, the improvement comprising a second detergent dispensing device, a means operably connected to the second dispensing device controlling said second dispensing device to feed a detergent agent contained in the second dispensing device to the washing solution in the stage of the washing cycle in which the zone containing delicate tableware is excluded from the action of the washing solution, said second dispenser being loaded with the same detergent as said first dispenser and/or with a detergent having greater chemical aggressiveness, destined specifically for washing cooking utensils.

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