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Device and method for generating a liquid detergent concentrate from a solid detergent and a method for washing a vehicle

  • US 20040101455A1
  • Filed: 11/10/2003
  • Published: 05/27/2004
  • Est. Priority Date: 04/09/2001
  • Status: Active Grant
First Claim
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1. A device for generating a liquid detergent concentrate from a solid detergent comprising:

  • (a) solid detergent reservoir for holding solid detergent, and including a stock solution generating region for generating stock solution from solid detergent provided within the solid detergent reservoir;

    (b) water inlet for directing water onto solid detergent provided within the solid stock solution generating region for generating stock solution;

    (c) stock solution reservoir for holding stock solution generated in the stock solution generating region, the stock solution reservoir comprising;

    (i) stock solution inlet for receiving stock solution from the stock solution generating region;

    (ii) stock solution outlet for removal of stock solution; and

    (iii) stock solution level sensor for sensing the level of stock solution provided within the stock solution reservoir and for generating a first signal and a second signal, the first signal indicating when the stock solution reservoir requires additional stock solution and the second signal indicating when the stock solution reservoir has a sufficient amount of stock solution; and

    (d) hot water heater for controlling the temperature of water provided to the water inlet.

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