Apparatus for cleaning or de-icing a vehicle window

  • US 6,669,109 B2
  • Filed: 02/28/2002
  • Issued: 12/30/2003
  • Est. Priority Date: 11/06/1998
  • Status: Expired due to Term
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First Claim
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1. A method for cleaning or de-icing a vehicle window comprising a sequence of fluid heating and discharge cycles including:

  • initially heating an initial quantity of fluid in a vessel to a first target temperature at which temperature the initial quantity of fluid in said vessel is discharged and a further quantity of fluid is supplied to said vessel; and

    heating said further quantity of said fluid to a second target temperature at which temperature the further quantity of said fluid in said vessel is discharged and a still further quantity of fluid is supplied to said vessel, and wherein said heating element is operated in said vessel substantially continuously through out the sequence.

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