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Moisture indicator for wet pick-up suction cleaner

  • US 6,832,407 B2
  • Filed: 03/27/2001
  • Issued: 12/21/2004
  • Est. Priority Date: 08/25/2000
  • Status: Expired due to Term
First Claim
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1. A detecting system for a suction cleaner comprising:

  • a first sensor mounted to the cleaner and positioned to detect the moisture level of a cleaning surface;

    a circuit electrically connected to the first sensor for generating a first control signal in response to the detected moisture level of the cleaning surface;

    a tank removably mounted to said suction cleaner for containing liquid;

    a second sensor mounted to the cleaner to detect when the liquid of said tank reaches a predetermined level, said second sensor being a pressure switch responsive to a pressure level associated with said predetermined liquid level in said tank;

    wherein said circuit is electrically connected to the second sensor for generating a second control signal in response to the detected liquid level of said tank; and

    a device responsive to said second control signal for indicating when the liquid of said tank reaches a predetermined level.

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