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Electric vacuum cleaner having steam discharge and cloth wiper

  • US 5,502,872 A
  • Filed: 05/19/1994
  • Issued: 04/02/1996
  • Est. Priority Date: 05/19/1993
  • Status: Expired due to Term
First Claim
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1. An electric vacuum cleaner comprising:

  • a housing;

    a water supply tank disposed in the housing for storing clean water;

    a steam generator disposed in the housing and communicating with the water supply tank for receiving water therefrom, and including a heater for converting the received water into steam;

    a suction generator disposed in the housing for generating suction;

    a suction port communicating with the suction generator for sucking in a mixture of dirt, air and steam;

    a dirt collector connected to the housing and communicating with the suction port for separating dirt from air and moisture in the mixture received from the suction port;

    wherein the water supply tank being provided with an openable lid on an upper side thereof, a water supply conduit interconnecting the water supply tank with the steam generator;

    a flow control valve disposed in the water supply conduit, and a check valve disposed in the water supply conduit for preventing a backflow of water toward the water supply tank;

    the steam generator being provided with a steam chamber in which the heater is disposed, the steam chamber including inlet means for receiving water from the water supply tank and air from an outlet side of the suction generator;

    an inlet side of the suction generator connected to an outlet side of the dirt collector such that air exhausted from the dirt collector is supplied to the steam chamber;

    a steam discharge port communicating with the steam generator for discharging steam toward a floor; and

    a cloth mounted for revolving movement to wipe against the floor.

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