Electronic vacuum cleaner control system

  • US 5,507,067 A
  • Filed: 05/12/1994
  • Issued: 04/16/1996
  • Est. Priority Date: 05/12/1994
  • Status: Expired due to Fees
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First Claim
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1. A vacuum cleaner that operates in response to a plurality of settings comprising:

  • a canister having a portion that defines an intake port;

    a suction motor within the canister for drawing air into the canister through the intake port;

    suction motor power control circuitry for supplying power to the suction motor;

    a hose connected to the intake port for directing the air to the intake port;

    a handle separate from the canister and connected to the hose;

    at least one sensor within the canister responsive to an operating characteristic related to the operation of the vacuum cleaner for generating a corresponding sensor signal;

    a control unit having the plurality of settings and being disposed within the handle for receiving the sensor signal from the at least one sensor in the canister and for generating a motor power control signal for controlling the suction motor power in response to the sensor signal and the settings; and

    a selection switch disposed within the handle and connected to the control unit for allowing a user to enter the settings;

    wherein;

    the hose contains wires that support two-way communications;

    the control unit is directly connected to the at least one sensor via the wires, for providing the sensor signal directly to the control unit; and

    the control unit is directly connected to the suction motor power control circuitry, for providing the motor power control signal directly to the suction motor power control circuitry.

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