Vacuum cleaner with floor type detection means and motor power c

Details Vacuum cleaner with floor type detection means and motor power c Vacuum cleaner with floor type detection means and motor power c

1996-11-18

1998-03-03

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, 15412, A47L 928

Patent

active

057221090

ABSTRACT:
A vacuum cleaner has: an air outlet, an air inlet, a dust chamber in communication with the air inlet, a fan driven by a main motor provided in a housing in communication with the air outlet and the dust chamber, a pressure detector which provides a signal showing variations characteristic of the floor type being cleaned; and circuitry, including a neural network for recognizing and classifying the floor type as a function of these variations, a setpoint generator for determining a pressure setpoint as a function of the variations, and a control circuit for controlling the power of the main motor so as to maintain the pressure setpoint.

REFERENCES:
patent: 4958406 (1990-09-01), Toyoshima et al.
patent: 5233682 (1993-08-01), Abe et al.
patent: 5265305 (1993-11-01), Kraft et al.
patent: 5276939 (1994-01-01), Uenishi
patent: 5381584 (1995-01-01), Jyoraku et al.

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