Sanyo Electric Co., Ltd.

Yuki Nakanishi

Yasuyuki Tsuchida

A vacuum cleaner includes a cleaner body provided with an air inlet and an air outlet, a dust chamber provided in the cleaner body and communicating with the air inlet, a housing provided in the cleaner body, communicating with the dust chamber and the air outlet and accommodating an electric air blower, a suction force level selector for the electric air blower, a pressure sensor provided on the suction side of the electric air blower, a comparator for comparing an output of a detected pressure from the pressure sensor with a reference value, a varying device for varying the reference value in proportion to the selected suction force level, and an indicator for indicating an accumulated state of dust in the dust chamber based upon the comparison result from the comparator.

Growing community of inventors

Kasai, Japan

Yuki Nakanishi