Hitachi Home and Life Solutions, Inc.

Naofumi Kitagawa

Yukiji Iwase

Koichi Umezawa

Susumu Sato

Hirofumi Tanaka

Shoji Hayashi

Yasuyuki Hiruta

Naruhiko Suzuki

Kyouichi Kanno

Yasunori Kotaka

An object of the present invention is to provide an electric vacuum cleaner equipped with a compact and easy-to-operate cyclonic separation type dust collector. To accomplish the object, the present invention mounts a cyclonic separation cylinder () that centrifugally separates and captures dust and a dust collecting case () that contains a first auxiliary filter () detachably on the lower case () of the cleaner body () and part of air from the cyclonic separation cylinder () is fed to the motor-driven blower through the dust collecting case (). The present invention mounts a cyclonic separation cylinder () that centrifugally separates and captures dust and a dust collecting case () that contains a first auxiliary filter () detachably on the lower case () of the cleaner body () and part of air from the cyclonic separation cylinder () is fed to the motor-driven blower through the dust collecting case () and a filter provided under it.

Electric vacuum cleaner

The electric vacuum cleaner is disclosed which includes a main body within which an electric blower and cyclonic separation cylinder are provided. A dust collecting case is provided in communication with the cyclonic separation cylinder to receive dust that has been separated from the inlet tube. The dust collecting case also includes a lifter arranged therein. Air received from the inlet tube is separated such that a portion is passed through the dust collecting case and a communicating passage. The air is subsequently merged and discharge through the electric blower.

Growing community of inventors

Hitachi, Japan

Naofumi Kitagawa