The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2008
Filed:
Dec. 05, 2005
Katsumi Hisano, Chiba-Ken, JP;
Hideo Iwasaki, Kanagawa-Ken, JP;
Hideyuki Kanai, Kanagawa-Ken, JP;
Motoya Kanda, Kanagawa-Ken, JP;
Katsumi Hisano, Chiba-Ken, JP;
Hideo Iwasaki, Kanagawa-Ken, JP;
Hideyuki Kanai, Kanagawa-Ken, JP;
Motoya Kanda, Kanagawa-Ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A battery-powered vacuum cleaner is provided with a battery pack that generates heat and is capable of efficiently cooling the battery pack. The battery-powered vacuum cleaner comprises a battery pack () including a plurality of secondary batteries, a battery pack container () containing the battery pack, a motor () driven for operation by power supplied by the battery pack, a fan () driven by the motor to suck air, a dust cup () for separating dust from air sucked therein by the fan and storing the dust separated from the sucked air, a housing () containing the battery pack container, the motor, the fan and the dust cup, and provided with a first suction opening () through which external air is sucked, a first airflow duct () for guiding the air sucked in by the fun through the dust cup to the motor, and a second airflow duct (), for guiding air for cooling the battery pack through the battery pack, joined to the first airflow duct at a junction () on the upstream side of the fan.