Battery-powered vacuum cleaner and method of cooling...

Details Battery-powered vacuum cleaner and method of cooling... Battery-powered vacuum cleaner and method of cooling...

2006-10-17

2006-10-17

Corcoran, Gladys JP (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

Reexamination Certificate

active

07120965

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 pack of the battery-powered vacuum cleaner is cooled by a vacuum cleaner cooling method. The battery-powered vacuum cleaner comprises a battery pack (3) including a plurality of secondary batteries, a battery pack container (2) containing the battery pack, a motor (7) driven for operation by power supplied by the battery pack, a fan (5) driven by the motor to suck air, a dust cup (9) for separating dust from air sucked therein by the fan and storing the dust separated from the sucked air, a housing (1) containing the battery pack container, the motor, the fan and the dust cup, and provided with a first suction opening (30) through which external air is sucked, a first airflow duct (32) for guiding the air sucked in by the fun through the dust cup to the motor, and a second airflow duct (36), for guiding air for cooling the battery pack through the battery pack, joined to the first airflow duct at a junction (34) on the upstream side of the fan.

REFERENCES:
patent: 7-250788 (1995-10-01), None
patent: 2001-128901 (2001-05-01), None
patent: 2002-65535 (2002-03-01), None
patent: 2003-38403 (2003-02-01), None

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