초록 ▼

A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and cap assemblies, a vacuum source connected to o

A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap assemblies, an exit opening disposed on one of the tank and cap assemblies, a vacuum source connected to one of the tank and cap assemblies for drawing process air through the inlet assembly, a filter assembly disposed between the inlet assembly and the exit opening, the filter assembly comprising a filter, and a filter bag assembly covering at least part of the filter, wherein the filter bag assembly comprises a filter bag and a drain tube connected to the filter bag. Preferably, the drain tube is integrally built into the filter bag.

대표청구항 ▼

1. A vacuum cleaner comprising:a tank assembly having an open end; an inlet assembly disposed on the tank assembly; a cap assembly removably connected to and generally closing off the open end, the cap assembly comprising a bottom wall substantially closing off the open end, a partition disposed on

1. A vacuum cleaner comprising:a tank assembly having an open end; an inlet assembly disposed on the tank assembly; a cap assembly removably connected to and generally closing off the open end, the cap assembly comprising a bottom wall substantially closing off the open end, a partition disposed on the bottom wall, and a cover disposed on at least one of the bottom wall and the partition; a motor disposed in the cap assembly; a fan driven by the motor disposed in the cap assembly for drawing process air through the inlet assembly; an exit opening disposed on the cap assembly; a filter assembly disposed between the inlet assembly and the exit opening; a ducting layer disposed between the fan and the exit opening and between the partition and the bottom wall; and an expansion chamber between the ducting layer and the exit opening; wherein cooling air flows through the motor and between the partition and the cover, and process air flows through the filter assembly, the fan and between the partition and the bottom wall without commingling with the cooling air; and wherein the ducting layer has at least one protrusion or depression disposed in the path of process air for forcing the process air to make multiple turns prior to entering the expansion chamber.