Gas separation – Multiple separators – each with discrete and longitudinally... – Combined serial and parallel arrangement
Reexamination Certificate
2011-05-03
2011-05-03
Hopkins, Robert A (Department: 1776)
Gas separation
Multiple separators, each with discrete and longitudinally...
Combined serial and parallel arrangement
C055S349000, C055S423000, C055S429000, C055S433000, C055S459100, C055SDIG030
Reexamination Certificate
active
07935162
ABSTRACT:
Object of the present invention is to provide a dust collecting device (10) for a vacuum cleaner of the dust collecting performance is improved. For this, a dust collecting device (100) for a vacuum cleaner is provided, including a primary cyclone unit (200) for separating dust by a cyclone principle, a secondary cyclone unit (300) around the primary cyclone unit (200) for separating dust from air discharged from the primary cyclone unit (200) by the cyclone principle, a primary dust container (111) for storing the dust separated at the primary cyclone unit (200), and a secondary dust container (112) in the primary dust container (111) for storing the dust separated at the secondary cyclone unit (300).
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Hyun Kie Tak
Jeong Kyeong Seon
Kim Il Joong
Lee Sung Hwa
Son Young Bok
Hopkins Robert A
LG Electronics Inc.
McKenna Long & Aldridge LLP
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