Vacuum cleaner with multiple cyclonic dirt separators and bottom discharge dirt cup
First Claim
Patent Images
1. A vacuum cleaner comprising:
- a housing defining a first cyclonic airflow chamber for separating contaminants from a dirt-containing airstream as it travels about a first cyclonic axis in the first cyclonic airflow chamber, said housing further comprising a cyclonic chamber inlet and an airstream outlet in fluid communication with said cyclonic airflow chamber;
a nozzle housing including a suction opening, said suction opening being fluidly connected with said cyclonic chamber inlet;
an airstream suction source fluidly connected to said suction opening and to the first cyclonic airflow chamber for transporting dirt-containing air from the suction opening to the cyclonic airflow chamber, said suction source is adapted to establish and maintain a dirt-containing airstream from said suction opening through said first cyclonic airflow chamber inlet and to a first cyclonic airflow chamber outlet;
a dirt-collecting bin mounted to the housing beneath said first cyclonic airflow chamber, the dirt-collecting bin comprising a bottom wall, a sidewall, and an open top;
a plurality of secondary cyclones arranged around the first cyclonic axis, wherein each secondary cyclone comprises;
an inlet opening in fluid communication with the first cyclonic airflow chamber outlet;
a debris outlet positioned radially inward of the inlet opening; and
a second cyclonic axis that is oriented substantially perpendicular to the first cyclonic axis; and
a secondary debris collector in communication with the debris outlets of the secondary cyclones.
5 Assignments
0 Petitions
Accused Products
Abstract
A vacuum cleaner with a first cyclonic dirt separation and a secondary cyclonic dirt separation and a bottom dirt-collecting bin beneath the first cyclone separator and a filter beneath the dirt cup and between the dirt cup and a suction source inlet. The secondary cyclones oriented generally perpendicular to the first cyclone separator. A separator plate separates the cyclone separator from the dirt cup. Fins project from a sidewall of the dirt tank, and fingers projecting from a bottom wall of the dirt tank. A hollow standpipe in the dirt cup transports working air from the cyclone separator outlet to the filter.
132 Citations
21 Claims
-
1. A vacuum cleaner comprising:
-
a housing defining a first cyclonic airflow chamber for separating contaminants from a dirt-containing airstream as it travels about a first cyclonic axis in the first cyclonic airflow chamber, said housing further comprising a cyclonic chamber inlet and an airstream outlet in fluid communication with said cyclonic airflow chamber; a nozzle housing including a suction opening, said suction opening being fluidly connected with said cyclonic chamber inlet; an airstream suction source fluidly connected to said suction opening and to the first cyclonic airflow chamber for transporting dirt-containing air from the suction opening to the cyclonic airflow chamber, said suction source is adapted to establish and maintain a dirt-containing airstream from said suction opening through said first cyclonic airflow chamber inlet and to a first cyclonic airflow chamber outlet; a dirt-collecting bin mounted to the housing beneath said first cyclonic airflow chamber, the dirt-collecting bin comprising a bottom wall, a sidewall, and an open top; a plurality of secondary cyclones arranged around the first cyclonic axis, wherein each secondary cyclone comprises; an inlet opening in fluid communication with the first cyclonic airflow chamber outlet; a debris outlet positioned radially inward of the inlet opening; and a second cyclonic axis that is oriented substantially perpendicular to the first cyclonic axis; and a secondary debris collector in communication with the debris outlets of the secondary cyclones. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
Specification