The present invention relates to vacuum cleaners, particularly cyclonic vacuum cleaners.
In one embodiment, the invention provides a vacuum cleaner including a suction nozzle and a suction source operable to generate an airflow through the vacuum cleaner from the suction nozzle through a debris separator to a clean air exhaust. The debris separator operable to separate debris from the airflow. The debris separator including a housing, a cyclonic separator including a cylindrical wall having a first end and a second end. The cylindrical wall is located in within the housing and the cyclonic separator further includes a dirty air inlet, a clean air outlet, a debris outlet adjacent the second end, and a longitudinal axis surrounded by the cylindrical wall and the longitudinal axis of the cyclonic separator extends in generally a horizontal orientation. The debris separator further includes a lid coupled to the housing and the cyclonic separator is coupled to the lid such that the cyclonic separator is removable from the housing with the lid. A debris collection chamber is located within the housing and in fluid communication with the debris outlet of the cyclonic separator.
In another embodiment, the invention provides a vacuum cleaner including a suction nozzle and a suction source operable to generate an airflow through the vacuum cleaner from the suction nozzle through a debris separator to a clean air exhaust. The debris separator is operable to separate debris from the airflow. The debris separator includes a housing and a cyclonic separator including a cylindrical wall having a first end and a second end. The cylindrical wall is located in within the housing and the cyclonic separator further includes a first end wall located at the first end of the cylindrical wall, an dirty air inlet, a clean air outlet that extends through the first end wall, a debris outlet adjacent the second end, a longitudinal axis surrounded by the cylindrical wall and the longitudinal axis of the cyclonic separator extends in generally a horizontal orientation. A debris collection chamber is located within the housing and in fluid communication with the debris outlet of the cyclonic separator. The housing forms a second end wall of the cyclonic separator located at the second end of the cylindrical wall.
In another embodiment, the invention provides a vacuum cleaner including a suction nozzle and a suction source operable to generate an airflow through the vacuum cleaner from the suction nozzle through a debris separator to a clean air exhaust. The debris separator is operable to separate debris from the airflow. The debris separator includes a housing having a sidewall, a cyclonic separator including a cylindrical wall having a first end and a second end, the cylindrical wall located in within the housing. The cyclonic separator further includes a dirty air inlet, a clean air outlet, a debris outlet adjacent the second end, and a longitudinal axis surrounded by the cylindrical wall and the longitudinal axis of the cyclonic separator extends in generally a horizontal orientation. The debris separator further includes a lid coupled to the housing and the cyclonic separator is coupled to the lid. A debris collection chamber is located within the housing and in fluid communication with the debris outlet of the cyclonic separator. A divider wall extends from the cylindrical wall of the cyclonic separator to the sidewall of the housing such that the sidewall of the housing and the divider wall define the debris collection chamber.
Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways.
Referring to
Referring to
With reference to
The debris separator 18 further includes a perforated tube 70, a divider wall 72, a lid 74, a debris collection chamber 76, and a door 78. The perforated tube 70 extends from the first end wall 48 of the cyclonic separator 38 and covers the clean air outlet 56. The perforated tube 70 may be perforated using holes, slots, screen, mesh, or other perforation. The divider wall 72 extends from the cylindrical wall 46 to the sidewall 44 of the housing 36 around the inner periphery of the sidewall 44 such that the sidewall 44 of the housing 36 and the divider wall 72 define the debris collection chamber 76. The debris collection chamber 76 is bounded by and generally located below the divider wall 72 such that air does not circulate around the outside diameter of the cyclone. The divider wall may include a portion extending along the inner periphery toward the lid encircling at least a portion of the cylindrical wall. In the illustrated embodiment, the divider wall 72 is integrally formed with the cylindrical wall 46 as a single component. Also, with reference to
As best seen in
The lid 74 is removably coupled to the upper end 40 of the housing 36 to enclose the upper end 40 of the housing 36. As illustrated in
The door 78 (
In operation, referring to
Various features and advantages of the invention are set forth in the following claims.
This application is a continuation of co-pending U.S. patent application Ser. No. 14/920,166, filed on Oct. 22, 2015, which claims priority to U.S. Provisional Patent Application No. 62/067,284, filed on Oct. 22, 2014, the contents of which are hereby incorporated by reference in their entirety.
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International Search Report and Written Opinion for Application No. PCT/US2015/056918 dated Apr. 20, 2016 (17 pages). |
Number | Date | Country | |
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20170265700 A1 | Sep 2017 | US |
Number | Date | Country | |
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62067284 | Oct 2014 | US |
Number | Date | Country | |
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Parent | 14920166 | Oct 2015 | US |
Child | 15610721 | US |