Vacuum cleaner
First Claim
Patent Images
1. A handheld vacuum cleaner comprising:
- a handle by which the vacuum cleaner is supported during use;
a cyclonic separating unit comprising a primary cyclonic separator and a plurality of secondary cyclonic separators downstream of the primary cyclonic separator, the primary cyclonic separator comprising a cyclone chamber which defines a separator axis, a fluid inlet, and a fluid outlet; and
an inlet duct extending through a forward end of the cyclone chamber to the fluid inlet for providing dirty air to the primary cyclonic separator, the inlet duct having an inlet duct axis which is substantially parallel with the separator axis, wherein the cyclonic separating unit extends at least partly around a portion of the inlet duct, and wherein at least a portion of the fluid outlet is located forward of the fluid inlet.
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Abstract
A handheld vacuum cleaner including a handle by which the vacuum cleaner is supported during use, a cyclonic separating unit including a separator having a cyclone chamber which defines a separator axis and an inlet duct having an inlet duct axis which is substantially parallel with the separator axis. The cyclonic separating unit extends at least partly around a portion of the inlet duct.
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Citations
11 Claims
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1. A handheld vacuum cleaner comprising:
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a handle by which the vacuum cleaner is supported during use; a cyclonic separating unit comprising a primary cyclonic separator and a plurality of secondary cyclonic separators downstream of the primary cyclonic separator, the primary cyclonic separator comprising a cyclone chamber which defines a separator axis, a fluid inlet, and a fluid outlet; and an inlet duct extending through a forward end of the cyclone chamber to the fluid inlet for providing dirty air to the primary cyclonic separator, the inlet duct having an inlet duct axis which is substantially parallel with the separator axis, wherein the cyclonic separating unit extends at least partly around a portion of the inlet duct, and wherein at least a portion of the fluid outlet is located forward of the fluid inlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A stick vacuum cleaner comprising:
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a handheld vacuum cleaner comprising; a handle by which the vacuum cleaner is supported during use; a cyclonic separating unit comprising a primary cyclonic separator and a plurality of secondary cyclonic separators downstream of the primary cyclonic separator, the primary cyclonic separator comprising a cyclone chamber which defines a separator axis, a fluid inlet, and a fluid outlet; and an inlet duct extending through a forward end of the cyclone chamber to the fluid inlet for providing dirty air to the primary cyclonic separator, the inlet duct having an inlet duct axis which is substantially parallel with the separator axis, wherein the cyclonic separating unit extends at least partly around a portion of the inlet duct, and wherein at least a portion of the fluid outlet is located forward of the fluid inlet; a wand; and a cleaner head connected to the end of the wand. - View Dependent Claims (10, 11)
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Specification