Filtration chamber construction for a cyclonic surface cleaning apparatus
First Claim
Patent Images
1. A surface cleaning apparatus comprising:
- (a) a dirty air inlet;
(b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing;
(c) the filter housing having a lower portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the lower portion is opened, the filter has an upstream filter surface that faces the openable lower portion and is spaced therefrom, whereby a dirt collection area is provided between the upstream filter surface and the openable lower portion;
(d) a suction motor; and
,(e) a clean air outlet downstream from the suction motor.
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Accused Products
Abstract
A surface cleaning apparatus comprises a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing. The filter housing has a lower portion, such as a bottom door, that is openable and the filter is visible, and a dirt collection area upstream of the filter is emptyable, when the lower portion is opened.
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Citations
19 Claims
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1. A surface cleaning apparatus comprising:
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(a) a dirty air inlet; (b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing; (c) the filter housing having a lower portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the lower portion is opened, the filter has an upstream filter surface that faces the openable lower portion and is spaced therefrom, whereby a dirt collection area is provided between the upstream filter surface and the openable lower portion; (d) a suction motor; and
,(e) a clean air outlet downstream from the suction motor. - View Dependent Claims (2, 3, 4, 6, 7, 8, 9)
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5. The surface cleaning apparatus of claim lwherein the filter housing is mounted to the at least one cyclone.
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10. A surface cleaning apparatus comprising:
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(a) a dirty air inlet; (b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing; (c) the filter housing having a lower portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the lower portion is opened; (d) first and second housings positioned side by side, the first housing comprising the at least one cyclone and the second housing comprising the filter housing, the first housing has a first housing bottom that is openable and the openable lower portion comprises the bottom of the second housing and wherein the first housing bottom is connected to the second housing bottom, whereby both the first housing bottom and the second housing bottom are moveable concurrently; (e) a suction motor; and
,(f) a clean air outlet downstream from the suction motor. - View Dependent Claims (11, 12)
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13. A surface cleaning apparatus comprising:
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(a) a dirty air inlet; (b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing; (c) the filter housing having a lower portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the lower portion is opened; (d) first and second housings positioned side by side, the first housing comprising the at least one cyclone and the second housing comprising the filter housing, the first housing has a first housing bottom and the second housing has a second housing bottom and the first housing bottom and the second housing bottom form part of an airflow passage from a cyclone outlet to an upstream side of the filter; (e) a suction motor; and
,(f) a clean air outlet downstream from the suction motor. - View Dependent Claims (14)
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15. A surface cleaning apparatus comprising:
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(a) a dirty air inlet; (b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing; (c) the filter housing having a portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the portion is opened; (d) a mechanical filter-cleaning member connected to the filter wherein the mechanical filter-cleaning member is actuated when the openable portion of the filter housing is opened; (e) a suction motor; and
,(f) a clean air outlet downstream from the suction motor. - View Dependent Claims (16, 17, 18)
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19. A surface cleaning apparatus comprising:
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(a) a dirty air inlet; (b) a filtration apparatus comprising at least one cyclone and at least one filter mounted in a filter housing; (c) the filter housing having a portion that is openable while secured to the surface cleaning apparatus and the filter is visible when the lower portion is opened, the filter has an upstream filter surface that faces a dirt collection surface and is spaced therefrom, whereby a dirt collection area is provided between the upstream filter surface and the dirt collection surface; (d) a suction motor; and
,(e) a clean air outlet downstream from the suction motor.
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Specification