Surface cleaning apparatus
First Claim
Patent Images
1. A hand vacuum cleaner having a front end having a dirty air inlet, a rear end, a clean air outlet, an upper end and a bottom, the hand vacuum cleaner comprising:
- a) a main body comprising an upper end having a dirty air inlet, a lower end, a front end and a rear end, the main body housing a suction motor and fan assembly, the suction motor and fan assembly having a suction motor axis of rotation; and
,b) a cyclone unit comprising a cyclone and a dirt collection chamber, the cyclone having a cyclone axis of rotation, a front end having a cyclone air inlet, a longitudinally spaced apart rear end having a cyclone air outlet, and a sidewall having an upper portion and a lower portion, wherein the cyclone axis of rotation extends between the front end and the rear end of the cyclone and when the cyclone axis is oriented horizontally, the cyclone air inlet is in the upper portion of the sidewall of the cyclone and the dirt collection chamber is underneath the cyclone;
wherein when the hand vacuum cleaner is oriented with the cyclone underneath the upper end, the cyclone axis of rotation is generally horizontal.
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Abstract
A hand vacuum cleaner has a uniflow cyclone with a front cyclone air inlet and a rear air cyclone outlet.
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Citations
22 Claims
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1. A hand vacuum cleaner having a front end having a dirty air inlet, a rear end, a clean air outlet, an upper end and a bottom, the hand vacuum cleaner comprising:
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a) a main body comprising an upper end having a dirty air inlet, a lower end, a front end and a rear end, the main body housing a suction motor and fan assembly, the suction motor and fan assembly having a suction motor axis of rotation; and
,b) a cyclone unit comprising a cyclone and a dirt collection chamber, the cyclone having a cyclone axis of rotation, a front end having a cyclone air inlet, a longitudinally spaced apart rear end having a cyclone air outlet, and a sidewall having an upper portion and a lower portion, wherein the cyclone axis of rotation extends between the front end and the rear end of the cyclone and when the cyclone axis is oriented horizontally, the cyclone air inlet is in the upper portion of the sidewall of the cyclone and the dirt collection chamber is underneath the cyclone; wherein when the hand vacuum cleaner is oriented with the cyclone underneath the upper end, the cyclone axis of rotation is generally horizontal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A hand vacuum cleaner having a front end, a rear end, a clean air outlet, an upper end and a bottom, the hand vacuum cleaner comprising:
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a) a main body comprising an upper end, a lower end, a front end and a rear end, the main body housing a suction motor and fan assembly, the suction motor and fan assembly having a suction motor axis of rotation; and
,b) an air treatment member having a front end having an air treatment member air inlet, a longitudinally rearwardly spaced apart rear end having an air treatment member air outlet and a longitudinally sidewall having an upper portion and a lower portion, wherein the air treatment member axis of rotation extends between the front end and the rear end of the air treatment member and the air treatment member air inlet is in the upper portion of the sidewall of the air treatment member, wherein a dirt collection chamber is located underneath the air treatment member when the air treatment member axis of rotation extends horizontally; and
,c) a dirty air inlet comprising an inlet passage that extends longitudinally between an inlet end and an outlet end and has a longitudinal passage axis, the outlet end of the inlet passage communicates with the air treatment member air inlet. - View Dependent Claims (20, 21, 22)
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Specification