US6572668B1 — Cyclone dust collector in vacuum cleaner

Claim 1

Independent Claim 133 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet connected in the middle of an outer circumference of the cyclone body in a tangential direction; dust outlets connected to both ends of the outer circumference of the cyclone body in a tangential direction; a dust box in communication with the dust outlets for collecting dust coming through the dust outlets; a pair of air outlet tubes for discharging an air inside of the cyclone body; and a guide piece provided in the middle of an inside surface of the cyclone body, the guide piece having a length in a circumferential direction that the air flows inside the cyclone body, for smoothly dividing and guiding the air drawn through the air inlet to the air outlet tubes, respectively.

Claim 2

Dependent Claim 133 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet connected in the middle of an outer circumference of the cyclone body in a tangential direction; dust outlets connected to both ends of the outer circumference of the cyclone body in a tangential direction; a dust box in communication with the dust outlets for collecting dust coming through the dust outlets; a pair of air outlet tubes for discharging an air inside of the cyclone body; and a guide piece provided in the middle of an inside surface of the cyclone body, the guide piece having a length in a circumferential direction that the air flows inside the cyclone body, for smoothly dividing and guiding the air drawn through the air inlet to the air outlet tubes, respectively.

Claim 3

Dependent Claim 25 words

The cyclone collector as claimed in claim 1 , wherein the air outlet tubes are provided through longitudinal end sides of the cyclone body, respectively.

Claim 4

Dependent Claim 27 words

The cyclone collector as claimed in claim 2 , wherein the air outlet tubes has a cylindrical form disposed on an axis direction of the cyclone body.

Claim 5

Dependent Claim 31 words

The cyclone collector as claimed in claim 2 , wherein the air discharged through respective air outlet tubes come together into one flow at a place outside of the cyclone body.

Claim 6

Dependent Claim 37 words

The cyclone collector as claimed in claim 1 , wherein the guide piece has a cross-section at a point along the length in a form curved to both sides starting from a top point of the cross-section.

Claim 7

Dependent Claim 26 words

The cyclone collector as claimed in claim 1 , wherein the guide piece has a height which gradually increases along the length of the guide piece.

Claim 8

Dependent Claim 28 words

The cyclone collector as claimed in claim 1 , wherein the guide piece has a contact width ‘b’ which gradually increases along the length of the guide piece.

Claim 9

Dependent Claim 25 words

The cyclone collector as claimed in claim 1 , further comprising a partition plate inside of the dust box for dividing an inside space thereof.

Claim 10

Dependent Claim 127 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet in one end of an outer circumference surface of the cyclone body for drawing air and contaminants into the cyclone body in a tangential direction; an air outlet tube on a center portion of the cyclone body having two inlets and one outlet for discharging the air separated by a centrifugal force from the air and contaminants drawn into the cyclone body; a dust outlet connected to the other end of the outer circumference surface of the cyclone body for discharging contaminants separated by the centrifugal force from the air and contaminants drawn into the cyclone body; and, a dust box detachably coupled to the dust outlet for collecting the discharged dust.

Claim 11

Dependent Claim 127 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet in one end of an outer circumference surface of the cyclone body for drawing air and contaminants into the cyclone body in a tangential direction; an air outlet tube on a center portion of the cyclone body having two inlets and one outlet for discharging the air separated by a centrifugal force from the air and contaminants drawn into the cyclone body; a dust outlet connected to the other end of the outer circumference surface of the cyclone body for discharging contaminants separated by the centrifugal force from the air and contaminants drawn into the cyclone body; and, a dust box detachably coupled to the dust outlet for collecting the discharged dust.

Claim 12

Dependent Claim 24 words

The cyclone collector as claimed in claim 9 , wherein the air outlet tube has a ‘T’ form having two inlets and one outlet.

Claim 13

Dependent Claim 25 words

The cyclone collector as claimed in claim 9 , further comprising a partition plate inside of the dust box for dividing an inside space thereof.

Claim 14

Dependent Claim 19 words

The cyclone collector as claimed in claim 9 , wherein opposite ends of the cyclone body are convex outwardly.

Claim 15

Dependent Claim 101 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet tube connected to the cyclone body in a tangential direction for guiding an air; dust outlets in a side of both ends of the cyclone body; dust boxes in communication with the dust outlets for collecting the dust; and, an air outlet tube on a center portion of the cyclone body having two inlets opened to opposite directions, and one outlet adapted to put the air centered into the two inlets together and connected to a motor, for discharging the air flowing in the cyclone body.

Claim 16

Dependent Claim 101 words

A cyclone collector for a vacuum cleaner comprising: a cylindrical cyclone body; an air inlet tube connected to the cyclone body in a tangential direction for guiding an air; dust outlets in a side of both ends of the cyclone body; dust boxes in communication with the dust outlets for collecting the dust; and, an air outlet tube on a center portion of the cyclone body having two inlets opened to opposite directions, and one outlet adapted to put the air centered into the two inlets together and connected to a motor, for discharging the air flowing in the cyclone body.

Claim 17

Dependent Claim 67 words

The cyclone collector as claimed in claim 13 , further comprising a flow dividing guide provided in the cyclone body, the flow dividing guide having a length in a circumferential direction that the air flows inside the cyclone body for guiding the air introduced into the cyclone body through the air inlet so that the air is divided and flown into opposite spaces in the cyclone body.

Claim 18

Dependent Claim 52 words

The cyclone collector as claimed in claim 14 , wherein the flow dividing guide connects an area between an inside space of the cyclone body and the air discharge tube, with two helical guide plates having a distance to each other which gradually increases along the length of the flow dividing guide.

Claim 19

Dependent Claim 43 words

The cyclone collector as claimed in claim 15 , wherein the helical guide plates are formed starting from the outlet of the air inlet tube extended along an inside circumference of the cyclone body near to an opposite side of the air inlet.

Claim 20

Dependent Claim 18 words

The cyclone collector as claimed in claim 13 , wherein the cyclone body has outward convex end sides.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2006-06-02	2006-12-02	2007-06-03	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2010-06-02	2010-12-02	2011-06-03	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2014-06-02	2014-12-02	2015-06-03	$7700.00	Window Closed / Lapsed

Cyclone dust collector in vacuum cleaner

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