Cyclone type dust collector and cleaner having the same

Patent metadata

Field	Value
Publication number	US-11330947-B2
Application number	US-201916353902-A
Country	US
Kind code	B2
Filing date	Mar 14, 2019
Priority date	Mar 14, 2018
Publication date	May 17, 2022
Grant date	May 17, 2022

Abstract

A cyclone type dust collector includes a first cyclone comprising a first cyclone body configured to induce a cyclonic flow of air around a first flow axis extending in a vertical direction, a first air inlet formed in the first cyclone body, a first dust outlet formed in the first cyclone body, and a first air outlet formed in the first cyclone body; and a first dust container configured to communicate with the first dust outlet and collect dust separated from the air, wherein at least a part of the first cyclone body is horizontally adjacent to the first dust container in a first horizontal direction that intersects with the first flow axis.

First claim

What is claimed is:

1. A cleaner comprising:
a cleaner main body;
a dust collector provided in the cleaner main body; and
at least one wheel configured to allow the cleaner main body to move,
wherein the dust collector comprises:
a first cyclone comprising a first cyclone body configured to generate a cyclonic flow of air around a first flow axis that extends in a vertical direction, a first air inlet formed in the first cyclone body, a first dust outlet formed in the first cyclone body, and a first air outlet formed in the first cyclone body; and
a first dust container configured to communicate with the first dust outlet and collect dust separated from the air, wherein at least a part of the first cyclone body is horizontally adjacent to the first dust container in a first horizontal direction that intersects with the first flow axis,
wherein the first air outlet is provided above the first air inlet,
wherein the first air inlet and the first dust outlet are formed in a circumferential surface of the first cyclone body, and wherein the first air outlet is formed in an upper cover that is connected to an upper end of the circumferential surface of the first cyclone body and covers a top of the first cyclone,
at least one second cyclone configured to induce a cyclonic flow of air discharged from the first cyclone around a second flow axis extending in the vertical direction; and
a second dust container provided below the at least one second cyclone to collect dust removed from the air in the at least one second cyclone,
wherein at least a part of the at least one second cyclone and the second dust container are horizontally adjacent to the first dust container in the first horizontal direction,
wherein at least a part of the at least one second cyclone and the second dust container are horizontally adjacent to the first cyclone body in a second horizontal direction that intersects with the first horizontal direction and the first flow axis,
wherein the second cyclone and the second dust container are arranged outside the first cyclone body,
wherein a bottom wall of the first cyclone body is connected to and is not removable with respect to a side wall of the first cyclone body.

2. A dust collector comprising:
a first cyclone comprising a first cyclone body configured to induce a cyclonic flow of air around a first flow axis that extends in a vertical direction, a first air inlet formed in the first cyclone body, a first dust outlet formed in the first cyclone body, and a first air outlet formed in the first cyclone body;
a first dust container configured to communicate with the first dust outlet and collect dust separated from the air,
wherein at least a part of the first cyclone body is horizontally adjacent to the first dust container in a first horizontal direction that intersects with the first flow axis,
wherein the first air outlet is provided above the first air inlet,
wherein the first air inlet and the first dust outlet are formed in a circumferential surface of the first cyclone body, and wherein the first air outlet is formed in an upper cover that is connected to an upper end of the circumferential surface of the first cyclone body and covers a top of the first cyclone;
at least one second cyclone configured to induce a cyclonic flow of air discharged from the first cyclone around a second flow axis extending in the vertical direction; and
a second dust container provided below the at least one second cyclone to collect dust removed from the air in the at least one second cyclone,
wherein at least a part of the at least one second cyclone and the second dust container are horizontally adjacent to the first dust container in the first horizontal direction,
wherein at least a part of the at least one second cyclone and the second dust container are horizontally adjacent to the first cyclone body in a second horizontal direction that intersects with the first horizontal direction and the first flow axis,
wherein the second cyclone and the second dust container are arranged outside the first cyclone body,
wherein a bottom wall of the first cyclone body is connected to and is not removable with respect to a side wall of the first cyclone body.

3. The dust collector of claim 2 , wherein the first air inlet is provided below the first dust outlet.

4. The dust collector of claim 2 , wherein the first air outlet is provided above the first dust outlet.

5. The dust collector of claim 2 , further comprising a particle trap provided between an interior of the first cyclone body and the first air outlet.

6. The dust collector of claim 2 , wherein the at least one second cyclone comprises a second cyclone body configured to induce the cyclonic flow of air around the second flow axis extending in the vertical direction, a second air inlet formed in the second cyclone body, a second dust outlet formed in the second cyclone body, and a second air outlet formed in the second cyclone body.

7. The dust collector of claim 6 , wherein the second air inlet communicates with the first air outlet and is located higher than an upper end of the first cyclone body.

8. The dust collector of claim 6 , wherein the second air outlet and the second air inlet are each arranged above the second dust outlet.

9. The dust collector of claim 6 , further comprising a guide vane which is connected to the second cyclone body and guides the air introduced from the second air inlet.

10. The dust collector of claim 9 , wherein the guide vane forms at least a part of a cyclonic flow path around the second flow axis of the second cyclone body.

Assignees

• Lg Electronics Inc

Inventors

• Hyun Kietak
• Lee Changgun
• Lee Seungyeop

Classifications

• A47L9/1608 Primary

  Cyclonic chamber constructions · CPC title

• A47L2201/06

  Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning · CPC title

• A47L2201/00

  Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation · CPC title

• A47L9/1691

  Mounting or coupling means for cyclonic chamber or dust receptacles · CPC title

• A47L9/1683

  Dust collecting chambers; Dust collecting receptacles · CPC title