LAUNDRY DRYER

• US 20090071030A1
• Filed: 03/24/2006
• Published: 03/19/2009
• Est. Priority Date: 03/31/2005
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Myung, Hwan-Joo, Lee, Soon-Jo
• Granted Patent: US 8,104,192 B2
• Time in Patent Office: Days
• US Class Current: 34/138
• CPC Class Codes: D06F 58/04 Details controlling or regulating devices D06F34/00
• CPC Class Codes: D06F 58/24 Condensing arrangements

Abstract

A laundry dryer is provided. The laundry dryer includes a drying drum (14), a drying duct (17), a heater (166), an upper base (22), a lower base (21), and a blower (23). The drying drum (14) hold laundry. The drying duct (17) guides indoor air to be suctioned into the drying drum (14). The heater (16) heats the air suctioned into the drying drum (14) The upper base includes a drum connecting duct (203) that guides air passing from the drying drum (14) in a downward direction. The lower base (21) has the upper base (22) mounted therabove, and forms an air passage (201) that exhausts the air guided downward by the drum connecting duct (203) an indoor space. The blower (23) is mounted on one side of the lower base, and suctions air inside the drying drum (14).

Claims

1. A laundry dryer comprising:

a drying drum for holding laundry;

a drying duct for guiding indoor air to be suctioned into the drying drum;

a heater for heating the air suctioned into the drying drum;

an upper base including a drum connecting duct for guiding air passing from the drying drum in a downward direction;

a lower base having the upper base mounted thereabove, and forming an air passage for exhausting the air guided downward by the drum connecting duct to an indoor space; and

a blower mounted on one side of the lower base, for suctioning air inside the drying drum.

2. The laundry dryer according to claim 1, wherein the drum connecting duct communicates with the blower.

3. The laundry dryer according to claim 1, wherein the air passage has a main passage for guiding the air suctioned by the blower toward a rear of the lower base, and a sub passage formed to intersect with the main passage.

4. The laundry dryer according to claim 3, wherein the main passage curves at a predetermined curvature at a predetermined point.

5. The laundry dryer according to claim 3, wherein the main passage changes in direction at a predetermined distance from an entrance thereof, and has an exit with a larger diameter than the entrance.

6. The laundry dryer according to claim 3, wherein the main passage and the sub passage intersect at a point closer to the rear than a front of the lower base.

7. The laundry dryer according to claim 1, wherein the lower base includes at least one exhaust port formed at a side thereof.

8. The laundry dryer according to claim 7, wherein the exhaust port is selectively opened and closed.

9. The laundry dryer according to claim 7, further comprising a cap for opening and closing the exhaust port.

10. The laundry dryer according to claim 1, wherein the lower base includes an outside air intake port formed at a rear thereof, the outside air intake port communicating with the drying duct, for allowing indoor air to enter the drying drum.

11. The laundry dryer according to claim 1, wherein the lower base includes a first leak preventing step stepped at least once and formed around an upper perimeter of the air passage, and the upper base further includes a second leak preventing step stepped at a same height as and corresponding to mesh with the first leak preventing step.

12. The laundry dryer according to claim 1, further comprising:

a fastening hook provided in plurality and spaced a predetermined distance apart from one another around an upper surface perimeter of the air passage, and

a fringe extending from a lower region of the upper base, and defining insert holes for the fastening hooks to insert into.

13. The laundry dryer according to claim 1, further comprising a sealing member interposed between a contacting region of the lower base and the upper base.

14. A laundry dryer comprising:

a drying drum;

an upper base including a drum connecting duct for guiding air passing from the drying drum in a downward direction;

a lower base including an outside air intake port formed at a rear thereof, a main passage and a sub passage formed thereabove, a blower compartment for mounting a blower, and a drum air descending passage formed directly below the drum connecting duct; and

a drying duct provided at an outside of the outside air intake port for guiding suctioned air into the drying drum.

15. The laundry dryer according to claim 14, wherein the indoor air is suctioned through the outside air intake port and enters the drying drum through the drying duct,

the air that enters the drying drum flows to the drum connecting duct,

the air that flows to the drum connecting duct descends through the drum air descending passage and flows to the blower compartment, and

the air that flows to the blower compartment flows through the main passage to the rear of the lower base.

16. The laundry dryer according to claim 15, wherein the air that flows through the main passage diverges and flows through the sub passage, and the air that flows through the main passage and sub passage is exhausted to an indoor space through one or all of exhaust ports formed respectively at ends of the main passage and sub passage.

17. The laundry dryer according to claim 14, wherein water vapor moving to the blower compartment changes direction and flows through an expanded passage portion of the main passage.

18. A laundry dryer comprising:

a drying drum;

a drying duct for guiding indoor air to be suctioned through a rear of the drying drum;

a base including a lower base having a passage for water vapor flowing from the drying drum to flow through and a fastening hook formed along a perimeter of the passage, and an upper base for covering the passage and having an insert hole formed at a predetermined interval for inserting the fastening hook into; and

a blower installed at a side of the lower base for suctioning the water vapor.

19. The laundry dryer according to claim 18, wherein the lower base further has a blower compartment for receiving the blower, and the passage has a main passage connected to the blower compartment and a sub passage intersecting per-pendicularly with the main passage at a predetermined region of the main passage.

20. The laundry dryer according to claim 18, further comprising a duct for guiding the water vapor flowing from the drying drum to descend and flow toward the blower.

21. The laundry dryer according to claim 18, wherein the upper base has a stepped part formed on a lower surface thereof, and the lower base has a stepped part formed on an upper surface thereof.