Trap device for powder coating apparatus

Patent metadata

Field	Value
Publication number	US-11534772-B2
Application number	US-202016850611-A
Country	US
Kind code	B2
Filing date	Apr 16, 2020
Priority date	Dec 3, 2019
Publication date	Dec 27, 2022
Grant date	Dec 27, 2022

Abstract

The present disclosure relates to a trap device for a powder coating apparatus. The trap device includes a body part including an inlet through which exhaust gas containing lost powder is introduced, an outlet through which the exhaust gas is discharged, and an interior space in communication with the inlet and the outlet and a trap part that is located in the interior space of the body part and that traps the lost powder contained in the exhaust gas by a magnetic force.

First claim

What is claimed is:

1. A trap device for a powder coating apparatus, the trap device comprising:
a body part including an inlet through which exhaust gas containing lost powder is introduced, an outlet through which the exhaust gas is discharged, and an interior space in communication with the inlet and the outlet; and
a trap part located in the interior space of the body part and configured to trap the lost powder contained in the exhaust gas by a magnetic force;
wherein the trap part includes:
a first trap part disposed adjacent to the inlet and configured to trap the lost powder contained in the exhaust gas, which is introduced through the inlet, by a magnetic force; and
a second trap part disposed adjacent to the outlet and configured to trap the lost powder contained in the exhaust gas, which is to be discharged through the outlet, by a magnetic force.

2. The trap device of claim 1 , wherein the trap part further includes:
a first partition wall disposed between the first trap part and the second trap part and configured to guide the exhaust gas, which is introduced through the inlet, in a direction away from the outlet.

3. The trap device of claim 2 , wherein the first partition wall has a cross-section in an arc shape that is open in the direction in which the exhaust gas is guided, and the first partition wall extends in a direction corresponding to an extension direction of the first trap part and is disposed to surround the first trap part.

4. The trap device of claim 3 , wherein the first partition wall extends to an upper inner wall of the body part in which the inlet is formed, and is disposed to surround the inlet.

5. The trap device of claim 2 , wherein the trap part further includes:
a second partition wall disposed between the first partition wall and the second trap part and configured to guide the exhaust gas toward the outlet.

6. The trap device of claim 5 , wherein the second partition wall has a cross-section in an arc shape that is open in an opposite direction to a direction in which the first partition wall is open, and the second partition wall extends in a direction corresponding to an extension direction of the second trap part and is disposed to surround the second trap part.

7. The trap device of claim 1 , wherein when a direction in which the exhaust gas is introduced into the interior space of the body part through the inlet is referred to as a reference direction, the trap part extends in the reference direction, and a distal end of the trap part in an opposite direction to the reference direction faces toward the inlet.

8. The trap device of claim 1 , wherein when a direction in which the exhaust gas is introduced into the interior space of the body part through the inlet is referred to as a reference direction, the trap part extends in a direction perpendicular to the reference direction and is disposed to overlap a projection area when the inlet is projected in the reference direction.

9. The trap device of claim 8 , wherein an isolation valve configured to open and close the outlet is connected to the outlet.

10. A trap device for a powder coating apparatus, the trap device comprising:
a body part including an inlet through which exhaust gas containing lost powder is introduced, an outlet through which the exhaust gas is discharged, and an interior space in communication with the inlet and the outlet; and
a trap part located in the interior space of the body part and configured to trap the lost powder contained in the exhaust gas by a magnetic force;
wherein the trap part includes a trap column extending in a predetermined direction and a trap wing extending in a direction away from the trap column and coupled to the trap column, and
wherein at least one of the trap column and the trap wing traps the lost powder by a magnetic force.

11. A trap device for a powder coating apparatus, the trap device comprising:
a body part including an inlet through which exhaust gas containing lost powder is introduced, an outlet through which the exhaust gas is discharged, and an interior space in communication with the inlet and the outlet; and
a trap part located in the interior space of the body part and configured to trap the lost powder contained in the exhaust gas by a magnetic force; and
a cooling part configured to cool an inner sidewall of the body part to condense and trap, on the inner sidewall, non-magnetic lost powder contained in the lost powder.

12. A trap device for a powder coating apparatus, the trap device comprising:
a body part including an inlet through which exhaust gas containing lost powder is introduced, an outlet through which the exhaust gas is discharged, and an interior space in communication with the inlet and the outlet; and
a trap part located in the interior space of the body part and configured to trap the lost powder contained in the exhaust gas by a magnetic force;
wherein the body part includes:
a main body extending in a predetermined direction and having the interior space that is open at opposite ends;
a first cover coupled to the main body to cover one opening of the main body; and
a second cover coupled to the main body to cover an opposite opening of the main body.

13. The trap device of claim 12 , wherein the inlet and the outlet are formed in the first cover, and
wherein the trap part extending toward the first cover is disposed on the second cover.

14. The trap device of claim 12 , wherein the trap part includes:
a first trap part disposed on the first cover and extending toward the second cover, the first trap part being configured to trap the lost powder contained in the exhaust gas, which is introduced through the inlet, by the magnetic force; and
a second trap part disposed on the second cover and extending toward the first cover, the second trap part being configured to trap the lost powder contained in the exhaust gas, which is to be discharged through the outlet, by the magnetic force, and
wherein the inlet and the outlet are formed in the main body such that the inlet and the outlet are in communication with the interior space in a direction perpendicular to an extension direction of the interior space and are adjacent to the first trap part and the second trap part.

15. The trap device of claim 12 , wherein the first cover is coupled with the main body by a clamp.

16. The trap device of claim 15 , wherein the first trap part is fixed to the first cover and is separated from or coupled to the main body together with the first cover when the first cover is separated from or coupled to the main body.

Assignees

• Hyundai Motor Co Ltd
• Kia Motors Corp
• Isac Res Inc

Inventors

• Hong Woong Pyo
• Park Jung Yeon
• Kim Chae Woong
• Cha Hyun Seok
• Park Hyung Sang

Classifications

• B03C2201/20

  Magnetic separation of bulk or dry particles in mixtures · CPC title

• C23C16/4417

  Methods specially adapted for coating powder · CPC title

• C23C16/4401

  Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber · CPC title

• B03C3/82 Primary

  Housings · CPC title

• B03C3/36

  Controlling flow of gases or vapour · CPC title