Air filter device
AssigneeKorea Pneumatic Systems Co., Ltd
InventorHo-Young Cho
Life of this patent
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Abstract
Disclosed herein is an air filter device, installed on a line of a pneumatic circuit to remove harmful impurities. The device (10) includes a main body (20) having a casing shape, a cylindrical filter cartridge (30), and a cap (40). The main body includes air inlet and outlet ports (22, 24) on opposite sides thereof. A guide ring (26) is provided adjacent to an inner wall (20a) to have a predetermined height, with a hole (28) formed in the guide ring to directly communicate with the air outlet port. The filter cartridge is accommodated in an inner space (S3) of the guide ring (26), with a filter material (34) horizontally disposed in the filter cartridge. The cap is fastened to an opening of the main body, and includes a spacer (44) which compresses the upper end of the filter cartridge.
Claims4
An air filter device, comprising:
- a main body (20) having a casing shape, and comprising:
- an air inlet port (22) formed in one side of the main body;
- an air outlet port (24) formed in an opposite side of the main body;
- and
- a guide ring (26) provided adjacent to an inner wall (20a) to have a predetermined height, with a hole (28) being formed in a predetermined portion of the guide ring in such a way as to directly communicate with the air outlet port (24);
- a cylindrical filter cartridge (30) accommodated in an inner space (S3) of the guide ring (26) while an upper end of the filter cartridge is seated on an upper end of the guide ring (26) and a lower end of the filter cartridge is spaced apart from a bottom (20b) of the main body (20), with a filter material (34) being horizontally disposed in the filter cartridge;
- and
- a cap (40) fastened to an opening of the main body (20), and including a spacer (44) which compresses the upper end of the filter cartridge (30),
- wherein the air inlet port (22), a space (S1) defined between the inner wall (20a) and the guide ring (26), an inner space (S2) defined by the spacer (44), the inner space (S3) defined in the guide ring (26), the hole (28), and the air outlet port (24) sequentially communicate with each other.
Dependencies are inferred from the claim text.