Air curtain device
Patent Information
- Application Number
- TW115206731
- Authority / Receiving Office
- TW · TW
- Patent Type
- Utility models
- Current Assignee / Owner
- Filing Date
- 2026-07-16
- Publication Date
- 2026-10-21
- Estimated Expiration
- 2036-07-15
Smart Images

Figure TWG2TB001917849_001 
Figure TWG2TB001917849_002 
Figure TWG2TB001917849_003
Abstract
Claims
1. An air curtain device, comprising: an integrally formed frame having four interconnected and inseparable sidewalls that surround and define an accommodating space; a venting element disposed within the accommodating space; a cover fixed to the frame and covering the accommodating space; and a first sealing ring disposed between the sidewalls and the cover and abutting against the sidewalls and the cover respectively to maintain airtightness between the cover and the frame.
2. The air curtain device as claimed in claim 1, wherein a groove is formed on the side of the frame facing the cover, and the first sealing ring is accommodated in the groove.
3. The air curtain device as claimed in claim 2, wherein the cover is a plate-shaped member and the groove is annular.
4. The air curtain device as claimed in claim 1 further comprises: a plurality of fasteners for securing the cover to the sidewalls.
5. The air curtain device as claimed in claim 1, wherein the ventilator is a plate-shaped member and is fixed to the frame by an adhesive layer.
6. The air curtain device as claimed in claim 1, wherein the frame is made of aluminum.
7. The air curtain device as claimed in claim 1 further comprises: a second sealing ring disposed between the periphery of the vent and the cover and abutting against the vent and the cover respectively, so as to maintain the airtightness between the cover and the vent.
8. The air curtain device as claimed in claim 7, wherein the cover has a stepped structure to form a first surface and a second surface with a height difference, the first surface abutting against the first sealing ring and the second surface abutting against the second sealing ring.
9. The air curtain device as claimed in claim 7, wherein an annular recess is formed on the periphery of the side of the vent facing the cover, and the second sealing ring is accommodated within the annular recess.
10. The air curtain device as claimed in claim 7, wherein no adhesive layer is provided between the cover and the frame, and between the vent and the frame.
