초록 ▼

A ventilation device has a frame (12) made of a first material component, and a non-return flap element (14) made of a second material component, wherein the first material component is harder than the second material component. The non-return flap element (14) includes a movable non-return flap (18

A ventilation device has a frame (12) made of a first material component, and a non-return flap element (14) made of a second material component, wherein the first material component is harder than the second material component. The non-return flap element (14) includes a movable non-return flap (18), which is arranged such that it exclusively rests against the non-return flap element (14) or the ventilation device (10) is mountable on a vehicle component (28), wherein that part of the ventilation device (10) which engages the vehicle component (28) is part of the non-return flap element (14).

대표청구항 ▼

1. A ventilation device for mounting in an opening (36) of a vehicle component (28), comprising a frame (12) made of a first material component, anda non-return flap structure (14) made of a second material component,wherein the first material component is harder than the second material component,w

1. A ventilation device for mounting in an opening (36) of a vehicle component (28), comprising a frame (12) made of a first material component, anda non-return flap structure (14) made of a second material component,wherein the first material component is harder than the second material component,wherein the non-return flap structure (14) includes a movable non-return flap (18), which is arranged such that it exclusively rests against the non-return flap structure (14), the non-return flap structure (14) being made of one piece, and wherein the non-return flap structure (14) includes protrusions, which can be engaged by the non-return flap (18). 2. The ventilation device according to claim 1, wherein the protrusions (22) are distributed over the width (B) of the non-return flap structure(14). 3. The ventilation device according to claim 1, wherein the protrusions (22) are triangular as seen in cross-section. 4. The ventilation device according to claim 1, wherein the non-return flap structure (14) includes at least one lip (24, 25), which serves to mount the non-return flap structure (14) on the vehicle component (28). 5. The ventilation device according to claim 4, wherein the lip (24) serves as sealing lip. 6. The ventilation device according to claim 1, wherein the non-return flap (18) includes reinforcement ribs (30), the reinforcement ribs (30) extending in a longitudinal direction (L) up to at least one edge (32) of the non-return flap (18). 7. The ventilation device according to claim 1, wherein the non-return flap (18) includes reinforcement ribs (30), the reinforcement ribs (30) not extending in a longitudinal direction (L) UP to at least one edge (32) of the non-return flap (18). 8. The ventilation device according to claim 1, wherein the ventilation device (10) is mountable in the opening (36) of the vehicle component (28), and wherein that part of the ventilation device (10) which engages the vehicle component (28) is a part of the non-return flap structure (14). 9. The ventilation device according to claim 1, wherein the movable non-return flap (18) rests exclusively against the non-return flap structure (14) when the movable non-return flap (18) is in a closed position. 10. The ventilation device according to claim 1, wherein the frame (12) is indirectly coupled by the non-return flap structure (14) to the vehicle component (28), when the ventilation device (10) is mounted on the vehicle component (28). 11. The ventilation device according to claim 1, wherein the movable non-return flap (18) is made of the second material component. 12. A ventilation device for mounting in an opening (36) of a vehicle component (28), comprising a frame (12) made of a first material component, anda non-return flap structure (14) made of a second material component,wherein the first material component is harder than the second material component,wherein the ventilation device (10) is mountable on the vehicle component (28) such that a part of the ventilation device (10) which engages the vehicle component (28) is a part of the non-return flap structure (14), andwherein the non-return flap structure (14) includes a movable non-return flap (18) arranged to exclusively rest against the non-return flap structure (14) when the non-return flap (18) is in a closed position.