Closing screen for a ventilation opening, in particular for a ventilation opening of a motor vehicle

• US 20090068940A1
• Filed: 09/05/2008
• Published: 03/12/2009
• Est. Priority Date: 09/07/2007
• Status: Abandoned Application

• Current Assignee: Carcoustics Techconsult GmbH (Liaoning Dare Industrial Co., Ltd.)
• Original Assignee: Carcoustics Techconsult GmbH (Liaoning Dare Industrial Co., Ltd.)
• Inventors: Bloemeling, Heinz, Werheid, Detlev
• Application Number:
  US12/231,870
• Publication Number:
  US 20090068940A1
• Time in Patent Office: Days
• US Class Current: 454/162
• CPC Class Codes: B60H 1/249 using one-way valves

Abstract

The invention relates to a closing screen for a ventilation opening, in particular for a ventilation opening for a motor vehicle, comprising at least one molded part (1) for fastening to the ventilation opening and at least one ventilation flap (6, 7), which closes an opening (4) embodied in the molded part (1) and which automatically allows for an air escape from the space via the opening (4) in response to an overpressure in an assigned space. To eliminate the appearance of annoying rattling noises during operation in such a closing screen and to enable a cost-efficient production of the closing screen, the molded part (1) and the at least one ventilation flap (6, 7) according to the invention are made of flexible, closed-cell foam, wherein the at least one ventilation flap (6, 7) is connected to the molded part (1) by means of a material connection or integrally.

Claims

1. A closing screen for a ventilation opening, in particular for a ventilation opening for a motor vehicle, comprising at least one molded part (1;

1′

) for fastening to the ventilation opening (2;

21) and at least one ventilation flap (6, 7;

6′

), which closes an opening (4, 5;

4′

) embodied in the molded part and which automatically allows for an air escape from an assigned space via the opening (4, 5;

4′

) in response to an overpressure in the space, wherein the molded part (1;

1′

) and the at least one ventilation flap (6, 7;

6′

) are made of flexible, closed-cell foam and wherein the at least one ventilation flap (6, 7;

6′

) is connected to the molded part (1;

1′

) by means of a material connection or integrally.

2. The closing screen according to claim 1, wherein the molded part (1;

1′

) is embodied in a frame-like manner and comprises a collar (8) provided with an undercut (19).

3. The closing screen according to claim 2, wherein the collar (8) comprises at its outer periphery several bulges (20) embodied in the region of the undercut (19).

4. The closing screen according to claim 3, wherein several pairs of the bulges (20) are available, wherein in each case two bulges (20) of a pair are arranged so as to be located opposite one another.

5. The closing screen according to claim 1, wherein the molded part (1;

1′

) comprises a circumferential outer flange (12).

6. The closing screen according to claim 5, wherein the outer flange (12) is embodied as a hollow bead.

7. The closing screen according to claim 1, wherein the molded part (1;

1′

) comprises a circumferential ledge (11), which defines the opening (4, 5;

4′

).

8. The closing screen according to claim 1, wherein the at least one ventilation flap (6, 7;

6′

) is connected to the molded part (1;

1′

) via a film hinge (9)

9. The closing screen according to claim 1, wherein the at least one ventilation flap (6, 7;

6′

) is embodied so as to be curved and comprises a collar (13, 14), which serves as a sealing surface.

10. The closing screen according to claim 1, further comprising a support (15) supporting the molded part (1), the rear side of which is provided with a pipe connection (16), wherein the pipe connection (16) is open towards the at least one ventilation flap (6, 7).

11. The closing screen according to claim 10, wherein the support (15), at its front side, comprises a collar (17), to which the molded part (1) can be fastened by means of a snap fit.