Ventilation panel and oven

• US 9,696,042 B2
• Filed: 02/04/2008
• Issued: 07/04/2017
• Est. Priority Date: 02/05/2007
• Status: Active Grant

• Current Assignee: BSH Hausgeraete GmbH (Robert Bosch GmbH)
• Original Assignee: BSH Hausgeraete GmbH (Robert Bosch GmbH)
• Inventors: Neumayer, Dan, Rosenbauer, Jrg, Hasslberger, Robert, Theine, Markus
• Primary Examiner(s): PEREIRO, JORGE ANDRES
• Application Number:
  US12/012,728
• Publication Number:
  US 20080184985A1
• Time in Patent Office: 3,438 Days
• Field of Search: 126 21 R, 126273 R, 126273 A, 126198, 126273 H, 126190-194, 126197, 219385, 219390, 219391, 219399, 219400, 219757, 219756, 219632
• CPC Class Codes: F24C 15/006 Arrangements for circulation of cooling air

Abstract

A ventilation panel for a ventilation system of an oven with an air inlet aperture has a first subsidiary air inlet aperture and a second subsidiary air inlet aperture, which are separated from each other by a dividing wall at least partially in the air entry area. The oven has a housing ventilation duct, which directs air at least partially around a muffle, where the housing ventilation duct is at least partially divided into a first and a second subsidiary ventilation duct, where entry of the air to the subsidiary ventilation ducts takes place by means of a shared ventilation panel, and a door ventilation duct, which directs air through an oven door, where a fresh air feed leads to the ventilation panel, and where, when the oven door is closed, an air outlet aperture of the door ventilation duct of the ventilation panel of the housing ventilation duct lies opposite to and at a distance from an area of the second subsidiary ventilation duct, the ventilation panel having a first subsidiary air inlet aperture, which is allocated to the first subsidiary ventilation duct, and a second subsidiary air inlet aperture, which is allocated to the second subsidiary ventilation duct, where the subsidiary air inlet apertures are at least partially separated from each other by means of a dividing wall in the air entry area.

Claims

1. A ventilation panel for a ventilation system of an oven having a main air inlet aperture defining an air entry area for the entry of fresh air from outside the oven into the ventilation system, the ventilation panel comprising:

a first subsidiary air inlet aperture formed in the ventilation panel, the first subsidiary air inlet aperture being adapted to allow a first portion of the fresh air to enter a first subsidiary ventilation duct through the first subsidiary air inlet aperture;

a second subsidiary air inlet aperture formed in the ventilation panel, the second subsidiary air inlet aperture being adapted to allow a second portion of the fresh air to enter a second subsidiary ventilation duct through the second subsidiary air inlet aperture; and

a dividing wall for at least partially separating the first subsidiary air inlet aperture and the second subsidiary air inlet aperture from each other in the air entry area,

wherein the ventilation panel is configured to limit air that enters the second subsidiary ventilation duct to only air that comes from the main air inlet aperture and air that comes from an air duct that runs through a door of the oven.

2. The ventilation panel according to claim 1, wherein the dividing wall is formed as a projection formed integrally with the ventilation panel.

3. The ventilation panel according to claim 2, wherein the projection is adapted to be located in proximity to a door of the oven when the door is in a closed position such that the projection controls what part of the fresh air is the first portion of the fresh air and what part of the fresh air is the second portion of the fresh air.

4. An oven comprising:

a muffle;

at least one housing ventilation duct which directs fresh air from outside the oven at least partially around the muffle, the housing ventilation duct including a first subsidiary ventilation duct, a second subsidiary ventilation duct, and a ventilation panel for directing the fresh air to both the first subsidiary ventilation duct and the second subsidiary ventilation duct;

an oven door for closing an access opening to the muffle and being movable between an open position and a closed position;

a door ventilation duct for directing air at least partially through the oven door toward the ventilation panel; and

a door air outlet aperture formed in the door ventilation duct, the door air outlet aperture being disposed in spaced opposition to at least a portion of the second subsidiary ventilation duct when the oven door is in the closed position,

wherein the ventilation panel included in the at least one housing ventilation duct includes a first subsidiary air inlet aperture in fluid communication with the first subsidiary ventilation duct, a second subsidiary air inlet aperture in fluid communication with the second subsidiary ventilation duct, and a dividing wall for at least partially separating the first subsidiary air inlet aperture and the second subsidiary air inlet aperture in an air entry area, and

with the oven door in the closed position, air from inside the muffle is prevented from entering the second subsidiary ventilation duct.

5. The oven according to claim 4, further comprising a seal between the door and the muffle, the seal preventing air from inside the muffle entering the second subsidiary ventilation duct when the oven door is in the closed position.

6. The oven according to claim 5, wherein the first subsidiary ventilation duct runs parallel to at least a portion of the second subsidiary ventilation duct.

7. The oven according to claim 6, wherein the second subsidiary ventilation duct has a length, and the first subsidiary ventilation duct runs parallel to the second subsidiary ventilation duct over most of the length of the second subsidiary ventilation duct.

8. The oven according to claim 5, wherein the first subsidiary air inlet includes a width dimension, the second subsidiary air inlet includes a width dimension and the dividing wall separates the first subsidiary air inlet and the second subsidiary air inlet over the extent of the width of the first subsidiary air inlet and the width of the second subsidiary air inlet.

9. The oven according to claim 5, wherein the dividing wall is formed as a projection formed integrally with the ventilation panel.

10. The oven according to claim 9, wherein the projection is cross-sectionally chamfered thereby forming a ramp on a side of the projection facing the first subsidiary air inlet aperture and a neck portion of the projection is disposed closely adjacent the first subsidiary air inlet aperture.

11. The oven according to claim 9 wherein the projection is cross-sectionally chamfered thereby forming a ramp on a side of the projection facing the first subsidiary air inlet aperture.

12. The oven according to claim 9, wherein a neck portion of the projection is disposed closely adjacent the first subsidiary air inlet aperture.

13. The oven according to claim 5, wherein the dividing wall forms a gap between the oven door and the second subsidiary air inlet aperture when the oven door is in the closed position.

14. The oven according to claim 5, wherein the second subsidiary air duct extends along the muffle, and the first subsidiary air duct is configured to accommodate at least one of electrical and electronic components, with the first subsidiary air duct being separated from the muffle.

15. The oven according to claim 4, wherein the air directed to the second subsidiary air inlet aperture comes only from at least one of the door air outlet aperture or a fresh air duct that is in fluid communication with ambient air outside of the oven.

16. The oven according to claim 15, wherein the air directed to the second subsidiary air inlet aperture comes from both the door air outlet aperture and the fresh air duct.

17. The oven according to claim 16, wherein the dividing wall is formed as a projection formed integrally with the ventilation panel.

18. The oven according to claim 17, wherein the projection is cross-sectionally chamfered thereby forming a ramp on a side of the projection facing the first subsidiary air inlet aperture and a neck portion of the projection is disposed closely adjacent the first subsidiary air inlet aperture.

19. The oven according to claim 17 wherein the projection is cross-sectionally chamfered thereby forming a ramp on a side of the projection facing the first subsidiary air inlet aperture.

20. The oven according to claim 17, wherein a neck portion of the projection is disposed closely adjacent the first subsidiary air inlet aperture.

21. The oven according to claim 16, wherein the dividing wall forms a gap between the oven door and the second subsidiary air inlet aperture when the oven door is in the closed position.

22. The oven according to claim 16, wherein the second subsidiary air duct extends along the muffle, and the first subsidiary air duct is configured to accommodate at least one of electrical and electronic components, with the first subsidiary air duct being separated from the muffle.

23. The oven according to claim 15, wherein the first subsidiary air inlet includes a width dimension, the second subsidiary air inlet includes a width dimension and the dividing wall separates the first subsidiary air inlet and the second subsidiary air inlet over the extent of the width of the first subsidiary air inlet and the width of the second subsidiary air inlet.

24. The oven according to claim 4, wherein the projection is located in proximity to the oven door when the oven door is in the closed position such that the projection controls what part of the fresh air is the first portion of the fresh air and what part of the fresh air is the second portion of the fresh air.