Oven door for an oven cavity of a cooking oven

Abstract

The present invention relates to an oven door ( 10 ) for an oven cavity ( 40 ) of a cooking oven ( 36 ). The oven door ( 10 ) comprises a first unit ( 12, 28 ) including a front panel ( 12 ) and at least two door columns ( 28 ) permanently attached at an inner side of said front panel ( 12 ) and a second unit including an inner glass panel ( 14 ) and a door frame ( 20 ) permanently attached at said inner glass panel ( 14 ). The door frame ( 20 ) includes an upper frame part ( 24 ) and two lateral frame parts ( 26 ), wherein the lateral frame parts ( 26 ) are permanently attached at an outer side of the inner glass panel ( 14 ) and the upper frame part ( 24 ) is permanently attached at upper ends of the lateral frame parts ( 26 ). The lateral frame parts ( 26 ) are connected or connectable to the door columns ( 28 ) in each case, so that the first unit ( 12, 28 ) and the second unit ( 14, 20 ) are detachably or permanently connected or connectable. A ventilation opening ( 30 ) is formed between the inner glass panel ( 14 ) and the upper frame part ( 24 ). The ventilation opening ( 30 ) is formed by a cut-out in the inner glass panel ( 14 ), so that a lower side and lateral sides of said ventilation opening ( 30 ) are bordered by the inner glass panel ( 14 ) and an upper side of said ventilation opening ( 30 ) is bordered by the upper frame part ( 24 ). An inner side of the upper frame part ( 24 ) is in the same plane as the inner side of the inner glass panel (14) or protrudes inwardly.

1 . An oven door for an oven cavity of a cooking oven, wherein
 the oven door comprises a first unit and a second unit,   the first unit includes a front panel and at least two door columns permanently attached at an inner side of said front panel,   the second unit includes an inner glass panel and a door frame permanently attached at said inner glass panel,   the door frame includes an upper frame part and two lateral frame parts,   the lateral frame parts are permanently attached at an outer side of the inner glass panel,   the upper frame part is permanently attached at upper ends of the lateral frame parts,   the lateral frame parts are connected or connectable to the door columns in each case, so that the first unit and the second unit are detachably or permanently connected or connectable, and   a ventilation opening is formed between the inner glass panel and the upper frame part,   wherein the ventilation opening is formed by a cut-out in the inner glass panel, so that a lower side and lateral sides of said ventilation opening are bordered by the inner glass panel and an upper side of said ventilation opening is bordered by the upper frame part, wherein an inner side of the upper frame part is in the same plane as the inner side of the inner glass panel or the upper frame part protrudes inwardly.   
     
     
         2 . The oven door according to  claim 1 , wherein the inner glass panel in made of borosilicate glass. 
     
     
         3 . The oven door according to  claim 1 , wherein the lateral frame parts are made of metal. 
     
     
         4 . The oven door according to  claim 1 , wherein the upper frame part is made of metal. 
     
     
         5 . The oven door according to  claim 1 , wherein the upper frame part is made of borosilicate glass. 
     
     
         6 . The oven door according to  claim 1 , wherein the lateral frame parts are glued at an outer side of the inner glass panel. 
     
     
         7 . The oven door according to  claim 1 , wherein the door columns are glued at the inner side of the front panel. 
     
     
         8 . The oven door according to  claim 1 , wherein at least one intermediate glass panel is arranged or arrangeable between the inner glass panel and the front panel and between at least one of the lateral frame parts and the door columns. 
     
     
         9 . The oven door according to  claim 1 , wherein the first unit and the second unit are detachably connected or connectable to each other and form the oven door. 
     
     
         10 . The oven door according to  claim 9 , wherein the lateral frame part is connected or connectable to the corresponding door column by at least one snap-in mechanism. 
     
     
         11 . The oven door according to  claim 1 , wherein the oven door comprises a door handle attached detachably or permanently at an outer side of the front panel. 
     
     
         12 . A cooking oven comprising an oven cavity, the oven door according to  claim 1  for closing a front opening of said oven cavity, and an air channel arranged above the oven cavity, wherein a suction hole of the air channel is arranged above the oven cavity, said ventilation opening being connected or connectable to the suction hole, and wherein at least one gasket is arranged between the oven cavity and the air channel. 
     
     
         13 . The cooking oven according to  claim 12 , wherein the inner glass panel covers completely the front opening of the oven cavity when the oven door is in a closed state. 
     
     
         14 . The cooking oven according to  claim 12 , wherein the cooking oven includes an exhaust opening of the air channel, wherein said exhaust opening is arranged above the suction hole of the air channel 
     
     
         15 . The cooking oven according to  claim 14 , wherein an appendix of the upper frame part is arranged between the suction hole and the exhaust opening of the air channel when the oven door is in the closed state. 
     
     
         16 . The oven door according to  claim 6 , said upper frame part being glued on upper ends of the lateral frame parts. 
     
     
         17 . The oven door according to  claim 10 , wherein the lateral frame part includes at least one notch and the corresponding door column includes at least one snapping hook. 
     
     
         18 . A cooking oven comprising an oven cavity and a front frame enclosing an opening of the oven cavity; an air channel arranged above said oven cavity and having suction hole for drawing air into said channel and an exhaust opening for exhausting air from said channel, both said suction hole and said exhaust opening being arranged in said front frame; an oven door attached to the cooking oven, said oven door comprising an inner glass panel that completely covers said oven-cavity opening in a closed state of the door; said oven door comprising a first unit and a second unit, said first unit comprising a door frame permanently attached to said inner glass panel, and said second unit comprising opposing door columns permanently attached to a front panel, said first and second units being reversibly attached via a snap-fit connection between said door columns and said door frame such that said door frame is disposed between said inner glass panel and said front panel; a ventilation opening formed as a longitudinal cut-out in an upper portion of said inner glass panel and extending along a horizontal direction, said ventilation opening being defined as a gap between said inner glass panel and an upper frame part of said door frame; said ventilation opening being arranged in front of said suction opening in said closed state thereby defining a path of fluid communication between an interior of said door and said air channel, said inner glass panel and portions of said door frame contacting said inner glass panel all having substantially the same thermal-expansion coefficient. 
     
     
         19 . The cooking oven according to  claim 18 , said upper frame part comprising an appendix that forms an innermost part of an upper portion of said oven door, said appendix extending inward in said closed state to thereby inhibit air mixing between said suction hole and said exhaust opening. 
     
     
         20 . The cooking oven according to  claim 18 , further comprising an intermediate glass panel disposed within said door frame and between said front panel and said inner glass panel, said inner glass panel being borosilicate glass, said door frame being stainless steel.