Patent ID: 9226345
Filing Date: 2015-12-29
Classification: H05B

Abstract:
1. A wave choke system for an oven door of a microwave oven, comprising an elongated channel ( 10 ) provided for an outer portion of the oven door and an elongated cover sheet ( 12 ) covering partially the width of an open longitudinal side of said channel ( 10 ), wherein the cover sheet ( 12 ) includes a plurality of slots ( 14 ) extending perpendicular to the longitudinal axis of the cover sheet ( 12 ), each of the slots ( 14 ) includes an open end at a longitudinal edge of the cover sheet ( 12 ) and a closed end on the opposite side of said open end, each of the slots ( 14 ) includes a broadening ( 20 ) in a central portion of each of the slots ( 14 ), each of the slots ( 14 ) includes a first small portion ( 16 ) between the open end and the broadening ( 20 ), each of the slots ( 14 ) includes a second small portion ( 18 ) between the broadening ( 20 ) and the closed end, and the slots ( 14 ) are reciprocally intersected, so that the contours of the slots ( 14 ) and intermediate pieces ( 40 ) between the slots ( 14 ) are formed complementary to each other, wherein the first small portion ( 16 ) and the second small portion ( 18 ) of each of the slots ( 14 ) are collinear, wherein the width of the broadening ( 20 ) corresponds with the width of the intermediate piece ( 40 ) between the first small portions ( 16 ) and the second small portions ( 18 ) of two neighbouring slots ( 14 ).