Electromagnetic-wave leakage preventing door of microwave oven

Details Electromagnetic-wave leakage preventing door of microwave oven Electromagnetic-wave leakage preventing door of microwave oven

F - Mech Eng,Light,Heat,Weapons

24

C

F24C 15/02 (2006.01) F24C 7/02 (2006.01) H05B 6/76 (2006.01)

Patent

CA 2167863

A door for preventing leakage of electromagnetic wave of a microwave oven includes: a front panel forming a front surface of a door; a first contact surface expanded from the circumference of the front panel and recessed forward a cavity of the microwave oven so as to contact an entrance of the cavity; a door frame portion expanded from the circumference of the first contact surface and proceeding to the front surface of the door so as to form a frame of the door; a second contact surface expanded from the circumference of the door frame portion and recessed toward the cavity so as to contact a frame of the cavity entrance; a choke cavity formed between the door frame and the second contact surface; and a slit formed on the circumference of the door frame in a predetermined interval and expanded into the choke cavity in a predetermined length. Thus, leakage of the electromagnetic wave can be prevented due to the slit shape of a predetermined period. Also, various designs can be provided by making the door panel to be attached or detached to/from the door frame.

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