According to various embodiments of the disclosure, a microwave oven may include: a main body including a cooking chamber and a front panel; a door to the main body including a door frame corresponding to the front panel; and a shielding device connected to the door to shield electromagnetic waves leaking from the cooking chamber. The shielding device may include: a choke unit extending from the door frame and including a plurality of portions constructed by being bent at least once; and a choke covering the choke unit. The choke cover may include a first portion constructed of a first material coupled to a portion of the choke unit; and a second portion connected integrally with the first portion and constructed of a second material different from the first material.

According to various embodiments of the disclosure, a microwave oven may include: a main body including a cooking chamber and a front panel; a door to the main body including a door frame corresponding to the front panel; and a shielding device connected to the door to shield electromagnetic waves leaking from the cooking chamber. The shielding device may include: a choke unit extending from the door frame and including a plurality of portions constructed by being bent at least once; and a choke covering the choke unit. The choke cover may include a first portion constructed of a first material coupled to a portion of the choke unit; and a second portion connected integrally with the first portion and constructed of a second material different from the first material.

A microwave shielding plate and a cooking device are disclosed. The microwave shielding plate includes one or more conductive layers, a conductor is provided in each of the conductive layers, and two ends of the conductor are provided with wiring points, so that a shielding section covering the conductive layers is formed when the conductor is coupled into a conductive loop.

A microwave oven includes a muffle that includes a plurality of walls and defines an internal cavity for housing food, a radiofrequency supplying assembly that is configured to generate and propagate radiofrequency waves into the internal cavity via an access opening provided on one of the plurality of walls of the muffle, and a mounting flange arranged on an outer side of the muffle in correspondence to the access opening and configured to establish a coupling with the waveguide of the radiofrequency supplying assembly. The radiofrequency supplying assembly includes a radiofrequency generator, and a waveguide coupled to the radiofrequency generator and configured to guide the radiofrequency waves from the radiofrequency generator to the internal cavity.

A microwave oven includes a muffle that includes a plurality of walls and defines an internal cavity for housing food, a radiofrequency supplying assembly that is configured to generate and propagate radiofrequency waves into the internal cavity via an access opening provided on one of the plurality of walls of the muffle, and a mounting flange arranged on an outer side of the muffle in correspondence to the access opening and configured to establish a coupling with the waveguide of the radiofrequency supplying assembly. The radiofrequency supplying assembly includes a radiofrequency generator, and a waveguide coupled to the radiofrequency generator and configured to guide the radiofrequency waves from the radiofrequency generator to the internal cavity.

A split-type microwave oven comprises a first housing assembly, a second housing assembly, a microwave source module, a microwave shielding and choking member, and a detection device that is used for detecting whether a wave leakage occurs in a microwave heating resonant cavity. The second housing assembly is detachably disposed on the first housing assembly. The first housing assembly is provided with a first microwave shielding member, the second housing assembly is provided with a second microwave shielding member, and the first microwave shielding member is suitable for defining, together with the second microwave shielding member, the microwave heating resonant cavity. The microwave source module is installed on one of the first housing assembly and the second housing assembly. The microwave shielding and choking member is located outside the microwave heating resonant cavity. The split-type microwave oven occupies a small space and is convenient to use.

A split-type microwave oven comprises a first housing assembly, a second housing assembly, a microwave source module, a microwave shielding and choking member, and a detection device that is used for detecting whether a wave leakage occurs in a microwave heating resonant cavity. The second housing assembly is detachably disposed on the first housing assembly. The first housing assembly is provided with a first microwave shielding member, the second housing assembly is provided with a second microwave shielding member, and the first microwave shielding member is suitable for defining, together with the second microwave shielding member, the microwave heating resonant cavity. The microwave source module is installed on one of the first housing assembly and the second housing assembly. The microwave shielding and choking member is located outside the microwave heating resonant cavity. The split-type microwave oven occupies a small space and is convenient to use.

A door assembly for a microwave reactor including a microwave waveguide to direct microwaves from an external microwave source to inside the microwave reactor, and having a waveguide interface for preventing backflow of a process gas into the waveguide; an inlet for entry of matter to be treated in the microwave reactor; a first seal at the periphery of the door assembly to sealably interface with a static front of the microwave reactor; a second seal inserted into a groove on an inside face of the door assembly to sealably interface with an opening of a microwave reactor drum, the groove having a width of about 12.9 inches (32.766 cm) divided by an integer, and the second seal configured to prevent solids and liquids from flowing outside of the reactor drum; and a ring choke to contact a choke arranged on the periphery of the opening of the reactor drum.

A door (100) for a microwave oven (200) is provided that includes: a door frame (102); a substantially transparent, glass or polymeric substrate (10) arranged within the frame (102) to define a viewing window (50); and an electrically conductive mesh (90) spanning the viewing window (50). Further, the mesh (90) comprises a plurality of carbon nanotubes and is embedded in the substrate (10) to shield the microwave radiation generated in the oven (200) from reaching an exterior of the door frame (102).

A door (100) for a microwave oven (200) is provided that includes: a door frame (102); a substantially transparent, glass or polymeric substrate (10) arranged within the frame (102) to define a viewing window (50); and an electrically conductive mesh (90) spanning the viewing window (50). Further, the mesh (90) comprises a plurality of carbon nanotubes and is embedded in the substrate (10) to shield the microwave radiation generated in the oven (200) from reaching an exterior of the door frame (102).