초록 ▼

The present invention relates to a microwave oven including a cavity having a certain area for cooking comprising a flow path formed between a main body and the cavity so as to be connected from a side of the cavity to the upper surface of the cavity, a heater installed on the side of the flow path

The present invention relates to a microwave oven including a cavity having a certain area for cooking comprising a flow path formed between a main body and the cavity so as to be connected from a side of the cavity to the upper surface of the cavity, a heater installed on the side of the flow path corresponding to the outer upper surface of the cavity for emitting heat, a discharge hole installed on the upper surface of the cavity corresponding to the lower portion of the heater for discharging the heat of the heater into the cavity, an inlet installed on the lower portion of the side wall of the cavity for making the air inside of the cavity flow in the flow channel, and a circulating fan installed on a certain portion of the flow channel for circulating the air inside of the cavity flown through the inlet to the heater. Accordingly, the microwave oven of the present invention is capable of maximizing the heat exchange efficiency between the heater and air, increasing the heat efficiency, and heightening the cooking quality and cooking speed by improving the heat transmission structure of the heater providing the heat to the cavity.

대표청구항 ▼

The present invention relates to a microwave oven including a cavity having a certain area for cooking comprising a flow path formed between a main body and the cavity so as to be connected from a side of the cavity to the upper surface of the cavity, a heater installed on the side of the flow path

The present invention relates to a microwave oven including a cavity having a certain area for cooking comprising a flow path formed between a main body and the cavity so as to be connected from a side of the cavity to the upper surface of the cavity, a heater installed on the side of the flow path corresponding to the outer upper surface of the cavity for emitting heat, a discharge hole installed on the upper surface of the cavity corresponding to the lower portion of the heater for discharging the heat of the heater into the cavity, an inlet installed on the lower portion of the side wall of the cavity for making the air inside of the cavity flow in the flow channel, and a circulating fan installed on a certain portion of the flow channel for circulating the air inside of the cavity flown through the inlet to the heater. Accordingly, the microwave oven of the present invention is capable of maximizing the heat exchange efficiency between the heater and air, increasing the heat efficiency, and heightening the cooking quality and cooking speed by improving the heat transmission structure of the heater providing the heat to the cavity. said first and second cavities. 10. The baby bottle and baby wipes container with integral warmer of claim 8, wherein said heater includes a heating element heated by burning of a liquid fuel from a liquid fuel reservoir. 11. The baby bottle and baby wipes container with integral warmer of claim 10, wherein said liquid fuel reservoir is detachably attached to said housing. 12. The baby bottle and baby wipes container with integral warmer of claim 10, wherein said liquid fuel reservoir is attachable to said housing with a bayonet type attaching means. 13. The baby bottle and baby wipes container with integral warmer of claim 8, wherein said starting mechanism includes a piezoelectric starter. 14. The baby bottle and baby wipes container with integral warmer of claim 8, wherein said heater includes an electric resistive element located at least partially within said housing. 15. The baby bottle and baby wipes container with integral warmer of claim 14, wherein said electric resisitive element is powered by batteries. 16. The baby bottle and baby wipes container with integral warmer of claim 8, further comprising a nipple connected to said first cavity. 17. The baby bottle and baby wipes container with integral warmer of claim 8, wherein said first and second cavitites are pivotally connected by a hinge. : said first portion of said array of IC packages comprises one half of said array of IC packages and said second portion of said array of IC packages comprises another half of said array of IC packages; and said rotational indexing mechanism is further configured to rotate said tray bearing an array of IC packages 180 degrees to effect said positioning of said second portion of said array of IC packages in said mark field for laser marking. 8. A system for marking IC packages carried in trays, comprising: a transport actuator defining a horizontal path; a tray transport secured to said transport actuator and movable thereon along said horizontal path; a tray carrier carried by, and unsecured to, said tray transport for receiving trays of IC packages; an input shuttle assembly for providing trays of IC packages to said tray carrier; an output shuttle assembly for receiving trays of IC packages from said tray carrier; a laser marking station disposed adjacent a portion of said transport actuator between said input shuttle assembly and said output shuttle assembly; and a rotational lift mechanism disposed proximate said laser marking station configured to lift said tray carrier off said tray transport and to rotate said tray carrier. 9. The system of claim 8, wherein said rotational lift mechanism comprises: a vertical lift mechanism configured for extension and retraction in a vertical direction relative to said horizontal path of said transport actuator; a rotary actuator assembly secured to said vertical lift mechanism; and a tray manipulator secured to said rotary actuator assembly configured to engage said tray carrier. 10. The system of claim 9, wherein said vertical lift mechanism comprises: a horizontally movable drive wedge element having an inclined upper surface; a dual-action drive mechanism configured to horizontally move said drive wedge element; a dual-action stop mechanism configured and located to selectively limit travel of said drive wedge element; a vertically movable slave wedge element having an inclined lower surface of like angle of inclination to said inclined upper surface of said drive wedge element, said slave wedge element having said rotary actuator assembly secured thereto; and at least one linear bearing configured to horizontally constrain said slave wedge element and said rotary actuator assembly, permitting movement of said slave wedge element and said rotary actuator assembly substantially only in said vertical direction. 11. The system of claim 10, wherein said dual-action drive mechanism comprises a pneumatically actuated drive block to which said drive wedge element is mounted, said drive block being slidable on at least one guide shaft. 12. The system of claim 10, wherein said dual-action stop mechanism comprises a dual-action air cylinder adjacent said drive block and having a horizontally extendable and retractable shaft. 13. The system of claim 9, wherein said rotary actuator assembly comprises: an actuator support structure secured to said vertical lift mechanism and including two substantially parallel guide plates extending between a base plate, each of said parallel guide plates constrained and guided by a linear bearing to restrict said each guide plate to movement in said vertical direction; and a rotary actuator secured to said base plate and having an output shaft capable of at least 180 degrees of rotation. 14. The system of claim 13, wherein said rotary actuator is selected from a group consisting of electromagnetic actuators, piezoelectric actuators, and pneumatic actuators. 15. The system of claim 14, wherein said rotary actuator comprises a stepper motor configured for open-loop control. 16. The system of claim 13, wherein said rotary actuator includes a housing having a mounting flange. 17. The system of claim 16, wherein said rotary actuator includes a rotary position sensor associated with said housing. 18. The system of claim 9, wh