A tabletop cooking assembly for preparing foods thereon comprises a cooking element having a cooking area and a vent disposed peripherally to one side of the cooking element defining an aperture for receiving smoke from the cooking element. The assembly includes a first exhaust duct, a filter assemb
A tabletop cooking assembly for preparing foods thereon comprises a cooking element having a cooking area and a vent disposed peripherally to one side of the cooking element defining an aperture for receiving smoke from the cooking element. The assembly includes a first exhaust duct, a filter assembly, an electrostatic precipitator, and a high velocity blower. The first exhaust duct is substantially unobstructed and in fluid communication with the vent for directing smoke away from the cooking element. The high velocity blower is in fluid communication with the first exhaust duct and the filter assembly for drawing smoke from the cooking element through the vent. The heating system includes a retaining plate, a plurality of heating strips, and an insulating material. The heating strips are disposed between the retaining plate and the heating surface to heat the cooking area for preparing foods thereon.
대표청구항▼
1. A method for removing grease particles from smoke generated by preparing foods directly on a tabletop cooking assembly, said method comprising: disposing a cooking element on a table frame;disposing a vent along a side of the cooking element for receiving smoke generated during the preparation of
1. A method for removing grease particles from smoke generated by preparing foods directly on a tabletop cooking assembly, said method comprising: disposing a cooking element on a table frame;disposing a vent along a side of the cooking element for receiving smoke generated during the preparation of food on the cooking element;disposing a vent hood adjacent to the vent, the vent hood extending above the cooking element;disposing a first exhaust duct having an inlet and an outlet and in fluid communication with the vent, the first exhaust duct being not diverted, blocked, or restricted by other structures;disposing a filter assembly comprising a filter in fluid communication with and connected to the outlet of the first exhaust duct;disposing an electrostatic precipitator in fluid communication with the filter assembly; anddisposing a blower in fluid communication with and directly connected to the electrostatic precipitator, the blower being configured to operate at a speed of at least 1,250 feet per minute to draw smoke from the cooking element through the vent at a velocity of at least 750 feet per minute such that the tabletop cooking assembly is configured to produce exhaust having less than 10 ppm grease particles therein. 2. The method as set forth in claim 1 wherein the blower, the electrostatic precipitator, the filter assembly, the first exhaust duct, the vent hood, the vent, and the cooking element are disposed such that the tabletop cooking assembly is configured to produce exhaust having a temperature of no more than 10 degrees above room temperature where said tabletop cooking assembly is operating. 3. The method as set forth in claim 1 wherein disposing the blower in fluid communication with the electrostatic precipitator comprises disposing a blower having a discharge efficiency of at least 50% of the blower capacity in fluid communication with the electrostatic precipitator. 4. The method as set forth in claim 3 wherein the blower, the electrostatic precipitator, the filter assembly, the first exhaust duct, the vent hood, the vent, and the cooking element are disposed such that the tabletop cooking assembly is configured to produce exhaust having a temperature of no more than 7 degrees above room temperature where said tabletop cooking assembly is operating. 5. The method as set forth in claim 4 wherein the blower, the electrostatic precipitator, the filter assembly, the first exhaust duct, the vent hood, the vent, and the cooking element are disposed such that the tabletop cooking assembly is configured to produce exhaust having less than 5 ppm grease particles therein. 6. The method as set forth in claim 1 further comprising disposing a pressure monitor in fluid communication with one or more of the exhaust duct and the filter assembly to deactivate the tabletop cooking assembly in response to detecting a loss of at least 25% of airflow. 7. The method as set forth in claim 6 wherein disposing the pressure monitor in fluid communication with one or more of the exhaust duct and the filter assembly comprises disposing a pressure monitor that is further configured to reactivate-the tabletop cooking assembly in response to airflow being reestablished. 8. The method as set forth in claim 1 further comprising disposing a muffler monitor in the tabletop cooking assembly that monitors for a presence of a muffler and deactivates the tabletop cooking assembly in response to the muffler not being present. 9. The method as set forth in claim 1 further comprising disposing a pre-filter monitor in the tabletop cooking assembly that monitors for a presence of a pre-filter and deactivates the tabletop cooking assembly in response to the pre-filter not being present. 10. The method as set forth in claim 1 further comprising disposing a media filter monitor in the tabletop cooking assembly that monitors for a presence of a media filter and deactivates the tabletop cooking assembly in response to the media filter not being present. 11. The method as set forth in claim 1 wherein the blower in fluid communication with the electrostatic precipitator comprises a blower having a discharge efficiency of at least 75% of a blower capacity in fluid communication with the electrostatic precipitator. 12. The method as set forth in claim 1 wherein the blower, the electrostatic precipitator, the filter assembly, the first exhaust duct, the vent hood, the vent, and the cooking element are disposed such that the tabletop cooking assembly is configured to produce exhaust having less than 5 ppm grease particles therein. 13. The method as set forth in claim 1 wherein the blower, the electrostatic precipitator, the filter assembly, the first exhaust duct, the vent hood, the vent, and the cooking element are disposed such that the tabletop cooking assembly is configured to produce exhaust having less than 1 ppm grease particles therein. 14. A method for removing grease particles from smoke generated by preparing foods directly on a tabletop cooking assembly, the tabletop cooking assembly comprising: a cooking element disposed on a table frame,a vent disposed along a side of the cooking element for receiving smoke generated during the preparation of food on the cooking element,a vent hood disposed adjacent to the vent and extending above the cooking element,a first exhaust duct having an inlet and an outlet and disposed in fluid communication with the vent,a filter assembly comprising a filter disposed in fluid communication with and connected to the outlet of the first exhaust duct,an electrostatic precipitator disposed in fluid communication with the filter assembly, anda high velocity blower disposed in fluid communication with and directly connected to the electrostatic precipitator, and the method further comprising: operating the high velocity blower at a speed of at least 1,250 feet per minute to draw smoke from the cooking element through the vent at a velocity of at least 750 feet per minute such that said high velocity blower has a discharge efficiency of at least 50% of a blower capacity; andexhausting exhaust from the tabletop cooking assembly having less than 5 ppm grease particles therein and having a temperature of no more than 7 degrees above room temperature where said tabletop cooking assembly is operating. 15. A method for removing grease particles from smoke generated by preparing foods directly on a tabletop cooking assembly, the method comprising: disposing a cooking element on a frame of the cooking assembly, the frame having a plurality of exterior sides and defining an interior therebetween;disposing a vent along a side of the cooking element for receiving smoke generated during the preparation of food on the cooking element;disposing a vent hood adjacent to the vent, the vent hood extending above the cooking element;disposing a first exhaust duct in fluid communication with the vent and within an interior of the cooking assembly, the first exhaust duct having an inlet connected to the vent and an outlet connected to a filter assembly comprising a filter disposed in fluid communication with the first exhaust duct;disposing a housing in fluid communication with the first exhaust duct and filter assembly and within the interior of the frame, the housing having an inlet connected to the filter assembly and an outlet for exhausting air therefrom, the housing comprising an interior, and a particulate remover and a blower disposed within the interior of the housing such that the housing surrounding the particulate remover and the blower is unitary. 16. The method of claim 15, wherein the particulate remover comprises an electrostatic precipitator. 17. The method of claim 16, further comprising one or more particulate filters within the interior of the housing. 18. The method of claim 16, further comprising a grease filter disposed fluidly between the first exhaust duct and the housing. 19. The method of claim 17, further comprising disposing a muffler in fluid communication with the housing. 20. The method of claim 1, further comprising disposing a control panel on a side of the tabletop cooking assembly proximate to the vent and at a location laterally offset from the vent and the first exhaust duct.
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이 특허에 인용된 특허 (78)
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Ward John M. ; Kolecki Gregory, Overhead ventilation system incorporating a fixed blade diffuser with opposed pivoting blades for use with a cooking appliance.
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