Exhausting and cooling system for cooking utensil

Abstract

An exhausting and cooling system for a cooking utensil, which exhausts gas or smoke generated during a cooking process and cools a lower portion of a grill. The exhausting and cooling system for the cooking utensil, which has a main body provided with a grill unit mounted on the upper surface thereof, includes an exhaust channel and an exhaust fan for inhaling air around the grill unit and exhausting the air downwardly; and a cooling channel and a cooling fan for blowing external air to the lower portion of the grill unit to cool the lower portion of the grill unit.

1 . An exhausting and cooling system for a cooking utensil having a main body provided with a grill unit mounted on the upper surface thereof, comprising: 
 an exhaust channel and an exhaust fan for inhaling air around the grill unit and exhausting the air downwardly; and    a cooling channel and a cooling fan for blowing external air to the lower portion of the grill unit to cool the lower portion of the grill unit.    
   
   
       2 . The exhausting and cooling system as set forth in  claim 1 , further comprising a driving motor for simultaneously driving the exhaust fan and the cooling fan.  
   
   
       3 . The exhausting and cooling system as set forth in  claim 2 , wherein the exhaust fan and the cooling fan are connected to a rotary shaft extended from the driving motor.  
   
   
       4 . The exhausting and cooling system as set forth in  claim 1 , wherein the exhaust channel comprises an exhaust duct extended from inlets formed through the upper surface of the main body adjacent to the grill unit to the lower portion of the main body, and containing the exhaust fan therein.  
   
   
       5 . The exhausting and cooling system as set forth in  claim 4 , wherein the cooling channel comprises: 
 a first cooling duct extended from an inlet formed through the lower surface of the main body to the lower portion of the grill unit, and containing the cooling fan therein;    a second cooling duct installed below the grill unit for cooling the lower portion of the grill unit, and communicating with an outlet of the first cooling duct; and    a third cooling duct extended downwardly from an outlet of the second cooling duct, and provided with an outlet connected to the exhaust duct below the exhaust fan.    
   
   
       6 . The exhausting and cooling system as set forth in  claim 5 , further comprising a driving motor for simultaneously driving the exhaust fan and the cooling fan.  
   
   
       7 . The exhausting and cooling system as set forth in  claim 6 , wherein the exhaust fan and the cooling fan are connected to a rotary shaft passing through the exhaust duct and the first cooling duct so that the exhaust fan and the cooling fan are simultaneously rotated, and the rotary shaft is rotated by the driving motor.  
   
   
       8 . The exhausting and cooling system as set forth in  claim 6 , wherein the exhaust fan and the cooling fan are multiblade centrifugal fans.  
   
   
       9 . The exhausting and cooling system as set forth in  claim 6 , wherein the exhaust fan and the cooling fan are axial fans.  
   
   
       10 . The exhausting and cooling system as set forth in  claim 4 , further comprising a filter installed in the exhaust duct above the exhaust fan for filtering out contaminants in air passing through the exhaust duct, 
 wherein the filter comprises a grease filter for removing oil components from the air, a fine dust collection filter for removing fine dust from the air, and a deodorization filter for deodorizing the air.    
   
   
       11 . The exhausting and cooling system as set forth in  claim 4 , further comprising a cooling heat exchanger installed in the exhaust channel for cooling and dehumidifying air exhausted through the exhaust channel.  
   
   
       12 . An exhausting and cooling system for a cooking utensil having a main body provided with a heating device for cooking mounted on the upper surface thereof, comprising: 
 an exhaust channel and an exhaust fan for inhaling air around the heating device and exhausting the air downwardly;    a filter installed in the exhaust channel above the exhaust fan for purifying the exhausted air; and    a cooling heat exchanger installed in the exhaust channel for cooling and dehumidifying the exhausted air.    
   
   
       13 . The exhausting and cooling system as set forth in  claim 12 , wherein the exhaust channel comprises an exhaust duct extended from inlets formed through the upper surface of the main body adjacent to the heating device to the lower portion of the main body, and containing the exhaust fan therein.  
   
   
       14 . The exhausting and cooling system as set forth in  claim 12 , wherein the filter comprises a grease filter for removing oil components from the air, a fine dust collection filter for removing fine dust from the air, and a deodorization filter for deodorizing the air.  
   
   
       15 . The exhausting and cooling system as set forth in  claim 12 , wherein a flow control valve for controlling the supply of cooling water to the cooling heat exchanger is installed in a pipe at an inlet of the cooling heat exchanger.  
   
   
       16 . A cooking utensil for performing a cooking process, the cooking utensil comprising: 
 a main body provided with a grill unit installed at one side of the upper surface of the main body;    a gas range having a plurality of burners installed at the other side of the upper surface of the main body;    an operating panel having a plurality of operating switches for controlling the operation of the cooking utensil installed on the main body;    inlets for sucking gas, smoke, and odors generated during the cooking process formed through the central part of the upper surface of the main body;    an exhausting device for exhausting air sucked into the inlets;    a cooling device for blowing external air to a lower portion of the grill unit to cool the lower portion of the grill unit installed in the main body.    
   
   
       17 . The cooking utensil of  claim 16 , wherein the grill unit comprises: 
 a case placed in the main body through an opening formed through an upper plate of the main body;    a plurality of electric heaters placed on the sides of the inside of the case; and    a grill mounted on an opened upper surface of the case.    
   
   
       18 . The cooking utensil of  claim 17 , wherein the grill unit further comprises a reflecting plate closing the lower portion of the case, 
 wherein the reflecting plate is bent in a mountain shape to reflect the heat radiated by the heaters upward.    
   
   
       19 . The cooking utensil of  claim 16 , wherein the exhausting device comprises: 
 an exhaust channel for guiding air formed through the upper surface of the main body to the lower portion of the main body; and    an exhaust fan installed in the exhaust channel.    
   
   
       20 . The cooking utensil of  claim 19 , wherein the exhaust channel comprises: 
 an exhaust duct extended from the inlets to an outlet formed through the lower surface of the main body,    wherein the exhaust duct comprises an upper exhaust duct extended from the inlets formed through the upper surface of the main body to an inlet of the exhaust fan and a lower exhaust duct connected to the upper exhaust duct and containing the exhaust fan in the upper portion of the inside thereof.    
   
   
       21 . The cooking utensil of  claim 20 , further comprising a filter installed in the upper exhaust duct above the exhaust fan.  
   
   
       22 . The cooking utensil of  claim 21 , wherein the filter comprises: 
 a grease filter;    a fine dust collection filter; and    a deodorization filter.    
   
   
       23 . The cooking utensil of  claim 19 , wherein the cooling device comprises: 
 a cooling channel for inhaling air from the lower portion of the main body to cool the lower portion of the grill unit; and    a cooling fan installed in the cooling channel.    
   
   
       24 . The cooking utensil of  claim 23 , wherein the cooling channel comprises: 
 a first cooling duct extended from an inlet formed through the lower surface of the main body to the lower portion of the grill unit;    a second cooling duct extended from the first cooling duct along the under part of the grill unit; and    a third cooling duct extended downwardly from the second cooling duct and provided with an outlet.    
   
   
       25 . The cooking utensil of  claim 24 , wherein the first cooling duct comprises: 
 a lower duct extended upwardly from the inlet formed through the lower surface of the main body to the inlet of the cooling fan; and    an upper duct connected to the lower duct,    wherein the upper duct extends to the second cooling duct and contains the cooling fan.    
   
   
       26 . The cooking utensil of  claim 24 , further comprising a driving motor installed at one side of the first cooling duct for driving the cooling fan and the exhaust fan, 
 wherein the cooling fan and the exhaust fan are connected to a rotary shaft extended from the driving motor.    
   
   
       27 . The cooking utensil of  claim 23 , wherein the cooling fan and the exhaust fan are multiblade centrifugal fans.  
   
   
       28 . The cooking utensil of  claim 23 , wherein the cooling fan and the exhaust fan are axial fans.  
   
   
       29 . The cooking utensil of  claim 26 , further comprising a cooling heat exchanger installed in the outlet of the exhaust channel.  
   
   
       30 . The cooking utensil of  claim 29 , further comprising: 
 a cooling water supply pipe connected to the cooling heat exchanger;    a cooling water discharge pipe connected to the cooling heat exchanger; and    a flow control valve installed in the cooling water supply pipe,    wherein the flow control valve is configured to open or close according to the operation of the driving motor.