| 摘要 |
PURPOSE: A radiator of vehicle installed an electrical pre-heater for preventing a freezing is provided to normally starting by preventing a freezing and a congelation of cooling water with a convection current according to a pre-heating by inserting a plug in a power of house. CONSTITUTION: An insulating pipe(40) is installed to fix by inserting in a caliber of second hose(34) and a connecting port(64) and a heater(62) are protruded in a heating slot(42) of insulating pipe(40). A contacting piece(50) is penetrated in the second hose(34) and the insulating pipe(40). The contacting pipe(50) is flowed a current because the pipe is connected with the connecting port(64). To prevent a freezing and a congelation of cooling water when a vehicle is parked for a long time in winter or in the coldest season, a plug(74) of electric cord(70) is inserted in an outlet installed in a house. The current is flowed into a jack(72) through the plug(74) and the electric cord(70), and the heater(62) is generated a heat through the connecting port(64) therein by inserting the jack(72) in the contacting piece(50). The cooling water flowed into the second hose(34) is risen a temperature by the generating operation of heater(62) and the coolant risen the temperature is prevented the freezing and the congelation by a convection current.
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