Automotive Heater Core

Abstract

This invention involves a type of automotive heater core, including upper tank ( 3 ), bottom tank ( 8 ), inlet pipe ( 1 ), outlet pipe ( 2 ), header ( 4 ), side plate ( 5 ), cooling fins ( 7 ) and tubes ( 6 ), said header ( 4 ) has clinching tabs ( 4.1 ) around the headers connecting to the upper tank ( 3 ) and to the bottom tank ( 8 ); said side plates ( 5 ) have two button protuberances ( 5.1 ) or retaining tabs at both ends of the side plates ( 5 ) where the cooling fins ( 7 ) end; said header ( 4 ) has clinching tabs ( 4.2 ) located at the center of the minor dimension of the headers ( 4 ) and the center of the ends of the side plates ( 5 ). This heater core has firm bonding between tank and header, header and side plate, and is free from the partial melting, burning and dropping of the cooling fins.

1 . A heater core comprising:
 an upper tank, a bottom tank, a inlet pipe, a outlet pipe, a header, a side plate, cooling fins and tubes, the inlet pipe and the outlet pipe are positioned on the left and right sides of the upper tank, the tubes are positioned below the upper tank, the header is placed between the upper tank and the tubes;   each header has clinching tabs around the border thereof connecting to the upper tank or to the bottom tank for holding the upper tank, bottom tank and headers together;   each side plate has two button protuberances or retaining tabs at both ends thereof where the ends of cooling fins are to keep the cooling fins from touching the header and to increase the friction between the cooling fins and side plates;   each header has clinching tabs located at the center of the minor side of the header and the center of the ends of the side plates for clamping the side plates.